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2026 Edition
General corporate tax
Tier 4
31 firms ranked
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Tier 1

EY
7 practice areas
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Hernández & Cía
5 practice areas
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PwC
7 practice areas
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Rodrigo Elías & Medrano Abogados
6 practice areas
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Zuzunaga & Assereto Abogados
6 practice areas
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Tier 2

CMS Grau
6 practice areas
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DLA Piper
5 practice areas
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Estudio Echecopar
6 practice areas
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Garrigues
5 practice areas
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Philippi Prietocarrizosa Ferrero DU & Uría
6 practice areas
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Rubio Leguía Normand (WTS)
3 practice areas
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Tier 3

BZ Estudio
5 practice areas
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Damma Legal Advisors
5 practice areas
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De Bracamonte Haaker & Castellares Abogados
5 practice areas
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Deloitte
7 practice areas
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Estudio Olaechea
6 practice areas
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KPMG
7 practice areas
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Miranda & Amado Abogados
5 practice areas
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Muñiz Ramírez Pérez-Taiman & Olaya Abogados
5 practice areas
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Osterling Abogados
5 practice areas
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Payet Rey Cauvi Pérez Abogados
5 practice areas
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Rebaza Alcázar & De las Casas Abogados
2 practice areas
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TGS Sarrio & Asociados
6 practice areas
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Thorne Echeandía & Lema Abogados
5 practice areas
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Tier 4

Cuatrecasas
3 practice areas
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Martinot Abogados
2 practice areas
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Salazar & Zúñiga Abogados
2 practice areas
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Santivañez Abogados
2 practice areas
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Other notable

Picón & Asociados
1 practice area
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TRES R TAX
1 practice area
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Zegarra LLC Abogados
3 practice areas
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Transactional tax
Tier 3
16 firms ranked
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Tier 1

EY
7 practice areas
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Estudio Echecopar
6 practice areas
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Hernández & Cía
5 practice areas
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PwC
7 practice areas
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Rodrigo Elías & Medrano Abogados
6 practice areas
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Tier 2

Garrigues
5 practice areas
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Miranda & Amado Abogados
5 practice areas
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Philippi Prietocarrizosa Ferrero DU & Uría
6 practice areas
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Tier 3

Arbe Abogados
5 practice areas
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CMS Grau
6 practice areas
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Cuatrecasas
3 practice areas
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De Bracamonte Haaker & Castellares Abogados
5 practice areas
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Payet Rey Cauvi Pérez Abogados
5 practice areas
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Rubio Leguía Normand (WTS)
3 practice areas
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Thorne Echeandía & Lema Abogados
5 practice areas
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Zuzunaga & Assereto Abogados
6 practice areas
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There are no results
A lack of technical tax knowledge among advisers will render AI use ineffective, ITR’s AI in Tax Forum also heard
On a panel of advisers and tax authority representatives from a range of European jurisdictions, financial transactions were pinpointed as a key TP audit focus
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