Company lists · Data refreshed September 2026
Top 25 Tax law firms based in Barcelona, Spain
RevenueBase identified 380 tax law firms headquartered in Barcelona, Spain as of September 2026 and tracks 3,374 professional contacts across them, including 592 with verified work emails. Madrid is the largest hub.
This list covers tax law firms headquartered in Barcelona, 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 6, 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 law firms based in Barcelona, Spain
Ranked by team size| # | Company | RevenueBase Smart Search | Contacts | ||
|---|---|---|---|---|---|
| 1 | Indirect evidence | 137 contacts → | |||
“En AGM Abogados queremos ser aquello que nuestros clientes esperan de nosotros.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | Indirect evidence | 94 contacts → | |||
“At Lexidy, we redefine legal services to deliver seamless, client-centered care across Spain, Portugal, Italy, France, Greece, and Mexico.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | Strong evidence | 90 contacts → | |||
“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…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | Indirect evidence | 88 contacts → | |||
“JDA es un grupo de empresas orientadas a la prestación de servicios profesionales, con asentamiento en la provincia de Barcelona.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | Partial evidence | 79 contacts → | |||
“Toda & Nel-lo is a multidisciplinary law firm specialized in legal advice and defense to companies and individuals, both in public and private spheres.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | Indirect evidence | 75 contacts → | |||
“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.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | Strong evidence | 70 contacts → | |||
“Delvy Law & Finance is an innovative law firm specialised in providing strategic legal and tax advice for entrepreneurs, companies and investors in tech field.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | Indirect evidence | 59 contacts → | |||
“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…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | Indirect evidence | 58 contacts → | |||
“ARCO Abogados y Asesores Tributarios is a multidisciplinary firm that guarantees its clients an all-inclusive legal advice service throughout Spain and abroad.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | Indirect evidence | 58 contacts → | |||
“We are a team of more than 50 lawyers and economists, who work advising companies with an emphasis on people, and providing solutions that really meet their needs.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | Indirect evidence | 54 contacts → | |||
“Bufete Escura es uno de los despachos de abogados de mayor prestigio en Barcelona.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | Partial evidence | 53 contacts → | |||
“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: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | Indirect evidence | 53 contacts → | |||
“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: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | Indirect evidence | 46 contacts → | |||
“Somos una firma de abogados constituida en 2004, integrada por un sólido equipo de profesionales dirigido por Joaquín Tornos Mas, catedrático de Derecho Administrativo de la…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | Indirect evidence | 44 contacts → | |||
“Ges-Start responde a todas las necesidades en el ámbito de la asesoría contable, fiscal y laboral.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | Indirect evidence | 39 contacts → | |||
“ILIA ETL GLOBAL es una asesoría especializada en fiscalidad y legalidad Internacional.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | Indirect evidence | 36 contacts → | |||
“MLT asesores es una asesoría integral de referencia en Barcelona que desde 1965 asesora a empresas, autónomos y particulares.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | Indirect evidence | 33 contacts → | |||
“Somos una firma de abogados con capacidad de prestar asesoramiento jurídico en todas las áreas del derecho empresarial y ofrecer soluciones innovadoras, eficientes y prácticas.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | Indirect evidence | 32 contacts → | |||
“Fornell Consultors es un despacho profesional con presencia en el mercado de la consultoría en Barcelona y provincia desde 1951.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | Indirect evidence | 30 contacts → | |||
“Miralbell Guerin es una firma de abogados fundada en 1992 en Barcelona por los hermanos Luis y Mario Miralbell Guerin, integrada también por economistas, que pretende dar…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | Indirect evidence | 29 contacts → | |||
“Gibernau, fundado en 1979 por D.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 22 | Indirect evidence | 29 contacts → | |||
“Constituido en el año 1995 Roca & Asociados ofrece un servicio global que abarca el análisis, planificación, ejecución y gestión de cada encargo recibido Derecho Tributario …” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 23 | Partial evidence | 28 contacts → | |||
“LGC is an LLP International firm specialized in Legal, Tax and Administrative consulting, taking especially care of International tax, corporate, investment and immigration…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 24 | Indirect evidence | 27 contacts → | |||
“Casanovas Abogados es un despacho profesional que inició su actividad en 1952 prestando servicios profesionales de consultoría y asesoramiento a empresas y particulares, en el…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 25 | Indirect evidence | 26 contacts → | |||
“VIALEGIS Abogados es una firma integrada por abogados y asesores tributarios cuya larga trayectoria, siempre desde la independencia, ha consolidado su actividad en muy diversos…” Source: company website · checked Sep 6, 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 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 tax law firms.
- Partial evidence
- Its own public description names part of tax law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name tax 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 380 tax law firms based in Barcelona, Spain
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Tax law firms based in Barcelona, Spain at a glance
As of Sep 6, 2026Companies by employee count
Email recency for this list is measured across the whole Spain list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Barcelona, over 380 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 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 Barcelona, Spain whose own description of what they do matches “tax 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 tax 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 tax law firms, and records with no verified work email. Companies headquartered outside Barcelona 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, 592 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 6, 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 law firms by metro in Spain
- Tax law firms in Madrid583
- Tax law firms in Barcelona380
- Tax law firms in Valencia115
- Tax law firms in Sevilla79
- Tax law firms in Malaga73
- Tax law firms in Alicante49
- Tax law firms in Bilbao43
- Tax law firms in Marbella43
- Tax law firms in Murcia39
- Tax law firms in Zaragoza36
- Tax law firms in Granada33
- Tax law firms in Cordoba30
- Tax law firms in A Coruna27
- Tax law firms in Palma26
- Tax law firms in Palma De Mallorca26
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 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 tax law firms are there based in Barcelona, Spain?
RevenueBase identified 380 tax law firms headquartered in Barcelona, 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?
AGM Abogados, headquartered in Barcelona, tops this list with the largest team on record.
Which city has the most tax law firms?
Madrid leads with 583 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 592 verified decision-maker contacts tracked across these 380 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 6, 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.