
Praised for its level of technical knowledge within tax law, Arias provides a full service offering which covers a diverse spectrum of mandates, spanning from transfer pricing to due diligence and tax planning, compliance and litigation. Luis Barahona heads up the team, and leads the group’s varied range of administrative and judicial tax disputes. Elsewhere, senior counsel César López has a strong grasp on municipal taxes, as well as acting in represents clients in complex tax litigation. Senior counsel René García has a background in constitutional protection cases within a previous role at the Ministry of Finance in Ecuador, advising on constitutional protection processes related to informal settlements of taxes and penalties.
Legal 500 Editorial commentary
Accolades
Client satisfaction
Testimonials
Collated independently by Legal 500 research team.
- 'They are very technical in tax matters.'
Key clients
- Chevron
- Banco Davivienda
- Banco Cuscatlán
- DelSur
- Walmart
- Chevron
- Banco Davivienda
- Banco Cuscatlán
- DelSur
- Walmart
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Luis Barahona
