The data and analytics sector in Loire-Atlantique includes a mix of established firms and younger companies, with a notable presence of software development and IT services. Companies like GEOFIT (1,157 employees) specialize in geographical databases, while ASI (590 employees) focuses on responsible digital solutions. Lengow (177 employees) offers e-commerce automation, and proLogistik France (114 employees) provides supply chain software. Smartway (104 employees) develops AI for food waste reduction, and A5sys (92 employees) works in business intelligence.
The headquarters are primarily clustered in Nantes and Saint-Herblain, indicating these cities as key centers for data and analytics activities in the region. The sector also shows a blend of industries, from space research and technology with GEOFIT to farming with Weenat, which provides mobile solutions for agricultural decision-making using weather and soil data.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
๐๐๐ข๐๐๐งgeofit.fr
Designing geographical databases, securing land processes for private and development projects, producing national cartography, developing agriculture, and managing natural resources. |
1,157 | |||
| 2 | 590 | ||||
| 3 |
Compaslecompas.fr
Specializing in social observation of territories, creating observatories, conducting studies, and providing training for local governments to address social realities effectively |
182 | |||
| 4 |
Lengowlengow.com
E-commerce automation solution enabling brands to improve performance, automate processes, and expand internationally by integrating with 200+ marketplaces and 1,400+ channels |
177 | |||
| 5 |
proLogistik France (DSIA)logistar-dsia.com
French subsidiary of a pan-European group, publishing, integrating, and hosting supply chain solutions, including WMS, OMS, LMS, TMS, ensuring optimal security and accessibility. |
114 | |||
| 6 |
Smartwaysmartway.ai
Development of AI-based system helping stores identify soon-to-expire food products, enabling discounts or donations to reduce waste and increase profits. |
104 | |||
| 7 | 92 | ||||
| 8 |
PerformanSeperformanse.com
A leader in behavioral and cognitive skills assessments, providing innovative solutions for HR professionals in recruitment, talent management, and vocational guidance |
86 | |||
| 9 |
Weenatweenat.com
Weenat provides simple, mobile, and connected solutions for farmers, using weather and soil data to optimize decision-making from planting to harvest |
69 | |||
| 10 |
Meteodynmeteodyn.com
The company specializes in wind engineering, meteorology, and climatology, offering software solutions and services for renewable energy, infrastructure, and climate change adaptation |
69 | |||
| 11 |
Virage Groupviragegroup.com
Provides management solutions to centralize strategic plans, evaluate progress, and manage project portfolios, ensuring investments generate expected value and support decision-making. |
50 | |||
| 12 |
Guest Suiteguest-suite.com
Guest Suite provides a comprehensive solution for managing local visibility through presence and review management, helping brands optimize online information, analyze reputation, and collect and respond to customer reviews |
48 | |||
| 13 |
Ospharmospharm.com
A cooperative established by pharmacists 30 years ago to develop pharmacy-focused digital tools, evolving to focus on future industry advancements |
38 | |||
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| 14 |
TOOVALUtoovalu.com
Leader in Climate & CSR strategy software, Toovalu Impact supports clients and stakeholders in their RSE & Climate initiatives, focusing on sustainability and progress |
38 | |||
| 15 |
Insights DBMdbm-vi.eu
With over 25 years of experience, Veterinary Insights specializes in transforming data into actionable insights for the animal health industry through various business information services |
37 | |||
| 16 | 36 | ||||
| 17 |
Aquasysaquasys.fr
Water Resource Management Systems provider helping national and local authorities, soft drink industry, and farmers optimize water usage in the face of climate change |
30 | |||
| 18 |
Impact Trackimpacttrack.org
A digital platform enabling investors and entrepreneurs to measure, manage, and communicate social and environmental impact effectively |
17 | |||
| 19 | 16 | ||||
| 20 |
Infineo fait maintenant partie de la sociรฉtรฉ Sage !sage.com
A provider of decision support reporting solutions on Excel, covering the full reporting chain for SMEs with a focus on finance and accounting |
16 | |||
| 21 |
Captain Datacaptaindata.com
It provides real-time intent data through an API, enhancing SalesTech tools and strategies for smarter sales and business growth. |
14 | |||
| 22 |
GREENSPECTORgreenspector.com
Provider of energy efficiency solutions for mobile and IoT applications, improving battery life, performance, and user experience for major European and Asian companies |
11 | |||
| 23 |
Sweet Showsweetshow.io
Digital platform transforming standard documents into interactive presentations to improve collaboration between marketing and sales teams for better customer experience. |
10 | |||
| 24 |
ECOMER Dataecomer-data.fr
ECOMER DATA, part of the MARINELEC Group, supports maritime industry transformation by providing integrated data collection and analysis solutions for eco-friendly operations |
9 | |||
| 25 | 4 | ||||
| 26 |
DataGrowb'datagrowb.com
DataGrowb' is at the forefront of innovative and disruptive technologies, specializing in data and AI solutions for various industries |
4 | |||
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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 Nov 12, 2026.
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The same list elsewhere in France
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