Company lists · Data refreshed September 2026

Top 15 Website conversion optimization based in France

RevenueBase identified 56 company matches for website conversion optimization associated with France as of September 2026 and tracks 262 professional contacts across them, including 107 with verified work emails. Paris is the largest hub.

This list covers company matches for website conversion optimization associated with France, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
56Companies
262Contacts tracked
107Verified emails
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The 15 largest website conversion optimization based in France

Ranked by team size
Top 15 of 56 company matches for website conversion optimization based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchParis, FranceHQ recorded Sep 22, 202611-5041 contacts →

Exact match

“Webyn is the AI co-pilot dedicated to online conversions optimization, offering a complete solution to propel your website to success.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchLyon, FranceHQ recorded Sep 22, 202611-5040 contacts →

Exact match

“Digitalisim est un groupe d’experts qui œuvrent sans relâche pour vous apporter les derniers technologies du web marketing en lien avec votre secteur d’activité.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchLyon, FranceHQ recorded Sep 22, 20261-1022 contacts →

Exact match

“E-commerce sales increase only 2 ways: 1) Massive ads spend with lesser conversion.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchParis, FranceHQ recorded Sep 22, 202611-5018 contacts →

Exact match

“Welyft is a data-marketing agency that helps brands deliver an exceptional customer experience through data & experimentation (A/B testing, personalization, user testing, UX…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchParis, FranceHQ recorded Sep 22, 202611-5016 contacts →

Exact match

“Henkan & Partners est un cabinet spécialisé en Product Analytics et Expérimentation.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchLyon, FranceHQ recorded Sep 22, 20261-108 contacts →

Exact match

“Variant Marketing is a French based digital agency that will get your website qualified traffic through SEO and SEA, and make it convert through efficient website and landing page…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchLyon, FranceHQ recorded Sep 22, 202611-507 contacts →

Exact match

“Depuis 10 ans Altics teste et optimise les sites marchands.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchMetz, FranceHQ recorded Sep 22, 20261-107 contacts →

Exact match

“Etowline : l'expertise e-commerce augmentée par l'humain et l'innovation Nous transformons les défis du retail et du numérique en leviers de croissance durables.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchLille, FranceHQ recorded Sep 22, 20261-106 contacts →

Exact match

“Fort de nos 13 années d'expérience, nous avons acquis la certitude que le CRO est un gigantesque générateur de valeur accessible à toutes les organisations.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchNantes, FranceHQ recorded Sep 22, 20261-105 contacts →

Exact match

“Notre mission est de faire grandir les organisations et les équipes.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchLille, FranceHQ recorded Sep 22, 20261-104 contacts →

Exact match

“SDLV est une agence UX/CRO spécialisée dans l'optimisation de l'expérience utilisateur et de l'optimisation du taux de conversion pour les sites web.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchParis, FranceHQ recorded Sep 22, 20261-102 contacts →

Exact match

“Cogito, c'est l'agence qui pense à ta place.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchMontpellier, FranceHQ recorded Sep 22, 20261-102 contacts →

Exact match

“Show me Your Data est une agence Web Analytics fondée en 2010 et organisme certifié Qualiopi de formation basée à Montpellier, France.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchNice, FranceHQ recorded Sep 22, 20261-101 contacts →

Exact match

“We are expert in conversion rate optimization.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchParis, FranceHQ recorded Sep 22, 20261-101 contacts →

Exact match

“Growing your Conversion and Customer Life Time Value is vital as the cost of media is booming.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 15 of 56 website conversion optimization based in France

See the full list, filter by size, metro and specialty, and access 107 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Website conversion optimization based in France at a glance

As of Sep 22, 2026
40.8%Verified-email coverage
4.7Average contacts per company
1-10Median size (employees)
32.1%Largest-city concentration · Paris
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
48
11-50
7
1,001-5,000
1

Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 56 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with France whose business descriptions match “website conversion optimization” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 107 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “website conversion optimization”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many website conversion optimization are there based in France?

RevenueBase identified 56 company matches for website conversion optimization associated with France as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

WEBYN tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most website conversion optimization?

Paris leads with 18 company records, followed by Lyon (9) and Nantes (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 107 professional contacts with verified work emails tracked across these 56 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.