Barcelona | Cathay Associates

The Spanish member of the
Cathay Associates network:




Established: 2003

Staff: 270+

“Whenever you find yourself on the side of the majority, it is time to pause and reflect.”

— Mark Twain

Rousaud Costas Duran brings experienced lawyers from different legal disciplines to a leading law firm in Spain aimed at foreign and Spanish clients. Our legal services offer business entities—from small to large—an effective way to handle constantly changing market conditions, providing our clients with the safest business solutions. Our wide-range of experience and expertise in legal and practical issues includes investment opportunities, environment, and M&A in Spain. RCD works with offices in Barcelona and Madrid to provide advice to the entire country.


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2013 Forty under 40 Iberian Lawyer



Ranked in 2015 Chambers Global



Leading Law Firm in Chambers Global 2015



Who’s Who Legal



Legal500 recognized firm


  • Advised the leading vertical search engine for classifieds in Europe and Latin America on its sale to an Asian company.

  • Advised a leading pharmaceutical company in Spain on its merger with another, creating the fifth largest pharmaceutical company in the country. This case was awarded the best corporate transaction of 2014.


  • Advised the largest private hospital network in Spain, on its sale of a 60% stake to a venture capital firm.

  • Advised on behalf of a leading international insurer (present in over 130 countries) in response to two insurance claims involving damages arising from the professional services provided by a group of insured members of the client.




Ignasi Costas


We are one of the most active law firms in the Spain. Our achievement has been recognized by major international rankings such as TTR (Transactional Track Record). With 45 recorded deals during 2015, Rousaud Costas Duran has the largest market share in Spain.


During the first quarter of 2015, we handled the largest number of operations in Spain and, during the first half of the year, continued to lead the M&A, Venture Capital and Private Equity rankings. In 2015, Bloomberg ranked us as leading advisors in the Iberian Peninsula. Likewise, in 2014, our team ranked among the top 15 Spanish law firms with the greatest volume of operations (TTR/Expansion).






In addition to our key practices and key industries, our local specializes include:

  • Innovation and Entrepreneurship

    We have maintained a strong commitment to entrepreneurship and innovative projects. Our substantial experience and extensive knowledge in both the technology-transfer field and in R&D, have helped us understand, harness, and anticipate the specific legal and strategic needs that companies may have throughout their lifecycle.

  • Insurance

    We offer comprehensive advice to life and non-life insurance and reinsurance companies, insurance intermediaries and other operators within the sector at both national and international level.



Escoles Pies, 102, 08017 Barcelona, Spain

Serrano, 116, 28006 Madrid, Spain

+34 93 503 48 68


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