CYK office

Leading boutique disputes lawyers

CYK meeting room

Who we are

Cooke, Young & Keidan is a leading boutique firm of commercial disputes lawyers. We specialise in undertaking substantial English Court litigation, international arbitration and alternative dispute resolution, working for businesses in the UK and abroad as well as for high-net-worth individuals.

We are known for outstanding successes in complex cases thanks to our experience, innovation and tenacity. Our specialist focus assists us to remain free of conflicts of interest, meaning that we can act fearlessly against most financial institutions and substantial multinational companies.

What others say about us

More of a powerhouse than a boutique these days
The Legal 500
They have superb business acumen and excellent industry knowledge
Chambers Guide
Technically and strategically, CYK have the presence and profile to command attention
The Legal 500

Proven track record

Our lawyers have deep experience across a broad range of commercial dispute areas. We act in cases before the English High Court, Court of Appeal and Supreme Court, as well as in international arbitrations under all major institutional rules including LCIA, ICC, SCC and UNCITRAL.

We regularly act in cases involving complex cross-border issues, multi-jurisdictional proceedings, and matters involving significant sums. Our clients trust us with their most important disputes.

CYK workspace

Meet the Team

Discover a team of tenacious, innovative and personable lawyers.

Sinead O'Callaghan
Sinead O'Callaghan
Managing Partner
Lydia Danon
Lydia Danon
Partner
Jon Felce
Jon Felce
Partner
Mikhail Vishnyakov
Mikhail Vishnyakov
Partner
Andrew Woolsey
Andrew Woolsey
Partner
Léonore Carron-Desrosiers
Léonore Carron-Desrosiers
Associate

Ready to discuss your dispute?

Get in touch with our team for expert legal advice.

Contact Us