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Global Leader

WWL Ranking: Recommended

WWL says

Patrick O'Neill is "a very competent expert" who "does an excellent job on quantum claims" according to market observers.


Patrick is director at ADR Partnership Ltd in Hong Kong with over 30 years of experience in the construction industry. Patrick is a chartered quantity surveyor, an ICC-listed expert witness and a CEDR-trained accredited mediator. He has acted as quantum expert in High Court actions and in construction arbitrations on more than 30 occasions in Hong Kong, the Middle East and in Europe.

Patrick has been cross-examined in both common law and civil law jurisdictions including giving concurrent evidence (hot tubbing).

Patrick is regularly appointed by clients representing both client developers and contractors and is able to produce concise and persuasive reports on complex matters of quantum concerning the preparation of final accounts, valuation of variations, re-measurement issues, management of change, prolongation and disruption cost claims.

For the past 18 years, Patrick has been involved in providing contract and commercial advisory services to clients on some of the largest building and civil engineering projects in Europe, the Middle East, Africa, Hong Kong, Singapore and Australia. He is regularly appointed to advise on live projects by contractors, providing him with a unique blend of hands-on practical up-to-date experience necessary for quantum expert appointments.

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