Company lists · Data verified August 2026

Top 25 Advertising law firms based in Spain

Name: Advertising 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 435 companies tracked

There are 435 advertising law firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 2,080 professional contacts across them, including 199 with verified work emails and 31 with mobile numbers. Madrid is the largest hub.

This list covers advertising 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.

435Companies

2,080Contacts tracked

199Verified emails

31Mobile numbers

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The 25 largest advertising law firms based in Spain

Ranked by team size

Top 25 of 435 advertising 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	Barrilero	San Sebastian	201-500	188	5
2	Balder IP	Madrid	51-200	109	35
3	Santiago Mediano Abogados	Madrid	11-50	43	11
4	Grau & Angulo	Barcelona	11-50	38	15
5	Baylos	Madrid	11-50	38	12
6	Ponti & Partners	Gandia	11-50	33	9
7	Falcón Abogados	Madrid	11-50	26	3
8	Letslaw	Madrid	11-50	26	1
9	Escalona & DE Fuentes	Madrid	11-50	25	6
10	IUS Aequitas Trial Lawyers	Madrid	11-50	25	4
11	Audens IT LAW Firm In Spain	Bilbao	11-50	17	1
12	Prolaw Iberia - Abogados	Malaga	11-50	16	1
13	Protectia Patentes Y Marcas	Madrid	11-50	13	4
14	Valero SAN Román	Madrid	51-200	13	1
15	MRG Abogados	Madrid	11-50	11	3
16	González - Bueno SLP	Madrid	11-50	10	2
17	Trebia Abogados	Madrid	11-50	10	1
18	Casas IP Abogados	Sevilla	11-50	10	1
19	Agenpi Abogados	Madrid	11-50	9	3
20	Grupo Adaptalia	Madrid	11-50	8	1
21	Gabinete Solà Advocats	Barcelona	11-50	8	1
22	SOL Muntañola Abogados	Barcelona	11-50	6	2
23	Salas Abogados Y Asesores Tributarios	Seville	11-50	6	1
24	Laurealegal	Barcelona	11-50	5	1
25	Hernández Martí Abogados	Barcelona	11-50	3	2

Showing 25 of 435 advertising law firms based in Spain

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Advertising law firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 131 HQs

31Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

354

11-50

51-200

201-500

Advertising law firms by metro

Metro	Companies
Advertising law firms in Madrid	131
Advertising law firms in Barcelona	57
Advertising law firms in Valencia	19
Advertising law firms in Malaga	15
Advertising law firms in Sevilla	12
Advertising law firms in Alicante	9
Advertising law firms in Murcia	6

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 “advertising 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; 3 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 advertising law firms are there based in Spain?

There are 435 advertising law firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Barrilero, headquartered in San Sebastian, tops this list with the largest team on record.

Which city has the most advertising law firms?

Madrid leads with 131 headquartered companies, followed by Barcelona (57) and Valencia (19).

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 199 verified decision-maker contacts tracked across these 435 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.