Company lists · Data refreshed November 2026
Top 23 Software systems engineering companies based in France
RevenueBase identified 1,153 company matches for software systems engineering companies associated with France as of November 2026 and tracks 34,666 professional contacts across them, including 13,033 with verified work emails. Paris is the largest hub.
This list covers company matches for software systems engineering companies associated with France, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 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.
The 23 largest software systems engineering companies based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,212 contacts → | ||||
Exact match “Le groupe SII est une société d’ingénierie et de conseil en technologies (ICT) et une entreprise de services numériques (ESN) créée en 1979 par Bernard HUVÉ, ingénieur de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,842 contacts → | ||||
Exact match “Infotel accompagne les directions Informatiques et Métiers des grandes entreprises depuis 45 ans (Airbus, Air France, PSA, BNP Paribas, Banque de France ou encore BPCE, etc.).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,708 contacts → | ||||
Exact match “Métiers - Edition de composants/modules logiciels pour les métiers de l’assurance, du voyage et du négoce- Création de solutions spécifiques pour le compte des clients- Suivi et…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,036 contacts → | ||||
Exact match “The story of AUSY by Randstad started in France in 1989.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 916 contacts → | ||||
Exact match “SFEIR est une Société d’expertise spécialisée dans le développement d’applications sous toutes leurs formes ( web, mobile, IOT, cloud, data, etc.).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 870 contacts → | ||||
Exact match “Viveris is a consulting and engineering company with two main activities - IT consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 633 contacts → | ||||
Exact match “Consulting and Engineering in innovative technology Celad is a global software engineering company with over 1200 engineers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 550 contacts → | ||||
Exact match “Filiale du Groupe SYNERGIE, DCS SYNERGIE GROUP capitalise sur son histoire pour accompagner chaque jour les enjeux IT de ses clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 443 contacts → | ||||
Exact match “Zenika is an IT consulting firm with 550 employees that helps companies with their digital transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 420 contacts → | ||||
Exact match “KPC se positionne comme un acteur global capable d’intervenir aussi bien sur des phases amonts (AMOA) que sur des phases d’intégration de logiciels (AMOE): Conseil et Services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 409 contacts → | ||||
Exact match “Objectware Group is an IT Services Company (or ESN: Entreprise de Services du Numérique), founded in and dedicated to consulting and IT system engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 384 contacts → | ||||
Exact match “Conserto, jeune société innovante et dynamique, propose des prestations de conseil et d’expertise informatique : Nous avons 3 domaines d'expertise - Cloud - Digital - Embedded Et…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 338 contacts → | ||||
Exact match “The Noveo group has specialized in design, development and maintenance of digital solutions since 1998.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 337 contacts → | ||||
Exact match “Bienvenue chez Amiltone.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 334 contacts → | ||||
Exact match “At Avanquest, we develop software that makes digital simpler, smarter and more useful.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 304 contacts → | ||||
Exact match “INFOGENE est une ESN spécialisée dans 3 domaines principaux (en AMOA et MOE): DIGITAL: Notre savoir faire : Conseil, architecture logiciel, conception, développement, maintenance…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 289 contacts → | ||||
Exact match “Fondée en 2017, Ouidou est une entreprise de services du numérique regroupant plus de 250 collaborateurs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 283 contacts → | ||||
Exact match “Chez Cyllene, on couvre le spectre complet de votre besoin en termes de : Conseils 🧬 Définition d’architectures Hébergement & Services managés Cybersécurité & Formations…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 275 contacts → | ||||
Exact match “Nous sommes une ESN (entreprise de services numériques) spécialisée dans la conception, le développement et la maintenabilité de solutions informatiques, techniques et…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 235 contacts → | ||||
Exact match “Bienvenue chez Younup : la néo-ESN, agile, humaine, faite de passionnés, avec une ambition simple et forte : remettre l’humain et l’expertise technique au cœur du service IT.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 197 contacts → | ||||
Exact match “Edifixio is an IT services company working mainly for large international companies, in the areas of Industry, Retail, Insurance and Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 186 contacts → | ||||
Exact match “Créée en 1997, Acelys Services Numériques est une entreprise de services numériques (ESN) basée en Occitanie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 185 contacts → | ||||
Exact match “Vous avez envie de prendre part à un projet d'entreprise fort au sein d'une entreprise qui favorise l'expression des talents de chacun?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “software systems engineering companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 23 of 1,153 software systems engineering companies based in France
See the full list, filter by size, metro and specialty, and access 13,033 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Software systems engineering companies based in France at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 1,153 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- 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
- Company records associated with France whose business descriptions match “software systems engineering companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 13,033 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Software systems engineering companies by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “software systems engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many software systems engineering companies are there based in France?
RevenueBase identified 1,153 company matches for software systems engineering companies associated with France as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Groupe SII tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most software systems engineering companies?
Paris leads with 282 company records, followed by Lyon (40) and Toulouse (24).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 13,033 professional contacts with verified work emails tracked across these 1,153 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,153 software systems engineering companies based in France. Start with a free account, no credit card.
Download this list →Related lists
Software systems engineering companies by geography
- Software systems engineering companies based in the United States
- Software systems engineering companies based in Brazil
- Software systems engineering companies based in the United Kingdom
- Software systems engineering companies based in Germany
- Software systems engineering companies based in Italy
- Software systems engineering companies based in Canada
- Software systems engineering companies based in Poland
- Software systems engineering companies based in Spain
- Software systems engineering companies based in Australia
- Software systems engineering companies based in South Africa
- Software systems engineering companies based in the Netherlands
- Software systems engineering companies based in Argentina
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Software systems engineering companies based in the United States
- Software systems engineering companies based in Brazil
- Software systems engineering companies based in the United Kingdom
- Software systems engineering companies based in Germany
- Software systems engineering companies based in Italy
- Software systems engineering companies based in Canada
Company intelligence · public preview
Top 23 software systems engineering companies based in France
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,153 matching company records for software systems engineering companies based in France, with 34,666 tracked contacts and 13,033 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 23 software systems engineering companies based in France
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Groupe SIIsii-group.comHQ: Paris, FranceReported employees: 10001+ | Paris, France | 10001+ | Exact match | 5,212 contacts → |
“Le groupe SII est une société d’ingénierie et de conseil en technologies (ICT) et une entreprise de services numériques (ESN) créée en 1979 par Bernard HUVÉ, ingénieur de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Infotelinfotel.comHQ: Neuilly-sur-seine, FranceReported employees: 1,001-5,000 | Neuilly-sur-seine, France | 1,001-5,000 | Exact match | 1,842 contacts → |
“Infotel accompagne les directions Informatiques et Métiers des grandes entreprises depuis 45 ans (Airbus, Air France, PSA, BNP Paribas, Banque de France ou encore BPCE, etc.).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  IGAiga.frHQ: Malakoff, FranceReported employees: Not recorded | Malakoff, France | Not recorded | Exact match | 1,708 contacts → |
“Métiers - Edition de composants/modules logiciels pour les métiers de l’assurance, du voyage et du négoce- Création de solutions spécifiques pour le compte des clients- Suivi et…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  AUSYausy.frHQ: Sèvres Cedex, FranceReported employees: 5,001-10,000 | Sèvres Cedex, France | 5,001-10,000 | Exact match | 1,036 contacts → |
“The story of AUSY by Randstad started in France in 1989.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  SFEIRsfeir.comHQ: Neuilly-sur-seine, FranceReported employees: 501-1,000 | Neuilly-sur-seine, France | 501-1,000 | Exact match | 916 contacts → |
“SFEIR est une Société d’expertise spécialisée dans le développement d’applications sous toutes leurs formes ( web, mobile, IOT, cloud, data, etc.).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Viverisviveris.frHQ: Boulogne-billancourt, FranceReported employees: 1,001-5,000 | Boulogne-billancourt, France | 1,001-5,000 | Exact match | 870 contacts → |
“Viveris is a consulting and engineering company with two main activities - IT consulting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  CELADcelad.comHQ: Toulouse, FranceReported employees: 1,001-5,000 | Toulouse, France | 1,001-5,000 | Exact match | 633 contacts → |
“Consulting and Engineering in innovative technology Celad is a global software engineering company with over 1200 engineers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  DCS Easywaredcsit-group.comHQ: Lyon, FranceReported employees: 1,001-5,000 | Lyon, France | 1,001-5,000 | Exact match | 550 contacts → |
“Filiale du Groupe SYNERGIE, DCS SYNERGIE GROUP capitalise sur son histoire pour accompagner chaque jour les enjeux IT de ses clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Zenikazenika.comHQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 443 contacts → |
“Zenika is an IT consulting firm with 550 employees that helps companies with their digital transformation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  KEY Performance Consulting KPCkpconsulting.frHQ: Aix-en-provence, FranceReported employees: 201-500 | Aix-en-provence, France | 201-500 | Exact match | 420 contacts → |
“KPC se positionne comme un acteur global capable d’intervenir aussi bien sur des phases amonts (AMOA) que sur des phases d’intégration de logiciels (AMOE): Conseil et Services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Objectwareobjectware.frHQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 409 contacts → |
“Objectware Group is an IT Services Company (or ESN: Entreprise de Services du Numérique), founded in and dedicated to consulting and IT system engineering.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Consertoconserto.proHQ: Saint-herblain, FranceReported employees: 201-500 | Saint-herblain, France | 201-500 | Exact match | 384 contacts → |
“Conserto, jeune société innovante et dynamique, propose des prestations de conseil et d’expertise informatique : Nous avons 3 domaines d'expertise - Cloud - Digital - Embedded Et…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Noveo Groupnoveogroup.comHQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 338 contacts → |
“The Noveo group has specialized in design, development and maintenance of digital solutions since 1998.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Amiltoneamiltone.comHQ: Villeurbanne, FranceReported employees: 201-500 | Villeurbanne, France | 201-500 | Exact match | 337 contacts → |
“Bienvenue chez Amiltone.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Avanquestavanquestgroup.comHQ: Courbevoie, FranceReported employees: 201-500 | Courbevoie, France | 201-500 | Exact match | 334 contacts → |
“At Avanquest, we develop software that makes digital simpler, smarter and more useful.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Infogeneinfogene.frHQ: Neuilly-sur-seine, FranceReported employees: 501-1,000 | Neuilly-sur-seine, France | 501-1,000 | Exact match | 304 contacts → |
“INFOGENE est une ESN spécialisée dans 3 domaines principaux (en AMOA et MOE): DIGITAL: Notre savoir faire : Conseil, architecture logiciel, conception, développement, maintenance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Ouidououidou.frHQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 289 contacts → |
“Fondée en 2017, Ouidou est une entreprise de services du numérique regroupant plus de 250 collaborateurs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cyllenegroupe-cyllene.comHQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 283 contacts → |
“Chez Cyllene, on couvre le spectre complet de votre besoin en termes de : Conseils 🧬 Définition d’architectures Hébergement & Services managés Cybersécurité & Formations…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Kaizen Solutions KZSkaizen-solutions.netHQ: Montbonnot-saint-martin, FranceReported employees: 201-500 | Montbonnot-saint-martin, France | 201-500 | Exact match | 275 contacts → |
“Nous sommes une ESN (entreprise de services numériques) spécialisée dans la conception, le développement et la maintenabilité de solutions informatiques, techniques et…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Younupyounup.frHQ: Nantes, FranceReported employees: 201-500 | Nantes, France | 201-500 | Exact match | 235 contacts → |
“Bienvenue chez Younup : la néo-ESN, agile, humaine, faite de passionnés, avec une ambition simple et forte : remettre l’humain et l’expertise technique au cœur du service IT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Edifixioedifixio.comHQ: Bezons, FranceReported employees: 201-500 | Bezons, France | 201-500 | Exact match | 197 contacts → |
“Edifixio is an IT services company working mainly for large international companies, in the areas of Industry, Retail, Insurance and Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Acelys Services Numériquesacelys.frHQ: Montpellier, FranceReported employees: 51-200 | Montpellier, France | 51-200 | Exact match | 186 contacts → |
“Créée en 1997, Acelys Services Numériques est une entreprise de services numériques (ESN) basée en Occitanie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  UNISunis.frHQ: Villeneuve D'ascq, FranceReported employees: 201-500 | Villeneuve D'ascq, France | 201-500 | Exact match | 185 contacts → |
“Vous avez envie de prendre part à un projet d'entreprise fort au sein d'une entreprise qui favorise l'expression des talents de chacun?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 1,153 company matches
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Software systems engineering companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,143 records in the displayed employee bands.
10 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 1,153 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Software systems engineering companies by metro
Questions about this company list
What does Exact match mean for software systems engineering companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many software systems engineering companies did RevenueBase find based in France?
The saved snapshot records 1,153 matching company records, 34,666 tracked contacts and 13,033 verified emails. The public preview displays 23 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Software systems engineering companies by geography
- Software systems engineering companies based in the United States
- Software systems engineering companies based in Brazil
- Software systems engineering companies based in the United Kingdom
- Software systems engineering companies based in Germany
- Software systems engineering companies based in Italy
- Software systems engineering companies based in Canada
- Software systems engineering companies based in Poland
- Software systems engineering companies based in Spain
- Software systems engineering companies based in Australia
- Software systems engineering companies based in South Africa
- Software systems engineering companies based in the Netherlands
- Software systems engineering companies based in Argentina
Cite this list
RevenueBase Data Team. Top 23 software systems engineering companies based in France. Snapshot: November 6, 2026. https://revenuebase.ai/companies/software-systems-engineering-companies/france.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Software systems engineering companies based in the United States
- Software systems engineering companies based in Brazil
- Software systems engineering companies based in the United Kingdom
- Software systems engineering companies based in Germany
- Software systems engineering companies based in Italy
- Software systems engineering companies based in Canada
Company intelligence · public preview
Top 23 software systems engineering companies based in France
RevenueBase records 1,153 matching company records for software systems engineering companies based in France, with 34,666 tracked contacts and 13,033 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 23 software systems engineering companies based in France
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Groupe SIIsii-group.com HQ: Paris, FranceReported employees: 10001+ | Paris, France | 10001+ | Exact match | 5,212 contacts → |
“Le groupe SII est une société d’ingénierie et de conseil en technologies (ICT) et une entreprise de services numériques (ESN) créée en 1979 par Bernard HUVÉ, ingénieur de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Infotelinfotel.com HQ: Neuilly-sur-seine, FranceReported employees: 1,001-5,000 | Neuilly-sur-seine, France | 1,001-5,000 | Exact match | 1,842 contacts → |
“Infotel accompagne les directions Informatiques et Métiers des grandes entreprises depuis 45 ans (Airbus, Air France, PSA, BNP Paribas, Banque de France ou encore BPCE, etc.).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | IGAiga.fr HQ: Malakoff, FranceReported employees: Not recorded | Malakoff, France | Not recorded | Exact match | 1,708 contacts → |
“Métiers - Edition de composants/modules logiciels pour les métiers de l’assurance, du voyage et du négoce- Création de solutions spécifiques pour le compte des clients- Suivi et…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | AUSYausy.fr HQ: Sèvres Cedex, FranceReported employees: 5,001-10,000 | Sèvres Cedex, France | 5,001-10,000 | Exact match | 1,036 contacts → |
“The story of AUSY by Randstad started in France in 1989.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SFEIRsfeir.com HQ: Neuilly-sur-seine, FranceReported employees: 501-1,000 | Neuilly-sur-seine, France | 501-1,000 | Exact match | 916 contacts → |
“SFEIR est une Société d’expertise spécialisée dans le développement d’applications sous toutes leurs formes ( web, mobile, IOT, cloud, data, etc.).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Viverisviveris.fr HQ: Boulogne-billancourt, FranceReported employees: 1,001-5,000 | Boulogne-billancourt, France | 1,001-5,000 | Exact match | 870 contacts → |
“Viveris is a consulting and engineering company with two main activities - IT consulting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | CELADcelad.com HQ: Toulouse, FranceReported employees: 1,001-5,000 | Toulouse, France | 1,001-5,000 | Exact match | 633 contacts → |
“Consulting and Engineering in innovative technology Celad is a global software engineering company with over 1200 engineers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | DCS Easywaredcsit-group.com HQ: Lyon, FranceReported employees: 1,001-5,000 | Lyon, France | 1,001-5,000 | Exact match | 550 contacts → |
“Filiale du Groupe SYNERGIE, DCS SYNERGIE GROUP capitalise sur son histoire pour accompagner chaque jour les enjeux IT de ses clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Zenikazenika.com HQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 443 contacts → |
“Zenika is an IT consulting firm with 550 employees that helps companies with their digital transformation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | KEY Performance Consulting KPCkpconsulting.fr HQ: Aix-en-provence, FranceReported employees: 201-500 | Aix-en-provence, France | 201-500 | Exact match | 420 contacts → |
“KPC se positionne comme un acteur global capable d’intervenir aussi bien sur des phases amonts (AMOA) que sur des phases d’intégration de logiciels (AMOE): Conseil et Services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Objectwareobjectware.fr HQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 409 contacts → |
“Objectware Group is an IT Services Company (or ESN: Entreprise de Services du Numérique), founded in and dedicated to consulting and IT system engineering.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Consertoconserto.pro HQ: Saint-herblain, FranceReported employees: 201-500 | Saint-herblain, France | 201-500 | Exact match | 384 contacts → |
“Conserto, jeune société innovante et dynamique, propose des prestations de conseil et d’expertise informatique : Nous avons 3 domaines d'expertise - Cloud - Digital - Embedded Et…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Noveo Groupnoveogroup.com HQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 338 contacts → |
“The Noveo group has specialized in design, development and maintenance of digital solutions since 1998.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Amiltoneamiltone.com HQ: Villeurbanne, FranceReported employees: 201-500 | Villeurbanne, France | 201-500 | Exact match | 337 contacts → |
“Bienvenue chez Amiltone.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Avanquestavanquestgroup.com HQ: Courbevoie, FranceReported employees: 201-500 | Courbevoie, France | 201-500 | Exact match | 334 contacts → |
“At Avanquest, we develop software that makes digital simpler, smarter and more useful.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Infogeneinfogene.fr HQ: Neuilly-sur-seine, FranceReported employees: 501-1,000 | Neuilly-sur-seine, France | 501-1,000 | Exact match | 304 contacts → |
“INFOGENE est une ESN spécialisée dans 3 domaines principaux (en AMOA et MOE): DIGITAL: Notre savoir faire : Conseil, architecture logiciel, conception, développement, maintenance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ouidououidou.fr HQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 289 contacts → |
“Fondée en 2017, Ouidou est une entreprise de services du numérique regroupant plus de 250 collaborateurs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cyllenegroupe-cyllene.com HQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 283 contacts → |
“Chez Cyllene, on couvre le spectre complet de votre besoin en termes de : Conseils 🧬 Définition d’architectures Hébergement & Services managés Cybersécurité & Formations…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Kaizen Solutions KZSkaizen-solutions.net HQ: Montbonnot-saint-martin, FranceReported employees: 201-500 | Montbonnot-saint-martin, France | 201-500 | Exact match | 275 contacts → |
“Nous sommes une ESN (entreprise de services numériques) spécialisée dans la conception, le développement et la maintenabilité de solutions informatiques, techniques et…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Younupyounup.fr HQ: Nantes, FranceReported employees: 201-500 | Nantes, France | 201-500 | Exact match | 235 contacts → |
“Bienvenue chez Younup : la néo-ESN, agile, humaine, faite de passionnés, avec une ambition simple et forte : remettre l’humain et l’expertise technique au cœur du service IT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Edifixioedifixio.com HQ: Bezons, FranceReported employees: 201-500 | Bezons, France | 201-500 | Exact match | 197 contacts → |
“Edifixio is an IT services company working mainly for large international companies, in the areas of Industry, Retail, Insurance and Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Acelys Services Numériquesacelys.fr HQ: Montpellier, FranceReported employees: 51-200 | Montpellier, France | 51-200 | Exact match | 186 contacts → |
“Créée en 1997, Acelys Services Numériques est une entreprise de services numériques (ESN) basée en Occitanie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | UNISunis.fr HQ: Villeneuve D'ascq, FranceReported employees: 201-500 | Villeneuve D'ascq, France | 201-500 | Exact match | 185 contacts → |
“Vous avez envie de prendre part à un projet d'entreprise fort au sein d'une entreprise qui favorise l'expression des talents de chacun?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Software systems engineering companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,143 records in the displayed employee bands.
10 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 1,153 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Software systems engineering companies by metro
Questions about this company list
What does Exact match mean for software systems engineering companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many software systems engineering companies did RevenueBase find based in France?
The saved snapshot records 1,153 matching company records, 34,666 tracked contacts and 13,033 verified emails. The public preview displays 23 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 23 software systems engineering companies based in France. Snapshot: November 6, 2026. https://revenuebase.ai/companies/software-systems-engineering-companies/france.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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