Company lists · Data refreshed September 2026
Top 25 Accounting firm staff augmentation companies based in Spain
RevenueBase identified 383 accounting firm staff augmentation companies headquartered in Spain as of September 2026 and tracks 3,018 professional contacts across them, including 332 with verified work emails. Madrid is the largest hub.
This list covers accounting firm staff augmentation companies headquartered in Spain, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest accounting firm staff augmentation companies based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 890 contacts → | ||||
Indirect evidence “En Grant Thornton España ayudamos a que tu empresa vaya más allá.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 54 contacts → | ||||
Indirect evidence “Empresa de servicios profesionales especializada en auditoría, servicios de aseguramiento y consultoría.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 53 contacts → | ||||
Partial evidence “PBS is an independent firm with an international focus specialized in the rendering of management and advisory services in accounting, labour matters and tax compliance.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 41 contacts → | ||||
Indirect evidence “VIR AUDIT es una firma multidisciplinar que presta servicios de auditoría, consultoría y finanzas corporativas ofreciendo una amplia gama de servicios profesionales en estos…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 38 contacts → | ||||
Indirect evidence “UNIAUDIT OLIVER CAMPS es una firma nacional de auditoría y consultoría que nace de la unión de Uniaudit JRP y Oliver Camps, firmas con más de 40 años de experiencia en las…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 27 contacts → | ||||
Indirect evidence “Munt Audit & Forensic es una firma de servicios profesionales, con presencia en España y Andorra, que cuenta con una larga trayectoria profesional en el Sector de Forensic…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 22 contacts → | ||||
Indirect evidence “The company We are a professional services firm founded in 1984 which aims to provide an efficient service backed by the expertise of its members.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 22 contacts → | ||||
Indirect evidence “Netadia Europa es una firma de auditoría que se identifica con el rigor de un servicio excelente y la cercanía de entender a nuestros clientes.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 21 contacts → | ||||
Indirect evidence “Torrealday somos la asesoría líder en los ámbitos fiscal, laboral y contable.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 20 contacts → | ||||
Indirect evidence “Nuestra actividad se centra en la prestación de servicios profesionales en los campos de la asesoría fiscal, jurídica, laboral y auditoria de cuentas, tanto a personas físicas…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 18 contacts → | ||||
Indirect evidence “Somos un despacho profesional que desde hace más de 30 años nos dedicamos a ayudar a personas a desarrollar sus proyectos profesionales y empresariales, prestando servicios de…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 18 contacts → | ||||
Partial evidence “En ARPA Accounting prestamos, desde hace más de 30 años, servicios de asesoramiento integral a pequeñas empresas, autónomos y emprendedores.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 18 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 18 contacts → | ||||
Indirect evidence “Economis LowCost en una asesoría enfocada al trabajo en red, con este motivo hemos podido ajustar los costes hasta ser los más económicos del mercado-Confección de Nóminas desde…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 17 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 17 contacts → | ||||
Indirect evidence “Blázquez i Planas Assessoria: Your Partner in Excellence and Business Advisory Since our founding in 1988, Blázquez i Planas Assessoria has positioned itself as a leading firm in…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 16 contacts → | ||||
Indirect evidence “ASEVI Asesores de Empresa es una firma que cuenta con una dilatada trayectoria de más de 30 años de experiencia, prestando servicios de asesoramiento laboral, fiscal y contable…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 15 contacts → | ||||
Indirect evidence “Comptes i Control és una firma de serveis professionals especialitzada en auditoria de comptes i consultoria financera.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 13 contacts → | ||||
Indirect evidence “Somos un equipo de catorce personas, compuesto por nueve asesores fiscal-contables y cinco de laboral.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 13 contacts → | ||||
Indirect evidence “FISA AUDITORES es una compañía de auditoría y consultoría formada por un equipo de profesionales altamente cualificados y con amplia experiencia en auditoría, gestión de empresas…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 12 contacts → | ||||
Indirect evidence “TRATO PERSONAL, SOLUCIONES PROFESIONALES Somos tus profesionales de confianza, la pieza que complementa a tu equipo en las áreas económica y legal.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 12 contacts → | ||||
Partial evidence “We are a team of professionals with a proven track record of over 60 years in tax, business, auditing, accounting, employment and legal services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 11 contacts → | ||||
Indirect evidence “Entendemos nuestro trabajo de forma diferente, creemos en la cercanía, el trato próximo y directo con el cliente y hacemos nuestras sus necesidades, problemas y objetivos.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 11 contacts → | ||||
Indirect evidence “Cuando algún cliente nos pregunta por el origen de nuestra empresa, la respuesta es siempre muy clara: “el entusiasmo, la pasión por nuestra profesión y las ganas de ofrecer un…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 11 contacts → | ||||
Indirect evidence “Adser Administración y Servicios S.L, comenzó su andadura en 1994.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: accounting firm staff augmentation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names accounting firm staff augmentation companies.
- Partial evidence
- Its own public description names part of accounting firm staff augmentation companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name accounting firm staff augmentation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 383 accounting firm staff augmentation companies based in Spain
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Accounting firm staff augmentation companies based in Spain at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 383 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among accounting firm staff augmentation companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Spain whose own description of what they do matches “accounting firm staff augmentation companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names accounting firm staff augmentation companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among accounting firm staff augmentation companies, and records with no verified work email. Companies headquartered outside Spain are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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
- Every listed company carries at least one verified work email, 332 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names accounting firm staff augmentation companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many accounting firm staff augmentation companies are there based in Spain?
RevenueBase identified 383 accounting firm staff augmentation companies headquartered in Spain as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Grant Thornton España, headquartered in Madrid, tops this list with the largest team on record.
Which city has the most accounting firm staff augmentation companies?
Madrid leads with 59 headquartered companies, followed by Barcelona (46) and Sevilla (14).
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 332 verified decision-maker contacts tracked across these 383 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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