Company lists · Data verified August 2026

Top 22 Antitrust law firms based in Madrid, Spain

There are 191 antitrust law firms headquartered in Madrid, Spain (RevenueBase, August 2026). RevenueBase tracks 1,474 professional contacts across them, including 188 with verified work emails and 8 with mobile numbers. Madrid is the largest hub.

This list covers antitrust law firms headquartered in Madrid, Spain, 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.

191Companies
1,474Contacts tracked
188Verified emails
8Mobile numbers
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The 22 largest antitrust law firms based in Madrid, Spain

Ranked by team size
Top 22 of 191 antitrust law firms based in Madrid, Spain, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1Cremades & Calvo-SoteloMadrid51-20023643
2BPV AbogadosMadrid51-2009820
3Araoz & RuedaMadrid11-506222
4MavensMadrid11-50475
5Santiago Mediano AbogadosMadrid11-504311
6Escalona & DE FuentesMadrid11-50256
7IUS Aequitas Trial LawyersMadrid11-50254
8DE Carlos RemónMadrid11-50254
9Blecua LegalMadrid11-50245
10Blas Camacho AbogadosMadrid11-50211
11Rivero & Gustafson AbogadosMadrid11-50202
12Mlab AbogadosMadrid11-50186
13RēgulaMadrid11-50165
14Ruiz Gallardón AbogadosMadrid11-50153
15Valero SAN RománMadrid51-200131
16López-Hermoso AbogadosMadrid11-50122
17Callol, Coca & AsociadosMadrid11-50115
18Trebia AbogadosMadrid11-50101
19GBA LabelMadrid11-5092
20Argali, AbogadosMadrid11-5082
21Rrbs Legal, Romero REY & Benito Sancho AbogadosMadrid11-5071
22Salvador Ferrandis & PartnersMadrid11-5011

Showing 22 of 191 antitrust law firms based in Madrid, Spain

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Antitrust law firms based in Madrid, Spain at a glance

As of Aug 28, 2026
1-10Median size (employees)
MadridLargest hub · 191 HQs
8Contacts with mobile numbers
1Emails re-verified in last 30 days

Companies by employee count

1-10
128
11-50
56
51-200
6

Antitrust law firms by metro in Spain

MetroCompanies
Antitrust law firms in Madrid191
Antitrust law firms in Barcelona83
Antitrust law firms in Valencia29
Antitrust law firms in Sevilla17
Antitrust law firms in Malaga16
Antitrust law firms in Vigo10
Antitrust law firms in Bilbao10

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 “antitrust law firms”, with match quality audited by blind human judging, and headquartered in Madrid, Spain.
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; 1 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 antitrust law firms are there based in Madrid, Spain?

There are 191 antitrust law firms headquartered in Madrid, Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Cremades & Calvo-Sotelo, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most antitrust law firms?

Madrid leads with 191 headquartered companies, followed by Barcelona (83) and Valencia (29).

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 188 verified decision-maker contacts tracked across these 191 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.