Jaime Portillo Olave

Licenciado en Derecho en 1984 con Premio Extraordinario por la Universidad Complutense de Madrid. Es premiado por el Gobierno de Japón con una beca de estudios a los mejores currículums de la Unión Europea en 1989. También es reconocido con una beca del British Council (1986) y recibe otra beca de estudio de los gobiernos de Francia y Estados Unidos. En 1984 funda su propio despacho de abogados especializado en derecho financiero, bancario y bursátil. En 198...

Luis Jiménez-Arellano is a lawyer, member of the Bar Association of Ciudad Real since 2004 and of the Bar Association of Madrid since 2009. He has completed a Master's Degree in Labor Law at Centro de Estudios Financieros (CEF) and has extensive experience in the defense of labor, civil and criminal lawsuits . He joined Bufete Mas y Calvet in 2009, where he has specialized in Labor Law , Civil Administrative Litigation and Criminal Law . He collaborates with media in articles about lab...

Cristina Simón Amián joined the law firm in 2005. A practising lawyer. A graduate of law from the Complutense University of Madrid. Received a diploma at the Madrid Centre for Economic and Taxation Studies (CETE). Cristina specialises in Commercial, Procedural and Insolvency Law. Possessing solid experience in the field of company law, she advises companies from various sectors on the matters that affect them from day to day. Incorporation processes and commercial company develo...

Gonzalo García-Valdecasas Colell is a Founding Partner and attorney at Cysae in Madrid, where he advises companies and entrepreneurs on matters involving fintech , corporate law , and Intellectual Property Law . His practice focuses on the legal and regulatory issues that arise at the intersection of technology, finance, and business operations. He works with clients on topics including information technology law, data protection, blockchain and digital assets, cybersecurity, and finan...

Manuel has a long standing experience in company occupational, corporate, taxation and accounting assessment and auditing, over a period of more than 30 years constantly in contact with companies, SMEs, large companies and multinationals. He is fully committed to the management of the office's most important clients, having played a key role in procuring excellent management results. He is a regular speaker and columnist for highly prestigious forums (Deusto University, Faculty of Economics a...

Sergio Juárez is a Partner in the Employment Law department of Andersen Tax & Legal at the Madrid office. He previously worked at Olleros Abogados, CMS Albiñana & Suárez de Lezo and Garrigues. Sergio is a specialist in comprehensive legal and employment advice to public and private sector companies (national and international), as well as in litigation in all levels of the social jurisdiction, and in administrative proceedings before the Labour Inspectorate and So...

Jaime Silva is a Partner in the Employment Law and Social Security Department at the Madrid office of Andersen Tax & Legal. He previously worked at Garrigues CMS Albiñana & Suárez de Lezo and Olleros Abogados. Jaime Silva is a specialist in labour litigation and legal advice to companies in public and private sector and he has wide experience in IT industry and the posting of workers abroad. In the academic field, Jaime is lecturer in several programmes about Labour Law ...

Inmaculada González López is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Inmaculada, who practices law in Madrid, Spain, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Inmaculada is held by other top lawyers in the same geographic and legal practice area.

Carlos Cortés is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation. Carlos, who practices law in Madrid, Spain, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carlos is held by other top lawyers in the same geographic and legal practice area.

Javier es licenciado en Derecho por la Universidad de Navarra (1992) y LLM por University College London – UCL- (1996), miembro del Ilustre Colegio de Abogados de Madrid (1993) y “Solicitor of the Law Society of England and Wales (1997) y profesor de M&A (Fusiones y Adquisiciones) en el Instituto de Empresa. Javier tiene gran experiencia en la especialidad de M&A, habiendo realizado numerosas operaciones, tanto nacionales como internacionales, coordinando equipos en divers...