The software development companies in Seine-Saint-Denis are a mix of mid-sized firms and younger companies. They specialize in various software solutions, from enterprise service management to real estate platforms. EasyVista offers intelligent solutions for enterprise service management, while Orisha Real Estate develops SaaS software for real estate professionals. Calliope Business Solutions by TVH Consulting focuses on digital transformation through ERP and CRM integration, and GRAINBOW provides IT solutions for trading companies and cooperatives.
A notable pattern among these companies is their concentration in a few key cities within Seine-Saint-Denis. Saint-Denis hosts several firms like Orisha Real Estate and Calliope Business Solutions, while Noisy-le-Grand is home to EasyVista and GRAINBOW. Montreuil also features prominently with companies such as Linkurious and NCSIMUL. These companies cater to diverse sectors including finance, manufacturing, and retail.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
EasyVistaeasyvista.com
Global software provider offering intelligent solutions for enterprise service management, remote support, and self-healing technologies, empowering enterprises to accelerate digital transformation |
363 | |||
| 2 | 250 | ||||
| 3 |
Orisha Real Estaterealestate.orisha.com
Editor of SaaS software for real estate professionals. Guides clients in sector challenges, development, and essential solutions for property transactions, management, and assets. |
217 | |||
| 4 |
Calliope Business Solutions by TVH Consultinggroupe-calliope.com
Provides digital transformation through Microsoft and Sage ERP and CRM integration, utilizing packaged modules and structured methodology for retail, manufacturing, and services. |
150 | |||
| 5 |
GRAINBOWgrainbow.fr
Providing innovative IT solutions and management software for trading companies, cooperatives, farmers, and industrialists focusing on risk and market management. |
57 | |||
| 6 |
SARDEL Conseilsardel.fr
Identifies young talent, provides specialized mainframe technology training, and facilitates placement into prestigious organizations to ensure sustainable long-term employment for computer science graduates. |
54 | |||
| 7 |
Linkuriouslinkurious.com
Linkurious provides enterprise-ready graph intelligence solutions to help users uncover insights in complex connected data for informed decision-making |
45 | |||
| 8 |
Département Informatique - IUT de Montreuiliut.univ-paris8.fr
The IT department at IUT de Montreuil prepares students for future jobs in computer science fields, focusing on designing, implementing, and deploying IT solutions |
41 | |||
| 9 |
au carréaucarre.tech
Development of custom no-code digital solutions to simplify internal processes, automate emails, improve client communication, and foster community engagement. |
40 | |||
| 10 | 38 | ||||
| 11 | 35 | ||||
| 12 |
NCSIMULhexagon.com
Enhances workshop machine communication, cutting tool management, G-code verification, and programming for efficient, cost-effective, and collision-free manufacturing processes. |
31 | |||
| 13 |
Panopli | B Corp™panopli.co
Offers a platform for businesses to send responsible gifts, allowing recipients to choose their gift or donate to a charity, boosting engagement. |
26 | |||
| 14 |
NEOFI Solutionsneofi-solutions.com
Consulting and integration services for financial flow management, cash management, and software deployment with a focus on interoperability and pragmatism. |
20 | |||
| 15 |
Openpayeopenpaye.co
Provides online payroll software designed for professionals, offering a clear, reliable, and user-friendly tool for daily payroll management, adaptable to various organizations. |
20 | |||
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| 16 |
SPEEGAR
Digital services consultancy specializing in Java and Angular web application development through collaborative methodologies to meet high technical standards for client projects. |
19 | |||
| 17 |
CLIKINGcliking.co
It provides tools for measuring customer satisfaction, automating rewards, and facilitating communication, enhancing client retention and loyalty for businesses. |
17 | |||
| 18 |
I2SI Solutions Constructeuri2si.fr
Provides engineering expertise and software tools for construction professionals, insurers, and financiers to manage risks and improve project performance. |
16 | |||
| 19 |
GALAXY ITgalaxyit.fr
Specializing in data management with a focus on Talend, our consultants help businesses optimize their data, from strategy to implementation |
16 | |||
| 20 |
KLIQ Studiokliqstudio.com
Sellzone offers innovative marketing solutions integrating AI to maximize customer revenue through automation, loyalty, and acquisition strategies, tailored for peak performance and success |
12 | |||
| 21 |
NEOCLES CORPORATE
A computer software company located in Montreuil, France, specializing in providing innovative solutions for businesses |
11 | |||
| 22 |
WAYNIUMwaynium.com
Specialized business solution for ground transportation companies, offering software, apps, and services to manage and grow their operations effectively and efficiently |
11 | |||
| 23 |
Jaiye - Enjoy good musicjaiye.com
A music streaming service focused on Afro and Caribbean music, offering ad-supported and subscription models to stream audio music files on-demand from mobile devices |
10 | |||
| 24 |
Koalabskoalabs-studio.com
Development of video games and applications based in Montreuil, France, focusing on interactive digital entertainment and software solutions. |
9 | |||
| 25 |
RealVisionrealvision.fr
A software publisher specializing in healthcare solutions, RealVision has been simplifying the work of healthcare professionals since 1993 |
9 | |||
| 26 |
SGBD Productssgbd.fr
High-quality development of custom applications, web hosting, and maintenance services for both MacOS and Windows systems since 1991 Skilled in project management, design, and mobile applications |
9 | |||
| 27 |
ILYO TOUCHilyotouch.com
An all-in-one digital solution to improve customer experience, boost revenue, and manage Return on Investment effectively |
7 | |||
| 28 |
CAPASOFT FRANCEcapasoft.fr
CAPASOFT develops and sells industry-specific CRM/ERP software for office, IT, telephony, and security sectors, enhancing productivity and profitability for businesses |
6 | |||
| 29 |
Décisionneldecisionnel.com
The company offers solutions combining top technology tools with tailored methodologies to support various business needs, such as performance management and data analysis |
6 | |||
| 30 | 5 | ||||
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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.
More company lists in the Seine-Saint-Denis department
- The largest companies in the Seine-Saint-Denis department 1,293
- Multinational companies in the Seine-Saint-Denis department 198
- Companies with in-house R&D in the Seine-Saint-Denis department 102
- Retail chains in the Seine-Saint-Denis department 101
- Public sector organisations in the Seine-Saint-Denis department 91
- Distributors and wholesalers in the Seine-Saint-Denis department 81
- IT services companies in the Seine-Saint-Denis department 79
- IT Services and IT Consulting companies in the Seine-Saint-Denis department 78
- Manufacturers in the Seine-Saint-Denis department 72
- Professional services firms in the Seine-Saint-Denis department 71
- Education providers in the Seine-Saint-Denis department 69
- Hardware manufacturers in the Seine-Saint-Denis department 58
- Critical infrastructure operators in the Seine-Saint-Denis department 53
- Government Administration companies in the Seine-Saint-Denis department 53
- Family-owned companies in the Seine-Saint-Denis department 50
- Consulting firms in the Seine-Saint-Denis department 44
- Companies with a mobile app in the Seine-Saint-Denis department 44
- Construction companies in the Seine-Saint-Denis department 44
- Logistics companies in the Seine-Saint-Denis department 40
- Professional Training and Coaching companies in the Seine-Saint-Denis department 39
- Advertising Services companies in the Seine-Saint-Denis department 37
- SaaS companies in the Seine-Saint-Denis department 37
- Civic and Social Organizations companies in the Seine-Saint-Denis department 36
- Environmental Services companies in the Seine-Saint-Denis department 36
The same list elsewhere in France
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