Company lists · Data refreshed September 2026
Top 25 System architecture consulting firms based in France
RevenueBase identified 1,642 system architecture consulting firms headquartered in France as of September 2026 and tracks 40,911 professional contacts across them, including 14,645 with verified work emails. Paris is the largest hub.
This list covers system architecture consulting firms headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 system architecture consulting firms based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,190 contacts → | ||||
Partial evidence “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,928 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,169 contacts → | ||||
Indirect evidence “Gfi became Inetum in 2020.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,735 contacts → | ||||
Indirect evidence “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.).” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,668 contacts → | ||||
Partial evidence “mc2i is an independent consultancy in Information System.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 833 contacts → | ||||
Partial evidence “Viveris is a consulting and engineering company with two main activities - IT consulting.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 719 contacts → | ||||
Indirect evidence “Square Management est un cabinet de conseil spécialisé en stratégie et organisation qui accompagne ses clients dans l’anticipation, la conception et la réalisation de leurs…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 714 contacts → | ||||
Indirect evidence “Le Groupe INTM est une société de conseil et de services en ingénierie numérique, dont le positionnement s'inscrit depuis plusieurs années dans une volonté de proximité, d'écoute…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 404 contacts → | ||||
Indirect evidence “We+ est un cabinet de conseil expert en IT, membre de l’écosystème Alan Allman Associates.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 395 contacts → | ||||
Strong evidence “Objectware Group is an IT Services Company (or ESN: Entreprise de Services du Numérique), founded in and dedicated to consulting and IT system engineering.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 325 contacts → | ||||
Partial evidence “Devoteam is a leading provider of Premium Microsoft Cloud Consulting and Managed services in EMEA.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 313 contacts → | ||||
Partial evidence “Magellan Consulting devient Magellan!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 279 contacts → | ||||
Partial evidence “Chez Cyllene, on couvre le spectre complet de votre besoin en termes de : Conseils 🧬 Définition d’architectures Hébergement & Services managés Cybersécurité & Formations…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 232 contacts → | ||||
Partial evidence “Business At Work is a management and information systems consultancy company offering a range of services entirely focused towards the optimisation of the internal functions of…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 223 contacts → | ||||
Indirect evidence “We are independent experts in networking and telecommunications.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 211 contacts → | ||||
Partial evidence “Iliade Consulting is an IT Consulting Company specialized in the energy and water sector.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 198 contacts → | ||||
Indirect evidence “Oxyl Groupe | L’humain au cœur de la technologie Chez Oxyl Groupe, nous accompagnons les entreprises dans leurs transformations digitales avec une conviction simple : la…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 190 contacts → | ||||
Indirect evidence “Prolival is a French IT company, specialised in the conception, implementation and management of IT infrastructures for its clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 181 contacts → | ||||
Indirect evidence “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?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 175 contacts → | ||||
Partial evidence “Les métiers de BK Consulting - Salle de marché (Front/Middle/Back Office)- Asset Management - Administration de fonds - R&D (pricers) Nous sommes présents sur Paris et…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 157 contacts → | ||||
Indirect evidence “Since 2005, HR Team, Digital Services Company, has been ensuring a digital strategy in line with the ambition of its customers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 151 contacts → | ||||
Indirect evidence “Expertime, Partenaire de votre performance digitale!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 145 contacts → | ||||
Indirect evidence “Valeuriad - valeurs, innovation & digital Notre vocation Plus qu’une compétence technique, nous apportons à nos clients un réel savoir-faire et savoir-être.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 143 contacts → | ||||
Indirect evidence “Expertise en infrastructure.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 143 contacts → | ||||
Indirect evidence “Société spécialisée dans le Conseil IT pour les organismes financiers, FINAXYS accompagne ses clients sur les phases de spécification, de conception et de réalisation de leurs…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: system architecture consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names system architecture consulting firms.
- Partial evidence
- Its own public description names part of system architecture consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name system architecture consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,642 system architecture consulting firms based in France
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 14,645 reachable decision-makers.
Free signup · no credit card
System architecture consulting firms based in France at a glance
As of Sep 29, 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 1,642 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among system architecture consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in France whose own description of what they do matches “system architecture consulting firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names system architecture consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among system architecture consulting firms, and records with no verified work email. Companies headquartered outside France are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 14,645 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
System architecture consulting firms by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names system architecture consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many system architecture consulting firms are there based in France?
RevenueBase identified 1,642 system architecture consulting firms headquartered in France as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Wavestone, headquartered in La Defense, tops this list with the largest team on record.
Which city has the most system architecture consulting firms?
Paris leads with 457 headquartered companies, followed by Lyon (57) and Toulouse (32).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 14,645 verified decision-maker contacts tracked across these 1,642 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,642 system architecture consulting firms based in France. Start with a free account, no credit card.
Download this list →Related lists
System architecture consulting firms by geography
- System architecture consulting firms based in Buenos Aires, Argentina
- System architecture consulting firms based in Adelaide, Australia
- System architecture consulting firms based in Brisbane, Australia
- System architecture consulting firms based in Melbourne, Australia
- System architecture consulting firms based in Perth, Australia
- System architecture consulting firms based in Sydney, Australia
- System architecture consulting firms based in Vienna, Austria
- System architecture consulting firms based in Barueri, Brazil
- System architecture consulting firms based in Belo Horizonte, Brazil
- System architecture consulting firms based in Campinas, Brazil
- System architecture consulting firms based in Curitiba, Brazil
- System architecture consulting firms based in Porto Alegre, Brazil
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 Smart Search, 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
- System architecture consulting firms based in Buenos Aires, Argentina
- System architecture consulting firms based in Adelaide, Australia
- System architecture consulting firms based in Brisbane, Australia
- System architecture consulting firms based in Melbourne, Australia
- System architecture consulting firms based in Perth, Australia
- System architecture consulting firms based in Sydney, Australia