The recently published Chambers Europe guide analyses the European jurisdictions and the main Law firms in each one of these, using their own survey that takes into account the opinions of more than 4,000 interviewed directors (from all sectors of the economy). In this guide, JAUSAS law firm stand out in the areas of Pharmaceutical and Tax Law.

In the section on Pharmaceutical Law, Chambers puts JAUSAS at the top of the ranking, with the comment: "This fantastic team has always been at the forefront of the Spanish life sciences practice, being the place where most of the specialised lawyers in the market were trained." Furthermore, the directors of the pharmaceutical laboratories that were interviewed have stated that "This firm is one of the best players in the life sciences arena, if not the best, and certainly the most experienced. The team is particularly renowned for representing private companies in their negotiations with the public administrations" Hector Jausas, as partner and responsible of the Department, is considered as the second best lawyer in this area, in particular highlighted as an "extraordinarily active lawyer with a deep knowledge of the industry".

As regards the area of tax law, Chambers highlights JAUSAS with the comment "the small but excellent team of JAUSAS offers a wide range of national and international tax advice to companies and individuals.", and goes on to make a special mention of Imma Sallent, as partner of the law firm, as "a specialist who deserves special recognition among her colleagues and who is capable of advising both national as well as international companies."