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List of AI companies in Brittany

Tamtam tracks 27 AI companies headquartered in Brittany. This list ranks all of them by number of employees on LinkedIn, led by CS GROUP, Nextlane and SIB [numérique, santé et secteur public]. Their median headcount is 35. Half of them were founded in 2014 or later. The most common headquarters are Rennes (9) and Cesson-Sévigné (8).

🇫🇷 Brittany27 companiesUpdated Oct 24, 2026
#CompanyIndustryHeadquarters EmployeesFounded
1
CS GROUPcs-soprasteria.com

Designs, builds, deploys, and maintains critical systems with innovative solutions and products, ensuring operational efficiency and security for client missions.

IT Services and IT Consulting 🇫🇷 Le Plessis Robinson 2,968 1968
2
Nextlanenextlane.com

Leading automotive business ecosystem. Providing cutting-edge software solutions. Empowering dealers and manufacturers. Driving business growth. Elevating customer experience.

Software Development 🇫🇷 Paris 686 n/a
3
SIB [numérique, santé et secteur public]sib.fr

Innovative cooperative in digital health and public sector, serving 620+ institutions in modernizing their IT systems with a wide range of services and expertise

IT Services and IT Consulting 🇫🇷 Rennes 499 1993
4
BlueKanGobluekango.com

Offers customizable integrated QHSE software solutions with pre-configured applications, document management, and business intelligence, adaptable to diverse industries and organizational processes.

Software Development 🇫🇷 Cesson-Sévigné 169 1998
5
Sekoiasekoia.com

Building a cyber operations platform for the AI era, unifying threat intelligence, detection, response, and exposure management, making advanced defense accessible.

Computer and Network Security 🇫🇷 Rennes 165 2022
6
Siradelsiradel.com

A digital technology company, part of ENGIE Group, specializing in geodata production, 3D modeling, simulation, and AI for sustainable and digital transformation in various sectors

Software Development 🇫🇷 Saint-Grégoire 150 1994
7
AMIAD - French Agency for AI in Defencedefense.gouv.fr

Accelerate AI integration within the defense ministry to enhance military capabilities and ensure success in future warfare scenarios.

Government Administration 🇫🇷 Bruz 129 2024
8
IDnow Franceidnow.io

The company is a leading European provider of identity verification solutions, aiming to make the digital world safer with a comprehensive range of secure verification methods

IT Services and IT Consulting 🇫🇷 Cesson-Sévigné 119 2014
9
IRT b-comb-com.com

Research and design of future digital technologies focused on responsible innovation and supporting decarbonization with industrial and academic partners.

IT Services and IT Consulting 🇫🇷 Cesson-Sévigné 117 2012
10
LACROIX - Impulselacroix-impulse.com

A solutions provider specializing in accelerating industrial IoT development, offering services from design to manufacturing, IoT projects, and ADAS/AV solutions

Telecommunications 🇫🇷 Cesson-Sévigné 74 n/a
11
GLIMPSglimps.re

A French cybersecurity editor specializing in file analysis and malware detection using a unique technology called GLIMPS Deep Engine

Computer and Network Security 🇫🇷 Cesson-Sévigné 64 2019
12
AMA XpertEyeamaxperteye.com

Global provider of productivity applications for frontline workforce, using assisted Reality and AI for remote support, digitized work instructions, and inspections Promoting sustainability and innovation

Software Development 🇫🇷 Rennes 51 2014
13
Cervvalcervval.com

The company develops interactive simulation tools to replicate complex issues and analyze ecosystems, aiding decision-making processes from various perspectives

Software Development 🇫🇷 Plouzané 48 2003
14
Script&Goscriptandgo.com

Provides mobile applications for capturing, processing, and sharing information to improve productivity and streamline fieldwork operations across industries.

Software Development 🇫🇷 Rennes 35 2011
15
Orikio (ex OSO-AI)oso-ai.com

A deeptech startup in Ambient Intelligence developed a unique AI technology for remote monitoring of healthcare facilities, detecting abnormal sounds to alert caregivers

IT Services and IT Consulting 🇫🇷 Brest 34 2018
16
Biosencybiosency.com

A French medical device company developing smart healthcare solutions, starting with a PPG sensor system for monitoring and preventing respiratory insufficiency

Medical Equipment Manufacturing 🇫🇷 Rennes 30 2017
17
Therenvatherenva.com

Develops advanced imaging software tools for cardiovascular procedures utilizing image processing, deep learning, and biomechanical simulation to assist in endovascular interventions

Software Development 🇫🇷 Rennes 27 2007
18
Océane Consulting Data Managementdm.oceaneconsulting.com

Océane Consulting Data Management is a digital transformation company specializing in document, data, and digital solutions for clients in Europe and the Middle East

IT Services and IT Consulting 🇫🇷 Cesson-Sévigné 26 n/a
19
VeoNumveonum.com

Rennes-based consultancy firm with a human-centric approach, offering tailored training, benefits, and a focus on R&D in AI, machine learning, and video streaming technologies Join our team!

Software Development 🇫🇷 Rennes 25 2018
20
KERMAPkermap.com

Specializes in satellite image processing, geographic information production. Offers decision support, territory monitoring solutions, combining thematic expertise, artificial intelligence, and user-friendliness.

IT Services and IT Consulting 🇫🇷 Cesson-Sévigné 22 2017
21
MOOVENCYmoovency.com

A company founded in 2018 in Rennes specializing in quantifying musculoskeletal risks through innovative solutions and analysis tools

Software Development 🇫🇷 Cesson-Sévigné 20 2018
22
Sensing Visionsensingvision.com

Sensing Vision optimizes building operating costs through non-intrusive, cost-effective measurement solutions, personalized insights, data security, using IoT, AI, cloud, and open data technologies

IT Services and IT Consulting 🇫🇷 Betton 19 2017
23
Voxygenvoxygen.fr

Voxygen specializes in creating unique human-like speech synthesis solutions for personalized brand voices, advancing Voice Assistance and Voice commerce Stand out with your Brand Voice!

Software Development 🇫🇷 Pleumeur-Bodou 14 2011
24
Semsoft | LESTR solutionlestr.app

A French technology company specializing in data fusion and artificial intelligence, focusing on trade risk intelligence software to combat criminal activity in international trade

Technology, Information and Internet 🇫🇷 Rennes 14 2009
25
Keynum.aikeynum.ai

Specialized in developing quantitative investment strategies using artificial intelligence and allocation algorithms to achieve sustainable risk-adjusted returns for clients worldwide

Data Infrastructure and Analytics 🇫🇷 Le Rheu 8 2017
26
Energiency by epsaenergiency.com

Innovative industrial energy performance analytics software combining big data, cloud, and AI to help manufacturing companies achieve up to 20% energy savings without Capex

Software Development 🇫🇷 Rennes 6 2013
27
BlueKanGo Internationalbluekango.com

Global provider of software solutions for quality, health, safety, and environment management helping organizations digitize processes to improve employee safety and sustainability.

Software Development 🇫🇷 1 1998

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How this list is built

Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.

More company lists in Brittany

The same list elsewhere in France