Mayer Brown LLP

Professional Negligence Department

London (Firms)
Current View:

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What the team is known for Impressive team which utilises Mayer Brown International's global footprint to handle major multi-jurisdictional disputes. Demonstrates strength across a variety of sectors, with a client portfolio that includes legal professionals, real estate consultancies and professionals in the construction industry. Also advises large accountancy firms.

Strengths Clients say: "They have international experience and a commercial approach."

Others add: "They are a strong firm with great practitioners."

Work highlights Acted for an accountancy firm on a claim alleging breach of duty during administration proceedings.

Notable practitioners


Jonathan Oulton
acts on a wide array of professional negligence claims on behalf of accountants, insurance brokers and insolvency practitioners. He has further strength in solicitors' liability, with notable experience of multi-jurisdictional matters.
"He is a very personable lawyer with excellent communication skills. He is very clever, a strategic thinker, and reliable."


Michael Regan
has a strong reputation for complex and multi-jurisdictional professional negligence claims in the construction sector. He has a wealth of experience acting for construction professionals and their insurers.
"He is a thoughtful, calm and experienced adviser, with a great ability to simplify complex issues, and he applies a light, measured touch."


Sally Davies
focuses her practice on claims involving valuation, defective materials and design matters. She frequently represents surveyors, architects and construction companies.
"She is a good lawyer - very personable and constructive."


William Glassey
's expertise covers breach of contract and liability claims, with a particular focus on defending international firms and barristers, as well as their insurers.
"He's completely dedicated to his clients, has very good judgement and is always looking for a pragmatic way through." "He is a really good practitioner and strategist."