Company lists · Data refreshed September 2026

Top 25 Iot software developers based in France

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

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 148 companies tracked

RevenueBase identified 148 iot software developers headquartered in France as of September 2026 and tracks 5,046 professional contacts across them, including 706 with verified work emails and 101 with mobile numbers. Paris is the largest hub.

This list covers iot software developers 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 4, 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 4, 2026 86% judged on-target in blind review

148Companies

5,046Contacts tracked

706Verified emails

101Mobile numbers

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The 25 largest iot software developers based in France

Ranked by team size

Top 25 of 148 iot software developers based in France, ranked by team size, largest first. Data refreshed Sep 4, 2026. RevenueBase Smart Search rates how each company's information relates to iot software developers: 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	Kaizen Solutions KZS	Indirect evidence	Montbonnot-saint-martin, FranceHQ checked Sep 4, 2026	201-500	268 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 4, 2026
2	IT Link Group	Indirect evidence	FranceHQ checked Sep 4, 2026	501-1,000	93 contacts →
	Indirect evidence “IT Link, the first digital services company specialized in Connected Systems.” Source: RevenueBase Database · checked Sep 4, 2026
3	Microej	Strong evidence	Nantes, FranceHQ checked Sep 4, 2026	51-200	50 contacts →
	Strong evidence “MicroEJ is a software vendor of cost-driven solutions for embedded and IoT devices.” Source: RevenueBase Database · checked Sep 4, 2026
4	Fives Cortx	Indirect evidence	Vénissieux, FranceHQ checked Sep 4, 2026	11-50	49 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 4, 2026
5	UBI Solutions Group	Partial evidence	Gennevilliers, FranceHQ checked Sep 4, 2026	51-200	46 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 4, 2026
6	SYNOX	Partial evidence	Castelnau-Le-Lez, FranceHQ checked Sep 4, 2026	11-50	45 contacts →
	Partial evidence “Synox is a French IoT solutions provider.” Source: RevenueBase Database · checked Sep 4, 2026
7	EGM	Indirect evidence	Valbonne, FranceHQ checked Sep 4, 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 4, 2026
8	Groupe M.W.S.C	Indirect evidence	Montpellier, FranceHQ checked Sep 4, 2026	11-50	32 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 4, 2026
9	Ewattch	Indirect evidence	Saint-die Des Vosges, FranceHQ checked Sep 4, 2026	11-50	28 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 4, 2026
10	Four Data	Partial evidence	Dijon, FranceHQ checked Sep 4, 2026	11-50	27 contacts →
	Partial evidence “Four Data: Mit IoT-Lösungen die Industrie verändern!” Source: RevenueBase Database · checked Sep 4, 2026
11	Pryntec	Indirect evidence	Meursault Corpeau, FranceHQ checked Sep 4, 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 4, 2026
12	Iothink Solutions	Strong evidence	FranceHQ checked Sep 4, 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 4, 2026
13	Wiifor	Partial evidence	Toulouse, FranceHQ checked Sep 4, 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 4, 2026
14	Ob'do	Indirect evidence	Colombelles, FranceHQ checked Sep 4, 2026	11-50	18 contacts →
	Indirect evidence “Créée en 2013, Ob’dO est un bureau d’études spécialisé dans le domaine de l’ingénierie des systèmes embarqués.” Source: RevenueBase Database · checked Sep 4, 2026
15	Dotvision	Partial evidence	Moissy Cramayel, FranceHQ checked Sep 4, 2026	11-50	15 contacts →
	Partial evidence “DotVision, votre partenaire privilégié dans l’univers de l’IoT, de la data et de l’IA on Edge.” Source: RevenueBase Database · checked Sep 4, 2026
16	SRETT	Partial evidence	Boulogne-Billancourt, FranceHQ checked Sep 4, 2026	11-50	15 contacts →
	Partial evidence “SRETT leverages the innovative technologies of the Internet of Things (IoT)- connected objects, IT security, cloud computing (SaaS and PaaS) and data analytics - to provide secure…” Source: RevenueBase Database · checked Sep 4, 2026
17	Atim Radiocommunication	Indirect evidence	Villard-De-Lans, FranceHQ checked Sep 4, 2026	11-50	12 contacts →
	Indirect evidence “ATIM is the industry leading designer-manufacturer of systems that unleash the power of the Industrial Internet of Things.” Source: RevenueBase Database · checked Sep 4, 2026
18	XPERT	Indirect evidence	FranceHQ checked Sep 4, 2026	11-50	12 contacts →
	Indirect evidence “Fondée en 2021, XPERT se consacre à repousser les limites technologiques dans les environnements les plus exigeants.” Source: RevenueBase Database · checked Sep 4, 2026
19	visuelconcept.com	Indirect evidence	Saint-Priest, FranceHQ checked Sep 4, 2026	11-50	12 contacts →
	Indirect evidence “Depuis sa création en 1994, Visuel Concept propose à ses clients industriels des solutions informatiques innovantes.” Source: RevenueBase Database · checked Sep 4, 2026
20	Dataprint	Partial evidence	Biarritz, FranceHQ checked Sep 4, 2026	11-50	12 contacts →
	Partial evidence “DataPrint specializes in providing advanced Internet of Things (IoT) solutions for smart cities and energy efficiency.” Source: RevenueBase Database · checked Sep 4, 2026
21	Overspeed	Partial evidence	Rouen, FranceHQ checked Sep 4, 2026	11-50	12 contacts →
	Partial evidence “Conception et développement de solutions électroniques connectées & IoT/ Technology design company Depuis 2004 Overspeed élabore des solutions électroniques innovantes pour le…” Source: RevenueBase Database · checked Sep 4, 2026
22	Full Electronic System	Indirect evidence	Echirolles, FranceHQ checked Sep 4, 2026	11-50	11 contacts →
	Indirect evidence “Créateurs de systèmes embarqués et objets connectés, FULL ELECTRONIC SYSTEM conçoit et développe des solutions en électronique, logiciels et applications.” Source: RevenueBase Database · checked Sep 4, 2026
23	Ddruid	Partial evidence	Strasbourg, FranceHQ checked Sep 4, 2026	11-50	11 contacts →
	Partial evidence “Les projets IoT vous semblent trop complexes, coûteux, voire hors de portée pour votre entreprise?” Source: RevenueBase Database · checked Sep 4, 2026
24	Tallyos	Partial evidence	Metz, FranceHQ checked Sep 4, 2026	1-10	10 contacts →
	Partial evidence “Tallyos is specialized in the design and development of IoT solutions dedicated to performance optimization in various sectors.” Source: RevenueBase Database · checked Sep 4, 2026
25	Tekin SAS	Indirect evidence	Joue Les Tours, FranceHQ checked Sep 4, 2026	1-10	10 contacts →
	Indirect evidence “TEKiN est société d'ingénierie spécialisée dans la conception de solutions connectées.” Source: RevenueBase Database · checked Sep 4, 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 developers. 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 developers.
Partial evidence: Its own public description names part of iot software developers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name iot software developers. 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 148 iot software developers based in France

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Iot software developers based in France at a glance

As of Sep 4, 2026

14.0%Verified-email coverage

2.0%Mobile-number coverage

34.1Average contacts per company

1-10Median size (employees)

8.8%Largest-city concentration · Paris

Sep 4, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

4631–60

39061–90

26590–180

5180+

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 developers, 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 developers”. 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 developers), 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 developers, 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, 706 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 4, 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.

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 developers, 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 developers are there based in France?

RevenueBase identified 148 iot software developers 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?

Kaizen Solutions KZS, headquartered in Paris, tops this list with the largest team on record.

Which city has the most iot software developers?

Paris leads with 13 headquartered companies, followed by Lyon (9) and Lille (4).

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 706 verified decision-maker contacts tracked across these 148 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 4, 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.