Company lists · Data refreshed November 2026

Top 25 Application development outsourcers based in France

RevenueBase identified 598 company matches for application development outsourcers associated with France as of November 2026 and tracks 5,869 professional contacts across them, including 1,970 with verified work emails. Paris is the largest hub.

This list covers company matches for application development outsourcers 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 November 6, 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 Nov 6, 2026 How this list was built
598Companies
5,869Contacts tracked
1,970Verified emails
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The 25 largest application development outsourcers based in France

Ranked by team size
Top 25 of 598 company matches for application development outsourcers based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMontbonnot-saint-martin, FranceHQ recorded Nov 6, 2026201-500275 contacts →

Exact match

“Nous sommes une ESN (entreprise de services numériques) spécialisée dans la conception, le développement et la maintenabilité de solutions informatiques, techniques et…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCasablanca, FranceHQ recorded Nov 6, 2026501-1,000272 contacts →

Exact match

“Finatech is a global IT services provider delivering technology-driven business solutions that meet the strategic objectives of our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchIssy-les-moulineaux, FranceHQ recorded Nov 6, 202651-200159 contacts →

Exact match

“Une SSII avec de vraies valeurs."S'engager au forfait, respecter, les attentes de nos clients, leur budget en favorisant notamment la réutilisation affichée de nos composants…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAngoulême, FranceHQ recorded Nov 6, 202651-200131 contacts →

Exact match

“Scub est une société de service en informatique qui a pour but de fournir du conseil et de développer des applications spécifiques afin de résoudre vos problématiques les plus…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchParis, FranceHQ recorded Nov 6, 202651-200122 contacts →

Exact match

“Bienvenue chez WEB-ATRIO, l’#ESN qui change la donne!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchParis, FranceHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Depuis sa création en 2006, TRITUX a développé une expertise et un savoir faire lui permettant de mener à bien tous ses projets de l’amont à l’aval.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchIvry Sur Seine, FranceHQ recorded Nov 6, 202651-200101 contacts →

Exact match

“Castelis, c'est l'histoire d'une entreprise en croissance continue.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRoubaix, FranceHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“Eh non,"Développeurs de progrès", n’est pas qu'un joli slogan pour nos T-shirts; c'est une véritable philosophie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchParis, FranceHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“The Coding Machine is an IT company that provides bespoke web & mobile development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLe Haillan, FranceHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“4SH est une entreprise de services du numérique.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNeuilly-sur-seine, FranceHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“BOCASAY est une entreprise de services du numérique (ESN / SSII) spécialisée dans le développement web et applicatif.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchParis, FranceHQ recorded Nov 6, 202611-5071 contacts →

Exact match

“Created in 2005, FWA is a software engineering company, specialized in business computing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNantes, FranceHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Nous sommes une ESN experte, engagée et résolument humaine.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchParis, FranceHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“Ipsosenso manages from end-to-end (design, development and outsourcing) e-applications projects of large accounts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRennes, FranceHQ recorded Nov 6, 202611-5065 contacts →

Exact match

“LIKSI est une société de développement logiciel, basée à Rennes et Nantes fondée par 4 ingénieurs passionnés et offrant une haute qualité de service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchParis, FranceHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Diggers est un cabinet de conseil facilitateur de projets et de transformations, spécialisé dans les métiers de l'IT (développement, data & IA, devops, cloud) et une agence de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchToulouse, FranceHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Désirade est une entreprise de services du numérique spécialisée dans les petites applications depuis 27 ans à Toulouse et Lyon.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNeuilly-sur-seine, FranceHQ recorded Nov 6, 2026201-50059 contacts →

Exact match

“Les experts de la production informatique ADELIUS est une société de services et de prestations intellectuelles.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchVersailles, FranceHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Bilog SAS est une ESN basée à Versailles qui, forte de ses plus de 530 projets réalisés (à l'été 2016), propose aux éditeurs de logiciels et aux ETI, des compétences dans la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchValence, FranceHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“Chez Elipce Solutions, nous concevons, déployons et maintenons des solutions logicielles adaptées à vos enjeux spécifiques, qu'il s'agisse d'outils internes dans tous les…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRennes, FranceHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“SpikeeLabs travaille auprès de ses clients sur la conception et la réalisation de leur système d’information.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLa Roche-sur-yon, FranceHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Le GroupeFBO est l'un des leaders du développement informatique en Vendée.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSaran, FranceHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“iGM est une SSII créée en 1993 située à Saran dans l'agglomération orléanaise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSchiltigheim, FranceHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Qui sommes-nous?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBordeaux, FranceHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Société de services à taille humaine et en pleine progression.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 598 application development outsourcers based in France

See the full list, filter by size, metro and specialty, and access 1,970 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Application development outsourcers based in France at a glance

As of Nov 6, 2026
33.6%Verified-email coverage
9.8Average contacts per company
1-10Median size (employees)
24.1%Largest-city concentration · Paris
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
398
11-50
142
51-200
41
201-500
6
501-1,000
3
1,001-5,000
2

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 598 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 “application development outsourcers” 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 1,970 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 November 6, 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.

Application development outsourcers by metro

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 “application development outsourcers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many application development outsourcers are there based in France?

RevenueBase identified 598 company matches for application development outsourcers associated with France as of November 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?

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

Which city has the most application development outsourcers?

Paris leads with 144 company records, followed by Lyon (19) and Toulouse (16).

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 1,970 professional contacts with verified work emails tracked across these 598 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 November 6, 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.