Best GEO Agencies in France 2026 to Get Cited by ChatGPT

How does an AI choose the names it cites?

A partner types "which executive search firm should I use to hire a CFO for a mid-sized manufacturer in Lyon?". When it searches the web to answer, ChatGPT follows what we will call the citation chain, in four links:

1. The question, in the buyer's own words.
2. The sub-searches: the AI splits the question into shorter queries, such as "best executive search firms Lyon 2026" or "finance headhunter manufacturing". This is the fan-out.
3. The pages read for each sub-search: rankings, directories, press articles, firm pages.
4. The names kept: the ones several of those pages confirm.

The last link explains almost everything. When Astrak analysed the 1,022 pages AI engines cited in Slidor's market, the single most cited page was a "top 10" comparison published by a competing agency on its own blog: on its own it accounted for more than 6% of the citations recorded at the start, and Slidor was not in it (Slidor case).

The lesson for a firm fits in one sentence: you get cited by appearing in the pages the AI reads for your sub-searches, with a description of you that stays the same from one source to the next. Publishing more on your own site is not enough.

What does a GEO agency do?

GEO stands for generative engine optimization. A serious GEO agency does three jobs, and a tool does only one:

1. Measure: a panel of 20 to 30 buyer questions, asked regularly to ChatGPT, Gemini, Perplexity and Google's AI answers, with a dated starting point.
2. Fix your pages so an AI can lift an answer from them: direct answers, tables, structured data, one page per expertise.
3. Make you exist elsewhere: in the rankings, media, directories and reviews the AI already reads for your sub-searches.

A proposal that covers only the first job is selling you a dashboard.

What are the best GEO agencies in France?

All six were read on their own pages on 9 November 2026. Jungle Roots sits on the last row, without a number, so you can compare us on the same columns.

How did we rank these GEO agencies?

We checked five points a partner can verify before the first call:

1. Published GEO proof on the agency's site: a measured result, a period and how it was measured.
2. Work beyond your site: does the agency say which sources it acts on, or only what it measures?
3. Fit for a B2B service firm that sells in France and often abroad: B2B cases, languages and markets covered.
4. Transparency: a public starting price, a named contact.
5. What the agency runs alongside GEO: SEO, advertising in AI engines, social.

Astrak ranks first because it is the only one to meet the first four points at once: a dated, measured B2B case, a method that acts on sources, a public price and a senior consultant as the single contact. Keyweo ranks above SEO Monkey, whose GEO proof has more figures, because a firm that sells abroad needs to be cited in each language, and Keyweo is the only one to announce native consultants on 14 markets. The figures quoted are the ones each agency publishes about its own clients. No agency paid to appear here; if a place is ever paid, the entry will say "Partner" next to the name.

Which GEO agency for which firm?

1. Astrak

Best overall for a B2B service firm

• What you get: an SEO and GEO agency founded in late 2023 by Léo Poitevin, which runs technical SEO, content, link building and GEO together, with a senior consultant as the single contact (Astrak). Its protocol starts from 20 to 30 buyer queries tested on ChatGPT, Perplexity, Gemini and Google's AI Overviews and AI Mode, then works on your pages and on the pages that already cite your competitors.
• Why it ranks first: at Slidor, a B2B presentation agency, the engagement did not touch the client's site. Five articles published in June 2026 off its site, on pages AI engines read, took Slidor from 5.4% to 21% of answers between June and September, and from 24th to 9th among 203 cited agencies and tools, on 31 buying queries that do not contain its name (Slidor case). Its starting price is public: €900 a month, €2,000 on average across its clients.
• Watch-out: its other cases come from e-commerce, finance, automotive and real estate. Slidor, a B2B agency, is the closest to a consulting firm: ask to see the query panel it would build for you.

2. Keyweo

Best for getting cited in several languages

• What you get: a visibility audit on ChatGPT, Gemini, Perplexity and Claude, a citation strategy on the sources of your sector, content produced by the agency and a monthly review of how AI engines describe your brand (Keyweo, GEO agency). SEO, GEO, advertising in AI engines such as ChatGPT Ads, and Google Ads are run by the same team.
• Why it is here: native consultants on 14 markets and 7 languages, from Barcelona. Started in 2018 by two independent consultants and incorporated in 2020, it received the French EFE label for French companies abroad in 2025 (Keyweo history), and it publishes measured cases, such as Villanovo, whose monthly SEO traffic grew by more than 400% in four years (client cases). Its GEO audit is free.
• Watch-out: its published cases measure SEO. Ask for a before-and-after count of AI citations for a client like you.

3. SEO Monkey

Best when SEO has to carry GEO

• What you get: a Lille agency that brings SEO, paid media, studio and data under one roof, with a dedicated team per project: consultant, team leader, customer success manager and technical expert. Its GEO offer maps your presence in ChatGPT, Gemini and Perplexity with a costed action plan, and it also works on Reddit and YouTube (SEO Monkey, GEO agency).
• Why it is here: after a twelve-month SEO engagement in 2024, the Nat & Nin brand was cited 692 times in answers from ChatGPT, Gemini and Google's AI answers, with 245 of its pages used as sources, according to a Semrush AI Visibility reading of 23 October 2026 (Nat & Nin case). More than 400 companies served since 2020.
• Watch-out: the case is an e-commerce brand, and the citations were read after an SEO engagement, without a GEO starting point. Ask for a B2B case.

4. Noiise

Best for tool-backed tracking and a team in several cities

• What you get: an AI footprint audit run with Acoustiik, its in-house tool, which records the sources cited by ChatGPT, Gemini and Perplexity and measures your citation rate, then pages rewritten to answer one precise question each, and work on reviews and comparison sites. Thirty consultants and offices in Paris, Lyon, Marseille, Nantes and Lille (Noiise, GEO agency).
• Why it is here: its work received the special GEO prize at the SEMY Awards 2026, presented at SMX Paris. At EFLC, a school for proofreaders and a client since 2025, brand mentions on its trade keywords grew by 200% in ChatGPT and Gemini (EFLC case).
• Watch-out: the EFLC case does not state the measurement period. Ask for it, together with the query panel.

5. Eskimoz

Best for a brand that sells internationally

• What you get: a technical and semantic GEO audit, content built for AI engines and off-site authority work, led by a GEO director, in an agency that reports more than 1,000 clients (Eskimoz, GEO agency).
• Why it is here: at Fraser Yachts, a luxury yachting brand with an international clientele, it combined international SEO, link building and GEO, with traffic from AI engines up 485% (Fraser Yachts case).
• Watch-out: the case page gives no period. In an agency of this size, ask for the name of the consultant who will run your account.

6. Oli-via-net

Best for a small business that also wants its site ready for AI agents

• What you get: GEO through the GAIA method (Generative, Authority, Information, Agents), published in December 2025 by Nicolas Peter, an SEO practitioner since 2001, and kept current in a guide whose version 1.4 is dated 22 October 2026 (GAIA method). The agency, founded in 2016, also prepares your site to be read by your clients' AI agents.
• Why it is here: its client Arsayo is cited among ChatGPT's first results when asked for the best French brand of anti-theft backpacks (Oli-via-net).
• Watch-out: the case gives neither a citation rate nor a period. Ask for a dated reading.

What should you ask a GEO agency before you sign?

Send the same six questions, in writing, to the two or three agencies on your list:

1. Which query panel will you track, and can I write it with you? Insist on buyer questions that do not contain your name.
2. Which pages do AI engines cite today for those queries, and which ones will you target?
3. What will you do beyond our site, on which sites, and who approves what is published in our name?
4. How do you measure: which tool, how often, from which dated starting point?
5. Which comparable case can you show, with a period and a starting point?
6. Who works on our account, and what do we get back if we stop?

An agency that answers the second question in writing before you sign has already done part of the work. It is the best sign you will get.

How do you choose in one afternoon?

Take an example: a 12-person executive search firm in Paris that places finance directors in manufacturing, in France and Germany.

1. The questions. A partner writes 20 questions clients ask, in French and German, such as "which firm to hire a CFO for a mid-sized manufacturer?".
2. The manual reading. They ask them in ChatGPT and Google and note who is cited and which pages are. Two rankings and one directory come back in half the answers; the firm appears nowhere.
3. The shortlist. The German requirement keeps Keyweo. The Slidor case, a B2B agency brought into the answers through rankings, keeps Astrak. Both get the six questions.
4. The decision. The firm picks the agency that names in writing the two rankings to target and offers a dated starting point, in both languages.

Do the same with your 20 questions. The manual reading takes an hour, and it becomes the starting point you will judge the agency against.

Which tools let you do part of the work yourself?

The lowest public entry price we found at an agency is Astrak’s, €900 a month. Before or alongside one, a tool can do part of the work. Most do only a piece of it: GEO trackers measure your citations, writing tools write the page you already chose. Only one does what a consultant bills for, the analysis and the order of priorities.

Our number one tool: ChatSEO

ChatSEO is the best tool for doing the work that earns citations yourself. Connected to your Google Search Console, it reads your numbers the way an SEO consultant does in a first meeting, tells you which pages to fix or write first and why, then drafts them and can publish them. Try ChatSEO (affiliate link). Our reader code AIJUNGLE10 takes 10% off your first payment.

We tested it on our own site on 10 October 2026: its Search Console figures were exact to the decimal, and three fixes from its plan were live the same day (our full test). The analysis is what sets it apart: where other tools measure or write, ChatSEO explains what is holding a page back and in which order to act. The team adds features month after month. Recent months brought Google Analytics, local SEO, publishing to Shopify and Webflow, and an MCP server so you can ask your questions from Claude, ChatGPT or Cursor.

ChatSEO says itself that it is not a GEO tracker: it works on the pages that make it into answers, and leaves measurement to tracking tools.

The other tools, and what is left for you to do

To pick a tracker, our GEO tools comparison prices nine tools on the same setup of 20 questions a day.

When should you choose Jungle Roots, and when a specialist GEO agency?

Jungle Roots is AI Jungle's client acquisition service. AI Jungle is an AI transformation partner that works only with owner-led service firms of 5 to 50 people (consulting, executive search, M&A advisory), in France and internationally. Jungle Roots does not sell GEO on its own: it treats GEO as one channel among SEO, Google Ads, partners' LinkedIn, video and media. It starts with an audit of your visibility, the free Shortlist Scan then the $2,999 Shortlist Diagnostic, credited if you sign, and turns it into a tailored plan, done with you or done for you (Jungle Roots pricing). At Asia-Connect, a two-partner executive search firm, AI Jungle’s agents booked 139 qualified meetings in three months, 90 of them held.

A specialist GEO agency is the better choice in these four cases:

• GEO is your only project and you want a team that does nothing else, with a dated B2B case: Astrak.
• You sell in several languages: Keyweo.
• Your site first has to win on Google: SEO Monkey.
• You are an international brand with an established agency budget: Eskimoz.

How much does a GEO agency cost in France in 2026?

Few agencies publish their prices. This is everything we found on 9 November 2026.

The other agencies quote after an audit. Send them the same panel of 20 questions so the amounts can be compared.

FAQ

What is the best GEO agency in France in 2026?

Astrak, for most service firms: at Slidor, a B2B agency, the share of AI answers that cite it rose from 5.4% to 21% between June and September 2026. Keyweo fits better if you sell in several languages, and SEO Monkey if your site first has to win on Google.

How much does a GEO agency cost?

Astrak starts at €900 a month, and its clients invest €2,000 a month on average. Keyweo offers a free GEO audit. Most agencies quote only after that audit.

How can you tell whether a GEO agency does the work?

Ask for three documents before you sign: the panel of buyer questions it will track, the list of pages AI engines cite today on those questions, and a dated starting point. An agency that only shows screenshots of answers is selling you measurement.

How long does it take to get cited by ChatGPT?

At Slidor, five articles published in June 2026 shifted the answers by the end of that month, according to Astrak. Work on brand authority and third-party sources takes several months, according to Keyweo.

Can a GEO agency guarantee that ChatGPT will cite you?

No. No agency controls what an AI answers. It works on the pages and sources the AI reads, and measures what changes.

Should you use a GEO tool or a GEO agency?

A tool if someone in the firm can give it an hour a week: ChatSEO for analysis and drafting, a tracker for measurement. An agency if nobody will. Jungle Roots covers that choice in GEO tool or GEO agency.

Start with your 20 questions: get your free Shortlist Scan, or try ChatSEO to do the work yourself.

Disclosure: links to ChatSEO on this page are affiliate links, and AI Jungle earns a commission if you subscribe. Links to agencies are plain links. Jungle Roots is an AI Jungle service.