Regularly appointed in high-value, technically complex disputes, we provide support at all stages – from the early development of a claim to delivering expert testimony in hearings – bringing precision, objectivity, and clarity to every engagement.
Experienced, independent quantum expert witnesses.
We provide quantum expert witness services to clients and law firms involved in construction and engineering disputes across domestic and international jurisdictions. Our quantum experts include chartered quantity surveyors and seasoned forensic practitioners with extensive live project experience, supported by our active quantity surveying team to ensure up-to-date knowledge of industry practices.
Why choose SOCOTEC Forensics & Advisory
We are known not only for our quantum expertise, but also for our ability to communicate complex issues clearly and credibly – both in writing and in oral evidence. Our highly qualified and respected quantum experts bring the same discipline, impartiality, and clarity to every appointment, whether a lower-value claim or large-scale dispute.
Our commitment is to act as a trusted partner to legal counsel, addressing the most detailed and challenging matters with professional expertise.

Quantum Expert Witness Services
Our expertise
Our team has experience across a wide range of dispute resolution forums, including litigation, domestic and international arbitration, adjudication, and mediation.
We are instructed to undertake detailed quantum analysis in matters involving:
- Variations and changes to scope
- Delay, disruption, and prolongation claims
- Damages for breach of contract
- Claims involving professional negligence
- Loss of investment or loss of profit
- Insurance and reinsurance disputes
Our team has experience across a wide range of dispute resolution forums, including litigation, domestic and international arbitration, adjudication, and mediation.
We are instructed to undertake detailed quantum analysis in matters involving:
- Variations and changes to scope
- Delay, disruption, and prolongation claims
- Damages for breach of contract
- Claims involving professional negligence
- Loss of investment or loss of profit
- Insurance and reinsurance disputes

Our Approach
How we support our clients
Our experts operate with a meticulous, evidence-based approach - conducting thorough audits of project records, contract documentation, schedules, and cost data. We apply industry-recognised methodologies and evidence-based opinion to provide independent, robust and defensible analysis.
We work seamlessly with legal teams from pre-action strategy through to final hearing, providing support at every stage:
- Drafting preliminary expert opinions and strategic input
- Advising on document disclosure and technical evidence
- Preparing detailed, CPR-compliant or tribunal-compliant expert reports
- Participating in joint expert meetings and preparing Scott Schedules
- Delivering clear, concise oral testimony under cross-examination
Our experts operate with a meticulous, evidence-based approach - conducting thorough audits of project records, contract documentation, schedules, and cost data. We apply industry-recognised methodologies and evidence-based opinion to provide independent, robust and defensible analysis.
We work seamlessly with legal teams from pre-action strategy through to final hearing, providing support at every stage:
- Drafting preliminary expert opinions and strategic input
- Advising on document disclosure and technical evidence
- Preparing detailed, CPR-compliant or tribunal-compliant expert reports
- Participating in joint expert meetings and preparing Scott Schedules
- Delivering clear, concise oral testimony under cross-examination

