Company lists · Data refreshed September 2026
Top 25 Tax services firms based in Spain
RevenueBase identified 457 tax services firms headquartered in Spain as of September 2026 and tracks 1,584 professional contacts across them, including 167 with verified work emails. Madrid is the largest hub.
This list covers tax services firms 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 22, 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 tax services firms based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 51 contacts → | ||||
Indirect evidence “En Ponter te damos cobertura total para que no tengas que ir a ningún otro sitio.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 44 contacts → | ||||
Strong evidence “As attorneys, tax advisers, management and IT consultants and auditors, we are present with 110 own offices in around 50 countries.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 43 contacts → | ||||
Indirect evidence “En Varona Legal & Numbers encontrarás a tu alcance un equipo de profesionales abogados y economistas dedicados a la asesoría fiscal, contable, mercantil y jurídica, con una…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 36 contacts → | ||||
Strong evidence “Asesoría Unidad was established in 1973 to meet the demand for accounting, tax, and legal advisory services.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 30 contacts → | ||||
Indirect evidence “En VÍA CONSULTORES ofrecemos un servicio integral a empresas y autónomos, buscando generar un impacto positivo en la sociedad a través de la ética, el compromiso de calidad y la…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 18 contacts → | ||||
Indirect evidence “GRUP GESTIÓ és un gabinet professional d’assessorament i consultoria empresarial, que ofereix un servei integral, a empreses i particulars, en la gestió de les seves activitats.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 16 contacts → | ||||
Indirect evidence “PQS Consulting es una firma de servicios profesionales que ofrece asesoramiento fiscal, financiero y de negocio a PYMES, empresas multinacionales y a personas físicas.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 13 contacts → | ||||
Strong evidence “Tax Boutique establecida en Barcelona especializada en la asesoría fiscal y la planificación tributaria tanto en el ámbito nacional como internacional.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 12 contacts → | ||||
Indirect evidence “Fiscontrol Assessors es un despacho de profesionales tributarios que presta sus servicios desde 1985.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Indirect evidence “De la Dehesa y Asociados es un despacho multidisciplinar, moderno y competitivo, con capacidad para liderar y responder a los retos que plantea un sector en constante cambio.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 11 contacts → | ||||
Strong evidence “Bras tax advisors company” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 11 contacts → | ||||
Indirect evidence “Adser Administración y Servicios S.L, comenzó su andadura en 1994.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Indirect evidence “Abaci es una firma que tiene empatía por el empresario y su proyecto.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Indirect evidence “Somos una asesoría integral especializada en las áreas contables, fiscal, mercantil, laboral y de recursos humanos.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9 contacts → | ||||
Indirect evidence “Descubre nuestros servicios especializados para empresas y autónomos Asesoría Fiscal y Tributaria Asesoramiento fiscal integral para empresas y autónomos.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9 contacts → | ||||
Indirect evidence “Foresight consultancy is a professional service firm providing professional help to both corporates and individuals alike.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 contacts → | ||||
Strong evidence “Management consulting; financial, taxes and accounting.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Indirect evidence “Somos un despacho especializado en Fiscalidad y Contabilidad, siendo nuestros principales ámbitos de actuación son los siguientes: a- Asesoría tributaria y contable recurrente.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 8 contacts → | ||||
Indirect evidence “FICESA TREUHAND SAP is a management consulting company based out of CALLE DEL MARQUÉS DEL RISCAL, 11, MADRID, Spain.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 contacts → | ||||
Indirect evidence “Asesoría fiscal, laboral, contable y jurídica en Cádiz y Sevilla para pymes, autónomos y Grandes Empresas.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 6 contacts → | ||||
Indirect evidence “PS Tributación y Finanzas es un despacho profesional dirigido por un grupo de economistas y abogados con dilatada experiencia en asesoramiento fiscal, contable, financiero y legal…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 contacts → | ||||
Indirect evidence “Agencia Mata somos una empresa especializada en el asesoramiento fiscal, mercantil, contable, laboral y jurídico.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 contacts → | ||||
Indirect evidence “Somos una asesoría para empresas, autónomos y particulares.” Source: RevenueBase Database · checked Sep 22, 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: tax services firms. 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 tax services firms.
- Partial evidence
- Its own public description names part of tax services firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name tax services firms. 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 457 tax services firms based in Spain
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Tax services firms based in Spain at a glance
As of Sep 22, 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 457 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 tax services firms, 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 “tax services firms”. 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 tax services firms), 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 tax services firms, 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, 167 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 22, 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.
Tax services firms by metro
- Tax services firms in Madrid64
- Tax services firms in Barcelona43
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 tax services firms, 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 tax services firms are there based in Spain?
RevenueBase identified 457 tax services firms 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?
Ponter, headquartered in Madrid, tops this list with the largest team on record.
Which city has the most tax services firms?
Madrid leads with 64 headquartered companies, followed by Barcelona (43) and Valencia (15).
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 167 verified decision-maker contacts tracked across these 457 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 22, 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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