Business Interruption Expert Witness Services
Eight anchored practice areas aligned with US BI policy forms, litigation procedure, and cross-border (US form) comparisons where relevant.
Our specialists support attorneys and insurers from pre-action quantum critiques through trial-ready expert reports, joint statements, and tribunal testimony. Select a service below for methodology detail and FAQs.
- 01
Loss of Business Income Quantification
Baseline analysis establishes the insured’s projected revenue and policy-defined business income using reconciled management and statutory accounts. Experts identify uninsured working expenses, insured standing charges, and any accounting policy changes that distort comparability before any shortfall is measured.
- 02
Rate of Business Income, Trends & Adjustments
The business income margin is derived from the relationship between defined business income and revenue in the reference period. Experts stress-test the ratio for seasonality, growth trends, one-off transactions, and post-loss accounting policy changes that would misstate the comparator.
- 03
Extra Expense Coverage & Extra Expense
Extra expense clauses reimburse additional expenditure reasonably incurred to avoid or reduce the reduction in business income, subject to economic limit tests and monetary caps. Experts distinguish recoverable mitigation from uneconomic spend that fails the policy arithmetic.
- 04
Period of Restoration & Maximum Recovery
The period of restoration measures how long results remain affected by the insured interruption, subject to the maximum period of restoration (policy limit). Disputes often separate physical reinstatement from the longer horizon required to restore revenue and margin.
- 05
Contingent Business Interruption (CBI)
Contingent business interruption (CBI) covers income loss when an insured peril at a specified or demonstrable third-party location disrupts the policyholder’s trading, even if the policyholder’s own premises are undamaged.
- 06
Cyber Business Interruption
Cyber business interruption is income loss driven by digital incidents - ransomware, denial of service, cloud or telecoms failure - where cover may sit in a cyber policy, a property BI extension, or a hybrid placement rather than a classic physical-damage trigger alone.
- 07
Federal Rule of Evidence 702 Expert Reports & Joint Statements
Experts instructed in federal and state courts litigation owe paramount duties to the court under Federal Rule of Evidence 702 and Daubert. Reports must identify instructions, materials reviewed, key assumptions, and limitations - with fair exposition where reasonable experts disagree.
- 08
Litigation & Insurance Disputes
Litigation and arbitration support in BI matters means independent reconstruction of models, disciplined document review, and opinions that separate coverage questions reserved for the court from financial quantum within the expert’s competence.
Instruction process
For vetting, conflicts, and retention mechanics, see our step-by-step hire guide and qualifications overview.
Need a business interruption expert witness?
Share the dispute and the timetable, and we will look for a credentialed specialist for loss quantification, policy interpretation and Daubert-compliant reporting.