Trevor Pettigrew-Smith


Trevor is a Chartered Quantity Surveyor with over 35 years of experience of construction and civil engineering. He has acted as quantum expert on 12 occasions and as expert assistant on 10 occasions.

Trevor has held senior positions working on building and infrastructure projects across the UK and the Middle East. He is skilled in claims and dispute resolution services and has prepared extension of time and additional cost claims for main contractors and subcontractors for disputed sums in excess of £40 million.

Trevor specialises in expert witness work, dispute management, contractual matters, arbitration, adjudication and mediation. He supports clients in matters of prolongation and disruption, defects, variations, negligence and termination.

Trevor has acted as quantum expert for disputes in litigation and adjudication and has been cross-examined at arbitrations. He has acted on a vast range of disputed matters from varied use buildings projects to tunnels, roads, utilities and marine projects. Trevor’s expert witness commissions have included projects across the UK, and the Middle East.

Trevor is a fellow of the Royal Institution of Chartered Surveyors, the Chartered Institution of Civil Engineering Surveyors and the Chartered Institute of Arbitrators. He is on the panel of adjudicators for RICS, CIArb, CIC and SBF and has been published on a number of occasions; most recently as co-author the ‘Scotland’ section of Andrew Burr’s International Contractual and Statutory Adjudication.

Qualifications Master of Laws
Diploma in International Arbitration
BSc (Hons) Building (Engineering and Management)
ICE Certificate in Law and Contract Management (Module 3)
Professional Memberships FRICS, FCICES, FCIArb
Contract Specialities JCT, NEC, SBC, ICE, ICC, FIDIC, IChemE, and bespoke contracts
Consulting Experts 2018
Expert Highlights
  • Experienced and reliable quantum expert.
  • Proven as a credible witness under cross-examination.
  • Simple and convincing reports.
  • Understands the construction industry’s practices.
  • Respected by peers.
  • Easy to work with.
Expert Details
Location Glasgow, UK
Services Quantum
Sectors Buildings, Infrastructure, Industrial, Power & Utilities, Oil & Gas, Aerospace, Defence, Security & Space
Expert Statistics
Years of Experience 35+
No. of Expert Commissions 12
No. of Cross Examinations 4

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