Business and legal matters

Investigative Due Diligence Before a Business Deal

Financial statements tell you about a company's numbers. Investigative due diligence tells you about the people and history behind them.

Updated November 2026

Key points

  • Research principals as well as the company
  • Look for litigation, regulatory and reputation issues
  • Verify ownership and claims

Principals

Backgrounds of owners and executives: prior companies, bankruptcies, litigation, licensing and public statements. See business partner investigations.

Company history

Litigation, liens, regulatory actions, complaints and media coverage.

Ownership

Who really owns and controls the company, including affiliated entities. See LLC ownership.

Verification

Confirm claimed customers, locations, credentials and operations.

Common questions

How long does due diligence take?

Focused reviews can fit deal timelines.

Do you replace financial due diligence?

No. Investigative work complements accounting and legal review.

Can you research overseas companies?

Often, through partner networks.

This guide is general information, not legal advice. Laws change and vary by state; consult an attorney about your situation. See our legal disclaimer.

Confidential inquiry

Have a question this guide didn't answer?

Call, email or send a short confidential inquiry. You'll get a straight answer about what's possible, what's lawful and what it would involve.