Mark Castell

Mark Castell is a quantity surveyor with nearly 40 years of construction industry experience. He has acted as an expert on more than 35 occasions in matters of both delay and quantum.

Mark has given written and oral evidence to tribunals and courts, and has experience of witness conferencing (hot-tubbing). He has been cross-examined in international arbitration proceedings, undertaken binding expert determinations in the Middle East and Europe, and acted as a court appointed expert in the Netherlands.

Mark moved to contract and commercial consultancy following 15 years of live project experience in the UK and across mainland Europe. His project experience ranges from energy, marine and offshore to buildings, infrastructure, process and industrial sectors in Europe (including Belgium, Bulgaria, France, Germany, Luxembourg, the Netherlands, Norway, Poland, Portugal, Romania and the UK), Africa (including Egypt, Gambia, Libya, Kenya and Nigeria) the Far East, the Middle East (Iraq, UAE and Oman), Australia, the United States and the Caribbean.

Mark’s varied expert analysis includes the effects of re-measurement, variations or changes to work scope, disruption, delays and extensions to completion dates, acceleration, and claims related to defects and incomplete work. He has acted as expert for disputed values of up to US$135 million.

Mark Castell is a fellow of the Royal Institution of Chartered Surveyors and an associate of the Chartered Institute of Arbitrators. Clients have been “impressed by the professionalism, rigorousness, experience and the independent and impartial judgement of Mr Mark Castell” as well as his “knowledge and familiarity with the arbitral proceedings”.