Company lists · Data refreshed November 2026

Top 25 Legacy system replacement consultants based in France

Name: Legacy system replacement consultants based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 365 companies tracked

RevenueBase identified 365 company matches for legacy system replacement consultants associated with France as of November 2026 and tracks 3,114 professional contacts across them, including 1,087 with verified work emails. Paris is the largest hub.

This list covers company matches for legacy system replacement consultants 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

365Companies

3,114Contacts tracked

1,087Verified emails

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The 25 largest legacy system replacement consultants based in France

Ranked by team size

Top 25 of 365 company matches for legacy system replacement consultants based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	KEY Performance Consulting KPC	Exact match	Aix-en-provence, FranceHQ recorded Nov 6, 2026	201-500	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
2	Reactis Group	Exact match	Aix-en-provence Cedex 3, FranceHQ recorded Nov 6, 2026	201-500	149 contacts →
	Exact match “Nous sommes une ESN qui accompagne les entreprises dans leurs projets IT grâce à des modes d'intervention flexibles : Assistance Technique Unitaire (ATU), Assistance Technique…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	IS Technologies	Exact match	Courbevoie Cedex, FranceHQ recorded Nov 6, 2026	n/a	127 contacts →
	Exact match “IS Technologies est une société de conseils et de services en informatique basée à La Défense.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Simphonis	Exact match	Beaucouzé, FranceHQ recorded Nov 6, 2026	51-200	82 contacts →
	Exact match “Unlock Your Digital Potential with SIMPHONIS!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Vaganet	Exact match	Velizy-villacoublay, FranceHQ recorded Nov 6, 2026	51-200	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 · Nov 6, 2026 · View company records in RevenueBase
6	FOKUS	Exact match	Lyon, FranceHQ recorded Nov 6, 2026	51-200	68 contacts →
	Exact match “FOKUS, où l’Humain et la Technologie se rencontrent.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Artik Consulting	Exact match	Issy-les-moulineaux, FranceHQ recorded Nov 6, 2026	11-50	60 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 · Nov 6, 2026 · View company records in RevenueBase
8	Ootary	Exact match	Soultz-haut-rhin, FranceHQ recorded Nov 6, 2026	11-50	47 contacts →
	Exact match “Simplify your IT projects and accelerate your digital transformation Whether it’s migrating to an ERP system, optimizing your IT infrastructure, or managing data flows… these are…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Kertios	Exact match	Suresnes, FranceHQ recorded Nov 6, 2026	11-50	39 contacts →
	Exact match “Le groupe Kertios est composé d'activités de Conseil et de Technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Move Solutions	Exact match	69002, FranceHQ recorded Nov 6, 2026	51-200	37 contacts →
	Exact match “Move Solutions is an IT services company specialized in development and transformation of information systems : Data Migration, Modernization and Maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Akvize EX Cloudixio	Exact match	Paris, FranceHQ recorded Nov 6, 2026	11-50	34 contacts →
	Exact match “AKVIZE (ex CloudixIO) est un cabinet de conseil spécialisée dans le management de la fonction IT, et l'adoption du digital et des technologies pour accroitre la performance des…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Management Square	Exact match	Montigny-le-bretonneux, FranceHQ recorded Nov 6, 2026	51-200	33 contacts →
	Exact match “Depuis sa création, Management Square s'est positionné comme un acteur de référence dans l'accompagnement des entreprises face aux défis actuels du monde numérique.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	ATM Consulting	Exact match	Valence, FranceHQ recorded Nov 6, 2026	11-50	32 contacts →
	Exact match “Société de conseil informatique, ATM Consulting vous accompagne dans vos projets d'organisation et de modernisation de votre système d'information.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	JLL Solutions IT	Exact match	Bois-colombes, FranceHQ recorded Nov 6, 2026	11-50	31 contacts →
	Exact match “JLL Solutions IT est une entreprise de services informatiques spécialisée dans la modernisation des environnements de travail, le conseil et le déploiement des infrastructures…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Kantena Technologies	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	31 contacts →
	Exact match “KANTENA TECHNOLOGIES KANTENA TECHNOLOGIES appartient au Groupe KW.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Viaaduc	Exact match	Paris, FranceHQ recorded Nov 6, 2026	11-50	30 contacts →
	Exact match “ViaAduc expert depuis plus de 15 ans dans la conduite et l’accompagnement du changement vous accompagne dans le cadre de vos projets d’implémentation et/ou migration d’ERP (SAP…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Trend-It	Exact match	Paris, FranceHQ recorded Nov 6, 2026	11-50	29 contacts →
	Exact match “TREND-IT est un cabinet de conseil IT, d’expertise technique et de transformation digitale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	We ARE Beebay	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	28 contacts →
	Exact match “We Are Beebay is an IT consulting agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	OGI Groupe	Exact match	Chartres De Bretagne, FranceHQ recorded Nov 6, 2026	51-200	27 contacts →
	Exact match “Depuis OGI conseille et accompagne avec succès ses clients dans la mise en oeuvre de tous leurs projets informatiques.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Kp2i	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	27 contacts →
	Exact match “KP2i est un cabinet de Conseil & de Services qui vous accompagne pour transformer votre système d’information en un véritable partenaire business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Devoteam Nexdigital	Exact match	Levallois-perret, FranceHQ recorded Nov 6, 2026	51-200	26 contacts →
	Exact match “Devoteam nexDigital est une société de conseil IT spécialisée dans la modernisation et la transformation des Systèmes d'Information.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Xdemat- Conseil EN Gouvernance DE L'information	Exact match	Guyancourt, FranceHQ recorded Nov 6, 2026	11-50	26 contacts →
	Exact match “XDEMAT est une société de conseil dans le domaine des systèmes d’information.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	BEK Advisory	Exact match	Paris, FranceHQ recorded Nov 6, 2026	11-50	25 contacts →
	Exact match “Bek Advisory est un cabinet de conseil en management et en organisation spécialisé dans la gestion de projets de transformation SI et métier.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Green-Si By Proxiad	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	25 contacts →
	Exact match “Green-SI Consulting vous assiste dans la définition des évolutions cibles de votre SI, à travers sa couverture des étapes clés du cycle de vie d’un projet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	ADN Conseils	Exact match	Chauny, FranceHQ recorded Nov 6, 2026	11-50	24 contacts →
	Exact match “AdN Conseils 🧬 forme, équipe, sécurise et conseille en informatique les PME de tous secteurs d’activités confondus.” 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 “legacy system replacement consultants”. 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 365 legacy system replacement consultants based in France

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Legacy system replacement consultants based in France at a glance

As of Nov 6, 2026

34.9%Verified-email coverage

8.5Average contacts per company

1-10Median size (employees)

24.4%Largest-city concentration · Paris

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

253

11-50

51-200

201-500

501-1,000

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 365 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 replacement consultants” 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 1,087 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.

Legacy system replacement consultants by metro

Legacy system replacement consultants in Paris89

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 replacement consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy system replacement consultants are there based in France?

RevenueBase identified 365 company matches for legacy system replacement consultants 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?

KEY Performance Consulting KPC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most legacy system replacement consultants?

Paris leads with 89 company records, followed by Lyon (18) and Toulouse (9).

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 1,087 professional contacts with verified work emails tracked across these 365 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.

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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.