The Firm

The firm, founded in 1997, is headed by Sebastián Rivero and John R. Gustafson.

It provides legal advice in the daily activity of companies operating in the most diversified business sectors, assists clients throughout strategic transactions as well as in the defence of entrusted interests before courts and arbitration panels.

In Rivero & Gustafson we offer our clients all our experience and commitment.

The experience of a team of lawyers that has built over the past years a firm of reference for companies in Spain, representing the interests of a wide range of clients that renew their confidence on our team year after year.

Our commitment to delivering satisfactory results is vital to the professional development of the firm and has positioned us in key areas such as litigation. We hire highly qualified lawyers and correspond with other firms in those jurisdictions where our clients demand the best legal advice available in the market place.

Rivero & Gustafson is a member of the American Chamber of Commerce in Spain , the British Chamber of Commerce in Spain, the French-Spanish Chamber of Commerce in Spain and the Spanish Chamber of Commerce in France.


We collaborate with prestigious law firms in USA, Germany, Austria, Belgium, France, The Netherlands, Italy, Norway, Portugal, UK, Sweden and Switzerland.

AWERIAN, The boutique business law firm network

Rivero &Gustafson Abogados is a founding partner of the AWERIAN Alliance, an integrated network of boutique business law firm to respond to cross-border challenges and opportunities in a more cost efficient approach than ever before.

With offices in France, Belgium, Spain, Germany and Austria, AWERIAN is the cross border practice that facilitates the efficient pro-vision of multidisciplinary legal services to businesses operating throughout the European Union.

Our distinctive crossborder cooperation combines for the benefit of our clients, the local legal insights with the personal contact between the involved partner and client. Alongside the extensive experience of each local firm, AWERIAN allows our clients to benefit from the combined experience and insights in each of the jurisdictions covered.



Rivero & Gustafson Abogados has signed a working agreement with the Parisian law firm Vigo in order to give cross border assessment to companies in Spain as well as in France.
Vigo specializes in responsibility law, risk management, criminal law (business, employment, tax, new technologies…), civil law (industrial hazards, mediation and arbitration, corporate responsibility…), commercial law and sports law. It proposes its clients a proactive method to warn and assess them regarding their potential responsibility exposure.

Cabinet d’Avocats Vigo
9, rue Boissy d’Anglas
75008 Paris
Tel : +33 (0)1 55 27 93 93
Contact : Emmanuel Daoud.