Home office: Cardiff
Also works in: Bristol
Additional languages spoken: Welsh (fluent), French (basic)
Tomos is a Senior Associate in our Commercial Litigation team, based in both our Cardiff and Bristol offices.
Tomos is an experienced commercial litigator specialising in high value and complex disputes, particularly those involving reputational risks.
He has experience across a broad range of domestic and international matters, in particular:-
- Contractual disputes – including breach of contract, breach of warranty/indemnity, unfair contract terms and supply chain disputes
- Shareholder and boardroom disputes – including shareholder and partnership disputes, disputes arising from directors’ duties under the Companies Act 2006 and derivative action
- Banking and finance – including enforcement of guarantees, recoveries and security issues
- Financial services – including finance agreements, insurance disputes, professional negligence, asset recovery and fraud
- Energy – including disputes arising from the supply of energy to commercial and retail customers
- Professional negligence – including acting both for and against solicitors, accountants, valuers and surveyors
- IT disputes – including disputes relating to software and defective hardware
Tomos has a particular expertise in public sector disputes and frequently acts for clients in judicial reviews, public procurement challenges and public inquiries.
He has wide experience of UK High Court proceedings, tribunal and professional conduct panel hearings and ADR (including mediation).
He has a pragmatic and user-friendly style and delivers commercially focused advice which supports clients in achieving their objectives.
Tomos is a member of the Procurement Lawyers’ Association.
Experience
Tomos joined Clarke Willmott in 2025, having previously trained, qualified and practiced at Eversheds Sutherland (International) LLP. At his previous firm, Tomos’ caseload included:
- acting for a public body defendant in a $93 million+ claim for alleged misfeasance in public office and inducement of breach of contract/fiduciary duty arising out of a criminal investigation of fraud, bribery and corruption, culminating in an 11-week trial amid widespread media coverage in the UK and abroad. The case was listed in The Lawyer’s Top 20 Cases of 2021;
- representing a statutory body in defending a judicial review challenge brought by two, prominent former members of the Labour Party;
- representing a large water company in defending a judicial review challenge concerning the client’s Water Resources Management Plan;
- acting for a French multinational company which supplies industrial gases and services in challenging the NHS’s decision to award a $100m+ home oxygen procurement contract to another tenderer;
- acting as legal adviser to a prominent regulator in professional conduct panel hearings;
- part of the team acting for Core Participants in both the Grenfell Tower and Post Office Horizon IT inquiries; and
- acting for financial institutions in bringing claims against professionals involved in lending transactions.