Company lists · Data verified August 2026

Top 25 Data integration consulting firms based in Spain

Name: Data integration 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 688 companies tracked

There are 688 data integration consulting firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 17,959 professional contacts across them, including 3,282 with verified work emails and 255 with mobile numbers. Madrid is the largest hub.

This list covers data integration 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.

688Companies

17,959Contacts tracked

3,282Verified emails

255Mobile numbers

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The 25 largest data integration consulting firms based in Spain

Ranked by team size

Top 25 of 688 data integration 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	SDG Group	Barcelona	1,001-5,000	1,319	270
2	SICE	Alcobendas	1,001-5,000	1,312	243
3	Bluetab, An IBM Company	Alicante	1,001-5,000	995	143
4	Sothis	Barcelona	501-1,000	678	108
5	Logicalis Spain	Madrid	501-1,000	544	1
6	Nter Tech Services	Madrid	201-500	409	44
7	Atsistemas	Madrid	1,001-5,000	391	61
8	CYC	Bilbao	51-200	356	30
9	Cívica	Granada	201-500	319	45
10	Excelia	Pozuelo De Alarcon	201-500	312	68
11	Viseo Iberia	Granada	1,001-5,000	312	45
12	Erhardt Serikat	Bilbao	201-500	294	36
13	Bring IT	Malaga	201-500	291	146
14	Timestamp España	Castelldefels	1,001-5,000	283	41
15	APGAR	n/a	201-500	234	150
16	EDISA	San Cibrao Das Vinas	201-500	227	46
17	Clearpeaks	Barcelona	51-200	201	64
18	Lider IT Consulting	Guarnizo	201-500	200	46
19	DISID	Valencia	51-200	178	26
20	Mindden	Alicante	201-500	175	32
21	Chakray Consulting	Alicante	51-200	153	48
22	Clever For Tech	Madrid	201-500	151	76
23	Fhios Smart Knowledge	Madrid	51-200	134	30
24	Aktios	Barcelona	51-200	132	19
25	Novaquality Consulting	Alcobendas Madrid	51-200	123	14

Showing 25 of 688 data integration consulting firms based in Spain

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Data integration consulting firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 195 HQs

255Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

361

11-50

215

51-200

201-500

501-1,000

1,001-5,000

Data integration consulting firms by metro

Metro	Companies
Data integration consulting firms in Madrid	195
Data integration consulting firms in Barcelona	121
Data integration consulting firms in Valencia	21
Data integration consulting firms in Sevilla	17
Data integration consulting firms in Malaga	16
Data integration consulting firms in Zaragoza	13
Data integration consulting firms in Alicante	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 “data integration 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; 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 data integration consulting firms are there based in Spain?

There are 688 data integration consulting firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

SDG Group, headquartered in Barcelona, tops this list with the largest team on record.

Which city has the most data integration consulting firms?

Madrid leads with 195 headquartered companies, followed by Barcelona (121) and Valencia (21).

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 3,282 verified decision-maker contacts tracked across these 688 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.