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The Firm


BLP (Business Law Partners) was founded with the vision of become true business allies of their clients by combining High-quality legal services with sound business advice.



BLP es recognized as one of the most prominent law firms in Central and Latin America, as demonstrated by the loyalty of our clients and numerous distinctions from the most prestigious international legal directories.

Our group of companies


In an effort to provide comprehensive service and added value for our clients, BLP has developed subsidiaries that allow us to broaden our scope ensuring quality and excellence in Central America.

Andrea Sittenfeld

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Andrea Sittenfeld

Senior Associate
Costa Rica

(506) 2205 3939



Andrea is a BLP Senior Associate in San Jose. With more than a decade of legal experience, she specializes in the practice areas of Public Law, Public Procurement & Regulation, and Privacy & Data Protection.

In the practice of Public Law, Public Procurement & Regulation, she has advised clients in government matters, public tenders, and public contracts and policies. She is especially involved in current issues that entail making important changes in the regulations governing certain sectors, such as the operation of Uber within the country.

In Privacy & Data Protection, she has extensive experience in the development and review of company data protection policies in compliance with the relevant regulations and advises on the registration of databases with the Agency for the Protection of Inhabitants’ Data. Likewise, she has represented a variety of clients in complaint procedures before the data protection agencies of Costa Rica and sought remedies (amparos) before the Constitutional Chamber on the subject of informational self-determination.

She joined the BLP team as an associate in 2011 after being a legal assistant and associate at Lex Counsel for 7 years, and a legal assistant at Costa Rica’s Ministry of Environment and Energy.




- Master of Laws with recognition in Business Administration, Northwestern University, United States, 2011
- Law degree, Universidad de Costa Rica, Costa Rica, 2007

- English
- Spanish


- Costa Rican Bar Association: Member














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