Company lists · Data refreshed November 2026

Top 19 Legacy application modernization companies based in Paris, France

Name: Legacy application modernization companies based in Paris, France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 63 companies tracked

RevenueBase identified 63 company matches for legacy application modernization companies associated with Paris, France as of November 2026 and tracks 2,435 professional contacts across them, including 1,265 with verified work emails. Across France, Paris is the largest hub for this category.

This list covers company matches for legacy application modernization companies associated with Paris, 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

63Companies

2,435Contacts tracked

1,265Verified emails

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The 19 largest legacy application modernization companies based in Paris, France

Ranked by team size

Top 19 of 63 company matches for legacy application modernization companies based in Paris, 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	Cyllene	Exact match	Paris, FranceHQ recorded Nov 6, 2026	201-500	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
2	Diggers	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	60 contacts →
	Exact match “Diggers est un cabinet de conseil facilitateur de projets et de transformations, spécialisé dans les métiers de l'IT (développement, data & IA, devops, cloud) et une agence de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Neoxia	Exact match	Paris, FranceHQ recorded Nov 6, 2026	201-500	49 contacts →
	Exact match “Since octobre 2023, Neoxia is a Deloitte business!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	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
5	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
6	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
7	Euraxiel	Exact match	Paris, FranceHQ recorded Nov 6, 2026	11-50	23 contacts →
	Exact match “Notre ADN : la qualité des développements et l’industrialisation des processus.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Energy WAY	Exact match	Paris, FranceHQ recorded Nov 6, 2026	11-50	15 contacts →
	Exact match “Energy Way est une ESN spécialisée dans la modernisation et la transformation digitale des systèmes d’information critiques, avec une expertise reconnue en environnements…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Mayasquad	Exact match	Paris, FranceHQ recorded Nov 6, 2026	11-50	13 contacts →
	Exact match “Architecte de la transformation digitale et de l'innovation des entreprises.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Craftmania	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	9 contacts →
	Exact match “Dans un marché obsédé par le time-to-market, nous défendons une idée simple : une application n'est pas un livrable, c'est un actif.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	RÆDY	Exact match	Paris, FranceHQ recorded Nov 6, 2026	11-50	7 contacts →
	Exact match “En fédérant les meilleures expertises de l'IT, du Digital, du Marketing et de la Communication, Rædy vous accompagne dans l'accélération digitale pour contribuer activement à…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Cogiphi	Exact match	Paris, FranceHQ recorded Nov 6, 2026	11-50	6 contacts →
	Exact match “Spécialistes de la Gouvernance, des Risques et de la Conformité (GRC), nous intervenons sur l’ensemble du cycle de vie des projets : cadrage, AMOA, intégration, déploiement et…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Rebaze	Exact match	Paris, FranceHQ recorded Nov 6, 2026	11-50	6 contacts →
	Exact match “REBAZE est un cabinet de conseil, design et développement agile spécialisé dans l’accélération de l’IT de ses clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	VEDUS	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1-10	4 contacts →
	Exact match “Vedus is a leading IT consulting firm specializing in delivering cutting-edge software solutions and providing top-notch software engineering services to companies of all sizes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Mindcross	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “Accélérez votre transformation digitale avec notre expertise!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Olbati	Exact match	Paris, FranceHQ recorded Nov 6, 2026	11-50	3 contacts →
	Exact match “Nous sommes un nouveau genre de société de services et de conseil en IT, repensée pour la décennie des années 2020.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Barycenter Europe	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “Barycenter Europe helps teams modernize critical software systems without freezing delivery.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	CYLAO	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “Créée début 2018, CYLAO est une jeune entreprise qui relève le défi de mettre les technologies émergentes au service de ses clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Nexaby	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “Nexaby - Simple make IT better Nexaby est une société de conseil spécialisée en développements logiciels et architecture des SI.” 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 application modernization 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 19 of 63 legacy application modernization companies based in Paris, France

See the full list, filter by size, metro and specialty, and access 1,265 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Legacy application modernization companies based in Paris, France at a glance

As of Nov 6, 2026

52.0%Verified-email coverage

38.7Average contacts per company

11-50Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole France list rather than for Paris, so it is reported there. Company counts and contact totals on this page are exact for Paris, over 63 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 Paris, France whose business descriptions match “legacy application modernization 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 1,265 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.

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 application modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy application modernization companies are there based in Paris, France?

RevenueBase identified 63 company matches for legacy application modernization companies associated with Paris, 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?

Cyllene tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in France has the most legacy application modernization companies?

Paris leads France with 63 company records, followed by Lyon (10) and Montpellier (4).

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 1,265 professional contacts with verified work emails tracked across these 63 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.