Company lists · Data verified August 2026

Top 25 Business consulting firms based in Spain

Name: Business 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 3,679 companies tracked

There are 3,679 business consulting firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 25,387 professional contacts across them, including 3,004 with verified work emails and 582 with mobile numbers. Madrid is the largest hub.

This list covers business 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.

3,679Companies

25,387Contacts tracked

3,004Verified emails

582Mobile numbers

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The 25 largest business consulting firms based in Spain

Ranked by team size

Top 25 of 3,679 business 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	Adaptavist	Getafe	1,001-5,000	631	471
2	NAE	Madrid	501-1,000	504	56
3	Qaracter	Madrid	501-1,000	494	39
4	Atsistemas	Madrid	1,001-5,000	391	61
5	CE Consulting Empresarial	Madrid	501-1,000	344	52
6	Viseo Iberia	Granada	1,001-5,000	312	45
7	Erhardt Serikat	Bilbao	201-500	294	36
8	Winning	Madrid	201-500	243	2
9	Lider IT Consulting	Guarnizo	201-500	200	46
10	IFR Group	Barcelona	51-200	198	36
11	Axonier	Madrid	201-500	174	10
12	Tactio	Barcelona	51-200	165	39
13	DABO	Antequera	51-200	140	1
14	Better Consultants	Alicante	51-200	137	21
15	Emetel	Oleiros	51-200	122	15
16	Vanture ESS	Hospitalet De Llobregat	51-200	120	29
17	O2o	Madrid	51-200	105	25
18	Improven Consultora DE Negocio	Vigo	51-200	105	18
19	Rocasalvatella	Sant Cugat Del Valles	51-200	103	16
20	Gefiscal ETL Global	Caceres	51-200	101	13
21	Abinitio Consulting, S.L.U	Valencia	201-500	100	18
22	Norgestion	Madrid	51-200	95	23
23	Aibe Formación	Madrid	51-200	94	3
24	Adade Asesores	Madrid	501-1,000	76	1
25	EVM	Santa Cruz De Tenerife	51-200	73	4

Showing 25 of 3,679 business consulting firms based in Spain

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Business consulting firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 892 HQs

582Contacts with mobile numbers

10Emails re-verified in last 30 days

Companies by employee count

1-10

2,747

11-50

769

51-200

109

201-500

501-1,000

1,001-5,000

5,001-10,000

Business consulting firms by metro

Metro	Companies
Business consulting firms in Madrid	892
Business consulting firms in Barcelona	623
Business consulting firms in Valencia	143
Business consulting firms in Sevilla	87
Business consulting firms in Malaga	75
Business consulting firms in Bilbao	56
Business consulting firms in Alicante	54

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 “business 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; 10 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 business consulting firms are there based in Spain?

There are 3,679 business consulting firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Adaptavist, headquartered in Getafe, tops this list with the largest team on record.

Which city has the most business consulting firms?

Madrid leads with 892 headquartered companies, followed by Barcelona (623) and Valencia (143).

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 3,004 verified decision-maker contacts tracked across these 3,679 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.