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Expert Profile

Tom Comerford

Tom Comerford

Quantum Expert

BSc (Hons) Quantity Surveying MSc Construction Law and Arbitration
Disruption Claims
Target Cost Contracts
NEC3 Options A, B and C
NEC3 Term Service Contract
JCT 2005 Subcontracts
Process & Industrial
Middle East
United Kingdom


  • Chartered Quantity Surveyor and Civil Engineering Surveyor
  • Over 30 years of engineering and construction industry experience
  • Specialist in valuation issues, disputed final accounts, prolongation costs, claims for direct loss and/or expense, and damage claims
  • Cross-examination experience and experience of concurrent witness evidence ‘hot tubbing’
  • Experienced in most tribunal forums including ICC
  • Over 20 expert appointments


Tom is a chartered quantity surveyor and civil engineering surveyor with over 30 years’ experience in the construction and engineering industries. He particularly deals with the preparation and valuation of variations; claims for prolongation; project disruption and acceleration; disputed accounts; remedial works; and damages. Tom has been appointed expert in various roles on numerous occasions.

He trained as a quantity surveyor with a national construction company, dealing with a variety of projects, and carrying out a full range of quantity surveying and commercial management functions. Subsequent to that, he joined an international contractor providing claims and commercial management services on multi–million pound projects both nationally and internationally. Tom has been a consultant for the last 15 years involved in claims, disputes of up to £350m, and expert witness work.

Tom has been involved in many industry sectors including rail (under and over–ground, light rail and tram) infrastructure, (roads, bridges, earthworks, drainage, structures) power stations (nuclear and gas fired) process (water and waste) buildings (offices, scientific, schools, retail, hospital, and residential). He has been instructed on behalf of contractors, sub–contractors, engineers, insurers, local and borough councils, governors, and private individuals.

Tom has experience of NEC, JCT, ICE, IChemE, and FIDIC forms of contract and various subcontracts.

In addition to his various chartered fellowships, Tom is a Member of the Expert Witness Institute; Member of the Academy of Experts, and a Cardiff University Law School Bond Solon Certified Expert Witness.

This expert has the following cross-examination experience:

  • International Arbitration
  • Domestic Arbitration
  • Adjudication/Mediation
  • Successfully completed external cross examination courses

This expert has been instructed by:

  • Amarchand & Mangaldas & Suresh A. Shroff & Co
  • Direct access recommendation of 39 Essex Street Chambers
  • Beale and Company
  • Legal department of The London Borough of Tower Hamlets
  • Legal department of Scott Wilson
  • DWF
  • Hewitsons
  • Geldards LLP
  • Pinsent Masons
  • Hogan Lovells
  • Gordon Dadds

“…that budget was, as Mr Comerford’s analysis showed, unrealistically low. There is no evidence to suggest that the Works would have become more profitable had they continued to completion. I am not persuaded that they would have generated any profit for…at all. More likely than not, the Works would have always made a loss.”