Ms Guillermina Ester > Pérez-Llorca > Madrid, Spain > Lawyer Profile

Pérez-Llorca
PASEO DE LA CASTELLANA, 50
28046 MADRID
Spain

Work Department

Litigation, arbitration and insolvency

Position

Guillermina Ester focuses her practice on civil, commercial and corporate litigation and arbitration involving unfair competition, shareholder disputes and directors’ liability, contractual disputes, construction disputes, banking litigation and civil liability. Experience advising international and start-up companies who value her thoroughness and hands-on approach.

Career

Guillermina joined Pérez-Llorca in 2005 after five years of practising law in the dispute resolution department at another law firm in Madrid. She made partner in 2010.

Languages

Spanish and English.

Memberships

The Madrid Bar Association (ICAM), Spanish Arbitration Club (CEA)

Education

Law degree (Universidad Carlos III, Madrid, 1999). General Management Programme (PDG) (IESE Business School, 2018)

Lawyer Rankings

Spain > Dispute resolution

Pérez-Llorca has a market-leading dispute resolution practice that spans all areas of litigation across a range of industries, including banking, construction, infrastructure, and energy. The group also excels in arbitration matters, frequently representing clients before ICSID, ICDR, CCI, and other international and local institutions. Félix J Montero leads the group, boasting considerable expertise in a myriad of contentious proceedings, including corporate and public law disputes. Key members include Guillermina Ester, an expert in pre-litigious and litigation matters who has recently been advising on the economic disruptions caused by the pandemic in lease contracts; Juan Rodríguez Cárcamo, who specialises in mandates involving the banking industry; Beatriz García, who focuses her practice on claims for damages related to competition law infringements; and Fernando Bedoya, who is skilled in civil and commercial claims. Noteworthy contributions also come from Ignacio Santabaya, a key point of contact for matters related to civil, insolvency, and administrative issues.