Best AI SEO Agencies (2026): 10 Compared by Price, Services and Stated Results

Key takeaways

• Two of the ten state a price for AI search work: Omniscient Digital (full-service from $120,000 a year, about $10,000 a month) and WebFX (GEO from $3,000 a month). Onely says it has no rate card, and the other seven give no figure.
• Two state a named client's AI search result with both a start figure and a period: Omniscient Digital (60 days) and Seer (year over year). Single Grain gives a start figure only, Previsible and Siege Media give a period only, and the rest give a percentage with neither, an unnamed client, a metric that is not AI search, or no result.
• Contract terms vary more than prices. Previsible offers project work with no long-term commitment and 12-month retainers, Siege Media expects a 6+ month horizon, and First Page Sage says it avoids long-term contracts yet describes typical campaigns as two to five years.
• Fit is stated, not assumed. Onely says it is not focused on small businesses, local search or paid media, iPullRank splits its GEO service into three stages aimed at start-ups, mid-market brands and Fortune 500s, and Omniscient Digital serves B2B brands.
• The engines named differ by agency. Siege Media's GEO page and homepage name only ChatGPT and AI Overviews, while Single Grain, WebFX and Previsible name six or more surfaces. Match the list to where your buyers ask.

In this post16 sections

1. How are these AI SEO agencies ranked?
2. What does an AI SEO agency do?
3. How much does an AI SEO agency cost?
4. Which AI SEO agencies are worth shortlisting?
5. 1. Omniscient Digital
6. 2. WebFX
7. 3. Seer Interactive
8. 4. Single Grain
9. 5. Previsible
10. 6. Siege Media
11. 7. Go Fish Digital
12. 8. Onely
13. 9. First Page Sage
14. 10. iPullRank
15. How do you choose an AI SEO agency?
16. What should you ask an agency before you sign?

How are these AI SEO agencies ranked?

The ten agencies are ranked on three facts each states on its site, in order: a published price, then a named client’s AI search result (a start figure and a period rank above one of the two, then neither), then the number of AI engines named on its GEO page and homepage. Ties fall to the later fact.

Prices and terms are as of 5 November 2026.

What does an AI SEO agency do?

An AI SEO agency works to get a brand mentioned, cited or recommended in AI answers from engines such as ChatGPT, Gemini, Perplexity and Google AI Overviews. The work usually combines measuring where the brand appears, restructuring content, earning mentions on sources AI answers draw on, and fixing technical access.

The ten agencies describe the same four jobs in different words:

• Measurement. Omniscient Digital maps where a brand appears across prompts, categories and competitors. Seer lists a prompt development and tracking plan. Siege Media reports monthly on citations, share of voice and revenue.
• Content changes. Onely lists content restructuring and rewritten pages. Single Grain lists answer blocks with FAQ, HowTo, Speakable and Organization schema.
• Third-party mentions. Go Fish Digital sells digital PR for brand citations. Omniscient Digital lists review platforms, communities and comparison pages as targets. First Page Sage lists review management and database inclusion.
• Training and internal programs. Seer sells GEO education sessions, and iPullRank says it will help build an internal GEO program.

How much does an AI SEO agency cost?

Only two of the ten state a price for AI search work. WebFX lists GEO starting at $3,000 a month. Omniscient Digital lists full-service engagements starting at $120,000 a year, which is about $10,000 a month. The other eight give no figure, and Onely says it publishes no rate card.

WebFX also lists SEO packages from $2,900 (Silver) to $9,200 (Diamond) a month on a 6-month commitment, and does not say whether that term applies to the $3,000 GEO tier. Previsible prices project work per project and retainers by scope.

Because most prices are hidden, the useful comparison is the term and the deliverables. Ask each agency to put both in writing before you compare quotes.

Which AI SEO agencies are worth shortlisting?

Omniscient Digital and WebFX are the two that state a price, and Omniscient Digital and Seer are the two that show an AI result with a start figure and a period. The sections below follow the ranking, with each agency’s price, terms, services, stated result and limits.

1. Omniscient Digital

Omniscient Digital is an organic growth agency for B2B brands, and with WebFX it is one of two in this list that publishes a price for AI search work. Its answer engine optimization service starts at $120,000 a year for full-service engagements, and its Convert case study gives start and end figures with a 60-day period.

Best for: B2B brands, software above all, with an annual budget that can carry a full-service engagement.

Price and terms: Full-service engagements start at $120,000 a year, about $10,000 a month. No minimum term is stated.

Services: Maps where the brand appears across prompts, categories and competitors, identifies the publishers, review platforms, communities and comparison pages that AI answers draw on, produces and optimizes content, earns third-party validation and monitors visibility. Original research and digital PR are listed. ChatGPT, Claude and Gemini are named.

Stated result: For Convert, an A/B testing and CRO software company, prompt visibility rose from 31% to 55% across tracked queries and AI citation share from 15% to 35% over 60 days, tracked in Peec AI. The page headlines these as 81% and 140%. Its own start and end figures work out to about 77% and 133%, and the page does not explain the difference.

Limits: The entry price is the highest stated in this list. Offices are in the US, the audience is B2B, and Perplexity and Google AI Overviews are not named on the service page. The agency chooses the tracked queries and the page does not give their number.

Omniscient Digital answer engine optimization

2. WebFX

WebFX is a digital marketing agency that lists generative engine optimization from $3,000 a month, the lowest stated price for AI search work here. It also runs an AI search tracking platform, OmniSEO. Its case study reports three AI search percentages for one client and gives no baseline or measurement window.

Best for: Businesses that want a monthly price and a long list of named engines before a sales call.

Price and terms: GEO solutions start at $3,000 a month. SEO packages run $2,900 to $9,200 a month on a 6-month commitment. Whether that commitment covers GEO is not stated.

Services: A GEO audit, an SEO audit, AI search strategy, AI search optimizations and performance tracking, with schema and digital PR citations in the ongoing work. OmniSEO tracks visibility across 10+ AI platforms. Google AI Overviews and AI Mode, ChatGPT, Gemini, Perplexity, Copilot and Meta AI are named in the text.

Stated result: Thompson Tractor, a heavy equipment dealer and client since 2018, shows 586% more traffic from generative AI sources, 500% more leads from AI platforms and 136% more visibility in Google AI Overviews. The AI search strategy launched in January 2025. No baseline or window is given for the percentages.

Limits: Result percentages have no start figure or period. The lowest published price is $2,900 to $3,000 a month.

WebFX AI search optimization

3. Seer Interactive

Seer Interactive is a digital marketing agency that serves enterprise clients and sells GEO as a measurement-led service. It lists named deliverables across measurement, discovery, testing and training. It publishes no price, and its Trex case study states start figures with a year-over-year comparison.

Best for: Enterprise teams that want measurement and testing before committing to a long program.

Price and terms: Not published. The GEO page says “You don’t need to commit to a 12-month program to get answers.”

Services: Measurement deliverables include a prompt development and tracking plan and AI analytics benchmarks and a report. Discovery includes AI citation and source analysis and AI competitive analysis. Testing includes a structured test framework, and training includes GEO education sessions. Seer names ChatGPT, Gemini and Perplexity, plus Google AI Overviews in its case study, and says it partners with Scrunch for tracking.

Stated result: For Trex, a composite decking brand, owned AI Overview references grew from 71 keywords to 199 keywords year over year, and impression-weighted click-through rate rose from 0.78% to 1.36%. The case covers Google AI Overviews only.

Limits: No price, and the stated client base is enterprise (“130+ Enterprise Clients”). Claude and Copilot are not named on the GEO page.

Seer Interactive generative engine optimization

4. Single Grain

Single Grain sells answer engine optimization. It lists no retainer price. Its SmartRent case study gives a start figure, with Google AI Overview citations going from 64 to 96, but states no period for that change. Its service page names eight AI surfaces, from Google AI Overviews to Siri.

Best for: Companies that want answer blocks, schema and AI citation tracking from one agency.

Price and terms: No retainer price or minimum term is listed.

Services: Answer blocks with FAQ, HowTo, Speakable and Organization schema, AI citation tracking with custom dashboards, publishing to channels AI consults, digital PR and site audits. Google AI Overviews, ChatGPT, Gemini, Perplexity, Claude, Copilot, Alexa and Siri are named on the service page.

Stated result: For SmartRent, total Google AI Overview citations went from 64 to 96, with no period stated for that figure. The agency also says most clients see improvements in AI citations within two to three months, without stating how that is measured.

Limits: No price or term, and the SmartRent citation figure has no period. Several other result cards on the service page also give figures without one.

Single Grain answer engine optimization services

5. Previsible

Previsible is an agency for enterprise teams that spells out how its engagements are structured, though it lists no dollar price. Project work carries no long-term commitment, the integrated retainer runs 12 months and dedicated engagements are multi-year. Its GEO page names ChatGPT, Gemini, Claude, AI Overviews, Amazon Rufus and Copilot.

Best for: Enterprise SEO teams that want to choose between a project, a 12-month retainer or a multi-year embedded team.

Price and terms: No dollar figures. Contracted work is priced per project with no long-term commitment, integrated engagements are 12-month retainers priced by scope, and dedicated engagements are multi-year. The integrated engagement is listed for “Marketing orgs of 10 or less.”

Services: GEO strategy with benchmark baselines, recurring reports, before and after tracking, and configured implementations deployed to the client’s site and content.

Stated result: Its case study index lists Squaremouth, a marketplace, at 270% more revenue from ChatGPT in 6 months, and NapLab at 209% more AI referral sessions in 6 months. Neither card states a baseline.

Limits: No price, and results show a period but no start figure.

Previsible GEO strategy

6. Siege Media

Siege Media calls itself a full-service GEO agency, with content, digital PR and Reddit work among its listed services. It lists no price but states who it is for and how long it expects to work: a brand with a real product and real customers, ready to commit to a 6+ month horizon, in a phased 12-month roadmap.

Best for: SaaS, fintech, e-commerce, cybersecurity, education and travel brands that can commit to six months or more.

Price and terms: Not published. The page offers a proposal or a free assessment. Phases run from foundation in months one and two to compounding from month four, on a 12-month roadmap.

Services: Prompt and citation analysis, proprietary research and digital PR, bottom-funnel comparison and pricing content, a disclosed presence in communities such as Reddit, quarterly page refreshes and monthly reporting on citations, share of voice and revenue. It publishes a book on generative engine optimization and a research report, “Where AI Gets Its Buying Advice.”

Stated result: For Mentimeter, the case study says ChatGPT accounted for 124K total sessions over a six-month period, with no baseline. Siege’s GEO page and homepage cite 250,000 ChatGPT visits for the same client, with no period.

Limits: Its GEO page and homepage name only ChatGPT and AI Overviews. No price, and the Mentimeter figures carry no start figure and two different totals.

Siege Media GEO services

7. Go Fish Digital

Go Fish Digital is a full-service agency with a GEO service and its own toolkit. It lists no price. Its MoneyGeek case study, titled as making the site AI-ready, reports clicks up 74.8% and impressions up 50.6% with no period, and those are search clicks and impressions rather than AI citations.

Best for: Brands that want a full-service agency with GEO tooling and Google-focused AI Overview work.

Price and terms: Not published. The page offers a proposal.

Services: Semantic content audits, AI Overview and ChatGPT optimizations scored by vector similarity, technical fixes for AI discovery, and digital PR for brand citations. The toolkit lists an AI Overview Analyzer, a Similarity Score Extension and Barracuda. Its GEO page names ChatGPT, Google AI Overviews, Bing Copilot and AI Mode, and its homepage adds Claude and Perplexity.

Stated result: MoneyGeek clicks rose from 67.5K to 118K and impressions from 17.4M to 26.2M. No period is stated.

Limits: No price, no period on the result, and no AI citation metric in the case study.

Go Fish Digital generative engine optimization

8. Onely

Onely calls itself a GEO agency for enterprises looking for international AI search, lists technical SEO among its services, and says it is not focused on small businesses, local search or paid media. It publishes no rate card and names five engines: AI Overviews, AI Mode, Gemini, ChatGPT and Perplexity.

Best for: Enterprises that need AI search work across several countries.

Price and terms: No rate card. Onely says the price depends on the brand’s problem, including the audience research needed and the number of countries.

Services: Audience research, entity mapping, content restructuring and team training, with a question map per market, an entity map, rewritten pages, playbooks and a monthly report.

Stated result: Of six client quotes on the GEO page, one gives a figure: organic traffic rose by 129%, from Europejski Fundusz Leasingowy SA. No period is given and the figure is not specific to AI search.

Limits: Says it is not focused on small businesses, local search or paid media. No case study with figures is on the GEO page.

Onely generative engine optimization

9. First Page Sage

First Page Sage calls itself an SEO and GEO agency. Its GEO program covers list creation, database inclusion, website authority, review management, achievement publicity and social sentiment monitoring. It lists no price and says it does not lock clients into long-term contracts, yet typical campaigns last two to five years.

Best for: Brands that want authority building, reviews and list placement as part of AI search work.

Price and terms: Not published. Its pages say “we don’t believe in locking our clients into long-term contracts” and “Our typical campaigns last for 2-5 years.”

Services: The six GEO elements above, with ChatGPT, Gemini, Perplexity and Claude named.

Stated result: The one named client on its case studies page, Cadence Design Systems, shows a 934% increase in total keyword rankings over a year, which is a keyword-rankings figure. AI figures appear for unnamed clients, such as a New York plastic surgeon whose AI recommendation share rose from 11% to 64% across 31 queries in 12 months.

Limits: No price, no named client with an AI search figure, and campaigns that run for years.

First Page Sage generative engine optimization

10. iPullRank

iPullRank sells GEO in three stages aimed at start-ups, mid-market brands and Fortune 500 companies, and says it will also help build an internal GEO program. It lists no price. Its six case studies are labelled by industry rather than client name.

Best for: Teams that want GEO work scoped by company size, with an option to bring it in-house.

Price and terms: Not published. No term is listed.

Services: The Emerging stage, “for start-ups and new brands,” lists an AI search visibility baseline and prompt and topic strategy. Growth, for mid-market and challenger brands, lists competitive analysis, an omnimedia content audit and plan, a measurement framework and execution support. Elite, for Fortune 500s and category leaders, lists content engineering, digital PR and executive reporting tied to revenue. It names AI Overviews, ChatGPT and AI Mode, and publishes an AI Search Manual and a readiness quiz.

Stated result: No case study names a client with an AI search result. The financial services case study lists content audit, plan and optimization work and names no AI surface.

Limits: No price, and only AI Overviews, ChatGPT and AI Mode are named.

iPullRank GEO service

How do you choose an AI SEO agency?

Choose on the constraint that is hardest for you: budget, contract length, company size or proof of results. The situations below name the agencies whose own statements match each one, with a second option where the statements support one. Ask every agency for a written scope before comparing them.

• You want a price before a call. WebFX (GEO from $3,000 a month), then Omniscient Digital (from $120,000 a year).
• You want an AI result with a start figure and a period. Omniscient Digital or Seer.
• You want to avoid a long commitment. Previsible’s project work carries no long-term commitment. Seer says you do not need a 12-month program to get answers. First Page Sage says it avoids long-term contracts, but describes typical campaigns as two to five years.
• You are a B2B software company. Omniscient Digital, then Siege Media for SaaS and fintech.
• You are an enterprise with several markets. Onely for international work, Seer for measurement, iPullRank’s Elite stage for Fortune 500 scope.
• You want to build the skill in-house. iPullRank offers to help build an internal program, and Seer sells education sessions.
• You are a small business or local. Onely says it is not focused on small businesses or local search. iPullRank’s Emerging stage is aimed at start-ups and new brands, and Previsible lists its integrated engagement for marketing orgs of 10 or less. Ask the rest for a minimum budget.

What should you ask an agency before you sign?

Ask for the baseline, the period and the prompts behind every AI result, and for the term and deliverables in writing. A percentage with no start figure cannot be checked, and AI answers differ between runs and engines, so a single screenshot is weak evidence.

1. What was the start figure, and over what period? Two of the ten show both for a named client.
2. Which prompts were tracked, and how many? Omniscient Digital’s Convert page does not state the number.
3. Which engines does the work cover? Siege Media’s GEO page names two, while WebFX names seven and Previsible six or more.
4. What is the minimum term? Terms range from no long-term commitment to 12 months and multi-year.
5. What is delivered each month? Compare the list against the deliverables above.
6. Who does the work? Ask whether strategy, content and digital PR are done by the same team that sells the engagement.

For the measurement side, see the AI visibility and GEO tools that track the same metrics, and how to rank in ChatGPT for what you can control yourself.

Frequently asked questions

How much does an AI SEO agency cost?

Most do not say. Of the ten here, WebFX lists GEO from $3,000 a month and Omniscient Digital lists full-service engagements from $120,000 a year, about $10,000 a month. The other eight publish no figure, and Onely says it has no rate card because the price depends on the brand's problem. Ask for a scoped proposal.

What is the difference between GEO, AEO and AI SEO?

Agencies use the labels loosely. Omniscient Digital and Single Grain lead with answer engine optimization, while the other eight use generative engine optimization, or GEO. All describe getting a brand cited or recommended in AI answers, so compare the deliverables each one lists, not the label.

How long does an AI SEO agency take to show results?

Agencies state different horizons. Single Grain says most clients see AI citation improvements within two to three months, Siege Media expects a 6+ month horizon, and Previsible lists 12-month retainers. Omniscient Digital's Convert result covers 60 days. Treat each as the agency's own statement and ask for the baseline behind it.

Should I hire an AI SEO agency or use a tool?

Tools measure and agencies execute. A tracker shows how often AI answers mention your brand, but closing the gap takes content, digital PR and technical work. If your team can do that work, start with a tracker. If it cannot, an agency covers execution at a monthly or annual price.

What should an AI SEO case study show?

A named client, the metric, a start figure and a time period. Of the ten agencies here, Omniscient Digital and Seer give all four for an AI search result. Without a baseline, a figure such as 270% or 586% cannot be compared with what the client had before the work started.