Company lists · Data verified August 2026

Top 25 Business process outsourcing firms based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 171 companies tracked

There are 171 business process outsourcing firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 30,426 professional contacts across them, including 3,027 with verified work emails and 163 with mobile numbers. Madrid is the largest hub.

This list covers business process outsourcing 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.

171Companies

30,426Contacts tracked

3,027Verified emails

163Mobile numbers

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The 25 largest business process outsourcing firms based in Spain

Ranked by team size

Top 25 of 171 business process outsourcing 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	Konecta	Madrid	10001+	23,643	2,655
2	Grupo BC	Barcelona	1,001-5,000	710	13
3	Tgestiona	n/a	201-500	550	38
4	Atento España	Madrid	10001+	520	35
5	Diagonal Gest, SL	Madrid	501-1,000	419	40
6	MST Holding	Barcelona	1,001-5,000	398	2
7	Qipert	Madrid	501-1,000	279	34
8	GARSA	Madrid	501-1,000	200	32
9	Bukit BPO	Malaga	501-1,000	191	2
10	Graddo	Madrid	501-1,000	151	5
11	Amstro	Barcelona	201-500	121	19
12	Grupo UB	Madrid	501-1,000	109	14
13	Abinitio Consulting, S.L.U	Valencia	201-500	100	18
14	Catserveis Sxxi	Sant Cugat Del Valles	201-500	97	3
15	Codeactivos	Madrid	51-200	87	8
16	Nortex	A Coruna	201-500	84	1
17	Sogemedi	Barcelona	51-200	74	2
18	B-Kaind	San Sebastian	51-200	56	8
19	Gemini Recoveries & Collections	Madrid	201-500	51	3
20	Rainbow Comunicaciones S.L	Madrid	501-1,000	51	1
21	Xentia Customer Services	Vigo	51-200	42	2
22	TQ Servicios Outsourcing	Santa Perpetua De Mogoda	1,001-5,000	34	2
23	BJS Legal Services	Barcelona	51-200	32	7
24	Std-Multiopción	A Coruna	501-1,000	30	1
25	Grupo Base	Vigo	501-1,000	29	2

Showing 25 of 171 business process outsourcing firms based in Spain

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Business process outsourcing firms based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 61 HQs

163Contacts with mobile numbers

13Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Business process outsourcing firms by metro

Metro	Companies
Business process outsourcing firms in Madrid	61
Business process outsourcing firms in Barcelona	30
Business process outsourcing firms in Valencia	7
Business process outsourcing firms in Sevilla	4
Business process outsourcing firms in Malaga	4
Business process outsourcing firms in Vigo	4
Business process outsourcing firms in A Coruna	2

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 process outsourcing 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; 13 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 process outsourcing firms are there based in Spain?

There are 171 business process outsourcing firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most business process outsourcing firms?

Madrid leads with 61 headquartered companies, followed by Barcelona (30) and Valencia (7).

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 3,027 verified decision-maker contacts tracked across these 171 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.