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, how directly it supports the match, 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 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 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. Evidence rates how directly each company's own description names iot software developers: 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	Kaizen Solutions KZSIndirect evidence	Montbonnot-saint-martin, FranceHQ checked Sep 4, 2026	201-500	268
	“Nous sommes une ESN (entreprise de services numériques) spécialisée dans la conception, le développement et la maintenabilité de solutions informatiques, techniques et…” Source: company website · checked Sep 4, 2026
2	IT Link GroupIndirect evidence	FranceHQ checked Sep 4, 2026	501-1,000	93
	“IT Link, the first digital services company specialized in Connected Systems.” Source: company website · checked Sep 4, 2026
3	MicroejStrong evidence	Nantes, FranceHQ checked Sep 4, 2026	51-200	50
	“MicroEJ is a software vendor of cost-driven solutions for embedded and IoT devices.” Source: company website · checked Sep 4, 2026
4	Fives CortxIndirect evidence	Vénissieux, FranceHQ checked Sep 4, 2026	11-50	49
	“Fives CortX est un éditeur reconnu dans le secteur du digitale a destination des industries de production.” Source: company website · checked Sep 4, 2026
5	UBI Solutions GroupPartial evidence	Gennevilliers, FranceHQ checked Sep 4, 2026	51-200	46
	“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: company website · checked Sep 4, 2026
6	SYNOXPartial evidence	Castelnau-Le-Lez, FranceHQ checked Sep 4, 2026	11-50	45
	“Synox is a French IoT solutions provider.” Source: company website · checked Sep 4, 2026
7	EGMIndirect evidence	Valbonne, FranceHQ checked Sep 4, 2026	11-50	34
	“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: company website · checked Sep 4, 2026
8	Groupe M.W.S.CIndirect evidence	Montpellier, FranceHQ checked Sep 4, 2026	11-50	32
	“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: company website · checked Sep 4, 2026
9	EwattchIndirect evidence	Saint-die Des Vosges, FranceHQ checked Sep 4, 2026	11-50	28
	“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: company website · checked Sep 4, 2026
10	Four DataPartial evidence	Dijon, FranceHQ checked Sep 4, 2026	11-50	27
	“Four Data: Mit IoT-Lösungen die Industrie verändern!” Source: company website · checked Sep 4, 2026
11	PryntecIndirect evidence	Meursault Corpeau, FranceHQ checked Sep 4, 2026	51-200	26
	“PRYNTEC accompagne les entreprises dans leur transformation numérique en leur offrant des solutions technologiques sur mesure.” Source: company website · checked Sep 4, 2026
12	Iothink SolutionsStrong evidence	FranceHQ checked Sep 4, 2026	11-50	20
	“IoThink Solutions is an international software editor specialized in IoT/M2M platforms and expert in integration.” Source: company website · checked Sep 4, 2026
13	WiiforPartial evidence	Toulouse, FranceHQ checked Sep 4, 2026	11-50	20
	“Nous sommes à la fois fournisseur, intégrateur de solutions connectées et concepteur de produits IoT dans notre bureau d'études.” Source: company website · checked Sep 4, 2026
14	Ob'doIndirect evidence	Colombelles, FranceHQ checked Sep 4, 2026	11-50	18
	“Créée en 2013, Ob’dO est un bureau d’études spécialisé dans le domaine de l’ingénierie des systèmes embarqués.” Source: company website · checked Sep 4, 2026
15	DotvisionPartial evidence	Moissy Cramayel, FranceHQ checked Sep 4, 2026	11-50	15
	“DotVision, votre partenaire privilégié dans l’univers de l’IoT, de la data et de l’IA on Edge.” Source: company website · checked Sep 4, 2026
16	SRETTPartial evidence	Boulogne-Billancourt, FranceHQ checked Sep 4, 2026	11-50	15
	“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: company website · checked Sep 4, 2026
17	Atim RadiocommunicationIndirect evidence	Villard-De-Lans, FranceHQ checked Sep 4, 2026	11-50	12
	“ATIM is the industry leading designer-manufacturer of systems that unleash the power of the Industrial Internet of Things.” Source: company website · checked Sep 4, 2026
18	XPERTIndirect evidence	FranceHQ checked Sep 4, 2026	11-50	12
	“Fondée en 2021, XPERT se consacre à repousser les limites technologiques dans les environnements les plus exigeants.” Source: company website · checked Sep 4, 2026
19	visuelconcept.comIndirect evidence	Saint-Priest, FranceHQ checked Sep 4, 2026	11-50	12
	“Depuis sa création en 1994, Visuel Concept propose à ses clients industriels des solutions informatiques innovantes.” Source: company website · checked Sep 4, 2026
20	DataprintPartial evidence	Biarritz, FranceHQ checked Sep 4, 2026	11-50	12
	“DataPrint specializes in providing advanced Internet of Things (IoT) solutions for smart cities and energy efficiency.” Source: company website · checked Sep 4, 2026
21	OverspeedPartial evidence	Rouen, FranceHQ checked Sep 4, 2026	11-50	12
	“Conception et développement de solutions électroniques connectées & IoT/ Technology design company Depuis 2004 Overspeed élabore des solutions électroniques innovantes pour le…” Source: company website · checked Sep 4, 2026
22	Full Electronic SystemIndirect evidence	Echirolles, FranceHQ checked Sep 4, 2026	11-50	11
	“Créateurs de systèmes embarqués et objets connectés, FULL ELECTRONIC SYSTEM conçoit et développe des solutions en électronique, logiciels et applications.” Source: company website · checked Sep 4, 2026
23	DdruidPartial evidence	Strasbourg, FranceHQ checked Sep 4, 2026	11-50	11
	“Les projets IoT vous semblent trop complexes, coûteux, voire hors de portée pour votre entreprise?” Source: company website · checked Sep 4, 2026
24	TallyosPartial evidence	Metz, FranceHQ checked Sep 4, 2026	1-10	10
	“Tallyos is specialized in the design and development of IoT solutions dedicated to performance optimization in various sectors.” Source: company website · checked Sep 4, 2026
25	Tekin SASIndirect evidence	Joue Les Tours, FranceHQ checked Sep 4, 2026	1-10	10
	“TEKiN est société d'ingénierie spécialisée dans la conception de solutions connectées.” Source: company website · checked Sep 4, 2026

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

1-10Median size (employees)

ParisLargest hub · 13 HQs

101Contacts with mobile numbers

Sep 4, 2026Data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Verified emails by last verification

0–30

31–60

61–90

390

90–180

265

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 iot software developers, 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 “iot software developers”. 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 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 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, 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

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 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.