Mariel Hoare

Mariel advises and represents construction industry clients on dispute avoidance and dispute resolution in all phases of a project, from advising on appropriate dispute resolution forums and mechanisms, providing contractual advice, and assisting with contract administration, to acting for clients in all forms of alternative dispute resolution, including adjudication, dispute boards, expert determination, as well as litigation and arbitration.  

Mariel has significant experience advising clients and instructing technical experts in relation to complex claims for delay, variations, and defective building work. Her experience includes major public infrastructure and transport, commercial development, industrial, and conventional and renewable energy projects across Europe, Asia, the Middle East, and Australia. She has advised on many of the standard form contracts used in the construction industry.

In addition to her construction and engineering disputes practice, Mariel also has significant experience advising and acting for public authorities and bidders in public procurement challenges in the Technology & Construction Court. Her recent experience includes acting for the Gambling Commission in a challenge brought by The New Lottery Company to the award of the Fourth National Lottery Licence. This case was listed in The Lawyer’s ‘Top 20 Cases of 2025’.