Company lists · Data verified August 2026

Top 25 Accounts management consulting firms based in Luxembourg

Name: Accounts management consulting firms based in Luxembourg
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 85 companies tracked

There are 85 accounts management consulting firms headquartered in Luxembourg (RevenueBase, August 2026). RevenueBase tracks 897 professional contacts across them, including 282 with verified work emails and 17 with mobile numbers. Luxembourg is the largest hub.

This list covers accounts management consulting firms headquartered in Luxembourg, 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.

85Companies

897Contacts tracked

282Verified emails

17Mobile numbers

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The 25 largest accounts management consulting firms based in Luxembourg

Ranked by team size

Top 25 of 85 accounts management consulting firms based in Luxembourg, 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 Belux	Diekirch	51-200	127	87
2	Parva Consulting	Luxembourg	51-200	90	44
3	IQ Solutions Luxembourg	Leudelange	51-200	73	10
4	GCP Consulting	Luxembourg	11-50	34	22
5	Ease S.A	Luxembourg	11-50	22	5
6	OYESK	Bertrange	51-200	18	3
7	Fiduciaire Eurolux	Luxembourg	11-50	16	9
8	Framenatic	Wemperhardt Diekirch	11-50	15	10
9	STRAS	Luxembourg	11-50	13	5
10	Corexperts S.A	Rumelange	11-50	12	7
11	Fiduciaire DES P.M.E	Luxembourg	11-50	12	3
12	Memola & Partners S.A	Luxembourg	11-50	11	8
13	B&r Consulting Luxembourg	Luxembourg	1-10	10	10
14	B.A. Fiduciaire	Luxembourg	11-50	10	7
15	Axon Advisory & Consulting	Flaxweiler	11-50	10	7
16	Beonti S.A	Munsbach	1-10	7	5
17	IBS & Partners	Luxembourg	11-50	6	6
18	FIDUO	Luxembourg	11-50	6	5
19	JW Partner	Windhof Koerich	1-10	6	3
20	Euraudit Consult S.A	Luxembourg	1-10	6	1
21	Thecatalysts	Luxembourg	1-10	5	5
22	The Accounting Brothers	Luxembourg	1-10	5	3
23	MTM Partners	Luxembourg	11-50	4	1
24	Rassion	Lorentzweiler Bofferdange	1-10	3	2
25	JD TAX & Services	Wilz	1-10	3	2

Showing 25 of 85 accounts management consulting firms based in Luxembourg

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Accounts management consulting firms based in Luxembourg at a glance

As of Aug 28, 2026

1-10Median size (employees)

LuxembourgLargest hub · 49 HQs

17Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Accounts management consulting firms by metro

Metro	Companies
Accounts management consulting firms in Luxembourg	49
Accounts management consulting firms in Bertrange	5
Accounts management consulting firms in Strassen	3
Accounts management consulting firms in Steinfort	2
Accounts management consulting firms in Esch-Sur-Alzette	2
Accounts management consulting firms in Belvaux	1
Accounts management consulting firms in Wemperhardt	1
Accounts management consulting firms in Flaxweiler	1

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 “accounts management consulting firms”, with match quality audited by blind human judging, and headquartered in Luxembourg.
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; 2 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 accounts management consulting firms are there based in Luxembourg?

There are 85 accounts management consulting firms headquartered in Luxembourg as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most accounts management consulting firms?

Luxembourg leads with 49 headquartered companies, followed by Bertrange (5) and Strassen (3).

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 282 verified decision-maker contacts tracked across these 85 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.