Company lists · Data refreshed September 2026
Top 25 Family office accounting firms based in Spain
RevenueBase identified 168 family office accounting firms headquartered in Spain as of September 2026 and tracks 827 professional contacts across them, including 133 with verified work emails. Madrid is the largest hub.
This list covers family office accounting 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 28, 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 family office accounting firms based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 67 contacts → | ||||
Partial evidence “MdF Family Partners es una empresa independiente de asesoramiento familiar y financiero a grandes patrimonios.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 49 contacts → | ||||
Strong evidence “Wealth Solutions, asesora a clientes de altos patrimonios tanto particulares como de instituciones (Fundaciones, ONG's, Sociedades de inversión, Single Family Offices, etc.) en…” Source: RevenueBase Database · checked Sep 28, 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 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 21 contacts → | ||||
Partial evidence “Somos una consultora fiscal afincada en Baleares con más de 50 años de experiencia en el asesoramiento a empresas, particulares y grupos familiares en el ámbito nacional e…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 20 contacts → | ||||
Indirect evidence “En SEC asesores somos personas que demostramos integridad, respeto y trabajo en equipo, impulsados por la energía y con la capacidad de liderazgo que nos permite construir…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 19 contacts → | ||||
Indirect evidence “En Talenta SGIIC nos especializamos en la gestión patrimonial independiente, ofreciendo soluciones personalizadas que se adaptan a las necesidades específicas de cada cliente.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 15 contacts → | ||||
Partial evidence “Culebras Assessors es una empresa familiar de asesoramiento fiscal, laboral, jurídico e inmobiliario con casi ochenta años de experiencia al servicio de empresas y particulares.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 14 contacts → | ||||
Indirect evidence “Empresa dedicada al asesoramiento integral de personas físicas y jurídicas en los ámbitos Social, Fiscal, Contable y Jurídico, así como a la Gestión Administrativa y…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 13 contacts → | ||||
Indirect evidence “Allow us to welcome you to an international firm with a boutique mindset, specialising in the tax optimisation of your wealth.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 12 contacts → | ||||
Indirect evidence “Somos un despacho con más de cuarenta años de experiencia, integrado por más treinta de profesionales que ofrecemos un asesoramiento integral a nuestros clientes, dispensándoles…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 11 contacts → | ||||
Indirect evidence “En Owl Partners Wealth Advisors nos especializamos en inversiones financieras e inmobiliarias, consultoría y asesoramiento fiscal-legal.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Strong evidence “Levante Capital Partners (LCP) is a family office with a diversified investment portfolio founded on January 20th, 1947.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 9 contacts → | ||||
Indirect evidence “Welzia Management SGIIC, una compañía en continua evolución dentro del sector financiero.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 8 contacts → | ||||
Strong evidence “Family Office dedicada a la gestión de inversiones” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 7 contacts → | ||||
Indirect evidence “En Albano Associats llevamos más de 30 años ayudando a pymes y autónomos a alcanzar sus objetivos empresariales.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 6 contacts → | ||||
Indirect evidence “Asegral está formado por un equipo de profesionales cuya filosofía es prestar un servicio ágil y de máxima calidad en todas las áreas.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 6 contacts → | ||||
Indirect evidence “Somos una firma dedicada al asesoramiento fiscal, mercantil, laboral, patrimonial, consultoría y operaciones.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Indirect evidence “ALIÓ & SANS Asesores Legales y Tributarios, despacho de abogados y economistas con sede en Tarragona desde 1.950, es una firma multidisciplinar que tiene como principales áreas de…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Indirect evidence “Established in 2017, Globe Iberia is the Spanish real estate investment, development and asset management platform of Globe Invest, the investment arm of Mr.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Strong evidence “Cluster Family Office es un multifamily office de ámbito internacional con sede en Barcelona dedicado al asesoramiento y la gestión integral de patrimonios, así como al soporte y…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Strong evidence “Capital & Gestión Family Office es una firma de profesionales, cuya actividad consiste en la prestación de servicios profesionales relacionados con el asesoramiento y la gestión…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Indirect evidence “Ofrecemos un servicio integral en materia fiscal, mercantil y de asesoramiento financiero y patrimonial.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Indirect evidence “En Iberanfico somos miembros de la Asociación Profesional de Expertos Contables y Tributarios de España (AECE).” Source: RevenueBase Database · checked Sep 28, 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: family office accounting 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 family office accounting firms.
- Partial evidence
- Its own public description names part of family office accounting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name family office accounting 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 168 family office accounting firms based in Spain
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Family office accounting firms based in Spain at a glance
As of Sep 28, 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 168 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 family office accounting 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 “family office accounting 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 family office accounting 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 family office accounting 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, 133 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 28, 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.
Family office accounting 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 family office accounting 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 family office accounting firms are there based in Spain?
RevenueBase identified 168 family office accounting 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?
MDF Family Partners, headquartered in Madrid, tops this list with the largest team on record.
Which city has the most family office accounting firms?
Madrid leads with 35 headquartered companies, followed by Barcelona (20) and Valencia (9).
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 133 verified decision-maker contacts tracked across these 168 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 28, 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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