Pandemic & Civil Authority
Post–[2021] UKSC 1 disputes: disease clauses, prevention of access, and robust loss quantification.
Full overview →Legal Case Types That Require a Business Interruption Expert Witness
When income loss is material to liability or quantum, courts expect disciplined financial modelling - not narrative estimates. The case types below routinely require a credentialed BI expert who can translate accounting records into CPR Part 35 compliant opinions.
Government Shutdown & Regulatory Action
Mandatory closures, access prevention, and quantifying economic loss tied to state action.
Full overview →Contingent Business Interruption (CBI)
Third-party triggers, policy scope, and rigorous causal analysis for downstream revenue loss.
Full overview →Supply Chain Disruption
Upstream/downstream dependencies, trigger events at third parties, and quantifying downstream turnover loss.
Full overview →Fire, Flood & Property Damage
The most common BI triggers - quantifying loss from damage date through financial recovery, not just repairs.
Full overview →Cyber Attack & Network Outage
System downtime, ransomware, and coverage mapping across traditional BI and cyber policies.
Full overview →Prevention of Access & Denial Scenarios
Localised perils, police cordons, and hybrid clauses where access - not only damage - drives interruption.
Full overview →Utilities & Communications Failure
Off-premises failure extensions, public utility exclusions, and financial loss during downtime.
Full overview →Disputed BI Claim (Coverage & Quantum)
Where insurers challenge methodology, indemnity length, or the entire loss presentation - independent quantum reconstruction.
Full overview →Insurance Bad Faith & Unreasonable Handling
Industry practice, investigation adequacy, and reconstructing the claim insurers should have paid.
Full overview →DSU & Delay in Start-Up
Project timelines, DSU wordings, and revenue forgone for each day of insured delay.
Full overview →London & UK Major Centres
High-value retail, financial services, and professional-sector BI disputes with London market rate and disclosure norms.
Full overview →ICW, AICOW & Extra Expense Disputes
Economic limit arithmetic, efficiency tests, and mapping spend to the correct insuring clause.
Full overview →Ready to find your business interruption expert witness?
Tell us about your dispute. We will match you with a credentialed UK specialist for loss quantification, policy interpretation, and CPR Part 35 compliant reporting.