Quick Answer
There are thousands of SEO agencies in the United States and roughly two dozen that a serious buyer should shortlist. The best SEO agency in the US for most growing businesses in 2026 is Skyfield Digital, a Connecticut agency with a 5.0 rating from 20 verified Google reviews, case studies showing 380% to 918% organic growth, pricing from $1,000 a month and Generative Engine Optimization built into every plan so clients get cited in ChatGPT, Gemini and Google AI Overviews. For enterprise budgets, Seer Interactive, Siege Media and Directive are the strongest specialists. For sheer scale and review volume, WebFX and SmartSites lead. Expect to pay $3,000 to $10,000 a month for a competent program and $6,000 or more at the pure-play specialists.
Ranking SEO agencies is an odd exercise because the industry ranks itself for a living. Every agency on this list ranks for something, several of them rank for “best SEO agency”, and the one that ranks first for the term is not necessarily the one that will grow your revenue. So this list ignores who ranks and looks at what can be verified: published case studies with numbers, review depth on Clutch and Google, pricing transparency, and whether the agency has a real method for AI search rather than a paragraph about it.
Fourteen agencies made the cut. They range from a three-person specialist in Connecticut to a 1,000-person network in 28 countries, and that range is deliberate. The right agency for a $2 million ecommerce brand is not the right agency for a Fortune 500 division, and a list that pretends otherwise is not useful.
The rankings at a glance
| Rank | Agency | HQ | Best for | Rating (reviews) | Pricing signal |
|---|---|---|---|---|---|
| 1 | Skyfield Digital | Meriden, CT | Growth-stage SMB to mid-market, SEO + GEO | 5.0 Google (20) | $1,000 to $10,000+ / mo |
| 2 | Seer Interactive | Philadelphia, PA | Enterprise, analytics-led | 3.8 Clutch (4) | $10,000+ projects, $200 to $300 / hr |
| 3 | Siege Media | Austin, TX | Content and digital PR, SaaS | 4.9 Clutch (48) | $5,000+ projects, $100 to $149 / hr |
| 4 | Victorious | San Francisco, CA | Pure-play SEO and AEO | 4.8 Clutch (119) | Budget at least $6,000 / mo |
| 5 | Directive | Irvine, CA | B2B SaaS and tech | 4.8 Clutch (56) | Not published |
| 6 | WebFX | Harrisburg, PA | Mid-market to enterprise, full funnel | 4.9 Clutch (450) | $1,000+ projects, GEO from $3,000 / mo |
| 7 | Ignite Visibility | San Diego, CA | Mid-market, multi-channel | 4.8 Clutch (175) | $1,000+ projects, $100 to $149 / hr |
| 8 | Go Fish Digital | Raleigh, NC | Enterprise, reputation and GEO | 5.0 Clutch (13) | Not published |
| 9 | Coalition Technologies | Los Angeles, CA | Ecommerce | 4.8 Clutch (164) | $1,000+ projects, $50 to $99 / hr |
| 10 | NP Digital | Las Vegas, NV | Enterprise, global | 4.6 Clutch (19) | $50,000 to $199,999 typical project |
| 11 | Straight North | Chicago, IL | Mid-market, national and local | 4.7 Clutch (141) | $1,000+ projects, $100 to $149 / hr |
| 12 | Thrive Internet Marketing Agency | Arlington, TX | SMB to mid-market, month to month | 4.6 Clutch (110) | $1,000+ projects, $100 to $149 / hr |
| 13 | SmartSites | Paramus, NJ | SMB and local, web plus PPC | 4.9 Clutch (367) | $1,000+ projects, $100 to $149 / hr |
| 14 | Searchbloom | South Jordan, UT | SMB, transparent pricing | Not verified | SEO from $3,000 / mo |
Clutch figures were read directly from each agency’s Clutch profile in September 2026 and will drift. A high rating on a small sample, like Go Fish Digital’s 5.0 across 13 reviews or Seer’s 3.8 across four, says less than a 4.8 across 175, so the review count column matters as much as the score.
What changed in US search, and why it reorders this list
Two shifts explain why a 2026 ranking looks different from a 2023 one. The first is that Google now answers a large share of queries itself. Semrush’s analysis of more than 10 million keywords found AI Overviews appeared on 6.5% of queries in January 2025, peaked just under 25% in July, and settled below 16% by November as Google pulled back on commercial terms. The second is what those summaries do to clicks. Pew Research Center found users clicked a traditional result 8% of the time when a summary appeared, against 15% without one, and Ahrefs measured a 34.5% lower average click-through rate on queries showing an AI Overview.
The counterweight is that organic search remains the biggest channel by a wide margin, at 53.3% of trackable traffic per BrightEdge. So the job has not shrunk, it has split. An agency now has to earn rankings and earn the citation inside the answer, and Semrush’s operational gap study found only 22% of marketers have fully integrated AI search into their SEO work. Teams that had were more than twice as likely to report traffic and lead gains from AI platforms (81% versus 36%). That capability is weighted heavily in the rankings below.
Note the size of “ai seo agency” and “generative engine optimization agency” relative to the traditional terms. Buyers started searching for AI search help in volume during 2025, and the agencies that built a practice before then are the ones with case studies now.
The 14 best SEO agencies in the US
1. Skyfield Digital (top pick)
Meriden, CT (serves clients across the US and internationally)
Best for: growth-stage businesses from $1 million to $50 million in revenue, multi-location brands and companies that need AI search visibility now.
- Founded: 2022, Meriden, Connecticut
- Services: SEO (local, national, enterprise, global), Generative Engine Optimization, content production, schema and entity markup, web development, Google Business Profile optimization
- Google rating: 5.0 rating from 20 verified Google reviews
- Pricing: $1,000 to $10,000+ per month, average effective rate around $100 per hour, free audit with no obligation
- Proof: 918.5% organic traffic growth for SwordSlice in six months, 813.9% for The One Gown, 380.5% in one year for Riveter Consulting Group
- Credentials: Semrush Certified Agency Partner, DesignRush Top SEO Company, 95% client retention, 100% US-based team
- Notable clients: SwordSlice, The One Gown, Riveter Consulting Group, medical aesthetics clinics in the US and UK, private equity portfolio companies, B2B and industrial firms
Strengths: Skyfield treats Google rankings and AI citations as one program rather than two retainers. Every plan includes entity and schema work, citation building on the sources AI engines trust and monthly tracking of how the brand appears in ChatGPT, Gemini, Perplexity and Claude. The proof is public: SwordSlice grew organic traffic 918.5% in six months, The One Gown 813.9% and Riveter Consulting Group 380.5% in a year. Clients get a shared Monday.com board updated weekly, a senior strategist rather than a rotating junior team, and pricing that starts at $1,000 a month.
Limitations: Skyfield keeps its team small and its focus on organic search and AI visibility, so paid media and social live with partners. Enterprise buyers who need a 40-person account team and a procurement-grade vendor process will find that at Seer or NP Digital, at three to ten times the price.
Founded in Meriden, Connecticut in 2022, Skyfield has grown almost entirely through retention (95% year over year) and referrals. The SEO service covers the full technical, content and authority stack, and the GEO service is the reason it tops a national list: it was built as a discipline with its own method, not added to a services menu when ChatGPT got popular. For companies weighing a national or multi-market program, the national SEO and enterprise SEO pages spell out exactly what is included at each tier.
2. Seer Interactive
Philadelphia, PA (also San Diego)
Best for: enterprise brands that want SEO run like an analytics practice.
- Founded: 2002
- Size: 50 to 249 people, B Corp certified
- GEO / AI search: Generative Engine Optimization service; publishing AI search research since January 2023
- Reviews: 3.8 on Clutch from 4 reviews; the agency reports 92% to 97% client retention
- Pricing: $10,000+ minimum project, $200 to $300 per hour
Strengths: Nobody publishes more original research on how AI Overviews change clicks, and the analytics rigor is real. Seer’s own data found organic CTR on informational queries with AI Overviews fell 61% since mid-2024.
Limitations: The most expensive hourly rate on this list and a thin public review sample. Built for enterprise budgets and enterprise patience.
3. Siege Media
Austin, TX (offices in San Diego, New York, Chicago, San Francisco)
Best for: SaaS and consumer brands that win with content and digital PR.
- Founded: 2012
- Size: 50 to 249 people
- GEO / AI search: Describes itself as “a GEO agency built for the new search” with full-service Generative Engine Optimization
- Reviews: 4.9 on Clutch from 48 reviews, 90 NPS reported
- Pricing: $5,000+ minimum project, $100 to $149 per hour
Strengths: The most quantified GEO claims of any agency here, including 250,000 ChatGPT visits generated for Mentimeter and a finding that content with proprietary data earns 45% more AI citations.
Limitations: Narrow by design. If your problem is technical SEO or local search rather than content and links, this is not the shop.
4. Victorious
San Francisco, CA
Best for: mid-market brands that want a pure-play SEO and AEO specialist.
- Founded: 2013
- Size: 50 to 249 people
- GEO / AI search: Dedicated Answer Engine Optimization service covering ChatGPT, Perplexity, AI Overviews, Gemini, Copilot and Claude
- Reviews: 4.8 on Clutch from 119 reviews, five-time SEO Agency of the Year
- Pricing: The site recommends budgeting at least $6,000 per month
Strengths: Does one thing and publishes what it costs. No PPC or social distraction, and the AEO service is a defined product rather than a footnote.
Limitations: The $6,000 floor rules out most small businesses, and there is no project-based option.
5. Directive
Irvine, CA (offices in Austin, New York, Mexico City, London, Toronto)
Best for: B2B SaaS and technology companies measured on pipeline.
- Founded: 2013
- Size: 50 to 249 people
- GEO / AI search: Separate GEO and AEO services with entity mapping, structured data and AI citation tracking
- Reviews: 4.8 on Clutch from 56 reviews
- Pricing: Not published
Strengths: One of the few agencies with a named GEO case study tied to revenue: client Case Status went from no LLM presence to leading 39 tracked prompts, with demo bookings 20% over forecast.
Limitations: B2B tech only. Ecommerce, local and consumer brands should look elsewhere.
6. WebFX
Harrisburg, PA
Best for: mid-market and enterprise companies that want one vendor for everything.
- Founded: 1995
- Size: 500+ in-house staff
- GEO / AI search: Generative Engine Optimization with proprietary OmniSEO visibility tracking; published tiers from $3,000 per month
- Reviews: 4.9 on Clutch from 450 reviews
- Pricing: $1,000+ minimum project; most common engagement $10,000 to $49,999
Strengths: The largest review base in the industry, published GEO pricing and a proprietary reporting platform. A 586% increase in traffic from generative AI sources is documented for Thompson Tractor.
Limitations: At this scale, smaller accounts routinely report junior or rotating teams. Ask who exactly will be on your account and for how long.
7. Ignite Visibility
San Diego, CA (also Irvine, Orlando, New York)
Best for: mid-market brands that want SEO coordinated with PPC, CRO and social.
- Founded: 2013
- Size: 340+ staff
- GEO / AI search: Generative Engine Optimization and AI SEO services; won an OMMA award for an AI visibility campaign with 458% AI visibility growth
- Reviews: 4.8 on Clutch from 175 reviews; four-time Search Engine Land Agency of the Year
- Pricing: $1,000+ minimum project, $100 to $149 per hour
Strengths: Award-validated AI search results and a genuinely multi-channel bench.
Limitations: Case studies skew to franchises and local service brands. Pricing is opaque and SEO competes for attention with four other service lines.
8. Go Fish Digital
Raleigh, NC (offices in Boston, Washington DC, Phoenix, San Diego, Jacksonville)
Best for: enterprise brands where reputation and AI answers overlap.
- Founded: 2005
- Size: 250 to 999 people
- GEO / AI search: Self-described GEO agency with proprietary tooling including a free GEO scorecard
- Reviews: 5.0 on Clutch from 13 reviews, four-time US Search Awards SEO Agency of the Year
- Pricing: Not published
- Notable clients: GEICO, About Amazon, Wayfair, Jelly Belly
Strengths: Online reputation management heritage translates directly into controlling what AI assistants say about a brand.
Limitations: Thirteen Clutch reviews is a small sample for an agency this size, and pricing is not disclosed.
9. Coalition Technologies
Los Angeles, CA
Best for: ecommerce brands on Shopify, BigCommerce and Magento.
- Founded: 2009
- Size: 50 to 249 people
- GEO / AI search: AI SEO service optimizing for ChatGPT, Claude, Perplexity and Gemini
- Reviews: 4.8 on Clutch from 164 reviews
- Pricing: $1,000+ minimum project, $50 to $99 per hour, the lowest hourly band on this list
Strengths: Ecommerce depth at an accessible rate. The team has shipped SEO on every major cart platform for fifteen years.
Limitations: Bandwidth is finite. Enterprise programs with dozens of stakeholders may outgrow it.
10. NP Digital
Las Vegas, NV (operations in 28 countries)
Best for: enterprise and global brands that want one network across markets.
- Founded: 2017
- Size: 1,000+ people
- GEO / AI search: Answer and Generative Engine Optimization with Profound-based reporting; a fintech case study reports a 994% increase in LLM referral traffic
- Reviews: 4.6 on Clutch from 19 reviews; 3.7 on Trustpilot
- Pricing: Typical project $50,000 to $199,999
Strengths: Unmatched geographic reach and a named toolset for AI visibility measurement.
Limitations: The divergence between Clutch and Trustpilot sentiment is worth asking about, and the minimums exclude most mid-market companies.
11. Straight North
Chicago, IL
Best for: mid-market national, local and ecommerce companies that value continuity.
- Founded: 1997
- Size: 50 to 249 people, 100% US-based team
- GEO / AI search: An “evolving alongside AI” practice with AI visibility work, limited public detail
- Reviews: 4.7 on Clutch from 141 reviews; SEO is about 70% of revenue
- Pricing: $1,000+ minimum project, $100 to $149 per hour
Strengths: Nearly thirty years in business and SEO as the majority of the work, which is rare among agencies this size.
Limitations: The AI search offering is the least documented among the top half of this list.
12. Thrive Internet Marketing Agency
Arlington, TX
Best for: small and mid-sized businesses that want month-to-month terms.
- Founded: 2005
- Size: 160+ staff
- GEO / AI search: AI Mode, AI Overviews, ChatGPT and Gemini optimization; the agency claims a 5,556% increase in AI-driven traffic for one client
- Reviews: 4.6 on Clutch from 110 reviews
- Pricing: $1,000+ minimum project, $100 to $149 per hour, no long-term contract
Strengths: No lock-in and a broad menu that includes Amazon and video marketing.
Limitations: Headline AI traffic percentages are not independently verifiable, and the Clutch score trails the top of the list.
13. SmartSites
Paramus, NJ (15 US offices)
Best for: local and small businesses that need a website, PPC and SEO from one vendor.
- Founded: 2011
- Size: 250 to 999 people, Google Premier Partner and Meta Business Partner
- GEO / AI search: No explicit GEO or AEO service found on the homepage
- Reviews: 4.9 on Clutch from 367 reviews
- Pricing: $1,000+ minimum project, $100 to $149 per hour
Strengths: Second-largest review base on the list and a strong record with local businesses.
Limitations: Web design and PPC lead the positioning, and there is no published answer for AI search, which is a real gap in 2026.
14. Searchbloom
South Jordan, UT
Best for: small and mid-sized businesses that want to know the price before the call.
- Founded: Not verified
- GEO / AI search: Dedicated Answer Engine Optimization and Generative Engine Optimization service lines
- Reviews: Not verified on Clutch; the agency reports 95%+ retention
- Pricing: SEO from $3,000 per month, PPC from $2,000 per month, published on the site
Strengths: Published starting prices, which almost nobody else on this list offers.
Limitations: Less nationally known, and founding year, headcount and third-party ratings could not be verified.
Frequently Asked Questions
What is the best SEO agency in the US?
How much do the best SEO agencies charge?
Which US SEO agencies handle AI search and ChatGPT visibility?
Is a big SEO agency better than a small one?
How long does it take to see SEO results?
Should I choose a local agency or the best national one?
What should I check before signing with an SEO agency?
- Proof with a number and a timeframe. Every agency on this list has at least one. If a candidate does not, that is the answer.
- Who does the work. Large agencies sell on the strategist and deliver with the associate. Ask for the names of the people who will touch your account and their tenure.
- A method for AI search, not a mention. The answer should include entities, structured data, citation sources and a way to measure presence in ChatGPT, Gemini and AI Overviews. Skyfield, Victorious, Siege Media, Directive, WebFX and NP Digital all pass this test with a documented approach.
- Reporting you can open yourself. A live dashboard or board beats a monthly deck.
- Ownership. You own the site, the content, the analytics and every account. Any agency that disagrees is building leverage, not results.
- Exit terms. Twelve-month terms are defensible for SEO. Auto-renewals with 90-day notice periods are not.
- Fit over fame. The best-known agency on this list is not the best fit for a $3 million company, and the best boutique is not built for a global rollout. Match the tier in the pricing table above.
Each agency’s website and Clutch profile were reviewed in September 2026. Ratings, review counts, headcounts, founding years and pricing are reported only where published by the agency or by Clutch, and marked as not verified otherwise. AI search capability was assessed from service pages and case studies, not from a homepage keyword. Skyfield Digital publishes this ranking and appears first; the limitations noted on every entry, including our own, are there so you can discount that as you see fit. Verify current pricing and reviews before signing anything.
