Company lists · Data verified August 2026

Top 24 Accounting firms for international nonprofits based in Luxembourg

Name: Accounting firms for international nonprofits based in Luxembourg
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 55 companies tracked

There are 55 accounting firms for international nonprofits headquartered in Luxembourg (RevenueBase, August 2026). RevenueBase tracks 1,100 professional contacts across them, including 489 with verified work emails and 17 with mobile numbers. Luxembourg is the largest hub.

This list covers accounting firms for international nonprofits 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.

55Companies

1,100Contacts tracked

489Verified emails

17Mobile numbers

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The 24 largest accounting firms for international nonprofits based in Luxembourg

Ranked by team size

Top 24 of 55 accounting firms for international nonprofits 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	BDO Luxembourg	Diekirch	501-1,000	606	345
2	Atwell	Hesperange	51-200	46	25
3	PKF Audit & Conseil Luxembourg	Luxembourg	11-50	39	23
4	A3t S.A	Belvaux	11-50	21	11
5	Ficel Group Luxembourg	Luxembourg	51-200	20	4
6	Efitax Expertises	Steinfort	11-50	17	8
7	Corexperts S.A	Rumelange	11-50	12	7
8	NOW Corporate Solutions	Howald	1-10	11	9
9	Memola & Partners S.A	Luxembourg	11-50	11	8
10	Mazars In Luxembourg	Luxembourg	201-500	11	3
11	B&r Consulting Luxembourg	Luxembourg	1-10	10	10
12	B.A. Fiduciaire	Luxembourg	11-50	10	7
13	Ludwig Consult	Wasserbillig Grevenmacher	51-200	10	1
14	Fiduciaire Pierre Kraus & Associés S. À R.L.	Mersch	11-50	7	4
15	IBS & Partners	Luxembourg	11-50	6	6
16	FIDUO	Luxembourg	11-50	6	5
17	JW Partner	Windhof Koerich	1-10	6	3
18	Euraudit Consult S.A	Luxembourg	1-10	6	1
19	Fiduciaire Schneider & Associes	Niederanven	11-50	3	2
20	Confiancia St. Vith Weiswampach	Weiswampach	11-50	3	2
21	GSL Fiduciaire	Esch-Sur-Alzette	11-50	2	2
22	Galux S.À R.L	Luxembourg	1-10	2	1
23	Fiduciaire DE L'est	Luxembourg	11-50	1	1
24	Carnin S.A	Steinfort	1-10	1	1

Showing 24 of 55 accounting firms for international nonprofits based in Luxembourg

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Accounting firms for international nonprofits based in Luxembourg at a glance

As of Aug 28, 2026

11-50Median size (employees)

LuxembourgLargest hub · 24 HQs

17Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Accounting firms for international nonprofits by metro

Metro	Companies
Accounting firms for international nonprofits in Luxembourg	24
Accounting firms for international nonprofits in Bertrange	5
Accounting firms for international nonprofits in Steinfort	2
Accounting firms for international nonprofits in Mersch	2
Accounting firms for international nonprofits in Strassen	2
Accounting firms for international nonprofits in Esch-Sur-Alzette	2
Accounting firms for international nonprofits in Belvaux	1
Accounting firms for international nonprofits in Useldange Useldange	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 “accounting firms for international nonprofits”, 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; 4 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 for international nonprofits are there based in Luxembourg?

There are 55 accounting firms for international nonprofits headquartered in Luxembourg as of August 2026 (RevenueBase).

What is the largest company on this list?

BDO Luxembourg, headquartered in Diekirch, tops this list with the largest team on record.

Which city has the most accounting firms for international nonprofits?

Luxembourg leads with 24 headquartered companies, followed by Bertrange (5) and Steinfort (2).

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 489 verified decision-maker contacts tracked across these 55 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.