Expert Opinion — forensic valuation, damages & litigation support
Independent, auditable expert reports and testimony that withstand legal and regulatory scrutiny. Financial models, valuation opinion, and expert testimony for disputes, M&A litigation, 409A challenges, IP damages, and shareholder disputes.
When a transaction, dispute or regulatory event requires defensible financial analysis, QuantPillar provides senior-level expert opinion services. We combine forensic accounting, valuation science, and AI-augmented economic modelling to produce clear, defensible reports, sworn statements, and courtroom-ready testimony.
Typical matters we support
Commercial damages & lost profits analysis
IP valuation & patent damages
M&A disputes and purchase price adjustments
Contract breaches & business interruption
409A and ASC/GAAP valuation challenges
Shareholder oppression & buyout valuations
Forensic accounting: tracing, fraud quantification
Expert witness services for arbitration & trial
Core deliverables
Engagement letter & scope statement
Independent expert report (sworn/verified)
Financial model with assumptions & scenarios
Data appendix and source provenance
Methodology & limitations section
Rebuttal & reply opinions
Deposition & trial preparation support
Redacted sample report (on request)
How we work
Intake & conflict check
Narrow scope, confirm independence
Scoping & agreement
Sign engagement letter, specify deliverables
Data collection
Secure transfer, timestamp every file
Analysis & model
Valuation, damages, sensitivity analysis
Draft & review
Client review, privilege handling
Final report & prep
Deliver report, prepare witness
Emergency express opinions available (48–72 hours) for triage or settlement windows.
Evidence controls & auditability
Chain-of-custody
Every document timestamped and logged
Reproducible models
Full formulas retained, version history preserved
Source provenance
Source links and document snapshots included
Independent methodology
Documented choices, literature, and precedent
Privilege guidance
Preserve privilege and minimize waiver risk
Who will work on your case
Lead Expert
Senior Financial Expert / CFA / ex-CFO
Responsible for opinion and testimony
Forensic Accountant
Data reconciliation, tracing, and source validation
Valuation Engineer
Builds and documents the model and scenarios
Legal Liaison
Coordinates privilege, deliverables and court logistics
Research Analyst
Market comps, precedent searches and citation assembly
Pricing guidance
Detailed fee estimates after initial intake; retainers commonly required.
Confidentiality & independence
• Written confidentiality agreements and secure file handling
• Conflict checks and independence confirmation in writing
• Independence declarations and CVs provided as required
Example outcomes
• Defensible expert report meeting admissibility standards
• Reproducible financial model ready for cross-examination
• Deposition and trial-ready witness preparation
• Clear narrative for pleadings, settlement or trial strategy
We follow applicable forensic accounting, valuation and expert witness standards in each jurisdiction. We document all assumptions and reliance on third-party facts. We do not provide legal advice; we provide financial and technical expert analysis to counsel and parties.
Need an independent expert opinion?
Request a confidential consultation today — we'll respond within one business day.