Our Mission

Don´t let regulation stand in your way to success

At a glance


MATEAS LAWYERS is a regulatory boutique set up in 2007 and focusing on providing expert legal advice to companies in regulated sectors, especially Telecommunications and Energy.

Our legal and regulatory services are based on excellent professional skills, over 20 years´ experience, significant previous in-house experience and highly specialized knowledge to meet the requirements of the most demanding international clients.


Work method


Mateas Lawyers, an international leading law firm in telecommunications, renewable energy and digital economy / e-commerce, seeks to maintain a flexible and light structure that enables us to serve clients competitively. Our service standards reflect this hands-on, direct, cost effective and flexible work style. The lawyers you talk to are also the ones who do the work.

We pride ourselves in working proactively with clients to find the legal solutions that will help them solve regulatory problems effectively through legal advice on telecommunications, renewable energy regulation and e-commerce.. We also have the ability to act as an internal department within your organization and have successfully provided interim legal management services to our clients at critical times when they needed them.

International services


International clients in a global economy need truly international lawyers. This is particularly true for cutting edge industries like Telecommunications and Energy, as well as digital economy, e-commerce and legal advice to start-ups. Based in Madrid, we work seamlessly across countries combining our own in-depth regulatory/legal knowledge of telecommunications and energy with the necessary local input (based on a combination of own-local presence and a network of trusted correspondent lawyers). This allows us to provide services in the European Union, North of Africa and selected LATAM countries.

Our services are provided in English, French and Spanish.

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