Professional Notice

Santiváñez Abogados


Santiváñez Abogados was founded in 1964 in Piura, began operating as a national firm since 2005 and opened its independent Lima office in 2009. The firm has experienced permanent organic growth and has benefited greatly from integration with specialist boutique firms, most notably Energy Partners in 2011, an energy and infrastructure firm serving government and state-owned companies; Capella & Delgado in 2013, a boutique firm specialising in labour law and taxation, occupational health and safety; Auler & Pinto in 2020, a corporate and real state boutique firm; and Isabel Herrera Abogados in 2023, a boutique firm specialising in labour litigation law. The firm has been a member of Ally Law since 2021.

The firm has 28 lawyers in two offices located in Lima and Piura and has evolved into one of the most dynamic and specialist law firms in Peru, combining more than 50 years of professional experience with highly sophisticated industry and sector-oriented practices, adding a personalised – boutique standard ­– service, that has created strong relationships with clients for several decades.

Professional ethics, transparency, diversity and meritocracy are the core values of our firm, the means used in our daily activities are equally important to the objectives and results.

The attorneys of the firm have been trained in the best universities of Peru, Europe and the USA, and have earned significant domestic and cross-border experience in all the areas of practice required by a dynamic and globalised economy, including: corporate and M&A; labour, safety and health; taxation; project development and finance; concessions and public works; regulation and antitrust; energy and natural resources; environment and climate change; real estate, litigation, dispute resolution and arbitration; among others. 

Our firm has become a hub of business opportunities for our clients and a strategic partner for the development and execution of new ventures and projects. 

Some key facts about our firm and clients:

  • Fifty-one per cent of the firm’s total staff is female; 90% under 55; 44% of the Lima office staff were born in the provinces of Peru and 27% descend from migrants; our workload is divided in 36% cross-border matters for international clients, 34% domestic matters for local and international private clients, and 30% domestic matters for governmental bodies or state-owned companies; our local clients include 21 of Peru’s 50 largest companies by revenue; and, our international clients come from over 30 different countries.

Relevant statistics of our firm’s transactional experience of the past years:

  • US$5.6 billion in M&A; US$12 billion in corporate and project financing; US$5.8 billion in BOOT concessions; US$2.2 billion in arbitration; over 3,700MW of power generation concessions and authorisations; and, over 4,200MW of power purchase agreements.

Additionally, the firm:

  • Publishes the only academic energy journal of Peru: Revista peruana de Energía
  • Has created a legal database specialising in electricity regulation in Peru, named e- law (currently at Beta stage).
  • Is active in Pro Bono work in association with two NGOs Derecho para Todos ( and Eco Swell ( 

  • Lima: Av. República de Panamá 3461 Piso 9 San Isidro – 15036
  • Piura: Los Tamarindos 274, Piura, Piura 2001
  • Lima: +51 1 202 8000
  • Piura: +51 73 32 6994

This is a professional notice: all recommended firms are invited, but not required, to supply a professional notice that is published in return for a fee.

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