Company lists · Data refreshed November 2026

Top 25 Tax optimization advisors based in Spain

RevenueBase identified 193 company matches for tax optimization advisors associated with Spain as of November 2026 and tracks 769 professional contacts across them, including 125 with verified work emails. Madrid is the largest hub.

This list covers company matches for tax optimization advisors 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 November 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 Nov 6, 2026 How this list was built
193Companies
769Contacts tracked
125Verified emails
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The 25 largest tax optimization advisors based in Spain

Ranked by team size
Top 25 of 193 company matches for tax optimization advisors based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 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 Nov 6, 202651-20086 contacts →

Exact match

“Declarando es el software con asesoría fiscal que ayuda a los autónomos a ahorrar en impuestos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBilbao, SpainHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“En Euskaltax trabajamos desde el año 1998 en el ámbito del asesoramiento tributario y mercantil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“B LAW & TAX is a leading firm in tax and legal advisory services with both national and international reach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCórdoba, SpainHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“GALÁMICA es una firma tradicional de servicios legales y fiscales que asesora a nivel local, regional y nacional desde los distintos ángulos del derecho de los negocios.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBarcelona, SpainHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Allow us to welcome you to an international firm with a boutique mindset, specialising in the tax optimisation of your wealth.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPalma De Mallorca, SpainHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Fiscontrol Assessors es un despacho de profesionales tributarios que presta sus servicios desde 1985.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBarcelona, SpainHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“Tax Boutique establecida en Barcelona especializada en la asesoría fiscal y la planificación tributaria tanto en el ámbito nacional como internacional.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Somos un despacho especializado en Derecho Tributario, fundado y dirigido desde hace más de 30 años por Eduardo Luque Delgado.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBarcelona, SpainHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Somos un despacho especializado en Fiscalidad y Contabilidad, siendo nuestros principales ámbitos de actuación son los siguientes: a- Asesoría tributaria y contable recurrente.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSanta Cruz De Tenerife, SpainHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Cruz Asesores es una empresa de asesoramiento tributario y empresarial en su conjunto.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchZaragoza, SpainHQ recorded Nov 6, 202611-508 contacts →

Exact match

“En Quintana Fiscal somos líderes y especialistas en asesoría fiscal en Aragón y trabajamos para que la complejidad fiscal no se convierta en un lastre que ponga en peligro el…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchElche/elx, SpainHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Somos una asesoría fiscal especializada en emprendedores del mundo digital.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAlicante, SpainHQ recorded Nov 6, 202611-506 contacts →

Exact match

“En Bande Asesores nos esforzamos día a día en mejorar la gestión y beneficios de su empresa, a través de la optimización fiscal y un estricto control laboral y contable…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBarcelona, SpainHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Nuestra Firma está centrada en el ámbito de la tributación.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMadrid, SpainHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Raos Asesores es una firma de asesoramiento fiscal, contable y jurídico con más de 50 años de experiencia acompañando a empresas en su crecimiento.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchGranada, SpainHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Somos un equipo especializado en la asesoría fiscal de empresas, comprometidos con nuestros clientes para encontrar siempre la mejor solución.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPalma De Mallorca, SpainHQ recorded Nov 6, 20261-105 contacts →

Exact match

“RFM Asesores Fiscales & Abogados es un despacho especializado en el asesoramiento fiscal, contable y jurídico, cuyos profesionales acumulan más de 20 años de experiencia al más…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBilbao, SpainHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Planificación fiscal patrimonial y de empresas familiares- Asesoramiento jurídico, fiscal y recurrente de empresas y particulares- Asesoramiento sobre implicaciones tributarias en…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBarcelona, SpainHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Àrea de Dret Mercantil: Assessorament legal en les especialitats del Dret Mercantil, En especial les següents tasques: 1.Dret Societari.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMaó-mahón, SpainHQ recorded Nov 6, 202611-504 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLas Palmas De Gran Canaria, SpainHQ recorded Nov 6, 20261-104 contacts →

Exact match

“El asesoramiento fiscal ha sido, desde nuestros orígenes, uno de los pilares de crecimiento de la firma.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchValencia, SpainHQ recorded Nov 6, 20261-104 contacts →

Exact match

“MOLL Asesores es un despacho de asesoramiento integral de empresas, ubicado en Valencia, que desde su creación hemos trabajado en el ámbito de las Pymes y particulares…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBarcelona, SpainHQ recorded Nov 6, 202611-503 contacts →

Exact match

“We are an advisory firm that caters to all types of businesses, from individuals or micro-businesses to large corporations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBarcelona, SpainHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Winkel no es una simple asesoría, a parte de cubrir sus necesidades le ayudamos a optimizar su empresa para poder conseguir una mayor rentabilidad.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPalma De Mallorca, SpainHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Wir sind eine Steuerberatungsgesellschaft mit Sitz auf den Balearen und verfügen über mehr als 50 Jahre Erfahrung in der Beratung von Unternehmen, Privatpersonen und…”

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

Showing 25 of 193 tax optimization advisors based in Spain

See the full list, filter by size, metro and specialty, and access 125 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax optimization advisors based in Spain at a glance

As of Nov 6, 2026
16.3%Verified-email coverage
4.0Average contacts per company
1-10Median size (employees)
17.6%Largest-city concentration · Madrid
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
153
11-50
34
51-200
2

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 193 companies.

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 optimization advisors” 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 125 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 November 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.

Tax optimization advisors by metro

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 optimization advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax optimization advisors are there based in Spain?

RevenueBase identified 193 company matches for tax optimization advisors associated with Spain as of November 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?

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

Which city has the most tax optimization advisors?

Madrid leads with 34 company records, followed by Barcelona (27) and Valencia (14).

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 125 professional contacts with verified work emails tracked across these 193 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 November 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 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.