Company lists · Data refreshed September 2026

Top 25 SaaS application development companies based in France

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

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 703 companies tracked

RevenueBase identified 703 SaaS application development companies headquartered in France as of September 2026 and tracks 4,198 professional contacts across them, including 1,468 with verified work emails and 155 with mobile numbers. Paris is the largest hub.

This list covers SaaS application development companies headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 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 HQ checked on every row Match evidence on every row Refreshed Sep 6, 2026 86% judged on-target in blind review

703Companies

4,198Contacts tracked

1,468Verified emails

155Mobile numbers

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The 25 largest SaaS application development companies based in France

Ranked by team size

Top 25 of 703 SaaS application development companies based in France, ranked by team size, largest first. Data refreshed Sep 6, 2026. Evidence rates how directly each company's own description names SaaS application development companies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	AvanquestIndirect evidence	Courbevoie, FranceHQ checked Sep 6, 2026	201-500	315
	“At Avanquest, we develop software that makes digital simpler, smarter and more useful.” Source: company website · checked Sep 6, 2026
2	XELYAPartial evidence	Saint-cloud, FranceHQ checked Sep 6, 2026	201-500	224
	“Editeur de logiciels métiers SaaS, nous fournissons des solutions technologiques innovantes, du conseil et de la formation pour dompter la complexité du métier de nos clients.” Source: company website · checked Sep 6, 2026
3	CastelisIndirect evidence	Ivry Sur Seine, FranceHQ checked Sep 6, 2026	51-200	97
	“Castelis, c'est l'histoire d'une entreprise en croissance continue.” Source: company website · checked Sep 6, 2026
4	4shIndirect evidence	Le Haillan, FranceHQ checked Sep 6, 2026	51-200	85
	“4SH est une entreprise de services du numérique.” Source: company website · checked Sep 6, 2026
5	SERLIIndirect evidence	Chasseneuil-du-poitou, FranceHQ checked Sep 6, 2026	51-200	78
	“If you’re looking for a team who are up to the challenges of your project, you found it!” Source: company website · checked Sep 6, 2026
6	DésiradePartial evidence	Toulouse, FranceHQ checked Sep 6, 2026	51-200	66
	“Désirade est une entreprise de services du numérique spécialisée dans les petites applications depuis 27 ans à Toulouse et Lyon.” Source: company website · checked Sep 6, 2026
7	BILOGIndirect evidence	Versailles, FranceHQ checked Sep 6, 2026	51-200	51
	“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…” Source: company website · checked Sep 6, 2026
8	SteamuloIndirect evidence	Paris, FranceHQ checked Sep 6, 2026	11-50	49
	“STEAMULO - Digital & IA Factory STEAMULO est une équipe d’experts techniques apportant des solutions innovantes aux problématiques web, mobile & IA de ses clients.” Source: company website · checked Sep 6, 2026
9	code.storeIndirect evidence	Paris, FranceHQ checked Sep 6, 2026	51-200	47
	“code.store designs and builds custom software with AI at every step, from specs to production: ERPs, CMS and media platforms, insurance and mobile apps.” Source: company website · checked Sep 6, 2026
10	CaplaserIndirect evidence	Castres, FranceHQ checked Sep 6, 2026	51-200	47
	“Intégrateur local et régional de solutions informatiques innovantes en région Occitanie et Nouvelle Aquitaine.” Source: company website · checked Sep 6, 2026
11	Elipce Solutions, Votre Spécialiste Logiciel & DataIndirect evidence	Valence, FranceHQ checked Sep 6, 2026	11-50	47
	“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…” Source: company website · checked Sep 6, 2026
12	PoyesisIndirect evidence	Paris, FranceHQ checked Sep 6, 2026	11-50	36
	“Poyesis est une agence digitale spécialisée dans la conception et le développement de solutions web, mobiles et IA sur mesure.” Source: company website · checked Sep 6, 2026
13	ITS FutureIndirect evidence	Schiltigheim, FranceHQ checked Sep 6, 2026	11-50	35
	“Qui sommes-nous?” Source: company website · checked Sep 6, 2026
14	DotsafeIndirect evidence	Bordeaux, FranceHQ checked Sep 6, 2026	11-50	34
	“Société de services à taille humaine et en pleine progression.” Source: company website · checked Sep 6, 2026
15	ALOPartial evidence	Salouël, FranceHQ checked Sep 6, 2026	n/a	34
	“Avoir un logiciel sur mesure performant est l’un des facteurs de réussite pour votre entreprise, pour cette raison la sélection d’une application de gestion est une opération…” Source: company website · checked Sep 6, 2026
16	ÉnéancePartial evidence	Paris, FranceHQ checked Sep 6, 2026	11-50	31
	“Nous sommes Énéance, spécialiste de la conception et du développement d’applications web et mobiles sur mesure.” Source: company website · checked Sep 6, 2026
17	PITIndirect evidence	Lille, FranceHQ checked Sep 6, 2026	11-50	30
	“Pit est une ESN lilloise, créée en 2015 (anciennement Progress‑IT), composée de développeurs, product managers et Scrum Masters.” Source: company website · checked Sep 6, 2026
18	DIMSIIndirect evidence	Asnières-sur-seine, FranceHQ checked Sep 6, 2026	11-50	28
	“Au service de ses clients depuis 17 ans, DIMSI conçoit et met en œuvre des solutions informatiques innovantes et performantes adaptées aux besoins de ses clients.” Source: company website · checked Sep 6, 2026
19	FTELPartial evidence	Rouen, FranceHQ checked Sep 6, 2026	11-50	25
	“Agence d'édition de logiciels web & mobile depuis Réalisation sur mesure de vos applications web & mobile.” Source: company website · checked Sep 6, 2026
20	MEEDZIndirect evidence	Lille, FranceHQ checked Sep 6, 2026	11-50	24
	“Meedz est une entreprise spécialisée dans la création d’outils numériques innovants.” Source: company website · checked Sep 6, 2026
21	TekowayPartial evidence	Marseille, FranceHQ checked Sep 6, 2026	11-50	24
	“Tekoway is a full-stack technology company, that accompanies you on all your digital projects: web applications, mobile applications, or business tools.” Source: company website · checked Sep 6, 2026
22	ExfabricaIndirect evidence	Éguilles, FranceHQ checked Sep 6, 2026	11-50	24
	“Nous nous concentrons sur la création et l'exploitation de solutions IT sur-mesure.” Source: company website · checked Sep 6, 2026
23	DevmachineIndirect evidence	Cesson-sévigné, FranceHQ checked Sep 6, 2026	11-50	22
	“DEVmachine est une agence de développement logiciel.” Source: company website · checked Sep 6, 2026
24	JetdevIndirect evidence	Villeneuve-d'ascq, FranceHQ checked Sep 6, 2026	11-50	22
	“On sait ce qu’on fait, et on le fait bien.” Nous combinons création de logiciels, consulting en lancement de produits, services numériques (ESN) et développement de systèmes…” Source: company website · checked Sep 6, 2026
25	EvodevPartial evidence	Paris, FranceHQ checked Sep 6, 2026	1-10	22
	“L’équipe Evodev vous aide à passer de l'idée à la web-app en un Que vous ayez un projet de marketplace, CRM, SaaS ou encore de réseau social, nous le développons pour vous en 6…” Source: company website · checked Sep 6, 2026

Showing 25 of 703 SaaS application development companies based in France

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SaaS application development companies based in France at a glance

As of Sep 6, 2026

1-10Median size (employees)

ParisLargest hub · 140 HQs

155Contacts with mobile numbers

Sep 6, 2026Data refreshed

Companies by employee count

1-10

570

11-50

115

51-200

201-500

Verified emails by last verification

0–30

1,374

31–60

61–90

90–180

180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among SaaS application development companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

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: Companies headquartered in France whose own description of what they do matches “SaaS application development companies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among SaaS application development companies, and records with no verified work email. Companies headquartered outside France are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,468 across the full list. 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 6, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

SaaS application development companies by metro

SaaS application development companies in Paris140
SaaS application development companies in Lyon29

Frequently asked

How many SaaS application development companies are there based in France?

RevenueBase identified 703 SaaS application development companies headquartered in France as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Avanquest, headquartered in Courbevoie, tops this list with the largest team on record.

Which city has the most SaaS application development companies?

Paris leads with 140 headquartered companies, followed by Lyon (29) and Toulouse (22).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,468 verified decision-maker contacts tracked across these 703 companies.

How current is this list?

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