Peter is consistently recommended by independent publications based on client and peer feedback for his deep legal expertise, sound judgment, strong case management skills, and unwavering commitment to excellence, fairness, and integrity. Peter’s recent accolades include:
Chambers
— Chambers Global & Europe – France, 2025
“Peter Rosher is impressive in strategy and his advocacy is stellar.”
— Chambers Global & Europe – France, 2025
“Peter Rosher is a superb lawyer who is sharp, intellectual and can see the bigger picture.”
— Chambers Global & Europe – France, 2024
Peter Rosher is lauded for his expertise in construction cases. His client roster includes leading French and international companies hailing from the energy, technology and aerospace sectors.
— Chambers Global & Europe – France, 2024
“Peter is an excellent team leader. His nuanced and sophisticated understanding of complex factual matters is evident. He is also very skilled at oral advocacy.”
— Chambers Global & Europe – France, 2024
“Peter is a partner with a strong strategic vision.”
— Chambers Global & Europe – France, 2023
Described as “client-oriented” and “responsive,” Peter’s blend of legal expertise and practical, results-driven focus has earned him a trusted reputation, with clients noting he is “an essential point of contact for our company”
— Chambers Global & Europe – France, 2023
“We were impressed by his analytical skills and his pragmatism."
— Chambers Global & Europe – France, 2022
“Peter Rosher is quick, able to grasp the most complex technical issues and formidable in cross-examination.”
Lexology Index
(formerly Who’s Who Legal)
Peter is also consistently ranked as “Recommended” and a “Thought Leader” in both the Lexology Global and Lexology France rankings for the International Arbitration and Construction categories every year since 2022.
Best Lawyers
Peter has consistently been ranked in Best Lawyers France for International Arbitration and Construction each year since 2023.
The Legal 500
Ranked in The Legal 500 Arbitration Private Practice Powerlist – France, 2023, quotes from The Legal 500 directories include:
— The Legal 500 EMEA – France, 2023
“Peter Rosher has extensive experience in arbitration, is very responsive and knows how to show pragmatism in approaching cases.”
— The Legal 500 EMEA – France, 2023
“Exceptional! Peter Rosher is an exceptional lawyer and I would follow him everywhere.”
— The Legal 500 EMEA – France, 2022
“Peter Rosher is clever, quick and excellent in handling big cases; he is impressive in cross-examination and he’s assisted by a very good team.”
Thomson Reuters
— Stand-Out Lawyers List, 2025
“Peter recognised as a client nominated stand-out Lawyer in the Thomson Reuters”