The short answer
We run AEO Labs, and AEO Labs is on this list. Read it as a list written by one of the agencies in it. Every fact about the other seven comes from that agency's own website, checked on October 19, 2026, and each section links to the page we read. If an agency does not publish something, we write "not published" and leave it there.
Most of the lists that rank for "llm seo agency" today are written by a vendor that ranks itself first. We do the same, so we have tried to earn it with numbers the others skip: the dollar prices agencies publish on their own sites, their contract terms, and where their results come from.
Pick by the buyer you are:
- Growth-stage brand that wants a specialist team working on the sources AI cites: AEO Labs.
- SaaS or B2B company that wants published tiers and Reddit posting: Embarque.
- You want the lowest published price and monthly billing: DoodleWeb.
- Cannabis, casino, crypto, firearms, or a bilingual site: ProStar SEO.
- You want PR placements in the sources AI already quotes: Avenue Z.
- You want LLM SEO inside a full-service agency: Single Grain.
- You want a very large agency with its own tracking platform: WebFX.
- Regulated enterprise that needs content at volume: Contently.
LLM SEO, GEO, AEO, AI SEO: same job
LLM SEO is one more name for the work other agencies call AEO, GEO or AI SEO. The agencies on this list use the labels interchangeably. Contently's LLM page opens by calling the service answer engine optimization, "sometimes called LLM Optimization". ProStar titles its page LLM SEO and generative engine optimization. Avenue Z sells its version as AEO for PR.
So if you searched a different term, the field overlaps. Our main list of the best AEO agencies covers the agencies that say AEO, the best GEO agencies covers the GEO crowd, and the best AI SEO agencies covers the bigger SEO shops. None of the seven agencies below appears on those lists. For how the acronyms relate to classic SEO, read AEO vs GEO vs SEO.
How we picked
We started from the pages that rank for "llm seo agency" and "llm optimization agency" and the agencies those pages name. We kept agencies whose own site has a page selling LLM SEO or LLM optimization by that name, with enough on it to compare.
We dropped four. Victorious has GEO and AEO pages but never uses the LLM label. Growth Marshal's site now redirects to a different domain. Intero Digital's homepage refused our request. Stella Rising has a page titled "LLM SEO Agency", but it publishes no pricing, results or terms.
For each agency we read the LLM page, the pricing page, the case studies and the about page, and compared five things:
- Published price. A dollar figure on the agency's own site, or nothing.
- Contract terms. Month to month, a minimum term, or not published.
- How results are measured. A named client, which engine, and which tool produced the number.
- A real practice or a menu line. Is LLM SEO what the agency does, or one service out of dozens?
- Off-site work. Reddit, PR, listicles, directories. The agency's own site gets you only part of the way, because the engines also quote what other sites say about you.
That last one is the biggest difference between these eight, and no list we read compared it agency by agency.
The eight LLM SEO agencies at a glance
| Agency | Best for | Published price | Terms | How results are shown | Off-site work |
|---|---|---|---|---|---|
| AEO Labs | Growth-stage brands, specialist team | Not published, quoted per brand | 30-day sprint, then retainer | Named clients, engine share links | Listicles, digital PR, Reddit |
| Embarque | SaaS and B2B, long sales cycles | $1,500, $2,800, $5,200, $10k/mo | Two wordings on its site (see below) | Unnamed clients, Bing-only citation counts | Listicles, Reddit, publications |
| DoodleWeb | Lowest published entry price | Core $1,200/mo; Custom from $2,500/mo | Core monthly, 30 days' notice; Custom 3-month initial term | Named client, 43% of 300 queries | Directory profiles, LinkedIn posts |
| ProStar SEO | Regulated niches, bilingual sites | SEO from $2,000 to $3,500/mo; no AI price | Month to month, 30 days' notice | Its own brand only | Digital PR, press, reviews, links |
| Avenue Z | PR-first AI visibility | Not published | Not published | Unnamed clients | Core of the offer |
| Single Grain | LLM SEO in a full-service agency | Not published | Not published | Named client, SmartRent | PR, Reddit, forums, listicles |
| WebFX | Very large agency, own platform | Not published (market range only) | Not published | Unnamed clients | General brand building |
| Contently | Regulated enterprise content | Not published | Not published | Aggregate figure only | Light |
1. AEO Labs: best for growth-stage brands that want a specialist team on the off-site work
What we are. An answer engine optimization agency for growth-stage brands. Our client work covers DTC and ecommerce, B2B SaaS, healthcare and multi-location services. We call it AEO; it is the same job this page calls LLM SEO.
What we do. We build a set of buyer prompts, usually 80 to 150, and baseline each one across ChatGPT, Perplexity, Gemini and Google AI Overviews. For every prompt we log whether you are cited, where, which competitors are cited, and the exact source URLs the engine pulled from. That source list decides where the work goes. On the site, we rework the pages a model would quote and check that AI crawlers are not blocked. Off the site, we go after the domains the engines already trust in your category: best-of roundups, digital PR, contributed expert content and Reddit.
Results you can check. For Try Create, ChatGPT ranked Create first for "what is the best creatine gummy" in a logged-out US session on August 9, 2026, a year after the engagement ended. The case study links to that answer on ChatGPT's own domain. Gemini names Lux Unfiltered its best dye-free pick for "best tanning face drops". Cortico Health went from blocked by every major AI crawler to fully open in days, and anyone can check its robots.txt today. iSleep's own GA4 shows $12.8k in revenue from AI referrals across 71 orders over 11 months, a small number we print because it was measured.
Pricing and terms. Not published. Every engagement starts with a 30-day sprint scoped to the brand, quoted after a first call. After that the work continues as a retainer, or your team takes the plan forward.
Where we are the wrong choice. If you want a price before you talk to anyone, Embarque and DoodleWeb publish theirs and we do not. If you sell into cannabis, casino or crypto, ProStar works in those niches by name. If you mainly want press placements, Avenue Z is built around PR. Our clearest SaaS result, Upsun ranked first in ChatGPT for "best overall structured DevOps platform", dates from the close of a 2025 engagement and does not reproduce today.
2. Embarque: best for SaaS and B2B companies that want published tiers
What it is. Embarque calls itself a pipeline-driven LLM SEO agency. It was launched in 2020 by Julian Canlas and specializes in complex products with long sales cycles, which on its site means SaaS and B2B.
What it does. A prompt audit that tests 100+ prompts on ChatGPT, Perplexity and Claude, citation-ready content, and a tracking dashboard. Off-site work is a large part of it: Embarque says it places your brand in listicles, Reddit threads and industry publications. Reddit marketing at 3 to 5 posts a month is a pickable service from Tier 2 up.
Results. It names MentorCruise, SignWell and Klap as clients that get thousands of monthly visits from AI search, with no figure attached. Its biggest numbers are unnamed: an AI podcast editing SaaS with 271,200 citations in 90 days, and a creative workflow SaaS at 924,000 citations by the 90-day mark. The case pages say that data comes from Bing's AI Performance Dashboard, so it covers Bing Copilot and its partners, not ChatGPT or Google.
Pricing and terms. The most complete price list here: Tier 1 at $1,500 a month, Tier 2 at $2,800, Tier 3 at $5,200 and Enterprise at $10k. The terms appear in two wordings. The pricing section lists 3, 6 or 12 months paid quarterly, and the LLM page recommends at least 6 months, with some clients starting on a 3-month pilot. The homepage hero says pay monthly, cancel anytime, with a money-back guarantee. Ask which one applies to your contract.
Limit. The headline citation counts are Bing-only and the clients behind them are unnamed. To its credit, the LLM page tells buyers to avoid agencies that guarantee specific placements.
3. DoodleWeb: best for the lowest published price on monthly billing
What it is. DoodleWeb is a Seattle company, founded in 2019 and based at Columbia Tower, that does web design, development and AI search visibility. Its about page puts the team at 2 to 10 senior specialists.
What it does. Eight workstreams: prompt mapping, baseline tests, crawler access, entity consistency, answer-first rewrites, schema, external profiles and weekly reporting. It says LLM SEO is for established companies with at least 10 valuable buyer prompts.
Results. Its results page names Wildflower Hemp Co, which it says is now cited in AI answers on 43 percent of 300 tracked buyer queries. For Gooten, it reports that GPTBot, Googlebot, Claude and Perplexity now get a clean HTTP 200.
Off-site work. Directory and review profiles on Clutch, DesignRush, The Manifest and GoodFirms, plus weekly LinkedIn posts for the brand and founder on the Custom plan. No Reddit or PR program is listed.
Pricing and terms. Core starts at $1,200 a month, billed monthly, and you cancel with 30 days' notice. Custom starts at $2,500 a month and has a 3-month initial term. All offers carry what DoodleWeb calls a "90-day AI Search Visibility Guarantee". Nobody can guarantee what an AI engine says, so read the guarantee's terms and find out what you get back if it is not met.
Limit. A very small team that also builds websites, so capacity for a large program is thin. The off-site work is mostly directories.
4. ProStar SEO: best for regulated niches and bilingual sites
What it is. ProStar SEO says it has operated as an LLM SEO agency since 2019, from Quebec, Montreal, Toronto and Calgary, in French, English and Spanish. Its pricing page names cannabis, casino, crypto and firearms as regulated niches it serves.
What it does. An AI visibility audit with a citation share benchmark, technical work including AI crawler access, and per-platform optimization. Authority work runs in parallel: digital PR, press distribution, reviews and link building.
Results. No client AI results are published. The page shows ProStar's own brand instead: mentions in 24 percent of tracked chats across 38 prompts and 5,665 citations, measured September 16 to 22, 2026, and 11 percent on ChatGPT. That is a real measurement, and it is the only first-party data we found on page one for this search. It measures ProStar's own market, though, so you cannot read it as a client result.
Pricing and terms. The pricing page gives SEO retainer starting points from $2,000 a month for local to $3,500 a month for regulated industries. There is no separate LLM price. Terms are month to month with 30 days' notice.
Limit. Canada-based with no US office listed, and no client AI case study. The page says plainly that ProStar does not promise a fixed position in an AI answer, which we count in its favor.
5. Avenue Z: best for PR placements in the sources AI quotes
What it is. Avenue Z sells AEO for PR, with a workstream it calls LLM Media Intelligence. It was founded in 2023 and lists addresses in New York and Miami.
What it does. It identifies which publications and listicles shape AI answers in your category, then secures placements there. That is the whole offer, so it is the most PR-heavy agency on this list.
Results. Two unnamed case stories. A benefits provider went from 5 percent AI visibility in January to 31 percent in September, measured on 100 prompts across ChatGPT, Google AI Overviews and Perplexity, with 43,087 citations reviewed. A bilingual fintech reached 293 AI-referred sessions, nearly 3.8 times its baseline, with 15.8 percent AI visibility, 16.3 percent share of voice and a 6 percent win rate.
Pricing and terms. Neither is published.
Limit. PR-first, with no price, terms or named client. The page says visibility is earned, not guaranteed. If your own site has technical or content gaps, confirm who fixes them.
6. Single Grain: best for LLM SEO inside a full-service agency
What it is. Single Grain describes itself as a full-service digital marketing agency. Its about page says the current owner bought it for $2.00 in 2014. The LLM SEO page names B2B, SaaS, ecommerce and healthcare.
What it does. AI intent and prompt mapping, an entity and knowledge graph audit, content architecture and custom LLM visibility dashboards, with quarterly business reviews.
Off-site work. Wide. Digital PR, a presence on Reddit, Quora, Stack Overflow and niche forums, and review building. In the SmartRent case, the team did outreach to get placed on listicles.
Results. One named client. SmartRent saw a 345 percent increase in referral traffic from LLMs, 100+ new citations across AI platforms, a 50 percent increase in Google AI Overview citations, and 32.1 percent more organic demo form submissions. All four are percentages or counts with no starting number.
Pricing and terms. Neither is published.
Limit. LLM SEO is one line inside a full-service menu. That suits you if you want one vendor for everything. If AI search is the main goal, ask who on the team works on it every day.
7. WebFX: best for a very large agency with its own tracking platform
What it is. WebFX runs its LLM SEO page on SEO.com. It was founded in 1995. SEO.com says 500+ digital experts and webfx.com says 750+, so the headcount depends on which page you read.
What it does. An audit of your visibility across AI platforms, prompt tracking in its own OmniSEO platform, technical SEO, content optimization and brand building across the web. No PR, Reddit or review program is named.
Results. All unnamed. A regional CAT dealer saw a 500 percent increase in leads from AI platforms. A commercial landscaping equipment maker had 1,164 percent more traffic from AI sources, and a healthcare accreditation body 188 percent more from AI channels.
Pricing and terms. WebFX does not publish its own price. The LLM page says hiring an LLM marketing agency costs $2,000 to $10,000+ a month across the market. Its proposal form lists $2,500 to $5,000 a month as the lowest budget option, but that is a form choice and not a price. Terms are not published.
Limit. The FAQ lists "top LLM SEO agencies" and puts WebFX among them, so read it as a sales page. The results name no client, and like Single Grain, LLM work is one service in a very large catalog.
8. Contently: best for regulated enterprises that need content at volume
What it is. Contently is a content platform for regulated industries, operating since 2011. It sells LLM optimization as a companion service to the platform. It lists enterprise logos, including Manulife, as AEO programs in production, and a talent network of 10K+ creators and 2,000+ credentialed specialists.
What it does. A weekly panel of 1,200+ prompts across four engines, schema and entity audits, and six structural rewrite patterns aimed at turning a non-citation into a citation.
Results. No per-client figures. Contently claims 4.1 times more AI-search citations than the prior agency-published baseline at enterprise financial services customers, and a 12-day median time to first citation for a properly structured piece. Both are aggregates.
Off-site work. Light. Third-party citations come up only as an entity-audit recommendation.
Pricing and terms. Not published. The pricing link redirects to a demo request.
Limit. A content platform first. If you need off-site placement or PR, you will need a second vendor. If you are a bank or insurer that needs a lot of compliant content written, it is built for that.
How the results on this list are measured
Line the case studies up and the sources differ more than the numbers do:
- Named client and an engine you can check: AEO Labs (share links), DoodleWeb (Wildflower Hemp Co), Single Grain (SmartRent).
- Unnamed clients: Embarque's citation counts, Avenue Z's two case stories, WebFX's three.
- One engine only: Embarque's 271,200 and 924,000 citations come from Bing's dashboard.
- Aggregate across customers: Contently's 4.1x.
- The agency's own brand: ProStar's 24 percent.
None of that makes a number false. It tells you what question to ask on the sales call.
What to ask before you sign
- Which prompts will you track, and can I see my baseline? You want a written list of buyer prompts and where you stand on each today, per engine.
- Which engine is the number from? A Bing-only count and a ChatGPT result are different claims.
- How much of the work is off my site? Ask which lists, publications and communities they will target. Compare Avenue Z, Embarque and Single Grain with DoodleWeb and Contently and the range is wide.
- Is LLM SEO a team or a menu line? At a full-service agency, ask who works on it day to day.
- What happens if I stop? ProStar and DoodleWeb's Core plan run month to month. DoodleWeb's Custom plan has a 3-month first term. Embarque's site states its terms two ways. Get yours in writing.
- What does any guarantee cover? No one controls what an AI engine says. A guarantee is a refund policy, so read its conditions.
For the full buyer's checklist, read how to choose an AEO agency.
Where to start
Take 20 questions your buyers would ask and run them through ChatGPT, Gemini and Perplexity this week. Write down who gets named and which sites the answers cite. If you are missing, the next question is why, and that is what an AEO audit answers. You can run the first pass yourself. If you want help with the off-site half, book a call with Aidan.