Company lists · Data verified August 2026

Top 25 Commercial law firms based in Luxembourg

Name: Commercial law firms based in Luxembourg
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 135 companies tracked

There are 135 commercial law firms headquartered in Luxembourg (RevenueBase, August 2026). RevenueBase tracks 5,058 professional contacts across them, including 1,879 with verified work emails and 107 with mobile numbers. Luxembourg is the largest hub.

This list covers commercial law 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.

135Companies

5,058Contacts tracked

1,879Verified emails

107Mobile numbers

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The 25 largest commercial law firms based in Luxembourg

Ranked by team size

Top 25 of 135 commercial law 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	Deloitte Legal	Luxembourg	1,001-5,000	2,205	433
2	Arendt & Medernach	Luxembourg	501-1,000	848	489
3	Nautadutilh	Luxembourg	501-1,000	727	458
4	Kleyr Grasso	Strassen	51-200	81	49
5	Strelia	Luxembourg	51-200	68	51
6	DLA Piper In Luxembourg	Luxembourg	51-200	63	31
7	Brucher Thieltgen & Partners	Luxembourg	11-50	53	35
8	Baker Mckenzie Luxembourg	Luxembourg	51-200	46	34
9	DSM Avocats À LA Cour	Luxembourg	11-50	41	27
10	Simmons & Simmons Luxembourg LLP	Luxembourg	11-50	37	24
11	Annerton	Senningerberg	11-50	35	23
12	Ts&p	Luxembourg	11-50	30	21
13	Brouxel & Rabia, Luxembourg LAW Firm	Luxembourg	11-50	22	15
14	Schiltz & Schiltz S.A	Luxembourg	11-50	21	15
15	Bonn & Schmitt	Luxembourg	11-50	20	10
16	Wildgen, Luxembourg LAW Firm	Luxembourg	51-200	20	1
17	Turk & Prum Avocats À LA Cour	Luxembourg	11-50	18	11
18	Thewes & Reuter	Luxembourg	11-50	15	10
19	CM LAW	Luxembourg	11-50	13	4
20	Chevalier & Sciales	Luxembourg	11-50	11	8
21	B.A. Fiduciaire	Luxembourg	11-50	10	7
22	LEX Thielen & Partners	Luxembourg	11-50	10	7
23	MNKS	Luxembourg	51-200	10	2
24	Adam & Bleser	Luxembourg	11-50	9	7
25	Dupont Partners	Luxembourg	11-50	9	3

Showing 25 of 135 commercial law firms based in Luxembourg

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Commercial law firms based in Luxembourg at a glance

As of Aug 28, 2026

1-10Median size (employees)

LuxembourgLargest hub · 110 HQs

107Contacts with mobile numbers

16Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

5,001-10,000

Commercial law firms by metro

Metro	Companies
Commercial law firms in Luxembourg	110
Commercial law firms in Senningerberg	3
Commercial law firms in Strassen	3
Commercial law firms in Howald	2
Commercial law firms in Luxemburg	2
Commercial law firms in Dudelange	2
Commercial law firms in Esch-Sur-Alzette	2

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 “commercial law 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; 16 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 commercial law firms are there based in Luxembourg?

There are 135 commercial law firms headquartered in Luxembourg as of August 2026 (RevenueBase).

What is the largest company on this list?

Deloitte Legal, headquartered in Luxembourg, tops this list with the largest team on record.

Which city has the most commercial law firms?

Luxembourg leads with 110 headquartered companies, followed by Senningerberg (3) 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 1,879 verified decision-maker contacts tracked across these 135 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.