Company lists · Data refreshed September 2026

Top 25 Tax law firms based in Spain

RevenueBase identified 2,887 company matches for tax law firms associated with Spain as of September 2026 and tracks 26,313 professional contacts across them, including 2,850 with verified work emails and 184 with mobile numbers. Madrid is the largest hub.

This list covers company matches for tax law firms associated with Spain, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 6, 2026 How this list was built
2,887Companies
26,313Contacts tracked
2,850Verified emails
184Mobile numbers
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest tax law firms based in Spain

Ranked by team size
Top 25 of 2,887 company matches for tax law firms based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMadrid, SpainHQ recorded Sep 6, 20265,001-10,0005,114 contacts →

Exact match

“KPMG en España es una firma de servicios profesionales que ofrece servicios de auditoría, fiscales y de asesoramiento legal, financiero y de negocio con más de 2.700 profesionales…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
2Exact matchMadrid, SpainHQ recorded Sep 6, 20261,001-5,0002,853 contacts →

Exact match

“Garrigues is an international legal and tax services firm that advises clients locally, regionally and globally from every angle of business law.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3Exact matchMadrid/barcelona/valencia/sevilla, SpainHQ recorded Sep 6, 2026201-500434 contacts →

Exact match

“RCD is a global, dynamic and innovative law firm providing comprehensive legal advice.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Sep 6, 202651-200293 contacts →

Exact match

“Somos un despacho de abogados referente en el asesoramiento jurídico empresarial, con un estilo propio, el #, que aplican nuestros más de 190 profesionales.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Sep 6, 202651-200238 contacts →

Exact match

“Cremades & Calvo-Sotelo es una de las firmas de abogados más relevantes de España.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
6Exact matchMadrid, SpainHQ recorded Sep 6, 2026201-500207 contacts →

Exact match

“Montero Aramburu & Gómez-Villares Atencia nace en 2024 fruto de la integración de Montero Aramburu & Gómez-Villares Atencia, dos despachos con una amplísima trayectoria y…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
7Exact matchMadrid, SpainHQ recorded Sep 6, 2026201-500192 contacts →

Exact match

“Bufete Barrilero y Asociados is one of Spain’s leading independent law firms engaged in the rendering of comprehensive legal advice services.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8Exact matchCartagena, SpainHQ recorded Sep 6, 2026n/a181 contacts →

Exact match

“Nuestras asesorías en Cartagena y Murcia están altamente capacitadas para realizar un servicio global de asesoramiento laboral, fiscal y contable.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
9Exact matchBarcelona, SpainHQ recorded Sep 6, 202651-200137 contacts →

Exact match

“En AGM Abogados queremos ser aquello que nuestros clientes esperan de nosotros.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
10Exact matchMadrid, SpainHQ recorded Sep 6, 202651-200108 contacts →

Exact match

“MAIO Legal is a law firm founded in 2011.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
11Exact matchVic, SpainHQ recorded Sep 6, 202651-200101 contacts →

Exact match

“VILAR RIBA is a business group created and structured to offer full advice, both to companies and individuals, in any field of professional services: • Tax advice • Legal advice •…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
12Exact matchBarcelona / Madrid, SpainHQ recorded Sep 6, 202651-20097 contacts →

Exact match

“Bienvenid@ a BPV.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
13Exact matchA Coruña, SpainHQ recorded Sep 6, 202651-20097 contacts →

Exact match

“VENTO es una firma de servicios profesionales que ofrece un servicio de asesoramiento jurídico, fiscal y de consultoría de negocio, especializado y de calidad contrastada, para…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
14Exact matchBarcelona, SpainHQ recorded Sep 6, 202651-20094 contacts →

Exact match

“At Lexidy, we redefine legal services to deliver seamless, client-centered care across Spain, Portugal, Italy, France, Greece, and Mexico.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
15Exact matchBarcelona, SpainHQ recorded Sep 6, 202651-20090 contacts →

Exact match

“Augusta Abogados is a professional law firm specialised in commercial law, tax, restructuring of companies, labour law, air and space law and procedural law, amongst others, with…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
16Exact matchBarcelona, SpainHQ recorded Sep 6, 202651-20088 contacts →

Exact match

“JDA es un grupo de empresas orientadas a la prestación de servicios profesionales, con asentamiento en la provincia de Barcelona.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
17Exact matchBarcelona, SpainHQ recorded Sep 6, 202651-20079 contacts →

Exact match

“Toda & Nel-lo is a multidisciplinary law firm specialized in legal advice and defense to companies and individuals, both in public and private spheres.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
18Exact matchMiami, SpainHQ recorded Sep 6, 202651-20077 contacts →

Exact match

“Cases & Lacambra is a Client focused international law Firm, with a deep commitment to offer the best comprehensive advice in business law.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
19Exact matchPamplona, SpainHQ recorded Sep 6, 202651-20076 contacts →

Exact match

“ARPA Abogados Consultores is a law firm established in 1991 in Pamplona.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
20Exact matchBarcelona, SpainHQ recorded Sep 6, 202651-20075 contacts →

Exact match

“Osborne Clarke es un despacho de abogados internacional con más de 330 socios y más de 1.250 abogados repartidos en 26 sedes en Europa, EE.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
21Exact matchDonostia / San Sebastián, SpainHQ recorded Sep 6, 202651-20073 contacts →

Exact match

“Despacho compuesto por abogados y asesores fiscales, expertos en distintas ramas del Derecho, fundamentalmente Mercantil, Fiscal, Procesal-Concursal, Sector Público y Laboral.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
22Exact matchBarcelona, SpainHQ recorded Sep 6, 202651-20070 contacts →

Exact match

“Delvy Law & Finance is an innovative law firm specialised in providing strategic legal and tax advice for entrepreneurs, companies and investors in tech field.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
23Exact matchOviedo, SpainHQ recorded Sep 6, 202611-5063 contacts →

Exact match

“PFS Grupo es una firma de servicios profesionales avanzados; Legal/Tributario, Cumplimiento Normativo, Sostenibilidad, Transformación empresarial, Soluciones Tecnológicas y…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
24Exact matchMadrid, SpainHQ recorded Sep 6, 202651-20062 contacts →

Exact match

“Vaciero es una firma profesional de servicios jurídicos, financieros y de auditoría para empresas e instituciones, con más de 30 años de experiencia.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
25Exact matchBarcelona, SpainHQ recorded Sep 6, 202611-5059 contacts →

Exact match

“FILS presta a sus clientes un asesoramiento de alto valor añadido a lo largo de todo el recorrido empresarial: en la creación y desarrollo del negocio (área mercantil, área…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase

Showing 25 of 2,887 tax law firms based in Spain

See the full list, filter by size, metro and specialty, and access 2,850 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Tax law firms based in Spain at a glance

As of Sep 6, 2026
10.8%Verified-email coverage
0.7%Mobile-number coverage
9.1Average contacts per company
1-10Median size (employees)
20.2%Largest-city concentration · Madrid
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
1,963
11-50
815
51-200
76
201-500
10
501-1,000
2
1,001-5,000
2
5,001-10,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Spain whose business descriptions match “tax law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 2,850 professional contacts with verified work emails across the full matched dataset. 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 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax law firms are there based in Spain?

RevenueBase identified 2,887 company matches for tax law firms associated with Spain as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Kpmg España tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tax law firms?

Madrid leads with 583 company records, followed by Barcelona (380) and Valencia (115).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,850 professional contacts with verified work emails tracked across these 2,887 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 2,887 tax law firms based in Spain. Start with a free account, no credit card.

Download this list →

Related lists

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 SmartSearch, 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.