Company lists · Data refreshed September 2026
Top 25 Legacy system modernization based in France
RevenueBase identified 679 company matches for legacy system modernization associated with France as of September 2026 and tracks 8,501 professional contacts across them, including 3,305 with verified work emails. Paris is the largest hub.
This list covers company matches for legacy system modernization 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 September 20, 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 25 largest legacy system modernization based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 844 contacts → | ||||
Exact match “You will be part of ACENSI network: 1650 co-workers involved in IS transformation projects at our clients through our multisectoral expertise.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 532 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 342 contacts → | ||||
Exact match “For over 20 years, ITS Group has supported companies in their digital transformation projects thanks to the strength of its specialized areas of expertise.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 279 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 169 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 133 contacts → | ||||
Exact match “Dans un monde où tout s’accélère, la transformation numérique n’est plus une option : c’est un levier de compétitivité.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 132 contacts → | ||||
Exact match “Labsoft SSII accompagne des grands comptes régionaux et national ainsi que des PME PMI.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 102 contacts → | ||||
Exact match “engIT | Innovation IT & Transformation digitale - Faire du conseil différemment Depuis 2017, engIT accompagne les entreprises dans leurs projets stratégiques d'innovation…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 92 contacts → | ||||
Exact match “En 2018, AS-PC, EVEA TECHNOLOGY et INETD CONSULTING deviennent NOVAHE < Novahé accompagne les ETIs et les Grands Comptes dans l’optimisation et l’urbanisation de leur Système…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 86 contacts → | ||||
Exact match “DigitalCook #Weinspirechange Depuis 2016, DigitalCook accompagne les entreprises dans leurs projets de transformation digitale, infogérance, hardware & software, et cybesécurité.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 83 contacts → | ||||
Exact match “Depuis 20 ans, Isitix accompagne vos projets informatiques et numériques.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 81 contacts → | ||||
Exact match “HARA Consulting est un groupe spécialisé dans la transformation numérique des entreprises par la mise en place d'outils IA, data et tech.+ 1⃣ 0⃣ 0⃣ Collaborateurs - Experts…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 79 contacts → | ||||
Exact match “Pionnier du delivery agile depuis 2014, VAGANET met à disposition de ses clients des expertises techniques et fonctionnelles spécialisées dans la transformation et l’actualisation…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 69 contacts → | ||||
Exact match “Attineos Infrastructures est une jeune ESN, spécialisée dans les Systèmes & Réseaux informatiques.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 66 contacts → | ||||
Exact match “As businesses of all kinds become digital, organizations depend on the ability to create new disruptive business models, new ways to engage employees and customers, and new ways…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 63 contacts → | ||||
Exact match “Partenaire de la transformation digitale des entreprises, Komposite est l’architecte de la modernisation des infrastructures IT, fournisseur de services Cloud hybrides, et expert…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 61 contacts → | ||||
Exact match “FOKUS, où l’Humain et la Technologie se rencontrent.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 60 contacts → | ||||
Exact match “Prestataire de services informatiques, nous accompagnons nos clients PME, ETI, Collectivités à gérer, sécuriser et transformer leur Système d’Information depuis plus de 35 ans.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 59 contacts → | ||||
Exact match “Artik Consulting Artik est une société de conseil technologique qui accompagne les grandes entreprises dans leurs projets de transformation SI.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 59 contacts → | ||||
Exact match “Kern Consulting est un cabinet d'experts spécialistes de la transformation de l'entreprise, convaincus que le Système d'Information en est un levier incontournable.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 57 contacts → | ||||
Exact match “Créée en 2008, ARKETEAM est à la fois un éditeur de logiciels, un cabinet de conseil et de service spécialisé dans les systèmes d'information.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 52 contacts → | ||||
Exact match “Votre logiciel métier devrait vous appartenir.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 49 contacts → | ||||
Exact match “Onefirst Group is a Consultancy specialising in Information Systems Management and Digital Transformation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 49 contacts → | ||||
Exact match “Conix Technologies et Services est une ESN, filiale de Conix Services créée en 1997, dédiée à la réalisation et à la sécurisation du Système d’Information de l’entreprise étendue.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 49 contacts → | ||||
Exact match “Depuis plus de 25 ans, ATÉMIS accompagne les entreprises dans la conception, le déploiement et la sécurisation de leurs infrastructures informatiques.” Recorded in the RevenueBase company graph · Sep 20, 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 “legacy system modernization”. 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 25 of 679 legacy system modernization based in France
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Legacy system modernization based in France at a glance
As of Sep 20, 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 679 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 “legacy system modernization” 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 3,305 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 September 20, 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.
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 “legacy system modernization”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many legacy system modernization are there based in France?
RevenueBase identified 679 company matches for legacy system modernization associated with France as of September 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?
Acensi tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most legacy system modernization?
Paris leads with 141 company records, followed by Lyon (25) and Toulouse (15).
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 3,305 professional contacts with verified work emails tracked across these 679 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 September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 679 legacy system modernization based in France. Start with a free account, no credit card.
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Legacy system modernization by geography
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Browse the directory
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.
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Company intelligence · public preview
Top 25 legacy system modernization 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 679 matching company records for legacy system modernization based in France, with 8,501 tracked contacts and 3,305 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 25 legacy system modernization 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 |  Acensiacensi.frHQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 844 contacts → |
“You will be part of ACENSI network: 1650 co-workers involved in IS transformation projects at our clients through our multisectoral expertise.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  DCS Easywaredcsit-group.comHQ: Lyon, FranceReported employees: 1,001-5,000 | Lyon, France | 1,001-5,000 | Exact match | 532 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  ITS Group S.Aitsgroup.comHQ: Boulogne-billancourt, FranceReported employees: 1,001-5,000 | Boulogne-billancourt, France | 1,001-5,000 | Exact match | 342 contacts → |
“For over 20 years, ITS Group has supported companies in their digital transformation projects thanks to the strength of its specialized areas of expertise.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cyllenegroupe-cyllene.comHQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 279 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Acelys Services Numériquesacelys.frHQ: Montpellier, FranceReported employees: 51-200 | Montpellier, France | 51-200 | Exact match | 169 contacts → |
“Créée en 1997, Acelys Services Numériques est une entreprise de services numériques (ESN) basée en Occitanie.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  RBIrbi-informatique.frHQ: Rennes, FranceReported employees: 11-50 | Rennes, France | 11-50 | Exact match | 133 contacts → |
“Dans un monde où tout s’accélère, la transformation numérique n’est plus une option : c’est un levier de compétitivité.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Labsoftlabsoft.frHQ: Labège, FranceReported employees: 51-200 | Labège, France | 51-200 | Exact match | 132 contacts → |
“Labsoft SSII accompagne des grands comptes régionaux et national ainsi que des PME PMI.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  ENGITengit.frHQ: Valbonne, FranceReported employees: 51-200 | Valbonne, France | 51-200 | Exact match | 102 contacts → |
“engIT | Innovation IT & Transformation digitale - Faire du conseil différemment Depuis 2017, engIT accompagne les entreprises dans leurs projets stratégiques d'innovation…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Novahénovahe.frHQ: Saint Cloud Cedex, FranceReported employees: 51-200 | Saint Cloud Cedex, France | 51-200 | Exact match | 92 contacts → |
“En 2018, AS-PC, EVEA TECHNOLOGY et INETD CONSULTING deviennent NOVAHE < Novahé accompagne les ETIs et les Grands Comptes dans l’optimisation et l’urbanisation de leur Système…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Digitalcookdigitalcook.frHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 86 contacts → |
“DigitalCook #Weinspirechange Depuis 2016, DigitalCook accompagne les entreprises dans leurs projets de transformation digitale, infogérance, hardware & software, et cybesécurité.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Isitixisitix.comHQ: FranceReported employees: Not recorded | France | Not recorded | Exact match | 83 contacts → |
“Depuis 20 ans, Isitix accompagne vos projets informatiques et numériques.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Hara Consultinghara-consulting.comHQ: Strasbourg, FranceReported employees: 51-200 | Strasbourg, France | 51-200 | Exact match | 81 contacts → |
“HARA Consulting est un groupe spécialisé dans la transformation numérique des entreprises par la mise en place d'outils IA, data et tech.+ 1⃣ 0⃣ 0⃣ Collaborateurs - Experts…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Vaganetvaganet.frHQ: Velizy-villacoublay, FranceReported employees: 51-200 | Velizy-villacoublay, France | 51-200 | Exact match | 79 contacts → |
“Pionnier du delivery agile depuis 2014, VAGANET met à disposition de ses clients des expertises techniques et fonctionnelles spécialisées dans la transformation et l’actualisation…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Attineos Infrastructuresattineos-infrastructures.comHQ: Mont-saint-aignan, FranceReported employees: 51-200 | Mont-saint-aignan, France | 51-200 | Exact match | 69 contacts → |
“Attineos Infrastructures est une jeune ESN, spécialisée dans les Systèmes & Réseaux informatiques.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Tsplus Grouptsplus.netHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 66 contacts → |
“As businesses of all kinds become digital, organizations depend on the ability to create new disruptive business models, new ways to engage employees and customers, and new ways…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Kompositekomposite.frHQ: Levallois-perret, FranceReported employees: 11-50 | Levallois-perret, France | 11-50 | Exact match | 63 contacts → |
“Partenaire de la transformation digitale des entreprises, Komposite est l’architecte de la modernisation des infrastructures IT, fournisseur de services Cloud hybrides, et expert…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  FOKUSfokus-it.frHQ: Lyon, FranceReported employees: 51-200 | Lyon, France | 51-200 | Exact match | 61 contacts → |
“FOKUS, où l’Humain et la Technologie se rencontrent.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Inforsud Technologiesinforsud-technologies.comHQ: Bozouls (rodez), FranceReported employees: 51-200 | Bozouls (rodez), France | 51-200 | Exact match | 60 contacts → |
“Prestataire de services informatiques, nous accompagnons nos clients PME, ETI, Collectivités à gérer, sécuriser et transformer leur Système d’Information depuis plus de 35 ans.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Artik Consultingartik-consulting.comHQ: Issy-les-moulineaux, FranceReported employees: 11-50 | Issy-les-moulineaux, France | 11-50 | Exact match | 59 contacts → |
“Artik Consulting Artik est une société de conseil technologique qui accompagne les grandes entreprises dans leurs projets de transformation SI.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Kern Consultingkern-consulting.frHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 59 contacts → |
“Kern Consulting est un cabinet d'experts spécialistes de la transformation de l'entreprise, convaincus que le Système d'Information en est un levier incontournable.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Arketeamarketeam.comHQ: Vandoeuvre Les Nancy, FranceReported employees: 51-200 | Vandoeuvre Les Nancy, France | 51-200 | Exact match | 57 contacts → |
“Créée en 2008, ARKETEAM est à la fois un éditeur de logiciels, un cabinet de conseil et de service spécialisé dans les systèmes d'information.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  IT Systemesitsystemes.frHQ: Malakoff, FranceReported employees: 11-50 | Malakoff, France | 11-50 | Exact match | 52 contacts → |
“Votre logiciel métier devrait vous appartenir.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Onefirstonefirstgroup.comHQ: Puteaux, FranceReported employees: 51-200 | Puteaux, France | 51-200 | Exact match | 49 contacts → |
“Onefirst Group is a Consultancy specialising in Information Systems Management and Digital Transformation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  CONIXconix.frHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 49 contacts → |
“Conix Technologies et Services est une ESN, filiale de Conix Services créée en 1997, dédiée à la réalisation et à la sécurisation du Système d’Information de l’entreprise étendue.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Atémisatemis.euHQ: La Chapelle Sur Erdre, FranceReported employees: 11-50 | La Chapelle Sur Erdre, France | 11-50 | Exact match | 49 contacts → |
“Depuis plus de 25 ans, ATÉMIS accompagne les entreprises dans la conception, le déploiement et la sécurisation de leurs infrastructures informatiques.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 679 company matches
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Legacy system modernization: dataset insights
September 20, 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
679 records in the displayed employee bands.
0 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 679 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: September 20, 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 ↗
Questions about this company list
What does Exact match mean for legacy system modernization?
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 legacy system modernization did RevenueBase find based in France?
The saved snapshot records 679 matching company records, 8,501 tracked contacts and 3,305 verified emails. The public preview displays 25 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: September 20, 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
Legacy system modernization by geography
- Legacy system modernization based in Brisbane, Australia
- Legacy system modernization based in Melbourne, Australia
- Legacy system modernization based in Sydney, Australia
- Legacy system modernization based in Belo Horizonte, Brazil
- Legacy system modernization based in Curitiba, Brazil
- Legacy system modernization based in Rio De Janeiro, Brazil
- Legacy system modernization based in Sao Paulo, Brazil
- Legacy system modernization based in Calgary, Canada
- Legacy system modernization based in Mississauga, Canada
- Legacy system modernization based in Montreal, Canada
- Legacy system modernization based in Ottawa, Canada
- Legacy system modernization based in Toronto, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 legacy system modernization based in France. Snapshot: September 20, 2026. https://revenuebase.ai/companies/legacy-system-modernization/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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Company intelligence · public preview
Top 25 legacy system modernization based in France
RevenueBase records 679 matching company records for legacy system modernization based in France, with 8,501 tracked contacts and 3,305 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 25 legacy system modernization 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 | Acensiacensi.fr HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 844 contacts → |
“You will be part of ACENSI network: 1650 co-workers involved in IS transformation projects at our clients through our multisectoral expertise.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | DCS Easywaredcsit-group.com HQ: Lyon, FranceReported employees: 1,001-5,000 | Lyon, France | 1,001-5,000 | Exact match | 532 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ITS Group S.Aitsgroup.com HQ: Boulogne-billancourt, FranceReported employees: 1,001-5,000 | Boulogne-billancourt, France | 1,001-5,000 | Exact match | 342 contacts → |
“For over 20 years, ITS Group has supported companies in their digital transformation projects thanks to the strength of its specialized areas of expertise.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cyllenegroupe-cyllene.com HQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 279 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Acelys Services Numériquesacelys.fr HQ: Montpellier, FranceReported employees: 51-200 | Montpellier, France | 51-200 | Exact match | 169 contacts → |
“Créée en 1997, Acelys Services Numériques est une entreprise de services numériques (ESN) basée en Occitanie.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | RBIrbi-informatique.fr HQ: Rennes, FranceReported employees: 11-50 | Rennes, France | 11-50 | Exact match | 133 contacts → |
“Dans un monde où tout s’accélère, la transformation numérique n’est plus une option : c’est un levier de compétitivité.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Labsoftlabsoft.fr HQ: Labège, FranceReported employees: 51-200 | Labège, France | 51-200 | Exact match | 132 contacts → |
“Labsoft SSII accompagne des grands comptes régionaux et national ainsi que des PME PMI.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ENGITengit.fr HQ: Valbonne, FranceReported employees: 51-200 | Valbonne, France | 51-200 | Exact match | 102 contacts → |
“engIT | Innovation IT & Transformation digitale - Faire du conseil différemment Depuis 2017, engIT accompagne les entreprises dans leurs projets stratégiques d'innovation…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Novahénovahe.fr HQ: Saint Cloud Cedex, FranceReported employees: 51-200 | Saint Cloud Cedex, France | 51-200 | Exact match | 92 contacts → |
“En 2018, AS-PC, EVEA TECHNOLOGY et INETD CONSULTING deviennent NOVAHE < Novahé accompagne les ETIs et les Grands Comptes dans l’optimisation et l’urbanisation de leur Système…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Digitalcookdigitalcook.fr HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 86 contacts → |
“DigitalCook #Weinspirechange Depuis 2016, DigitalCook accompagne les entreprises dans leurs projets de transformation digitale, infogérance, hardware & software, et cybesécurité.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Isitixisitix.com HQ: FranceReported employees: Not recorded | France | Not recorded | Exact match | 83 contacts → |
“Depuis 20 ans, Isitix accompagne vos projets informatiques et numériques.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hara Consultinghara-consulting.com HQ: Strasbourg, FranceReported employees: 51-200 | Strasbourg, France | 51-200 | Exact match | 81 contacts → |
“HARA Consulting est un groupe spécialisé dans la transformation numérique des entreprises par la mise en place d'outils IA, data et tech.+ 1⃣ 0⃣ 0⃣ Collaborateurs - Experts…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vaganetvaganet.fr HQ: Velizy-villacoublay, FranceReported employees: 51-200 | Velizy-villacoublay, France | 51-200 | Exact match | 79 contacts → |
“Pionnier du delivery agile depuis 2014, VAGANET met à disposition de ses clients des expertises techniques et fonctionnelles spécialisées dans la transformation et l’actualisation…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Attineos Infrastructuresattineos-infrastructures.com HQ: Mont-saint-aignan, FranceReported employees: 51-200 | Mont-saint-aignan, France | 51-200 | Exact match | 69 contacts → |
“Attineos Infrastructures est une jeune ESN, spécialisée dans les Systèmes & Réseaux informatiques.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tsplus Grouptsplus.net HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 66 contacts → |
“As businesses of all kinds become digital, organizations depend on the ability to create new disruptive business models, new ways to engage employees and customers, and new ways…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Kompositekomposite.fr HQ: Levallois-perret, FranceReported employees: 11-50 | Levallois-perret, France | 11-50 | Exact match | 63 contacts → |
“Partenaire de la transformation digitale des entreprises, Komposite est l’architecte de la modernisation des infrastructures IT, fournisseur de services Cloud hybrides, et expert…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | FOKUSfokus-it.fr HQ: Lyon, FranceReported employees: 51-200 | Lyon, France | 51-200 | Exact match | 61 contacts → |
“FOKUS, où l’Humain et la Technologie se rencontrent.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Inforsud Technologiesinforsud-technologies.com HQ: Bozouls (rodez), FranceReported employees: 51-200 | Bozouls (rodez), France | 51-200 | Exact match | 60 contacts → |
“Prestataire de services informatiques, nous accompagnons nos clients PME, ETI, Collectivités à gérer, sécuriser et transformer leur Système d’Information depuis plus de 35 ans.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Artik Consultingartik-consulting.com HQ: Issy-les-moulineaux, FranceReported employees: 11-50 | Issy-les-moulineaux, France | 11-50 | Exact match | 59 contacts → |
“Artik Consulting Artik est une société de conseil technologique qui accompagne les grandes entreprises dans leurs projets de transformation SI.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kern Consultingkern-consulting.fr HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 59 contacts → |
“Kern Consulting est un cabinet d'experts spécialistes de la transformation de l'entreprise, convaincus que le Système d'Information en est un levier incontournable.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Arketeamarketeam.com HQ: Vandoeuvre Les Nancy, FranceReported employees: 51-200 | Vandoeuvre Les Nancy, France | 51-200 | Exact match | 57 contacts → |
“Créée en 2008, ARKETEAM est à la fois un éditeur de logiciels, un cabinet de conseil et de service spécialisé dans les systèmes d'information.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | IT Systemesitsystemes.fr HQ: Malakoff, FranceReported employees: 11-50 | Malakoff, France | 11-50 | Exact match | 52 contacts → |
“Votre logiciel métier devrait vous appartenir.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Onefirstonefirstgroup.com HQ: Puteaux, FranceReported employees: 51-200 | Puteaux, France | 51-200 | Exact match | 49 contacts → |
“Onefirst Group is a Consultancy specialising in Information Systems Management and Digital Transformation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CONIXconix.fr HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 49 contacts → |
“Conix Technologies et Services est une ESN, filiale de Conix Services créée en 1997, dédiée à la réalisation et à la sécurisation du Système d’Information de l’entreprise étendue.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Atémisatemis.eu HQ: La Chapelle Sur Erdre, FranceReported employees: 11-50 | La Chapelle Sur Erdre, France | 11-50 | Exact match | 49 contacts → |
“Depuis plus de 25 ans, ATÉMIS accompagne les entreprises dans la conception, le déploiement et la sécurisation de leurs infrastructures informatiques.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 679 company matches
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Legacy system modernization: dataset insights
September 20, 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
679 records in the displayed employee bands.
0 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 679 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: September 20, 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 ↗
Questions about this company list
What does Exact match mean for legacy system modernization?
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 legacy system modernization did RevenueBase find based in France?
The saved snapshot records 679 matching company records, 8,501 tracked contacts and 3,305 verified emails. The public preview displays 25 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: September 20, 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.
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Cite this list
RevenueBase Data Team. Top 25 legacy system modernization based in France. Snapshot: September 20, 2026. https://revenuebase.ai/companies/legacy-system-modernization/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
- Legacy system modernization based in Brisbane, Australia
- Legacy system modernization based in Melbourne, Australia
- Legacy system modernization based in Sydney, Australia
- Legacy system modernization based in Belo Horizonte, Brazil
- Legacy system modernization based in Curitiba, Brazil
- Legacy system modernization based in Rio De Janeiro, Brazil