Chambers Review
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Chambers European Guide
Litigation: Elite - Spain
Individual Editorial
Guillermina Ester regularly advises clients on contractual, competition and shareholder disputes. She also handles disputes at the ECJ.
Guillermina Ester
Europe Guide 2025
Band 3 : Litigation: Elite
Email address
[email protected]Contact number
+34 91 423 66 87Share profile
Lawyers profile
Europe 2025
Lawyers profile | Europe 2025: Litigation: Elite
Guillermina Ester
About
Provided by Guillermina Ester
Europe
Practice Areas
Arbitration and Litigation.
Career
Joined Pérez-Llorca in 2005 and made partner in 2010. 5 years’ experience at previous firm. Law degree (Universidad Carlos III, Madrid, 1999). General Management Programme (PDG) (IESE Business School, 2018).
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.
Professional Memberships
Madrid Bar Association, Spanish Arbitration Club (CEA)
Strengths
Provided by Chambers
Slide 1 of 1
She offers excellent client service, as well as the ability to adapt to new demands.
Guillermina Ester's proactive approach and strategic mindset have made her a reference in the legal sector, consistently demonstrating her exceptional analytical skills.
She offers excellent client service, as well as the ability to adapt to new demands.
Guillermina Ester's proactive approach and strategic mindset have made her a reference in the legal sector, consistently demonstrating her exceptional analytical skills.
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