Company lists · Data verified August 2026

Top 24 Constitutional law firms based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 513 companies tracked

There are 513 constitutional law firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 1,752 professional contacts across them, including 86 with verified work emails and 28 with mobile numbers. Madrid is the largest hub.

This list covers constitutional law firms headquartered in 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.

513Companies

1,752Contacts tracked

86Verified emails

28Mobile numbers

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The 24 largest constitutional law firms based in Spain

Ranked by team size

Top 24 of 513 constitutional law firms based in Spain, 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	LE Morne Brabant Abogados	Alicante	11-50	34	1
2	Domingo Monforte Abogados Asociados	Valencia	11-50	31	2
3	Bufete MAS Y Calvet	Madrid	11-50	27	1
4	IUS Aequitas Trial Lawyers	Madrid	11-50	25	4
5	MBE Legal	Madrid	11-50	24	1
6	DE Castro Estudio DE Abogados	Madrid	1-10	16	2
7	Peraltalaw Abogados	Malaga	11-50	14	1
8	Ramos García Vallés, Abogados	Madrid	11-50	13	2
9	Castillo Castrillón Zapata	Valencia Valencia	51-200	12	1
10	Ramón C. Pelayo Abogados	Marbella	11-50	11	2
11	Administrativando Abogados	Cordoba	11-50	11	1
12	Summons Abogados	Madrid	11-50	10	3
13	Badia Advocats	Terrassa	11-50	10	2
14	Gabinete Solà Advocats	Barcelona	11-50	8	1
15	Área Pública	Barcelona	1-10	8	1
16	Ecourban Abogados Y Consultores	Leon	1-10	7	2
17	Lexia, Advocats Fusió DE Bufet Matamala & Roca Marzà	Manresa	11-50	6	1
18	Omar Nieto Boutique Legal	Barcelona	11-50	6	1
19	Ancla Abogados	A Coruna	1-10	6	1
20	Laurealegal	Barcelona	11-50	5	1
21	Atenea Abogadas	n/a	1-10	3	2
22	Hernaez Abogados	Madrid	1-10	2	1
23	García Carbonell Abogados	Albacete	11-50	1	1
24	Casadod Abogados	Valencia	1-10	1	1

Showing 24 of 513 constitutional law firms based in Spain

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Constitutional law firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 129 HQs

28Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

448

11-50

51-200

Constitutional law firms by metro

Metro	Companies
Constitutional law firms in Madrid	129
Constitutional law firms in Barcelona	57
Constitutional law firms in Sevilla	20
Constitutional law firms in Valencia	17
Constitutional law firms in Vigo	11
Constitutional law firms in Alicante	11
Constitutional law firms in Malaga	10

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 “constitutional law firms”, with match quality audited by blind human judging, and headquartered in 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; 0 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 constitutional law firms are there based in Spain?

There are 513 constitutional law firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

LE Morne Brabant Abogados, headquartered in Alicante, tops this list with the largest team on record.

Which city has the most constitutional law firms?

Madrid leads with 129 headquartered companies, followed by Barcelona (57) and Sevilla (20).

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 86 verified decision-maker contacts tracked across these 513 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.