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Top Accounting Firms in Spain

11 of 25 accounting firms ranked on evidence in the Q4 2026 edition.

Between them, the 25 accounting firms on this page cover legal (12), accounting (7), tax (7) and partners (4). They also list work in Barcelona. 25 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

11 of 25 accounting firms ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All accounting firms 11 ranked SMEs 11 ranked

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Grupo MLT
Grupo MLT, also known as MLT Asesores, is an advisory practice in the Sarrià district of Barcelona.
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Why #1: Based in Sarrià, Barcelona, Spain · Founded 1965 · Team of 40+, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Informes Contables
Legal · Also in Valladolid
Informes Contables is an advisory firm in Valladolid, Spain, run through the company Informes Contables S. L.
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Why #2 (shared): Based in Valladolid, Spain · Founded 1989 · Team of 23+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Gabinete Técnico de Auditoría y Consultoría
Founded in 1989, Gabinete Técnico de Auditoría y Consultoría is a professional services firm focused on audit and consulting.
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Why #2 (shared): Office in Spain · Founded 1989 · Team of 40+, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Fortuny Abad Lluch SLP
Fortuny Abad Lluch SLP is a Spanish gestoría and advisory office working from Barcelona and Arenys de Mar.
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Why #4: Based in Barcelona and Arenys de Mar, Spain · Founded 1950, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Daem
Legal · Accounting · Tax · Also in Pennsylvania
Daem is an independent advisory and administrative outsourcing firm in Barcelona.
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Why #5: Based in Barcelona, Spain · Founded 1977, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Castells AC
Legal
Castells AC is a Barcelona gestoría and advisory practice that looks after the tax, bookkeeping, employment and legal paperwork of small and medium-sized businesses.
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Why #6: Based in Barcelona, Spain · In business 40+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
GD Asesoría
Legal
Spanish advisory firm handling tax, accounting, payroll, company law and immigration work for small and medium businesses
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Why #7 (shared): Based in Spain · Founded 1989, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Agespro Assessors, SL
Agespro Assessors, SL is a business advisory and administration firm in Barcelona, Spain, which has served self-employed people and companies since 1989.
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Why #7 (shared): Based in Barcelona, Spain · Founded 1989, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Abad & Asociados Abogados y Economistas, S.R.L.
Legal · Accounting · Tax
Abad & Asociados Abogados y Economistas, S.R.L. brings lawyers, economists, accountants and auditors together in one practice.
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Why #9: Based in Murcia, Spain · Founded 1996, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Legal & Tax Help
Legal & Tax Help is the listing for Tejada Solicitors, a law firm in Malaga on the Costa del Sol.
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Why #10: Based in Malaga, Spain · In business 20+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Anvigar Associats
Administrative, tax, labour and accounting advisory in Sabadell for small businesses, self-employed people and individuals
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Why #11: Based in Sabadell · Founded 2010, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
activae
Accounting · Reporting
activae is a Spanish business consulting firm that manages accounting, tax and administration for companies, with a particular focus on subsidiaries of multinational groups…
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On record: Based in Spain
Avanti Asesores
Avanti Asesores is an advisory office in Barcelona that looks after tax, accounting and administrative filings.
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On record: Based in Barcelona, Spain
Biz Spain Biz
Partners · Goals
Biz Spain Biz, which trades as bizSpain, is a Barcelona consultancy for companies and investors that want to do business in Spain.
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On record: Based in Barcelona, Spain
Bové Montero y Asociados
Legal · Accounting · Tax · Also in Valencia and Madrid
Bové Montero y Asociados is a Spanish professional services firm covering audit, consulting, accounting, tax and labour-law advice.
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On record: Based in Barcelona, Madrid, Palma de Mallorca, Seville and Valencia
Briones International Consulting
Briones International Consulting presents itself online as C.B. Auditores & Consultores, a multidisciplinary practice in Spain.
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On record: Based in Madrid and Murcia, Spain
Carey & Associates, Inc.
Accounting · Tax · Goals · Also in Ohio
Carey & Associates, Inc. runs an accounting practice with offices in Wadsworth and Seville, Ohio, and serves clients around Akron too.
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On record: Based in Wadsworth and Seville, plus an Akron office
Confitax S.L.
Legal
Confitax S.L. is an advisory practice in Bilbao, Bizkaia, that looks after the accounting, tax, employment and company law needs of businesses and self-employed professionals.
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On record: Based in Bilbao, Bizkaia, Spain
CPA Corporate Services
Legal · Accounting · Tax · Also in Barcelona
CPA Corporate Services is a Spanish consultancy that manages the corporate, accounting and administrative affairs of companies and private clients from around the world.
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On record: Office in Spain
ETFmatic
Tax · Partners · Banking · Also in Brussels
ETFmatic supplies investing technology and operations to financial institutions.
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EUROSUD
Legal
EUROSUD is an audit and advisory firm specialising in companies that trade or operate across the border between France and Spain.
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On record: Based in Barcelona, Spain, with a contact line for France
Gestoría Asesoría Castaños
Bilbao advisory and administrative agency handling tax, accounting, payroll, legal and official paperwork for firms and individuals
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On record: Based in Bilbao, Spain
Humanus Consulting
Legal
Humanus Consulting is a talent management firm that helps companies find candidates and helps managers develop their careers.
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On record: Based in Spain
Ilv silver
Legal · Accounting · Tax
ILV Silver is a multi-service advisory firm serving businesses in Spain.
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On record: Based in Spain

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Top Accounting Firms in Spain

Grupo MLT

Informes Contables

Gabinete Técnico de Auditoría y Consultoría

Fortuny Abad Lluch SLP

Daem

Castells AC

GD Asesoría

Agespro Assessors, SL

Abad & Asociados Abogados y Economistas, S.R.L.

Legal & Tax Help

Anvigar Associats

activae

Avanti Asesores

Biz Spain Biz

Bové Montero y Asociados

Briones International Consulting

Carey & Associates, Inc.

Confitax S.L.

CPA Corporate Services

ETFmatic

EUROSUD

Gestoría Asesoría Castaños

Humanus Consulting

Ilv silver

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