Andrew Merrilees is a Chartered Quantity Surveyor and a practising Expert Witness with over 30 years of experience on major international projects in Singapore, Hong Kong, Macau, Malaysia, Southeast Asia, the UK, and the Middle East, representing clients, consultants, contractors, joint ventures, and legal representatives.

Andrew holds dual qualifications in quantity surveying and law and has experience on international building, engineering, power, petrochemical, and oil and gas projects. During his career, Andrew has held positions including Senior Commercial Manager with Chinese-, Japanese-, Australian-, and UK-owned Tier 1 contractors.

Andrew’s thought leadership within the profession includes experience of public speaking at seminars and conferences, in-house training, APC assessor for the RICS and CIOB, and the publication of articles.

Andrew specialises in the provision of commercial and contracts management, independent advisory and independent opinions, dispute avoidance and resolution, and expert witness services, in particular delay and disruption and quantum matters of loss and expense in arbitration, litigation, mediation, adjudication, and support to dispute boards.

• Bachelor of Law, LLB (Hons): University of London (2008)
• Master of Business Administration, MBA: University of Reading (2001)
• Project Management, Post-graduate Diploma: University College of Estate Management (2000)
• Quantity Surveying, BSc (Distinction): Glasgow Caledonian University of (1994)

• “Is Expert Witness Immunity in England and Wales Bulletproof?” – (CCi web page), 2022
• “On the Origin of Quantity Surveyor Species By Means of Natural Selection and Duty of the Expert to the Court” – Society of Construction Law, Singapore, and (CCi web page), 2021
• “Managing Risk”, The Singapore Engineer Journal, 2016
• “Informal Agreements and Generation Y”, The Chartered Institute of Building Article Hong Kong, and the Kuala Lumpur Regional Centre for Arbitration (KLRCA/AIAC) Article, 2016
• “Adjudication and Breach of Natural Justice” – Costain Limited-v-Strathclyde Builders Limited [2003] ScotCS 316, The Chartered Institute of Building Hong Kong, 2015
• “EOTs and Condition Precedent”, The Chartered Institute of Building Hong Kong, 2014
• “Determining the Real Causes of Delays”, The Chartered Institute of Building Hong Kong, 2013
• “Damages: Breach and Actual Loss”, The Chartered Institute of Building Hong Kong, 2011
• “Concurrency and Apportionment in EOTs”, The Chartered Institute of Building Hong Kong, 2010

• Fellow: Royal Institution of Chartered Surveyors (RICS)
• Fellow: Chartered Institute of Building (CIOB)
• Fellow: Association for Project Management (APM)
• Fellow: Chartered Institution of Civil Engineering Surveyors (CInstCES)
• Fellow: Association of Cost Engineers (ACostE)
• Fellow: Chartered Management Institute (CMI)
• Member: Chartered Institute of Arbitrators (CIArb)
• Practising Member: Academy of Experts (MAE)
• Registered Professional Surveyor (RPS [QS])