Michael O'Shea
Mediator, Solicitor & Chartered Surveyor
Short Introduction
Michael O'Shea is a leading construction and engineering mediator with more than 25 years of experience resolving complex construction, infrastructure, property and engineering disputes. As Head of Construction & Engineering Dispute Resolution at Gowling WLG, and uniquely qualified as both a Chartered Quantity Surveyor and Solicitor, he combines technical, commercial and legal expertise to help parties resolve high-value and technically complex disputes.
Michael is particularly recognised for his work in construction contracts, delay and disruption claims, defects disputes, valuation and quantum issues, infrastructure projects, PFI and PPP disputes, and multi party construction conflicts. Clients value his practical, commercially focused approach and deep understanding of how the construction industry operates.
Testimonials
About Work
Michael O'Shea specialises in mediating construction and engineering disputes and regularly assists contractors, developers, consultants, public authorities, specialist subcontractors and project stakeholders involved in major construction, infrastructure and property developments.
Before becoming a mediator, Michael qualified and practised as a Quantity Surveyor before requalifying as a Solicitor. This dual perspective gives him a detailed understanding of the technical, contractual and commercial issues that underpin construction disputes. He has advised on some of the UK's largest and most complex projects and is recognised as a leading practitioner in construction dispute resolution.
His mediation experience includes final account disputes, defects claims, extension of time and delay claims, loss and expense disputes, fire safety issues, professional negligence matters, termination disputes and complex multi-party construction cases involving infrastructure, transport, sports facilities, healthcare and residential developments.
Clients value Michael's pragmatic, solution-focused and commercially astute style. He combines detailed preparation with a strong understanding of industry realities, helping parties assess risk, explore practical options and work towards efficient and sustainable settlements.
Expertise
- Commercial & Corporate
- Construction, Property & Planning
- Industry, Energy & Environment
Languages
- English
Awards
Legal 500 – 2025 – Leading Individual - https://www.legal500.com/firms/3617-gowling-wlg/r-england/lawyers/2164620-michael-oshea
Chambers & Partners 2025 – Leading Individual - https://chambers.com/lawyer/michael-oshea-uk-1:4141
Best Lawyers UK 2025 – Ranked Individual - https://www.bestlawyers.com/united-kingdom/construction-law
Memberships
Civil Mediation Council
Royal Institution of Chartered Surveyors
Evaluative Mediation
Royal Institution of Chartered Surveyors
Evaluative Mediation