Ms Sinead O’Callaghan > Cooke, Young & Keidan LLP > London, England > Lawyer Profile

Cooke, Young & Keidan LLP

Work Department

Dispute Resolution; Litigation; Banking Litigation; Civil:Fraud; International Arbitration; Partnership


Managing, Partner


Trained at Theodore Goddard; Associate at Addleshaw Goddard; Senior Associate at Mayer Brown International LLP; Senior Associate then Partner at Cooke, Young & Keidan LLP.


Sinead is a member of the Law Society of England and Wales, Financial Services Lawyers Associate, the Young International Arbitration Group and the Irish International Business Network


University of Bristol

Lawyer Rankings

London > Crime, fraud and licensing > Fraud: civil

Boutique firm, Cooke, Young & Keidan LLP, boasts a large volume of fraud-related work, handling domestic and multi-jurisdictional matters from corporate and private clients alike. The team is bolstered by the expertise of Sinead O’Callaghan, who specialises in fraud within the financial sector, in addition to Lydia Danon, whose wide expertise extends to crypto. Highly commendable lawyers Natalie Todd  and Jon Felce are also integral to the offering.

London > Dispute resolution > International arbitration

Commercial and financial disputes boutique Cooke, Young & Keidan LLP routinely acts against major financial institutions and sovereign states, being generally free of conflicts of interest. Sinead O’Callaghan specialises in disputes emanating from Africa, South and Central America, and Russia and former CIS countries; Mikhail Vishnyakov is ‘capable of resolving exceptional cases‘; and associate Tulsi Bhatia has significant international arbitration expertise. In 2022, Jon Felce and Natalie Todd joined as partners from PCB Byrne, while former partner Daniel Burbeary joined Gresham Legal.

London > Dispute resolution > Commodities disputes

The disputes practice at litigation boutique Cooke, Young & Keidan LLP is ‘a dynamic force able to deliver results for clients‘. The firm is increasingly active in commodities disputes, among recent examples being two FOSFA arbitrations, and the defense of an award rendered in an International Cotton Association arbitration. Sinead O’Callaghan and Mikhail Vishnyakov are the key partners, In 2022, the firm hired Jon Felce and Natalie Todd from specialist fraud firm PCB Byrne LLP, who are both ‘excellent litigators with a close eye to detail, a strong strategic sense and very strong analytical skills‘.  Their expertise in civil fraud, enforcement, asset recovery and banking litigation is frequently called upon for commodities cases.

London > Dispute resolution > Commercial litigation: premium

(Leading individuals)

Sinead O’CallaghanCooke, Young & Keidan LLP

Boutique firm Cooke, Young & Keidan LLP specialises in commercial, corporate, and financial related litigation, acting for a roster of clients which includes a number of FTSE 100 companies. Tech related work is an increasing focus for the team, including many high-profile matters in the fintech and cryptocurrency area. The practice has continued to grow on the back of the arrival of Jon Felce and Natalie Todd from PCB Byrne LLP in April 2022. Other key practitioners in the team include Sinead O’Callaghan, Lydia Danon and Stephen Elam.

London > Dispute resolution > Banking litigation: investment and retail

(Leading individuals)

Sinead O’CallaghanCooke, Young & Keidan LLP

Boutique Cooke, Young & Keidan LLP has an established financial dispute resolution team, acting against a wide range of major banks and financial institutions. Crypto-related disputes are a mainstay of the practice, with the team recently representing Bitfinex in a major crypto case. Mis-selling, fraud, and breach of contract claims all serve as further strengths of the practice. Sinead O’Callaghan has particular expertise in financial sector linked litigation, frequently advising retail and investment banks as well as leading domestic and international institutions. Stephen Elam has broad experience in global derivatives, allowing him to act on vastly complex financial disputes. Jon Felce, Lydia Danon, and Natalie Todd are highly active in this space.