We have an excellent reputation as trusted providers to clients undergoing formal action relating to claims and disputes that require a forensic quantum expert witness. Our team have been, and continue to be, influential in achieving positive and equitable settlements in some of the most substantial global construction disputes.
From our offices in the UK and Ireland, we are appointed to projects across Europe, the Middle East, Africa, North America, South America and Asia.
We specialise in giving evidence in relation to all aspects of quantity surveying, including disruption and prolongation claims, variations, repricing and price adjustments, remeasurement, interim and final account disputes, and many other types of loss, cost or price-based claims.
Our clients include government bodies, large corporate organisations, major airports, and other leading transport, energy and infrastructure providers.
We are currently instructed as quantum experts on disputes ranging in value from £50,000 to over £750m.
All of our testifying experts also act as ‘sub-experts’ where appropriate. When the testifying expert is otherwise engaged, focused on giving evidence, or in purdah, the sub-expert can continue to provide support to the legal team. This strategy is particularly effective on disputes where the quantum is highly complex and forms a significant and wide-ranging part of the matters in dispute.
MBA BSc (Hons) MRICS MEWI FInstLM ACInstCES ACIArb, Chief Executive Officer
Duncan has over 25 years’ experience in the construction, insurance, oil and gas, petrochemical, process, and civil engineering sectors. He has advised on over 300 contentious matters ranging in value from less than £10,000 to over £750m. Duncan’s international experience includes working in the Middle East, the Far East, South America, Mainland Europe, Africa, Australia and the UK.
Having been appointed as a quantum expert in arbitration, litigation, adjudication, and mediation, Duncan has frequently provided oral testimony under cross-examination both internationally and in the UK. He has also presented in front of tribunals and given evidence in witness conferencing (‘hot tubbing’). Recent judgements have commented on his careful approach to giving evidence and the overall reliability of his quantum analysis.
As head of Base Quantum’s team of over 50 quantity surveyors, analysts and other professionals, Duncan oversees significant auditing, quantification and measurement exercises whilst retaining close control of the process as expert.
In 2018, following independent research, Duncan was named by Who’s Who Legal as one of eight Future Leaders of the industry in the quantum of damages category.
MSc MA MRICS FCIArb, Director
Tom has over 13 years’ experience in the construction industry, including working frontline, tackling complex and high-value claims in the UK, mainland Europe, Africa and the Middle East on some of the world’s highest profile energy, aviation, civil engineering and building projects.
He is a chartered quantity surveyor, a Fellow of the Chartered Institute of Arbitrators and a university trained and certificated expert witness.
Althouh skilled in all aspects of quantity surveying, Tom specialises in analysing complex problems, including assessing prolongation and disruption claims. He has devised and led significant sampling and audit exercises and has undertaken multi-layered assessments where the untangling of overlapping, duplicative claims has been necessary. His attention to detail and ability to rapidly identify and unpick the key issues in highly complex quantum matters is of particular value to clients.
Tom has been appointed by public and private clients, contractors, and subcontractors in litigation, international arbitration and other ADR fora, in courts in the UK, including the TCC, and abroad. He has testified and been cross-examined as a party-appointed and single joint quantum expert and has been described in separate judgements as an ‘impressive and considered witness’ and ‘emphatic and consistent in the course of his oral evidence’. Tom’s recent experience of international arbitration proceedings relates to major projects in Africa, Europe, the Middle East and Australia.
BSc (Hons) PgDip (Con Law) FRICS FSCSI FCIArb AMAE, Director
John has accrued 17 years of commercial experience on a range of projects in civil engineering, transport, mixed-use, high-rise, commercial, residential, industrial, health and local authority sectors. He is regularly appointed as quantum expert in formal proceedings.
As well as working on multi-million pound disputes, arbitrations and adjudications, John has provided claim preparation and management on a number of projects in Ireland, the UK, Europe, the Middle East, the Far East and Australia.
John has been appointed as a quantum expert on matters before the Court of Session in Scotland, the High Court in Ireland, a County Court in the UK, in arbitration and regarding various statutory adjudications in the UK. These have included disputes arising from alleged negligence, assessment of variations, extension of time, prolongation, loss and expense and associated costs.
Further to being a Fellow of the Chartered Institute of Arbitrators, the Royal Institution of Chartered Surveyors and the Society of Chartered Surveyors Ireland, John is a practising member of the Academy of Experts. He also sits on the UK Adjudicators panel of Adjudicators.
BSc (Hons) GDipLaw FCIArb MAE, Director
Tony has 20 years’ experience as an adjudication practitioner and quantum expert witness, conducting adjudications as both an advocate and as a quantity surveying expert. He is a Fellow of the Chartered Institute of Arbitrators and a practising member of the Academy of Experts.
Tony has experience acting for a wide range of clients, from specialist subcontractors to major international corporations and large public sector bodies. He has been responsible for carrying out the analysis of large and complex disputes covering defective works, the valuation of additional, varied and remedial works, loss and expense and damages.
Acting as a party representative for clients and, more frequently, as an expert or technical adviser to the client’s legal team, Tony provides clear, concise, thoroughly researched and well-reasoned reports for use in litigation, adjudication or mediation. He also provides independent and objective advice to contractors and legal representatives on the strengths and weaknesses of claims to assist in the negotiated settlement of long-running disputes.
Tony has also acted as part of a larger expert team on projects covering professional negligence, the valuation of works and damages claims ranging in value from below £50,000 to over £750 million. Liaising with colleagues, he helps to ensure that a consistent approach is adopted and the highest standards are maintained.
BSc (Hons) LLB (Hons) MSc FRICS FCIOB FCIArb FIOC, Director
Mark has over 30 years’ experience in the construction industry, working for a variety of clients on a wide range of projects including residential, commercial, hotels, education, mechanical, electrical and plumbing (MEP), waste to energy plants, power plants, civil, leisure, oil and gas, marine, and rail. He has extensive experience in commercial negotiations using standard and bespoke forms of contract.
Along with providing written and oral testimony under cross-examination in international arbitration, Mark has experience providing presentations in front of a tribunal, has given evidence in witness conferencing (‘hot tubbing’), and is a practicing member of the Academy of Experts. His experience includes working in the Middle East, South Africa, Asia, Mainland Europe and the UK.
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