Company lists · Data refreshed September 2026

Top 25 Bespoke software development companies based in France

Name: Bespoke software development companies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 2,331 companies tracked

RevenueBase identified 2,331 company matches for bespoke software development companies associated with France as of September 2026 and tracks 15,392 professional contacts across them, including 5,271 with verified work emails and 460 with mobile numbers. Paris is the largest hub.

This list covers company matches for bespoke software development companies 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 23, 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 23, 2026 How this list was built

2,331Companies

15,392Contacts tracked

5,271Verified emails

460Mobile numbers

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The 25 largest bespoke software development companies based in France

Ranked by team size

Top 25 of 2,331 company matches for bespoke software development companies based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SFEIR	Exact match	Neuilly-sur-seine, FranceHQ recorded Sep 23, 2026	501-1,000	904 contacts →
	Exact match “SFEIR est une Société d’expertise spécialisée dans le développement d’applications sous toutes leurs formes ( web, mobile, IOT, cloud, data, etc.).” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	CELAD	Exact match	Toulouse, FranceHQ recorded Sep 23, 2026	1,001-5,000	570 contacts →
	Exact match “Consulting and Engineering in innovative technology Celad is a global software engineering company with over 1200 engineers.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	Sully Group	Exact match	Saint-priest, FranceHQ recorded Sep 23, 2026	501-1,000	560 contacts →
	Exact match “Sully Group : Working together to create a useful and sustainable digital environment > 1 global digital services offering: Business Applications, Mobile Applications…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Kaizen Solutions KZS	Exact match	Montbonnot-saint-martin, FranceHQ recorded Sep 23, 2026	201-500	261 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 · Sep 23, 2026 · View company records in RevenueBase
5	Avisto	Exact match	Valbonne, FranceHQ recorded Sep 23, 2026	201-500	226 contacts →
	Exact match “The software development: your passion, our profession.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Takima	Exact match	Bagneux, FranceHQ recorded Sep 23, 2026	51-200	222 contacts →
	Exact match “Whether dealing with Opensource, B2B, B2C mobile apps, intranets or HA infrastructures, the same approach remains: Understanding the context, qualifying the use case, determining…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	AXYUS	Exact match	Issy-les-moulineaux, FranceHQ recorded Sep 23, 2026	51-200	170 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 · Sep 23, 2026 · View company records in RevenueBase
8	Omnilog	Exact match	Boulogne-billancourt, FranceHQ recorded Sep 23, 2026	201-500	139 contacts →
	Exact match “Nos mots-clés :#Médias,#Technos,#Convivialité Plus qu'une SSII, Omnilog est une équipe de 300 ingénieurs spécialisés dans le développement web et mobile et les technologies.NET…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	SCUB	Exact match	Angoulême, FranceHQ recorded Sep 23, 2026	51-200	127 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 · Sep 23, 2026 · View company records in RevenueBase
10	IS Technologies	Exact match	Courbevoie Cedex, FranceHQ recorded Sep 23, 2026	n/a	127 contacts →
	Exact match “IS Technologies est une société de conseils et de services en informatique basée à La Défense.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	Spark-It	Exact match	La Défense 5, FranceHQ recorded Sep 23, 2026	51-200	105 contacts →
	Exact match “Spark-it is an expert in software architecture.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	Castelis	Exact match	Ivry Sur Seine, FranceHQ recorded Sep 23, 2026	51-200	97 contacts →
	Exact match “Castelis, c'est l'histoire d'une entreprise en croissance continue.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Nextoo	Exact match	Roubaix, FranceHQ recorded Sep 23, 2026	51-200	95 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 · Sep 23, 2026 · View company records in RevenueBase
14	Toshiba Centre Grand Ouest	Exact match	Sotteville-lès-rouen, FranceHQ recorded Sep 23, 2026	51-200	95 contacts →
	Exact match “Toshiba Centre Grand Ouest met sa passion de l'innovation au service de ses clients en proposant des solutions à la pointe de la technologie, utiles à la vie des entreprises…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	The Codingmachine	Exact match	Paris, FranceHQ recorded Sep 23, 2026	51-200	93 contacts →
	Exact match “The Coding Machine is an IT company that provides bespoke web & mobile development.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	6tm	Exact match	Rennes, FranceHQ recorded Sep 23, 2026	51-200	91 contacts →
	Exact match “6TM accompagne ses clients vers un monde toujours plus communicant grâce à ses solutions web, mobiles et logiciels.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	4sh	Exact match	Le Haillan, FranceHQ recorded Sep 23, 2026	51-200	85 contacts →
	Exact match “4SH est une entreprise de services du numérique.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	Esokia	Exact match	Neuilly-sur-seine, FranceHQ recorded Sep 23, 2026	51-200	82 contacts →
	Exact match “Esokia is an international digital production group specializing in the design, development, maintenance and hosting of websites, e-commerce, intranet, portal, extranet, business…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	SERLI	Exact match	Chasseneuil-du-poitou, FranceHQ recorded Sep 23, 2026	51-200	78 contacts →
	Exact match “If you’re looking for a team who are up to the challenges of your project, you found it!” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Bocasay	Exact match	Neuilly-sur-seine, FranceHQ recorded Sep 23, 2026	51-200	75 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 · Sep 23, 2026 · View company records in RevenueBase
21	Thetribe	Exact match	Nantes, FranceHQ recorded Sep 23, 2026	51-200	71 contacts →
	Exact match “En 2025, theTribe célèbre 10 ans d’expertise dans le développement de solutions numériques sur-mesure.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Exomind	Exact match	Boulogne-billancourt, FranceHQ recorded Sep 23, 2026	51-200	69 contacts →
	Exact match “EXOMIND est une agence de conseil spécialisée dans la conception et le développement d'applications mobiles et plateformes web.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Ipanova	Exact match	Blagnac, FranceHQ recorded Sep 23, 2026	51-200	66 contacts →
	Exact match “IPANOVA a pour mission de développer des solutions informatiques innovantes et adaptées aux besoins de nos clients, tout en favorisant une approche collaborative et inclusive.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Désirade	Exact match	Toulouse, FranceHQ recorded Sep 23, 2026	51-200	66 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 · Sep 23, 2026 · View company records in RevenueBase
25	Ipsosenso	Exact match	Paris, FranceHQ recorded Sep 23, 2026	51-200	64 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 · Sep 23, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “bespoke software development companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 2,331 bespoke software development companies based in France

See the full list, filter by size, metro and specialty, and access 5,271 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Bespoke software development companies based in France at a glance

As of Sep 23, 2026

34.2%Verified-email coverage

3.0%Mobile-number coverage

6.6Average contacts per company

1-10Median size (employees)

18.8%Largest-city concentration · Paris

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

1,868

11-50

388

51-200

201-500

501-1,000

1,001-5,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 25.0d

4,0590–30

1,13631–60

5361–90

290–180

21180+

Company record updated

Median 79.0d

00–30

5,28131–60

6,15861–90

3,13690–180

817180+

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 “bespoke software development companies” 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 5,271 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 23, 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.

Bespoke software development companies 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 “bespoke software development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many bespoke software development companies are there based in France?

RevenueBase identified 2,331 company matches for bespoke software development companies 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?

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

Which city has the most bespoke software development companies?

Paris leads with 438 company records, followed by Lyon (92) and Toulouse (58).

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 5,271 professional contacts with verified work emails tracked across these 2,331 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 23, 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.