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TOP Professional SEO Services in United States

List of TOP 767 SEO Companies in United States. Discover the most skilled marketing agencies from our community to outsource your marketing to.

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Ambrose Marketing
Ambrose Marketing

A strategy-driven creative marketing agency.

6 reviews
5

Ambrose Marketing is a woman-owned creative agency blending timeless design with modern strategy. We build intentional, high-converting brands that grow with purpose—and leave a lasting impression.

  • New York, New York, United States +2

  • SEO, Backlink Management +61

  • Home Services, Insurance +29

  • Starting from $1,000

Sixth City Marketing
Sixth City Marketing

ROI-Focused Services That Work

17 reviews
5

Our ROI-focused digital marketing agency can help your business increase sales through customized SEO, PPC, and web design.

  • Cleveland, Ohio, United States

  • SEO, Shopify SEO +6

  • Home Services, Legal Services +1

  • Starting from $2,500

Sagapixel
Sagapixel

Proven Healthcare Digital Marketing for Growth

14 reviews
5

Sagapixel is a healthcare digital marketing company that works with companies ranging from local healthcare providers, to VC-backed healthcare tech companies, to household names in healthcare.

  • Philadelphia, Pennsylvania, United States +1

  • SEO, Backlink Management +19

  • Healthcare & Hospital, Dental +1

  • Starting from $1,000

AddWeb Solution
AddWeb Solution

Boost Conversion Rate, Organic Traffic and Sales

6 reviews
5

AddWeb Solution is a leading digital marketing and web development agency known for its innovative solutions and client-centric approach.

  • Greenville, South Carolina, United States

  • SEO, Technical SEO +7

  • Ecommerce, Health & Wellness +1

  • Any

Mettano
Mettano

From Local to Legendary - We Put You On The Map.

Proven track record
4 reviews
5

At Mettano, we drive results through expert local SEO for home service businesses. We'll get you ranked higher, get more local leads, and organically boost revenue with tailored strategies that deliver real, lasting growth.

  • New York, New York, United States

  • SEO, Backlink Management +21

  • Home Services, Healthcare & Hospital +3

  • $0 - $2,500

cyberlicious®
cyberlicious®

Digital Candy for Sweet Results®

14 reviews
5

Ready to turn clicks into candy-coated conversions? Our certified SEO experts craft sweet, data-driven strategies that boost visibility. From a variety of SEO services, we sprinkle innovation into every campaign. Let’s satisfy your SEO cravings!

  • St. Petersburg, Florida, United States

  • SEO, SEO Consulting +6

  • Ecommerce, Legal Services +1

  • Starting from $1,000

Challenge

This luxury medspa came to us with inconsistent branding, low-performing email campaigns, and stagnant growth. Despite offering high-end services, they lacked a digital presence to match. Their website didn’t convert, social media was inactive, and revenue had plateaued — they needed a complete strategic overhaul to elevate their local and digital presence.

Solution

Rebuilt and redesigned their website with premium branding and SEO Created a high-converting monthly email marketing strategy Focused on hyper-local SEO to dominate within their region Developed consistent, on-brand content for social media Rolled out quarterly campaigns and monthly promotions Crafted landing pages and offers tailored to key service lines

Result

Email marketing became the #1 revenue driver, bringing in $40K+ monthly Black Friday campaign generated a record-breaking $150K in one month Year-over-year gross profit increased from $400K → $950K Grew engagement, bookings, and returning client rate through content + email Elevated brand perception to align with their luxury positioning Transformed from inconsistent marketing to a fully optimized, high-converting machine

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Acute SEO & Web Design
Acute SEO & Web Design

We Get Results Online to Improve Your Bottomline!

36 reviews
5

It is very rewarding for us to be a part of the long-term growth of our clients. That is why our Acute SEO team works so hard to get results. Furthermore, we offer MONTH-TO-MONTH CONTRACTS because we believe our work should speak for itself.

  • Reno, Nevada, United States

  • SEO, Technical SEO +7

  • Legal Services, Dental +1

  • $5,000 - 10,000

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Digital Commerce Partners
Digital Commerce Partners

"DCP – the only agency we're keeping." - Semrush

Proven track record
10 reviews
5

From the pioneers at Copyblogger, we excel in SEO and content marketing that drives traffic and growth. We don't just sell it – we're built on it.

  • Boulder, Colorado, United States +1

  • SEO, Backlink Management +19

  • Ecommerce, Consumer Goods +3

  • Starting from $10,000

Webfor
Webfor

Your Trusted Strategic SEO Partner!

Proven track record
33 reviews
5

Webfor is your trusted strategic SEO partner! When you have marketing and growth objectives, you need experts with a reputation for delivering results. Our team of SEO, web design and digital marketing experts partner with you to ensure your success.

  • Portland, Oregon, United States +1

  • SEO, Backlink Management +20

  • Home Services, Healthcare & Hospital +3

  • Starting from $1,000

The Real Estate Marketing Group (TREMGroup)
The Real Estate Marketing Group (TREMGroup)

Increase Your Sales,Grow Your Real Estate Business

28 reviews
5

We are a luxury digital marketing agency exclusive to the real estate industry. We combine the power of innovative technology, proven marketing strategies, and experts working alongside you to help you grow your real estate business faster.

  • Miami, Florida, United States

  • SEO, SEO Consulting +23

  • Real Estate, B2B Services

  • $1,000 - 2,500

Web Market Pros
Web Market Pros

Organic, PPC & Local SEO for Online Businesses

15 reviews
5

SEO Services for B2B, Ecommerce, SAAS products, Local Service Businesses, Cannabis Dispensaries, CBD stores and more

  • Los Angeles, California, United States

  • SEO, Backlink Management +6

  • Ecommerce, Architecture +1

  • Starting from $1,000

Mimvi | #1 SEO Agency NYC - Dominate The Search ✅
Mimvi | #1 SEO Agency NYC - Dominate The Search ✅

Dominate The Search - #1 SEO Agency

Proven track record
73 reviews
5

New York’s and Long Island Leading SEO Agency. Partner with Mimvi, the New York SEO company that increases your leads, traffic, and sales online.

  • New York, New York, United States +1

  • SEO, Backlink Management +25

  • Home Services, Legal Services +3

  • $0 - $5,000

Challenge

The client, a longstanding wholesale brand in the Christmas/home goods space, struggled with DTC growth. Their Shopify store lacked conversions, their branding felt outdated, and their social presence was stagnant. After disappointing results with a previous agency, they needed a cohesive strategy to modernize, grow their online sales, and engage a new audience.

Solution

Rebuilt Shopify site with elevated branding and UX Shot new brand photos/videos to match a luxury tone Rewrote all website copy with an SEO-first approach Implemented Klaviyo for email flows, lead gen & list building Developed a TikTok + Instagram strategy with trend integration Provided monthly content calendars & trend pivots Ran paid ads to amplify top-performing content and products

Result

Launched revamped Shopify site in just 3 weeks, timed with spring floral best-sellers One viral TikTok (450k+ views) drove major traffic + email sign-ups Hit $10K in first-month sales — 2x their previous monthly average Saw consistent MoM growth; Q4 brought $50K+ in November and December sales Built a strong organic + paid presence with evergreen and seasonal content Significantly increased list size, CTRs, and returning customer rate through Klaviyo

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PIXAI DIGITAL
PIXAI DIGITAL

Launch. Boost. Grow.

5

In a connected world, your customers are closer than ever. Let's boost your business growth together.

  • Chicago, Illinois, United States

  • SEO, Search Engine Marketing +18

  • Ecommerce, IT +3

  • Any

57 Clicks
57 Clicks

Fueling Your Growth, One Click at a Time!

15 reviews
5

57 Clicks is Central Florida’s digital marketing powerhouse. From SEO to social media, Google Ads, and website optimization, we create bold strategies that drive clicks, boost traffic, and grow businesses.

  • Kissimmee, Florida, United States +2

  • SEO, Backlink Management +23

  • Home Services, Legal Services +3

  • Starting from $1,000

Rock Salt Marketing Cooperative
Rock Salt Marketing Cooperative

Helping Businesses Reach Peak Performance Online

4 reviews
5

Rock Salt Marketing specializes in SEO, paid search, and web design. We have extensive experience helping everyone from Fortune 500 franchises to mom & pop shops reach peak performance online. Our top priorities are results, transparency, & honesty.

  • Salt Lake City, Utah, United States +1

  • SEO, Backlink Management +32

  • Home Services, Healthcare & Hospital +22

  • Starting from $1,000

Eco York LLC
Eco York LLC

Developing Solutions that Save Time and Money

41 reviews
5

Eco York provides a Full-service Web development company offering innovative and affordable custom website and software solutions. Eco York provides Web Development, Social Media Marketing, Search Engine Optimization, Pay-per-click, and Software

  • York, Pennsylvania, United States

  • SEO, Backlink Management +53

  • Ecommerce, Health & Wellness +3

  • Any

Intrepid Digital
Intrepid Digital

Delivering Growth for the Largest Brands Online

6 reviews
5

Intrepid Digital provides strategic support of digital activity for tier-one organizations, private equity investments, and growth-oriented small and medium enterprises. We're a marketing strategy company engineered to deliver comprehensive services.

  • Los Angeles, California, United States

  • SEO, Backlink Management +47

  • Ecommerce, Health & Wellness +3

  • Starting from $2,500

POMOROI
POMOROI

Driving Success Through Experience & Innovation.

6 reviews
5

Expertly navigating the advertising sphere with over a decade's experience, we fuse innovation with client-centric approaches to fuel your business's success.

  • Dallas, Texas, United States

  • SEO, SEO Consulting +22

  • Insurance, Ecommerce +3

  • Starting from $5,000

Challenge

As a small, mission-driven business focused on non-toxic living, the client lacked a storefront, brand consistency, and a sales-driven platform. She had struggled with conveying her message clearly and wanted to launch a fully optimized Shopify store in time for the Black Friday season to drive real holiday momentum.

Solution

Launched a new Shopify site in under 3 weeks Designed Q4 holiday campaign + built Q1 planning roadmap Created email marketing flows and opt-in systems with Klaviyo Managed ad strategy for product launches & brand awareness Developed content and captions to clarify brand story and build trust

Result

Launched with a 4.3% conversion rate (above industry avg) Hit $5K in November sales (no discounts offered) Doubled that in December: $10K in monthly revenue Engagement and IG following grew by 220% in Q4 Cult-like following developed through authentic content and values Consistent daily orders for a lower-ticket product line

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Dominant Digital Agency LLC
Dominant Digital Agency LLC

Dominate local with our proven SEO framework

7 reviews
5

Your success is our mission. We prioritize client satisfaction, delivering SEO, Ads management, and website services with a focus on white-hat tactics, thorough research, and regular updates to achieve your business goals.

  • Denver, Colorado, United States

  • SEO, Technical SEO +7

  • Home Services, B2B Services +1

  • $1,000 - $10,000

Digital Drew SEM
Digital Drew SEM

Full Service Digital Marketing Solutions

Proven track record
61 reviews
5

Full-Service Marketing Agency offering SEM, SEO, Organic Social Media, Web Development, and Email Marketing. Get real results driven by data. Our goal is ROI.

  • New York, New York, United States

  • SEO, Backlink Management +19

  • Healthcare & Hospital, Ecommerce +3

  • $1,000 - 2,500

WebFX
WebFX

DIGITAL MARKETING THAT DRIVES REVENUE® 📊

Proven track record
6 reviews
5

Capture more revenue from the web with all-in-one digital marketing solutions, including SEO, PPC, and web design, from the industry-leading team and AI-powered platform that's generated $10+ billion in revenue for our clients.

  • New York, New York, United States +2

  • SEO, Backlink Management +50

  • Healthcare & Hospital, IT +3

  • Any

Complete SEO
Complete SEO

Austin's Leading SEO Company

43 reviews
5

Austin-based SEO agency focused on building lighting-fast sites that rank and drive new revenue and leads from the web.

  • Austin, Texas, United States +1

  • SEO, Backlink Management +27

  • Home Services, Legal Services +3

  • $1,000 - $5,000

Search Revolutions
Search Revolutions

Elevate Your Brand: Unleashing Digital Excellence

5

With 30+ years of experience, we excel at creating marketing campaigns for your business success. From boosting brand visibility to managing paid search, social media, SEO, and web development, Search Revolutions is dedicated to your success.

  • Dublin, Ohio, United States

  • SEO, SEO Consulting +23

  • Ecommerce, Manufacturing +3

  • Any

Editorial.Link
Editorial.Link

Link Building & PR Services Trusted By 500+ Brands

Proven track record
10 reviews
5

We Build Powerful Backlinks to Help Our Clients Grow! We are a relationship-based link building agency that builds editorial backlinks for top-notch search engine rankings.

  • St. Petersburg, Florida, United States +4

  • SEO, Backlink Management +4

  • Fintech, Ecommerce +7

  • Any

Challenge

The competition for marketing graduate programs in Ohio has intensified significantly in recent years, primarily due to heightened rivalry and the proliferation of degree options, particularly online, offered by other universities.

Solution

We executed a personalized strategy designed for their target audience by enhancing visibility on search engines through adding targeted keywords relevant to the audience and fine-tuning content on their site.

Result

- Overall leads increase by 135% - Organic leads increase by 38% - Paid leads increase by 148%

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WayPoint Marketing Communications
WayPoint Marketing Communications

We'll Show You the Way To Marketing Success

5

Waypoint Marketing Communications specializes in industrial manufacturing marketing solutions, delivering tailored strategies to elevate brands, generate leads and drive growth.

  • Detroit, Michigan, United States

  • SEO, Backlink Management +43

  • Manufacturing, B2B Services +2

  • Starting from $5,000

Muon Marketing
Muon Marketing

Get Found. Get Customers. Grow Local.

Proven track record
29 reviews
5

We are a digital marketing agency specializing in local SEO. We help businesses improve their online visibility and attract more customers in their local area. If you're looking to for local qualified leads, contact us today for a free consultation!

  • Dover, Ohio, United States

  • SEO, Backlink Management +39

  • Home Services, Real Estate +3

  • Any

DA Media
DA Media

Performance Based SEO Expert | Profit or Don't Pay

5

Performance driven SEO expert. Over 7 years of SEO experience helping over 30 business growth their rankings, organic traffic, and conversions.

  • Silver Spring, Maryland, United States

  • SEO, SEO Consulting +5

  • Real Estate, B2B Services +1

  • $1,000 - 2,500

Binary Anvil
Binary Anvil

Awarding Winning E-commerce Solutions

1 review
5

Binary Anvil specializes in crafting innovative, scalable Adobe Commerce, BigCommerce, and Shopware solutions. We empower businesses to elevate their eCommerce experience through tailored strategies and exceptional performance.

  • North Bend, Washington, United States

  • SEO, Shopify SEO +7

  • Ecommerce, Manufacturing +1

  • Starting from $10,000

Estes Media
Estes Media

The marketing team as a service agency

Proven track record
37 reviews
5

Estes Media is the done-for-you growth marketing team as a service agency helping brands with GTM, Branding, Websites and growth marketing. We powe up brands in the Construction and SaaS sectors to get more leads and grow

  • Jersey City, New Jersey, United States +2

  • SEO, Backlink Management +45

  • Home Services, Ecommerce +3

  • Starting from $5,000

SmartSites 💡 Award Winning Marketing Agency
SmartSites 💡 Award Winning Marketing Agency

Think Web. Think Smart.

737 reviews
5

SmartSites is an award winning web design & digital marketing agency, focused on SEO, PPC, Email, & Social Media Management. 1000+ 5-star reviews & ranked as 1 of USA’s fastest growing companies by INC5000, we are dedicated to growing your business!

  • Paramus, New Jersey, United States

  • SEO, Backlink Management +50

  • Home Services, Insurance +29

  • Any

Challenge

TYKMA Electrox, a longtime investor in SEO services, knew this was a key channel that drove their inbound leads. They wanted to redesign their website but were very concerned about losing traffic upon launching the new site.

Solution

We implemented SEO strategies as we redesigned their website in WordPress with a focus on a clean design for conversion, while also improving data reporting via conversion tracking in Google Analytics.

Result

- Monthly leads improved by 314% - Organic traffic improved by 540% - Overall traffic improved by 402%

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Trayl Marketing
Trayl Marketing

Marketing strategy that's easy to follow.

5

Most businesses wander through digital marketing without a clear path. At Trayl Marketing, we map out simple to follow marketing plans that convert leads into customers and drive real growth.

  • Colorado Springs, Colorado, United States

  • SEO, Mobile SEO +22

  • Ecommerce, Logistics +3

  • Starting from $5,000

HeartBeep Marketing NH | #1 SEO in New England
HeartBeep Marketing NH | #1 SEO in New England

Get a FREE No Obligation SEO Audit

24 reviews
5

It’s crucial to have a trusted marketing agency partner like HeartBeep Marketing NH that specializes in website development, SEO, social media marketing & paid advertising. We are experts at what we do so you can do, what you do best. Let's go!

  • Boston, Massachusetts, United States +4

  • SEO, Backlink Management +61

  • Home Services, Insurance +29

  • Starting from $1,000

NextLeft
NextLeft

🌟 Transformative SEO & Content Marketing

5

At NextLeft, we don't just promise results – we deliver them. As a B-Corp, our commitment goes beyond business; it's about making a positive impact. Our tailored SEO and marketing strategies transform brands, driving unparalleled growth and ROI.

  • San Diego, California, United States

  • SEO, Backlink Management +61

  • Home Services, Insurance +29

  • Any

Bulldog Digital Media
Bulldog Digital Media

Search marketing solutions that get you found

Proven track record
12 reviews
5

Bulldog Digital Media is a UK based SEO agency specialising in content, link building and digital PR. Founded in 2013 by Gareth Bull, the agency has grown to serve a diverse clientele, including local startups and global brands.

  • New York, New York, United States +2

  • SEO, Backlink Management +14

  • Ecommerce, Food & Beverages +3

  • Any

Anchour
Anchour

Helping the good ones win.

11 reviews
5

Anchour is a digital-first branding agency focused on strategy, design, and growth. We build unforgettable brands and websites that deliver real business results, combining strategic thinking, creativity, and hard work to help brands thrive.

  • Lewiston, Maine, United States

  • SEO, Shopify SEO +23

  • Home Services, Fintech +3

  • Starting from $10,000

3 Horizons Interactive (3Hi)
3 Horizons Interactive (3Hi)

Helping brands increase their digital presence

5

We transform businesses through integrated digital solutions that deliver measurable results. With 15+ years of expertise across multiple digital channels, our intelligent optimization approach drives growth in competitive markets.

  • Los Angeles, California, United States

  • SEO, Backlink Management +56

  • Home Services, Insurance +27

  • Starting from $1,000

Fuel Online
Fuel Online

Under Promise Over Deliver

17 reviews
5

Fuel Online is a Veteran Digital Agency started in 1998. Full Service Digital Marketing for mid sized to Fortune 500 Companies. Offering SEO, Enterprise SEO, PPC, SEM, SMM, Paid Social and more

  • Charleston, South Carolina, United States +2

  • SEO, Backlink Management +38

  • Home Services, Insurance +29

  • Starting from $2,500

BlueHat Marketing
BlueHat Marketing

Ranked #1 SEO company in Canada & USA for 18 years

44 reviews
5

20+ Years of Industry Experience As a results-oriented SEO and digital marketing agency, our goal has always been to deliver high-quality, quantifiable results to our clients, no matter their size or industry.

  • New York, New York, United States +2

  • SEO, Backlink Management +51

  • Ecommerce, Legal Services +3

  • Any

World Synergy
World Synergy

Taking Your Business from Thought to Thrive

13 reviews
5

We help growth-minded businesses achieve scale, longevity, & profitability with a collaborative approach towards marketing, applications, & technology. Our integrated business model helps drive company alignment, reducing business friction & costs.

  • Cleveland, Ohio, United States +1

  • SEO, Backlink Management +56

  • Insurance, Healthcare & Hospital +12

  • Starting from $1,000

Straight North
Straight North

Hire Your Last Agency

75 reviews
5

Straight North is an industry-leading digital marketing agency providing targeted solutions designed to help your business attract the right customers, drive sales, increase e-commerce revenue, and generate sales leads.

  • New York, New York, United States +4

  • SEO, Shopify SEO +20

  • Fintech, Logistics +3

  • $2,500 - 5,000

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Popular Services for SEO firms in United States
Popular Business Size for SEO firms in United States

SEO agencies in the United States

SEO has transformed remarkably—it has evolved from primarily a technical task handled by search engine optimization agencies to a strategic approach around quality content and user experience.

Only SEO firms that prioritize user-centric strategies and human-first content will thrive in today’s highly competitive, AI-driven market.

If you’re searching for the best search engine optimization agency to establish authority in your industry and build trust with your audience (the new performance indicators), you’re in the right place.

Our curated list features the best SEO firms with time-tested portfolios for business success. We carefully analyzed a variety of top-rated companies based on their client reviews, overall reputation, pricing, specialty, and more.

Follow our proven steps to shortlist the best SEO agencies, or use our advanced “Get Matched” feature to find the most suitable SEO company for you.

What is SEO?

A lot has changed in approaches to SEO, but it can still be defined as the practices, actions, and strategies used to improve a website’s visibility on search engine results pages (SERPs).

In the past, many SEO firms focused solely on ranking higher, often using black-hat techniques to trick algorithms. However, advanced algorithms have rendered these tactics ineffective. Modern search engines prioritize helpful, high-quality content.

While some believe SEO is less relevant in the age of AI, over 90% of online experiences still start with a search engine. That’s a massive audience, and capturing even a small portion of that can significantly impact a business.

Today’s search engines are highly sophisticated, going beyond keywords to interpret human intents. With AI, they can even understand implicit preferences—such as specific cravings—and recommend the best options based on location. It’s a lot for a business to manage, but this is where search engine optimization agencies can really make a difference.

What Do US-Based SEO Firms Do?

Good SEO service companies optimize your site to meet search engine guidelines, creating a strong connection between your brand and your ideal customer.

Their goal is to ensure that when someone searches for the solutions you offer, your website isn't just visible—it’s irresistible.

The success of SEO firms depends on delivering the most relevant, helpful, and user-friendly answers, often addressing unspoken queries or doubts.

Achieving this demands intuition, foresight, strategic planning, and experience-driven expertise—all of which are essential in today’s SEO landscape.

The process that good SEO firms follow can be divided into the following core tasks:

  • Audits:

    Regular SEO audits can measure milestones and progress by identifying weaknesses, strengths, and opportunities to improve and adapt to algorithm changes.
  • Keyword research:

    An SEO service company will identify and analyze phrases that potential customers use to find your products or services.
  • Competitor analysis:

    Competitor analysis makes you more likely to outperform your competitors in search rankings through benchmarking and identifying gaps.
  • Content marketing:

    Content marketing, which involves publishing relevant and valuable content, can offer a user experience that results in six times higher conversion rates than those that don't leverage it.
  • Off-page optimization:

    The best SEO agencies strive to establish your website's authority through external methods like backlink building (one of Google's top three ranking factors) and social media engagement.
  • On-page optimization:

    Semrush’s on-page optimization checklist enables individual web pages to rank higher by using strategies such as optimizing meta tags, headers, and content structure. This can increase organic traffic by allowing users to easily find you when they need you.
  • Technical SEO:

    A one-second delay in page load time can lead to a 7% reduction in conversions. Through technical SEO, search engine optimization agencies can ensure your pages meet such search engine requirements as site speed, mobile-friendliness, and secure connections.
  • Local SEO:

    46% of all Google searches are seeking local information, so there’s a huge opportunity to optimize your online presence to attract more business from relevant local searches.
  • Reporting and analysis:

    The best SEO service companies will provide regular reports on SEO performance, including traffic metrics, keyword rankings, and ROI, to inform strategy adjustments. Utilizing analytics makes it 5 times more likely you will make better decisions.
  • Mobile SEO:

    Responsive, mobile-first designs that ensure a seamless experience across all devices can help you attract over 83% of Google searches that are conducted on mobile devices.

Why Should I Hire a Search Engine Optimization Agency?

Securing a top position in search rankings is incredibly valuable, with the #1 result on Google capturing about 39.8% of all clicks.

Modern search engine optimization agencies leverage pivotal trends that once seemed impossible.

For example, SEO firms can integrate AI into your marketing efforts to optimize your site for AI-driven search experiences like Google’s Search Generative Experience (SGE).

A more nuanced SEO strategy is essential in this landscape, and professional expertise can make all the difference.

Moreover, a professional SEO agency will bring the following to the table:

  • Expertise and experience:

    The best companies for SEO offer specialized knowledge and stay up-to-date with the latest algorithm changes and industry trends.
  • Time and resource efficiency:

    Outsourcing SEO allows you to focus on core business activities while the experts handle optimization.
  • Measurable ROI:

    Choosing the best SEO agency can let you implement strategies that bring higher conversion rates and increased revenue, which you can track and measure.
  • Access to advanced tools:

    Sophisticated SEO tools and technologies can often be cost-prohibitive for individual businesses. Hiring an SEO agency gives you access to those tools at a fraction of the cost.

How Do I Choose an SEO Agency For My Business?

When hiring an SEO agency, ensure that it prioritizes E-E-A-T (Experience, Expertise, Authoritativeness, and Trustworthiness).

Google's latest guidelines clarify that while AI-enhanced content isn’t penalized, it must embody these attributes.

There’s a strong shift toward a new standard of user-centric content, with valuable, comprehensive, human-first material for meeting user intent and boosting engagement.

A well-executed strategy from SEO firms remains essential for sustainable growth.

That’s why selecting the best company for SEO has to be a well-thought-out decision. Follow these steps:

  • Check Semrush’s ranking:

    Semrush rankings are based on client reviews, service offerings, and overall performance. We take into account the agency’s portfolio and prior success stories. Our insights match you with the best-fit, top-performing marketing and SEO agencies.
  • Check Google Reviews:

    Google Reviews is a reliable, unbiased, and publicly-vetted place to gauge client satisfaction and reliability. Positive reviews and high ratings are indicators of trustworthiness and quality of service.
  • Consider location:

    A local agency allows for face-to-face interactions, while a remote agency can often meet your needs in ways that local SEO companies can’t.
  • Review the agency's website:

    Is your search engine optimization agency doing its own SEO? Is their website professional and responsive? Does it demonstrate evidence of expertise? The best companies for SEO should have a well-designed website, demonstrating their own commitment to quality and attention to detail.
  • Read client testimonials and review case studies:

    Past successes, particularly with similar businesses, can indicate legitimacy. In the same way, case studies that show proven improvements in search rankings or traffic can be very instructive.
  • Evaluate success stories:

    To find the best company for SEO, study their clients’ accounts of how the agency delivered better results for them. Authentic and well-presented success stories should demonstrate their problem-solving abilities and strategic approaches.
  • Submit a Request for Proposal (RFP):

    When you reach out to search engine optimization agencies with specific project requirements, they should send you a tailored proposal. This will show how well the SEO firms understand and will address your needs in their proposed solutions.
  • Use matching services:

    If the selection process seems overwhelming, consider using services that match businesses with the best company for SEO. Semrush offers curated lists and matching tools to simplify your search with a single click.

What Red Flags to Watch Out for When Hiring An SEO Service Company?

Choosing the wrong SEO service company for your needs can put you back several months or even years. Potential risks, poor service, or unethical practices can ultimately lead to penalties, so be mindful of the following warning signs when selecting an SEO agency:

  • Not offering SEO audits

    A professional SEO agency audit will assess your current online presence, website structure, content, and technical aspects that affect search engine rankings. If an SEO service company skips this step, they are probably not committed to personalization.
  • Guaranteeing results

    Agencies that guarantee first-page rankings or specific outcomes can be a red flag. While a reputable SEO service company can provide strategies to improve rankings, it cannot promise specific positions, as search engine algorithms are constantly evolving.
  • Lack of transparency

    SEO agencies that are unwilling to share their methods or provide clear explanations about their strategies should raise suspicion. The best companies for SEO will communicate openly about the strategies they are using, the tools they employ, and the progress they have made.
  • Black-hat tactics

    Black-hat SEO has long been considered a big no-no—keyword stuffing, cloaking, or using private link networks are bound to fail. Always choose an SEO service company that adheres to white-hat, ethical SEO practices.
  • Outdated or low-quality content

    If an agency offers low-quality, outdated content, or focuses on quantity over quality, it could negatively impact your site's ranking. A good SEO firm will align with current SEO best practices.
  • Lack of case studies or testimonials

    Without solid case studies or testimonials, you cannot be sure that the agency can deliver results as impressive as they claim. Find a company with proven success in your industry.
  • Overemphasis on link building

    Focusing too much on link-building can backfire. The best companies for SEO will balance link building with other tactics for a holistic SEO strategy.
  • No clear reporting or analytics

    The best SEO agencies will offer detailed reports and analytics, including such metrics as organic traffic, keyword rankings, conversion rates, and other KPIs. Lack of reporting or overly vague reports are signs that the agency may not be delivering measurable results.

What Are the Key Success Metrics for the Best SEO Companies?

Any good SEO service company must track

  • Organic traffic

    Their key focus should be driving more organic traffic. Higher organic, quality traffic means more relevant visitors are discovering your business through unpaid search results.
  • Keyword rankings

    The best SEO agencies will aim to improve rankings for high-volume, relevant keywords that attract qualified leads to your website.
  • Click-Through Rate (CTR)

    The quality of your snippets, titles, and tags determines your CTR, which measures the percentage of people who click on your website’s link after seeing it in search results.
  • Referring domains

    The more high-quality referring domains you have, the more authoritative your website appears to search engines.
  • Pages per session

    Organic search visitors visit up to 3.5 pages per session. Google likes it when your users switch from one page to another on your site in a single session, and this is something your SEO service company should be measuring.
  • Average session duration

    A longer session duration suggests that users find your content valuable, which can lead to better rankings and a lower bounce rate.
  • Time on page

    If users spend a significant amount of time on your pages, it indicates that your content is relevant and engaging.
  • Bounce rate

    The top three domains have an average bounce rate of 49%. A high bounce rate may suggest that your landing pages aren’t optimized for what users expect.
  • Exit rate

    SEO firms should track and fix high exit rates. These suggest that your content isn’t compelling enough to keep users on the site.
  • Core Web Vitals

    Core Web Vitals are a set of metrics related to the user experience of a website that are used by the best SEO agencies. They include metrics such as loading performance and visual stability.
  • Indexed pages

    The best search engine optimization agencies will ensure that all important pages of your site are indexed properly for maximum visibility.
  • Organic traffic conversions

    It is no good to have 100,000 visitors if they don’t become your customers. That’s where a good SEO agency will distinguish performance instead of claiming numbers without an impact. Monitoring conversion rates will allow you to see whether increased traffic is translating into real business results.

What Questions Should I Ask the Best SEO Agencies Before Hiring One?

Relevant Background

  • Have you worked with businesses in our industry before?

    SEO firms’ familiarity with industry-specific challenges and opportunities can streamline results. Ask for examples and assess their understanding of niche market dynamics.
  • Can you provide case studies or examples from similar clients?

    Case studies that showcase measurable outcomes, such as improved rankings, traffic, or conversions, will demonstrate the agency’s expertise. Try to find specifics in their strategies and results.
  • Does your team hold SEO-related certifications or accreditations?

    Certifications like Google Analytics or HubSpot indicate that the best SEO agencies stay up-to-date on industry standards.
  • How do you define and measure success in SEO?

    What you can’t measure can’t be improved. Your best SEO agencies must focus on tracking success. Organic traffic growth, improved rankings, and ROI are some solid indicators.
  • What is your pricing model, and what are your payment terms?

    Transparent pricing helps avoid hidden costs. Understand whether their model is project-based, retainer-based, or hourly, and check if it falls within your budget.

Services and Processes

  • What specific SEO services do you offer, and do you provide complementary services such as PPC or performance marketing?

    You should investigate if your SEO service company is effective at offering related services. If not, you might find yourself having to hire another marketing company to deliver those services.
  • How do you approach keyword research and how will you create an SEO strategy tailored to our business?

    Keyword research seems simple with Semrush, but it has to have a clear goal, a strategy, some foresight, and intuition, which comes with experience.
  • What is your methodology for link building, and how do you ensure the quality of backlinks?

    Avoid SEO firms focusing solely on quantity. They should prioritize authoritative and relevant backlinks to avoid penalties.
  • How frequently will we receive reports, and what metrics or insights will they include?

    Expect regular reporting (monthly or bi-weekly) with clear insights into traffic, rankings, and campaign progress.
  • Which tools and platforms do you use for SEO, and can we access them if needed?

    Search engine optimization agencies that use industry-standard tools such as Semrush are more likely to provide accurate data. Transparency in tool usage is a must-have.
  • How do you keep up with search engine algorithm updates and industry trends?

    Continuous learning and adaptability can be stressful but are very important here for long-term success. Ensure that your shortlisted search engine optimization agencies are capable of proactive responses to algorithm changes.

Project-Specific Questions

  • How will you tailor your SEO strategies to align with our business goals?

    Generic, pre-made templates and packaged solutions might not be your best bet. Your objectives and target audience should be unique, and so should your approach.
  • Which SEO tactics do you believe will be most effective for our brand, and why?

    Listen for a mix of technical, content, and off-page strategies, backed by reasoning and past successes.
  • What is the expected timeline for seeing measurable results from your efforts?

    Genuine agencies set realistic expectations, typically 4–6 months, for noticeable progress.
  • Who will be managing our account, and what is their level of expertise?

    Talk to your project manager and ensure you are on the same page. Take note of how well you can communicate with them, and what experience they have when it comes to handling SEO accounts.
  • How will you keep us updated on progress, and which communication channels will you use?

    The best companies for SEO should offer clear communication channels and regular updates to ensure you stay informed and involved.
  • What role should we play to ensure the success of our SEO strategy?

    Collaboration is essential. The best companies for SEO should outline the type of input or resources they’ll need from you.

Choose Your Agency Now

The right SEO firm for you might have a higher price point than more affordable search engine optimization agencies, but it could still be worth the investment.

In fact, 49% of marketers believe organic search delivers the best ROI among all marketing channels.

If your SEO service company consistently generates measurable results, you’re in good hands.

Use this guide to take the next step in your company’s digital success, and explore the best digital marketing and SEO agencies in the United States listed on this page.