Company lists · Data refreshed September 2026
Top 25 Compliance and regulatory law firms based in Spain
RevenueBase identified 964 compliance and regulatory law firms headquartered in Spain as of September 2026 and tracks 4,874 professional contacts across them, including 413 with verified work emails. Madrid is the largest hub.
This list covers compliance and regulatory law 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 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 compliance and regulatory law firms based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 192 contacts → | ||||
Partial evidence “Bufete Barrilero y Asociados is one of Spain’s leading independent law firms engaged in the rendering of comprehensive legal advice services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 183 contacts → | ||||
Indirect evidence “Expertos en Ciberseguridad, Privacidad, GRC, IRM y Cumplimiento Normativo unificando la perspectiva Legal y Tecnológica GOVERTIS es la mayor firma de Advisory 100% especializada…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 97 contacts → | ||||
Indirect evidence “Bienvenid@ a BPV.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 77 contacts → | ||||
Partial evidence “Cases & Lacambra is a Client focused international law Firm, with a deep commitment to offer the best comprehensive advice in business law.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 65 contacts → | ||||
Indirect evidence “finReg360 es la firma líder en España en regulación financiera.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 53 contacts → | ||||
Indirect evidence “Con más de 20 años de experiencia, Aiblu se ha consolidado como un referente en el ámbito del cumplimiento normativo.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 53 contacts → | ||||
Indirect evidence “Manubens Abogados es un bufete que desde sus orígenes se marcó el reto de actuar profesionalmente no solo en el ámbito nacional, sino también en el internacional, con el objetivo…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 47 contacts → | ||||
Partial evidence “Molins Defensa Penal es una boutique de Derecho Penal de referencia en España con más de 30 años de dedicación en exclusiva al Derecho Penal y Compliance con asesoramiento experto…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 45 contacts → | ||||
Indirect evidence “25 años de experiencia en consultoría legal y normativa a su servicio."La calidad al servicio de su empresa"” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 42 contacts → | ||||
Indirect evidence “Como abanderados de la interpretación del Derecho, prestamos servicios de asesoramiento jurídico adoptando un enfoque de anticipación y de optimización de resultados.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 41 contacts → | ||||
Indirect evidence “Somos un despacho de abogados que nace fruto de la integración de distintos profesionales con acreditada experiencia en el ámbito del Derecho.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 39 contacts → | ||||
Indirect evidence “ACAL, Abogados y Consultores de Administración Local es una firma de profesionales que presta sus servicios en el ámbito de la administración publica local.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 37 contacts → | ||||
Indirect evidence “Desde nuestra fundación en 1852, hemos mantenido como objetivo principal el servicio de asesoría y orientación integral a personas, empresas e instituciones, prestando servicios…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 35 contacts → | ||||
Indirect evidence “Abogados, asesores y consultores de empresas.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 29 contacts → | ||||
Indirect evidence “Blas de Lezo Abogados ofrece una solución adecuada a las necesidades de su negocio.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 29 contacts → | ||||
Indirect evidence “Our profesional team defends and accuse in criminal proceedings.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 27 contacts → | ||||
Strong evidence “We are a European consultancy firm currently providing services in Spain and Portugal, specialising in regulatory compliance, with specific dedication to three lines of…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 26 contacts → | ||||
Indirect evidence “ESCALONA & DE FUENTES es un despacho independiente formado por un grupo de abogados con la formación jurídica y económica y la experiencia necesaria para poder ofrecer a sus…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 25 contacts → | ||||
Indirect evidence “Buades Legal es una firma de abogados multidisciplinar, que aporta valor a sus clientes con un servicio integral y eficaz, prestado por sus especialistas en el seno de una…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 24 contacts → | ||||
Partial evidence “Nace en España en 2014 en el marco del desarrollo del cumplimiento normativo, nuestros servicios son exclusivos de Compliance (Riesgos de Cumplimiento, Formación en materia de…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 23 contacts → | ||||
Indirect evidence “La firma legal internacional que actúa como su socio de negocios.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 23 contacts → | ||||
Indirect evidence “Despacho de abogados especializado en los sectores bancario, financiero, asegurador y construcción, con más de 25 años de experiencia en el asesoramiento y la representación de…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 22 contacts → | ||||
Indirect evidence “Rivero & Gustafson Abogados, fundado en 1997 por Sebastián Rivero y John R.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 19 contacts → | ||||
Indirect evidence “Roberto Fernández Villarino y Francisco Javier Muñoz González comenzaron a fraguar-en torno al año 1998, la creación de un despacho de abogados vinculados al asesoramiento y…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 18 contacts → | ||||
Indirect evidence “MLAB es el Despacho de referencia en España en asuntos de Derecho de la competencia y de la Unión Europea.” 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: compliance and regulatory law 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 compliance and regulatory law firms.
- Partial evidence
- Its own public description names part of compliance and regulatory law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name compliance and regulatory law 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 964 compliance and regulatory law firms based in Spain
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Compliance and regulatory law firms 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 964 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 compliance and regulatory law 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 “compliance and regulatory law 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 compliance and regulatory law 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 compliance and regulatory law 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, 413 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.
Compliance and regulatory law firms by metro
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 compliance and regulatory law 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 compliance and regulatory law firms are there based in Spain?
RevenueBase identified 964 compliance and regulatory law 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?
Barrilero, headquartered in Madrid, tops this list with the largest team on record.
Which city has the most compliance and regulatory law firms?
Madrid leads with 264 headquartered companies, followed by Barcelona (124) and Valencia (41).
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 413 verified decision-maker contacts tracked across these 964 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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