
Lauded for its ‘excellent quality of work, great professionalism and experience’, the team at CMS Grau is well-placed to advise public utilities companies and corporate clients in the energy, telecoms and transport sectors on a broad range of administrative and public law matters. Core areas of expertise for the group include sanctioning procedures, administrative litigation, state arbitration procedures and the mitigation of bureaucratic hurdles. Leadership is shared between Ramón Huapaya and Nestor Shimabukuro, who are lauded for the ’personalised attention’ they provide to clients. Huapaya is well-versed in assisting natural resources and public service clients with administrative procedures and proceedings before INDECOP. Shimabukuro, for his part, similarly majors on administrative sanctioning proceedings, public tenders and permitting mandates. Senior associate Oscar Alejos is noted for his focus on public procurement, contract law and dispute resolution.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
'Excellent quality of work, great professionalism and experience. Strong knowledge of the electricity sector.'
'Personalised attention from Néstor Shimabukuro and Ramón Huapaya.'
Key clients
- Engie Energía Perú
- Sociedad Nacional de Minería, Petróleo y Energía (SNMPE)
Work highlights
Represented Engie Energía Perú in judicial proceedings.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Ramón Huapaya; Néstor Shimabukuro
Other key lawyers
Oscar Alejos

