Company lists · Data verified August 2026

Top 13 Accounting process outsourcing providers based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 106 companies tracked

There are 106 accounting process outsourcing providers headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 893 professional contacts across them, including 78 with verified work emails and 8 with mobile numbers. Barcelona is the largest hub.

This list covers accounting process outsourcing providers 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.

106Companies

893Contacts tracked

78Verified emails

8Mobile numbers

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The 13 largest accounting process outsourcing providers based in Spain

Ranked by team size

Top 13 of 106 accounting process outsourcing providers 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	Diagonal Gest, SL	Madrid	501-1,000	419	40
2	B-Kaind	San Sebastian	51-200	56	8
3	Bas. Accounting Support Services	Barcelona	11-50	18	9
4	Asesoría Economis	Palma	11-50	18	1
5	Empresas EN Positivo	Badajoz	1-10	15	1
6	Rotger Consulting SLP	Palma	11-50	6	3
7	Norgenic	Terrassa	1-10	5	4
8	Avantges	Barcelona	11-50	5	2
9	Bookgest Solutions	Madrid	11-50	5	1
10	Euroaccounts	Madrid	1-10	5	1
11	Manglar Finanzas Digitales	Barcelona	11-50	4	2
12	Poles Assessors SL	Sabadell	1-10	2	2
13	PTS Finance	Alicante	1-10	1	1

Showing 13 of 106 accounting process outsourcing providers based in Spain

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 78 reachable decision-makers.

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Accounting process outsourcing providers based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

BarcelonaLargest hub · 20 HQs

8Contacts with mobile numbers

0Emails 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

Accounting process outsourcing providers by metro

Metro	Companies
Accounting process outsourcing providers in Barcelona	20
Accounting process outsourcing providers in Madrid	18
Accounting process outsourcing providers in Sevilla	5
Accounting process outsourcing providers in Badajoz	3
Accounting process outsourcing providers in Palma	2
Accounting process outsourcing providers in Castello De La Plana	2
Accounting process outsourcing providers in Malaga	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 “accounting process outsourcing providers”, 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; 0 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 accounting process outsourcing providers are there based in Spain?

There are 106 accounting process outsourcing providers headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Diagonal Gest, SL, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most accounting process outsourcing providers?

Barcelona leads with 20 headquartered companies, followed by Madrid (18) and Sevilla (5).

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 78 verified decision-maker contacts tracked across these 106 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.