Company lists · Data refreshed September 2026

Top 25 Iot software development services based in France

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 287 companies tracked

RevenueBase identified 287 iot software development services headquartered in France as of September 2026 and tracks 6,229 professional contacts across them, including 1,147 with verified work emails. Paris is the largest hub.

This list covers iot software development services 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

287Companies

6,229Contacts tracked

1,147Verified emails

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The 25 largest iot software development services based in France

Ranked by team size

Top 25 of 287 iot software development services based in France, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to iot software development services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	CELAD	Partial evidence	Toulouse, FranceHQ checked Sep 28, 2026	1,001-5,000	570 contacts →
	Partial evidence “Consulting and Engineering in innovative technology Celad is a global software engineering company with over 1200 engineers.” Source: RevenueBase Database · checked Sep 28, 2026
2	Kaizen Solutions KZS	Indirect evidence	Montbonnot-saint-martin, FranceHQ checked Sep 28, 2026	201-500	261 contacts →
	Indirect evidence “Nous sommes une ESN (entreprise de services numériques) spécialisée dans la conception, le développement et la maintenabilité de solutions informatiques, techniques et…” Source: RevenueBase Database · checked Sep 28, 2026
3	IT Link Group	Indirect evidence	FranceHQ checked Sep 28, 2026	501-1,000	90 contacts →
	Indirect evidence “IT Link, the first digital services company specialized in Connected Systems.” Source: RevenueBase Database · checked Sep 28, 2026
4	Elephant Technologies	Indirect evidence	Nantes, FranceHQ checked Sep 28, 2026	51-200	64 contacts →
	Indirect evidence “Nous sommes une ESN experte, engagée et résolument humaine.” Source: RevenueBase Database · checked Sep 28, 2026
5	Nexess	Partial evidence	Valbonne, FranceHQ checked Sep 28, 2026	51-200	60 contacts →
	Partial evidence “Capitalizing 17 years of experience in Energy, Aerospace, Oil & Gaz fields, Nexess provides turnkey IOT solutions and supports its customers on their major digital transformation…” Source: RevenueBase Database · checked Sep 28, 2026
6	Vxplore Technologies	Indirect evidence	Paris, FranceHQ checked Sep 28, 2026	11-50	52 contacts →
	Indirect evidence “At Vxplore Technologies, innovation remains at the center of our existence.” Source: RevenueBase Database · checked Sep 28, 2026
7	Steamulo	Indirect evidence	Paris, FranceHQ checked Sep 28, 2026	11-50	49 contacts →
	Indirect evidence “STEAMULO - Digital & IA Factory STEAMULO est une équipe d’experts techniques apportant des solutions innovantes aux problématiques web, mobile & IA de ses clients.” Source: RevenueBase Database · checked Sep 28, 2026
8	Fives Cortx	Indirect evidence	Vénissieux, FranceHQ checked Sep 28, 2026	11-50	47 contacts →
	Indirect evidence “Fives CortX est un éditeur reconnu dans le secteur du digitale a destination des industries de production.” Source: RevenueBase Database · checked Sep 28, 2026
9	Elipce Solutions, Votre Spécialiste Logiciel & Data	Indirect evidence	Valence, FranceHQ checked Sep 28, 2026	11-50	47 contacts →
	Indirect evidence “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: RevenueBase Database · checked Sep 28, 2026
10	SYNOX	Partial evidence	Castelnau-le-lez, FranceHQ checked Sep 28, 2026	11-50	45 contacts →
	Partial evidence “Synox is a French IoT solutions provider.” Source: RevenueBase Database · checked Sep 28, 2026
11	UBI Solutions Group	Partial evidence	Gennevilliers, FranceHQ checked Sep 28, 2026	51-200	44 contacts →
	Partial evidence “UBI Solutions – European leader in RFID, IoT, geolocation, and industrial digitalization 900+ projects \| Present in 40+ countries \| 30% of revenue invested in innovation We help…” Source: RevenueBase Database · checked Sep 28, 2026
12	Groupefbo	Indirect evidence	La Roche-sur-yon, FranceHQ checked Sep 28, 2026	11-50	42 contacts →
	Indirect evidence “Le GroupeFBO est l'un des leaders du développement informatique en Vendée.” Source: RevenueBase Database · checked Sep 28, 2026
13	Estel Numerique	Indirect evidence	Malzéville, FranceHQ checked Sep 28, 2026	11-50	35 contacts →
	Indirect evidence “Estel est une société de services numériques innovante développant notamment l’ensemble des logiciels et applicatifs métiers Agritech, Santé, Collectivités et PME.” Source: RevenueBase Database · checked Sep 28, 2026
14	Adeunis	Partial evidence	Crolles, FranceHQ checked Sep 28, 2026	51-200	34 contacts →
	Partial evidence “Adeunis is a specialist in IoT solutions for Smart Buildings.” Source: RevenueBase Database · checked Sep 28, 2026
15	EGM	Indirect evidence	Valbonne, FranceHQ checked Sep 28, 2026	11-50	34 contacts →
	Indirect evidence “EGM is a technical and scientific engineering company offering its services to public authorities and Business entering the complex world of the data exploitation.” Source: RevenueBase Database · checked Sep 28, 2026
16	Agixis	Partial evidence	Villeurbanne, FranceHQ checked Sep 28, 2026	51-200	33 contacts →
	Partial evidence “Agixis est une société de conseil et d’expertise IT, spécialisée dans le domaine de la santé, de l'IoT et de la transformation digitale.” Source: RevenueBase Database · checked Sep 28, 2026
17	Groupe M.W.S.C	Indirect evidence	Montpellier, FranceHQ checked Sep 28, 2026	11-50	33 contacts →
	Indirect evidence “Imaginez… Des #solutions qui vous permettent de réduire vos coûts, gagner en #productivité, fournir à distance des services de qualité et sécurisés comme si vous étiez sur le…” Source: RevenueBase Database · checked Sep 28, 2026
18	Ewattch	Indirect evidence	Saint-die Des Vosges, FranceHQ checked Sep 28, 2026	11-50	29 contacts →
	Indirect evidence “A French company winner of the French Tech Pass, Ewattch designs and offers plug & play, affordable and easy-to-use solutions for Smart Industry and Smart Building Thanks to…” Source: RevenueBase Database · checked Sep 28, 2026
19	Four Data	Partial evidence	Dijon, FranceHQ checked Sep 28, 2026	11-50	27 contacts →
	Partial evidence “Four Data: Mit IoT-Lösungen die Industrie verändern!” Source: RevenueBase Database · checked Sep 28, 2026
20	Theoris SAS	Strong evidence	Paris, FranceHQ checked Sep 28, 2026	11-50	27 contacts →
	Strong evidence “THEORIS is an industry-focused Professional Software Services company that provides 3D/XR and IoT/Embedded cutting-edge turnkey solutions.” Source: RevenueBase Database · checked Sep 28, 2026
21	Pryntec	Indirect evidence	Corpeau, FranceHQ checked Sep 28, 2026	51-200	26 contacts →
	Indirect evidence “PRYNTEC accompagne les entreprises dans leur transformation numérique en leur offrant des solutions technologiques sur mesure.” Source: RevenueBase Database · checked Sep 28, 2026
22	MEG Digital	Indirect evidence	Paris, FranceHQ checked Sep 28, 2026	11-50	20 contacts →
	Indirect evidence “MEG Digital est une ESN innovante qui combine expertise technologique, agilité business et culture entrepreneuriale pour accompagner les entreprises dans leurs projets digitaux…” Source: RevenueBase Database · checked Sep 28, 2026
23	Iothink Solutions	Strong evidence	Cagnes-sur-mer, FranceHQ checked Sep 28, 2026	11-50	20 contacts →
	Strong evidence “IoThink Solutions is an international software editor specialized in IoT/M2M platforms and expert in integration.” Source: RevenueBase Database · checked Sep 28, 2026
24	Wiifor	Partial evidence	Toulouse, FranceHQ checked Sep 28, 2026	11-50	20 contacts →
	Partial evidence “Nous sommes à la fois fournisseur, intégrateur de solutions connectées et concepteur de produits IoT dans notre bureau d'études.” Source: RevenueBase Database · checked Sep 28, 2026
25	Invirtus Technologies	Indirect evidence	Nantes, FranceHQ checked Sep 28, 2026	11-50	20 contacts →
	Indirect evidence “Our project is based on connected objects sending a lot of real-time information.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: iot software development services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names iot software development services.
Partial evidence: Its own public description names part of iot software development services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name iot software development services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 287 iot software development services based in France

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Iot software development services based in France at a glance

As of Sep 28, 2026

18.4%Verified-email coverage

21.7Average contacts per company

1-10Median size (employees)

16.4%Largest-city concentration · Paris

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

193

11-50

51-200

201-500

501-1,000

1,001-5,000

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 287 companies.

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 iot software development services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in France whose own description of what they do matches “iot software development services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names iot software development services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among iot software development services, 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 its RevenueBase Smart Search 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, 1,147 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 28, 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.

Iot software development services by metro

Iot software development services in Paris47

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names iot software development services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many iot software development services are there based in France?

RevenueBase identified 287 iot software development services 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?

CELAD, headquartered in Toulouse, tops this list with the largest team on record.

Which city has the most iot software development services?

Paris leads with 47 headquartered companies, followed by Lyon (14) and Toulouse (10).

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 1,147 verified decision-maker contacts tracked across these 287 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 28, 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 Smart Search, 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.