Professional Notice

Muñiz, Olaya, Meléndez, Castro, Ono & Herrera


Muñiz, Olaya, Meléndez, Castro, Ono & Herrera, founded in 1981, has considerable professional experience and is the largest law office in Peru. Our lawyers have graduated from the most prestigious Peruvian universities and many of them hold a master's degree from leading US and European universities.

Our firm tries to develop a solid commitment and a long-term relationship with its clients in order to become identified with their business objectives and offer the necessary professional support, coupled with experience, creativity and common sense. The firm assigns a lawyer, known as an ‘attaché’, to each client. The attaché is responsible for direct contact with the client and for seeking the most efficient and cost-effective strategy to be applied in each specific case entrusted to our firm.

Muñiz is a member of the Pacific Rim Advisory Council (PRAC), an organisation that groups together over 32 of the most important Pacific Rim law offices, and Interact Law. In Peru, it has been the first law firm to decentralise its operations, opening branches in the cities of Trujillo, Arequipa, Chincha, Ica, Piura, Cusco, Chiclayo, Tacna, Ilo, Juliaca and Puno. Muñiz was the first law firm in Peru to open a dedicated accounting service to meet the needs of companies, which now require coordinated legal and accounting advice. In view of the new criteria of the income tax law regarding the transfer-pricing regime, the firm set up Muñiz Transfer Pricing. Furthermore, there is Semigra, a company that provides migration consultancy and handles administrative procedures for expatriated workers. Recently, the firm set up an alliance with Intedya, a well-known Spanish company with presence in 16 countries that focuses on implementing compliance programmes at several companies.

The firm was the first, and probably still the only one, with a quality control and customer services department. This department is in charge of staying in contact with clients to know how satisfied they were with the service they received. The firm has developed a software available to every member of the organisation, which collates information they have about a client. When someone at Muñiz is contacted by a client and needs to know more about them, the lawyer will find all the information on the person or the company at the click of a button.

Muñiz has adhered to the United Nations Global Compact, the world’s largest corporate sustainability initiative that supports companies to do business responsibly by aligning their strategies and operations with 10 principles on human rights, labour, environment and anti-corruption. Furthermore, the firm is currently strongly involved in several initiatives linked to pro bono work and social responsibility.

The firm has also set up a Diversity Committee which is in charge of receiving complaints of discrimination because of race, religion, gender, age, sexual orientation, etc. The committee also investigates sexual harassment claims.

Las Begonias 475, 6th floor
San Isidro, Lima
Tel: +51 1 611 7000
Av. Fatima 541, Urb La Merced
Tel: +51 44 423 442

Calle Bolognesi 201 - Yanahuara
Tel: +51 54 251 476  
Calle Las Palmeras 195 Urb. San José
Tel: +51 56 238202

Calle Lima N° 418 – Chincha Alta
Tel: +51 56 265020
Calle Los Ceibos, Urb. Miraflores
Tel: +51 73 396838
Av. El Sol 616, 3rd floor
Tel: +51 84 252624

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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