You run an e-commerce. Your prospects ask ChatGPT "best [your product] for [their use case]" and your brand doesn't show. On Perplexity, your competitors are cited with a direct link. On Google AI Mode, you're invisible.
An e-commerce-specialized GEO agency can flip these three channels. Here's how they work, what it costs, and how to pick one.
The three levers of a GEO agency for e-commerce
1. Product feeds optimized for Google AI Mode
Google AI Mode is becoming a dominant product acquisition surface in 2026. A serious GEO agency actively optimizes your Google Merchant Center, product feeds, attributes (materials, dimensions, certifications, use scenarios).
Concretely: enriching product titles with semantic modifiers, adding structured attributes, optimizing images, continuous feed quality validation in GMC. A skill set few generalist GEO agencies master.
2. Presence in third-party "best of" lists
LLMs love recommending products via curated third-party lists. "The 10 best ergonomic backpacks of 2026" on a specialized blog, "Best running shoes for flat feet" on Reddit, "Bio cosmetic brands to know" in a niche magazine.
An e-commerce GEO agency works to place your products in these lists: editorial outreach to specialized blogs, partnerships with content creators, active presence on Reddit and sector forums.
3. Multi-platform review strategy
LLMs heavily cite Trustpilot, Google Reviews and marketplaces (Amazon, Walmart) to recommend e-commerce brands. An e-commerce with a Trustpilot 4.7 (300+ reviews) score will be systematically preferred over an e-commerce with 4.2 (50 reviews) on purchase prompts.
A serious e-commerce GEO agency actively manages your multi-platform strategy: post-purchase collection campaigns, review responses, negative review management, score harmonization across platforms.
How much it costs
One-shot e-commerce GEO audit: $2,200 to $5,000 depending on the number of product categories covered. Includes: citation share assessment on 60-120 product prompts, Google Merchant Center audit, competitive benchmark, multi-platform review analysis, prioritized action plan.
Monthly retainer: $2,000 to $6,000 depending on scope.
- Low end ($2,000-$3,200): monitoring of 60-100 prompts, monthly report, continuous product feed optimization, 5-10 content recommendations per month.
- High end ($4,500-$6,000): monitoring of 150-200 prompts on the major AI engines, active outreach to specialized blogs, multi-platform review management, Amazon/marketplace optimization.
The four criteria to evaluate an e-commerce GEO agency
- Mastery of GMC product feeds and AI Mode. Ask to see a before/after feed optimization on an e-commerce client.
- Ability to place in third-party "best of" lists. The agency must have an editorial outreach workflow with dated results.
- Multi-platform review strategy. Trustpilot + Google + marketplaces, not just one platform.
- E-commerce case studies with conversion numbers. Not just traffic: conversion rate, average basket, LLM ROAS.
Which agencies do GEO for e-commerce?
Few agencies show both e-commerce expertise and a GEO offer. The ones below work mainly in France and Europe: the agencies with a GEO side from our French e-commerce SEO agency comparison, plus Mentionable Agency. Each one is scored on the same five criteria, from 0 to 3, based on what it publishes itself. AI visibility measurement counts double, for a total out of 18: it is the only criterion that lets you check the work once the contract is signed. The ranking follows the total. On a tie, the agency that publishes more client references comes first.
| Criterion | What each score means |
|---|---|
| AI visibility measurement | 0: none. 1: one-off or self-reported audit. 2: regular tracking with a tool. 3: daily tracking per question and per AI engine, compared before and after |
| Topic coverage (e-commerce GEO) | 0: off topic. 1: mentioned in the offer. 2: a GEO layer on top of e-commerce work. 3: both a GEO offer and e-commerce expertise on display |
| Published proof | 0: none. 1: references or partial figures. 2: published case studies or awards. 3: case studies with before and after figures |
| Track record and team | 0: under one year in business. 1: small, recent team. 2: several years, established team. 3: over ten years or more than 50 people |
| Offer transparency | 0: vague scope. 1: services described, pricing on quote. 2: written scope and commitment terms. 3: public prices and written terms |
| Agency | AI measurement (×2) | Topic | Proof | Track record | Transparency | Total /18 |
|---|---|---|---|---|---|---|
| JVWEB | 2 (GEO offer and in-house tools) | 3 (GEO offer, Shopify, Prestashop, Magento) | 2 (case studies) | 3 (100+ experts) | 1 (no public pricing) | 13 |
| Mentionable Agency | 3 (daily tracking per question, per AI engine and per country) | 3 (dedicated e-commerce SEO/GEO service, Shopify and PrestaShop) | 1 (figures from its own site, no client case study) | 1 (Mentionable team active since 2025, agency opened in 2026) | 1 (services described, pricing at the first meeting) | 12 |
| Eskimoz | 1 (GEO offer, measurement not detailed) | 3 (AI division and large catalogs) | 2 (case studies) | 3 (250 consultants) | 1 (no public pricing) | 11 |
| NOIISE | 1 (GEO offer, measurement not detailed) | 3 (award-winning GEO, dedicated Prestashop skills) | 2 ("Best GEO campaign 2026" award) | 3 (85 consultants) | 1 (no public pricing) | 11 |
| ID Interactive | 2 (AI visibility in the monthly report) | 2 (GEO on top for competitive markets) | 1 (300+ clients, no case figures) | 3 (founded in 2006) | 1 (no public pricing) | 11 |
JVWEB is the most tooled-up of the group, with a data and AI division and a dedicated GEO offer. Eskimoz targets large catalogs and runs five AI services. NOIISE combines e-commerce SEO and GEO, with rare Prestashop skills. ID Interactive brings store development, paid acquisition and a GEO layer for clients in crowded markets.
Mentionable Agency, the SEO and GEO agency of Mentionable, opened in 2026, ranks second behind JVWEB. All the SEO and GEO work is done in-house: strategy, catalog content, link building and technical work run through the agency's own editorial and link building workflow, separate from the Mentionable tool and going further than what the tool automates. The tool is the support: it measures how often a brand and its products show up in real AI answers, question by question and country by country, shows which third-party sources AI engines cite, and helps decide what to build. The result is judged on that same measurement, before and after. Its limits: a young agency, no published client case study yet, and pricing given at the first meeting. Details are on the GEO agency page.
Measuring ROI
Three main KPIs:
- Citation share on purchase prompts
- LLM referrer sessions in Google Analytics
- Conversion rate on LLM referrer sessions (often 2-3x higher than classic Google sessions because prospects are in more advanced purchase intent)
Agency or DIY?
DIY is more efficient if you have an in-house e-commerce manager or growth marketer who can absorb 6-12 hours per week. A tool like Mentionable covers measurement by country and by question, a monthly action plan for your site and, from the Influence offer, outreach to win mentions. Presence starts at €249/month, with a 7-day free trial.
The agency becomes more profitable for a multi-category e-commerce requiring tracking on 100+ prompts, or for an e-commerce without internal team capable of piloting Google Merchant Center optimization and editorial outreach.
Finding an e-commerce-specialized GEO agency
Mentionable maintains a directory of GEO agencies: a founding circle of GEO agencies, selected on their approach. No commission, no paid placement. Mentionable Agency has its profile there too.
