Company lists · Data verified August 2026

Top 25 Consulting firms based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 9,558 companies tracked

There are 9,558 consulting firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 100,876 professional contacts across them, including 9,456 with verified work emails and 2,063 with mobile numbers. Madrid is the largest hub.

This list covers consulting 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.

9,558Companies

100,876Contacts tracked

9,456Verified emails

2,063Mobile numbers

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The 25 largest consulting firms based in Spain

Ranked by team size

Top 25 of 9,558 consulting 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	Antal International	Madrid	1,001-5,000	1,967	565
2	Bluetab, An IBM Company	Alicante	1,001-5,000	995	143
3	Grant Thornton España	Madrid	501-1,000	880	129
4	Between Technology	Barcelona	501-1,000	719	227
5	Otra Cosa	Barcelona	201-500	708	194
6	MTP Métodos Y Tecnología	Almeria	501-1,000	686	89
7	Axpe Consulting	Llanera	1,001-5,000	653	31
8	Adaptavist	Getafe	1,001-5,000	631	471
9	NAE	Madrid	501-1,000	504	56
10	Qaracter	Madrid	501-1,000	494	39
11	Grupo Versia	Valle De Trapaga	501-1,000	488	93
12	AFI	Madrid	201-500	413	85
13	Atsistemas	Madrid	1,001-5,000	391	61
14	Star Cooperation Gmbh	Barcelona	501-1,000	360	166
15	CE Consulting Empresarial	Madrid	501-1,000	344	52
16	Excelia	Pozuelo De Alarcon	201-500	312	68
17	Viseo Iberia	Granada	1,001-5,000	312	45
18	Afianza	Madrid	1,001-5,000	302	63
19	Erhardt Serikat	Bilbao	201-500	294	36
20	Álamoconsulting	Madrid	201-500	272	46
21	Adlanter	Barcelona	201-500	255	38
22	Nunegal Consulting	A Coruna	201-500	248	51
23	Gloval	Madrid	201-500	243	5
24	Winning	Madrid	201-500	243	2
25	Euro-Funding	Seville	201-500	242	58

Showing 25 of 9,558 consulting firms based in Spain

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Consulting firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 2362 HQs

2,063Contacts with mobile numbers

37Emails re-verified in last 30 days

Companies by employee count

1-10

6,795

11-50

2,213

51-200

364

201-500

501-1,000

1,001-5,000

5,001-10,000

Consulting firms by metro

Metro	Companies
Consulting firms in Madrid	2362
Consulting firms in Barcelona	1482
Consulting firms in Valencia	376
Consulting firms in Sevilla	204
Consulting firms in Malaga	201
Consulting firms in Zaragoza	139
Consulting firms in Murcia	128

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 “consulting 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; 37 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 consulting firms are there based in Spain?

There are 9,558 consulting firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Antal International, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most consulting firms?

Madrid leads with 2362 headquartered companies, followed by Barcelona (1482) and Valencia (376).

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 9,456 verified decision-maker contacts tracked across these 9,558 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.