Company lists · Data verified August 2026

Top 25 Data center consulting firms based in France

Name: Data center consulting firms based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 423 companies tracked

There are 423 data center consulting firms headquartered in France (RevenueBase, August 2026). RevenueBase tracks 5,065 professional contacts across them, including 1,926 with verified work emails and 118 with mobile numbers. Paris is the largest hub.

This list covers data center consulting firms headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

423Companies

5,065Contacts tracked

1,926Verified emails

118Mobile numbers

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The 25 largest data center consulting firms based in France

Ranked by team size

Top 25 of 423 data center consulting firms based in France, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Devoteam Microsoft Partner	Levallois Perret	1,001-5,000	326	132
2	Avisia	Lyon	201-500	280	177
3	Cyllene	Nanterre	201-500	279	206
4	CNS Communications	Marseille	51-200	220	131
5	Stordata	Nantes	51-200	149	110
6	Ava6	Limonest	51-200	111	65
7	Lineup7	Paris	51-200	98	55
8	HRC Consulting	Lyon	51-200	90	63
9	Deletec	Paris	51-200	78	38
10	Azurreo	Croissy-Sur-Seine	51-200	76	17
11	Adlere	Bordeaux	51-200	73	1
12	Erese Groupe Scet HTC	Paris	51-200	61	39
13	Boston Storage	Toulouse	51-200	60	30
14	Brixio	Paris	51-200	52	12
15	Naitways	Lyon	51-200	51	36
16	Neoedge	n/a	11-50	48	40
17	Stephya	n/a	51-200	48	16
18	RSM Consulting	La Garenne Colombes	51-200	47	12
19	IDNA	Paris	11-50	42	15
20	LES Filles ET LES Garçons DE LA Tech	France	51-200	41	23
21	Groupe Acmi	Paris	11-50	40	29
22	Setec IS	Lyon	11-50	39	5
23	Critical Building	Fontenay-Aux-Roses	11-50	37	21
24	Flexsi	Tours	11-50	36	23
25	Solutiondata Groupe Cheops Technology	Toulouse	51-200	35	21

Showing 25 of 423 data center consulting firms based in France

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Data center consulting firms based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 122 HQs

118Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

266

11-50

106

51-200

201-500

1,001-5,000

Data center consulting firms by metro

Metro	Companies
Data center consulting firms in Paris	122
Data center consulting firms in Lyon	19
Data center consulting firms in Toulouse	10
Data center consulting firms in Boulogne-Billancourt	7
Data center consulting firms in Puteaux	6
Data center consulting firms in Nanterre	6
Data center consulting firms in Marseille	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “data center consulting firms”, with match quality audited by blind human judging, and headquartered in France.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many data center consulting firms are there based in France?

There are 423 data center consulting firms headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

Devoteam Microsoft Partner, headquartered in Levallois Perret, tops this list with the largest team on record.

Which city has the most data center consulting firms?

Paris leads with 122 headquartered companies, followed by Lyon (19) and Toulouse (10).

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 1,926 verified decision-maker contacts tracked across these 423 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.