
Expert Witness Services
We provide independant and impartial expert reports on quantum and delay
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Claims sucessfully handled
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Years Experience in Construction

A Quantity Surveying Practice Regulated by the RICS
Our Expert Witness Services
Independent Delay & Quantum Expert Opinion
We provide impartial, independent opinion evidence in full compliance with an overriding duty to the tribunal.
Forensically Robust Analysis
We provide expert opinion grounded in detailed forensic delay and quantum analysis, supported by contemporaneous records and recognised methodologies.
Delay and Disruption Claims Quantum.
We deliver structured, precise expert reports that distil complex technical issues into clear, persuasive evidence.
"I have instructed Mark Holden-Smith as an expert in quantum and delay on a number of occasions in adjudications. I find him to be thorough and methodical but never slow. His reports have always been concise and persuasive, and I recommend him."
- Andrew Rimmer, Solicitor and Construction and Engineering Partner
Mark Holden-Smith
LLB(Hons) FCIArb MRICS MCIOB DipAdj DipArb
Managing Director
Construction Contract Consultant
Chartered Quantity Surveyor
Chartered Construction Manager
Forensic Delay Analyst
Registered Adjudicator
Registered Arbitrator
Mark Holden-Smith is a Chartered Quantity Surveyor and Chartered Construction Manager specialising in construction claims and dispute resolution services, a Fellow of the Chartered Institute of Arbitrators, and a registered Adjudicator with the RICS, CIArb and CIC, with 30 years of experience in construction. Mark is well-placed to help parties to construction contracts in quantifying claims, resolve disputes, and advise on commercial risk.
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