Company lists · Data verified August 2026

Top 25 Accounting firms based in Lyon, France

Name: Accounting firms based in Lyon, France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 101 companies tracked

There are 101 accounting firms headquartered in Lyon, France (RevenueBase, August 2026). RevenueBase tracks 4,960 professional contacts across them, including 2,738 with verified work emails and 62 with mobile numbers. Paris is the largest hub.

This list covers accounting firms headquartered in Lyon, 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.

101Companies

4,960Contacts tracked

2,738Verified emails

62Mobile numbers

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The 25 largest accounting firms based in Lyon, France

Ranked by team size

Top 25 of 101 accounting firms based in Lyon, 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	In Extenso	Lyon	5,001-10,000	3,308	1,953
2	PKF Arsilon	Lyon	501-1,000	774	397
3	ORIAL	Lyon	51-200	217	129
4	Vertycal	Lyon	11-50	32	25
5	LF Experts	Lyon	11-50	31	11
6	ABC Comptabilite	Lyon	11-50	28	15
7	Aragor Expertise-Comptable Audit	Lyon	11-50	27	22
8	DGA Expertise	Lyon	11-50	26	17
9	Agili3f	Lyon	11-50	24	12
10	Ekylis	Lyon	51-200	21	12
11	SDRA	Lyon	11-50	20	9
12	Avancia	Lyon	11-50	18	10
13	Acom Expertise Région Rhône-Alpes	Lyon	51-200	14	6
14	Groupe Canopée	Lyon	11-50	13	11
15	Kontea	Lyon	1-10	13	7
16	Augely	Lyon	11-50	12	2
17	Ohayon	Lyon	11-50	11	8
18	Chiffres & Conseils	Lyon	11-50	11	6
19	FGA Expert-Comptable	Lyon	11-50	10	5
20	Crowe Exenco Groupe Fideliance	Lyon	11-50	10	1
21	Heress Associes	Lyon	1-10	8	5
22	Analys Conseils	Lyon	11-50	7	5
23	Diceme	Lyon	1-10	7	4
24	ADEKI	Lyon	1-10	7	3
25	Redex & Associes	Lyon	11-50	7	1

Showing 25 of 101 accounting firms based in Lyon, France

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Accounting firms based in Lyon, France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 756 HQs

62Contacts with mobile numbers

15Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

5,001-10,000

Accounting firms by metro in France

Metro	Companies
Accounting firms in Paris	756
Accounting firms in Lyon	101
Accounting firms in Marseille	70
Accounting firms in Toulouse	69
Accounting firms in Strasbourg	48
Accounting firms in Montpellier	45
Accounting firms in Nice	36

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 “accounting firms”, with match quality audited by blind human judging, and headquartered in Lyon, 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; 15 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 accounting firms are there based in Lyon, France?

There are 101 accounting firms headquartered in Lyon, France as of August 2026 (RevenueBase).

What is the largest company on this list?

In Extenso, headquartered in Lyon, tops this list with the largest team on record.

Which city has the most accounting firms?

Paris leads with 756 headquartered companies, followed by Lyon (101) and Marseille (70).

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 2,738 verified decision-maker contacts tracked across these 101 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.