Company lists · Data verified August 2026

Top 25 IT consulting companies based in Spain

Name: IT consulting companies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 2,691 companies tracked

As of August 2026, this directory lists 2,691 IT consulting companies based in Spain, with 123,702 contacts and 19,812 email addresses. Madrid is the single most-represented city among the companies on the list. Use the directory to identify potential vendors, partners, and sales prospects.

IT consulting companies advise organizations on technology strategy, systems, software, infrastructure, cybersecurity, cloud services, and related IT implementation needs. This list covers companies that provide professional IT consulting services, including technology advisory, systems planning, implementation support, and related services. Ranked by team size, largest first. Data current as of August 28, 2026.

2,691Companies

123,702Contacts tracked

19,812Verified emails

1,848Mobile numbers

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The 25 largest IT consulting companies based in Spain

Ranked by team size

Top 25 of 2,691 IT consulting companies 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	AUBAY	Parque Tecnologico Boecillo	5,001-10,000	2,658	1,052
2	Alten Spain	n/a	1,001-5,000	1,950	253
3	SICE	Alcobendas	1,001-5,000	1,312	243
4	NIJI	Madrid	1,001-5,000	1,268	724
5	Paradigma Digital	Pozuelo De Alarcon	501-1,000	692	112
6	Sothis	Barcelona	501-1,000	678	108
7	Axpe Consulting	Llanera	1,001-5,000	653	31
8	Adaptavist	Getafe	1,001-5,000	631	471
9	Logicalis Spain	Madrid	501-1,000	544	1
10	Optimissa	Madrid	1,001-5,000	527	79
11	NAE	Madrid	501-1,000	504	56
12	Qaracter	Madrid	501-1,000	494	39
13	Grupo Versia	Valle De Trapaga	501-1,000	488	93
14	Grupo Solutia	Madrid	501-1,000	464	57
15	Aubay Spain	Barcelona	5,001-10,000	428	91
16	Experis España	Madrid	1,001-5,000	425	48
17	Atsistemas	Madrid	1,001-5,000	391	61
18	ABAST	Palma	501-1,000	386	113
19	Integra	Huelva	501-1,000	375	86
20	Viseo Iberia	Granada	1,001-5,000	312	45
21	Grupo ICA	Sevilla	501-1,000	285	23
22	Timestamp España	Castelldefels	1,001-5,000	283	41
23	Serem Consultoría Empresarial	Madrid	501-1,000	220	4
24	Convertia	Madrid	501-1,000	215	36
25	Convotis Iberia	Elche	1,001-5,000	208	21

Showing 25 of 2,691 IT consulting companies based in Spain

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IT consulting companies based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 670 HQs

1,848Contacts with mobile numbers

203Emails re-verified in last 30 days

Companies by employee count

1-10

1,443

11-50

795

51-200

282

201-500

501-1,000

1,001-5,000

5,001-10,000

IT consulting companies by metro

Metro	Companies
IT consulting companies in Madrid	670
IT consulting companies in Barcelona	351
IT consulting companies in Valencia	91
IT consulting companies in Sevilla	56
IT consulting companies in Malaga	53
IT consulting companies in Zaragoza	39
IT consulting companies in Bilbao	37

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 “IT consulting companies”, 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; 203 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 IT consulting companies are in the directory?

The directory contains 2,691 IT consulting companies based in Spain as of August 2026.

How can I find contacts at IT consulting companies?

You can use this directory to review 123,702 contacts and 19,812 email addresses associated with IT consulting companies based in Spain.

Which city has the most IT consulting companies on the list?

Madrid is the single most-represented city among the IT consulting companies on the list.

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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.