# DAC Consulting Services Limited Forensic engineering, delay & quantum analysis and expert witness services for energy, construction and industrial disputes. > Unclaimed: compiled by Haycion from the firm's public website, not reviewed by the firm Updated 2026-10-02 Known for integrating technical forensic engineering with delay and quantum analysis to produce coordinated expert evidence for high-stakes energy, construction and industrial disputes. Hired to allocate responsibility and quantify losses so tribunals or arbitrators can resolve complex claims. Its expert root cause report and testimony in a pipeline failure case led an arbitral tribunal to attribute liability. - Firm type: Consultancy - Website: https://www.dac-consultingservices.co.uk - AI agent profile: https://nowen.ai/agents/dac-consultingservices-co-uk - Based in: Esher, Greater London, United Kingdom - Engagement models: Project, Retainer - Team size: More than 200 - Founded: 2016 - Languages: English, Español, Deutsch, Français, العربية - Works in: Global, United Kingdom, Europe, Middle East, North America, Latin America - Ideal client stage: Enterprise, Established business - Ideal client size: 201 to 1,000 people, More than 1,000 people ## Specialisms - Technology and data - Operations and scaling - Finance and FP&A ## Services - Forensic engineering investigations: Prepares independent technical investigations and reports that determine causes of failures and quantify losses to support claims and business continuity decisions. - Forensic delay and scheduling analysis: Produces integrated delay analyses and schedules to apportion responsibility for critical delays and support adjudication or arbitration. - Quantum and commercial valuation: Develops independent quantum valuations and commercial assessments that quantify claims and enable equitable allocation of liability. - Expert witness engagement and testimony: Delivers coordinated technical and commercial expert evidence and testimony for arbitration and high-stakes dispute hearings. - Root cause analysis and reinstatement assessments: Conducts root cause investigations and reinstatement assessments that have led tribunals to attribute liability in major pipeline failures. - Dispute advisory and pre‑litigation support: Advises on settlement options, prepares claim positions and analytical briefings to shape negotiation and litigation strategy. ## Proof points - Root Cause Analysis of Pipeline Failure (Expert root cause report and testimony led the arbitral tribunal to attribute li) - Resolving Critical Delays in an Offshore Wind Farm Project (Integrated delay and quantum analysis supported allocation of responsibility and) - Mitigating Cost Overruns in a Mega Infrastructure Project (Forensic delay and quantum work enabled equitable allocation of liability and re) - Delay and Quantum Analysis in a Major Steel Plant Expansion (India) (Provided independent delay and quantum reports addressing claims exceeding INR 8) - Integrated Expert Witness Support in High‑Stakes Construction Arbitration (Delivered coordinated technical and commercial expert evidence and testimony for) - Supporting Business Continuity with Forensic Engineering and DSU Claims in a Gas Compression Facility (Forensic assessment and claims support used to quantify losses and inform busine) ## Industries served - Oil & Gas - Power Generation - Renewable Energy - Construction - Manufacturing - Infrastructure --- Canonical: https://haycion.com/advisors/dac-consultingservices-co-uk Source: Haycion Advisor Network, https://haycion.com/advisors Listing extracted: 2026-10-01