The software development companies in Seine-Maritime include a mix of established firms and younger companies, specializing in various software solutions. LEO, founded in 1921, develops management software for pharmacies. Trace Software, established in 1987, is active in CAD & CAE software for industrial engineering. FTEL, founded in 1999, specializes in web and mobile software development. Wisper, founded in 2009, provides a centralized management solution for workstations. MeetGeek, a younger company from 2020, offers an AI-assisted platform for meeting productivity.
Most of these companies are small to mid-sized, with headcounts ranging from 11 to 125 employees. A notable pattern is the concentration of companies in urban areas, with Mont-Saint-Aignan, Rouen, and Le Havre appearing frequently as headquarters cities.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
LEOleo-officine.fr
Provides innovative management software for pharmacies, leveraging Microsoft technologies to improve daily operations and profitability of pharmacy businesses. |
125 | |||
| 2 |
La Halle aux Chaussures
Development and provision of computer software solutions, focusing on creating and distributing software products from Dieppe, France. |
95 | |||
| 3 |
Trace Softwaretrace-software.com
Global leader in CAD & CAE software for industrial engineering, specializing in electrical design Empowering electrical solutions for manufacturing, energy, and transportation industries |
85 | |||
| 4 |
Enovea, votre partenaire logicielenovea.net
Develops digital projects like 3D configurators and ERP integration. Publishes software for real-time matching, data reconciliation, and connected object data analysis. |
42 | |||
| 5 | 35 | ||||
| 6 |
ELSYLOGelsylog.com
Manufacturer of electronic security and time management solutions including access control, alarm systems, video surveillance, visitor management, and key tracking |
31 | |||
| 7 | 31 | ||||
| 8 |
MeetGeekmeetgeek.ai
It is a platform that enhances meeting productivity through AI assistance, automation, and insights, helping teams improve efficiency and results. |
27 | |||
| 9 |
Caux Formatiquecauxformatique.fr
Specialized in management software, providing implementation, training, and support services for accounting, sales, payroll systems to professional clients Also offers IT maintenance |
27 | |||
| 10 |
AIMAIRAaimaira.fr
A company offering an ERP management software designed for higher education institutions, covering all operational needs and hosted on Microsoft Azure for security |
25 | |||
| 11 | 25 | ||||
| 12 |
Novatice Technologiesnovatice.com
Novatice Technologies is a software solutions company specializing in innovative educational tools such as Edutice, Pyramid, Edutab, and Edutice Tablet Server |
21 | |||
| 13 |
KEYVEOkeyveo.com
Specializing in virtual tours and immersive technologies, the company creates innovative digital projects for businesses, educational institutions, and municipalities with prestigious clients worldwide |
13 | |||
| 14 |
WinSPOT by Data Conceptwinspot.com
Specializes in developing the WinSPOT software suite for port and multimodal logistics chain management |
13 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 15 |
SellingAtHomesellingathome.com
A SAAS software suite that helps direct selling brands modernize, optimize sales performance, and improve customer knowledge with white-label interfaces |
11 | |||
| 16 | 11 | ||||
| 17 |
AGORINFOagorinfo.fr
A computer software company located in France specializing in providing technology solutions and services |
10 | |||
| 18 |
ARTELIA DIGITAL SOLUTIONS
ARTELIA DIGITAL SOLUTIONS is a computer software company based in Le Havre, France, specializing in digital solutions and software development |
10 | |||
| 19 |
Groupe Tracegroupetrace.com
The company specializes in software and processes for building (BIM) and energy through its five subsidiaries, offering innovative solutions for construction professionals worldwide |
8 | |||
| 20 |
Emerit Scienceemeritscience.fr
Development of AI-powered virtual assistants and platforms providing easy, secure access to vast, reliable scientific information for diverse users. |
7 | |||
| 21 |
BusinessAppbusinessapp.fr
BusinessApp is a saas solution enabling professionals within a community to stay connected, buy products/services, generate opportunities, exchange, and receive business digitally |
6 | |||
| 22 | 5 | ||||
| 23 | 5 | ||||
| 24 |
Miri Digital Conciergemiri-booking.com
A customizable e-concierge service for hotels, resorts, and campgrounds, offering easy access to local activities and booking experiences for travelers |
5 | |||
| 25 |
Calysoftcalysoft.fr
Company specialized in custom software development for professionals, from industrial to small businesses, public services, and municipalities Offers user-friendly, scalable, secure, and efficient solutions with personalized support |
4 | |||
| 26 | 3 | ||||
| 27 |
Expedy API Cloud Printerexpedy.io
Development and distribution of plug-and-play connected printers with integrated APIs, serving catering, e-commerce, and logistics sectors. |
3 | |||
| 28 |
DEV INFLUENCEgetorisis.fr
Software development company creating cloud-based ERP and CRM solutions integrated with business software, accounting tools, and field applications for continuous operational improvement. |
1 | |||
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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 11, 2026.
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