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Insurance When Buying a Business: What You Need to Know

Article Overview: When acquiring a business, you need to audit the seller’s existing policies, understand coverage gaps, evaluate Extended Reporting Period (ERP) coverage, and secure new policies before the deal closes. Missing this step can leave you personally exposed to claims that predate your ownership.

Buying a business is one of the most significant financial decisions you’ll ever make. Due diligence covers financials, contracts, and operations – but insurance is often the last item on the checklist, despite being one of the most consequential. A gap in coverage during or after the acquisition can expose you to liabilities you didn’t create and costs you didn’t budget for.

What Role Does Insurance Play in a Business Acquisition?

When you acquire a business, you’re not just buying its assets and revenue – you’re inheriting its risk history. Claims related to prior incidents, employee disputes, or product liability can surface months or even years after the transaction closes. Without the right insurance structure in place, those liabilities can become your financial responsibility.

Insurance due diligence serves two core purposes: understanding what coverage currently exists and identifying what needs to change once ownership transfers. Both are equally important.

What Insurance Policies Should You Review Before Closing?

Start by requesting a full schedule of the seller’s current insurance policies. This should include every active policy, its coverage limits, deductibles, expiration dates, and claims history for the past three to five years.

Key policies to request and review:

  • General Liability Insurance – covers third-party bodily injury, property damage, and advertising injuries
  • Commercial Property Insurance – protects physical assets including buildings, equipment, and inventory
  • Workers’ Compensation Insurance – required in most states; covers employee injuries and lost wages
  • Directors & Officers (D&O) Liability – particularly relevant if the business has a board or investors
  • Professional Liability (Errors & Omissions) – critical for service-based businesses
  • Commercial Auto Insurance – if the business owns or operates vehicles
  • Cyber Liability Insurance – increasingly important for any business handling customer data

For each policy, confirm whether it is written on a claims-made or occurrence basis. This distinction directly affects whether ERP coverage will be necessary after the acquisition.

What is the Difference Between Claims-made and Occurrence Policies?

An occurrence policy covers incidents that happen during the policy period, regardless of when the claim is filed. An occurrence-based general liability policy, for example, will still respond to a claim filed two years later, as long as the incident occurred while the policy was active.

A claims-made policy only covers claims filed while the policy is active. Once the policy is cancelled or transferred, coverage ends – even for incidents that occurred during the covered period. This is where Extended Reporting Period coverage becomes critical.

What Is ERP Coverage and Why Does It Matter in Acquisitions?

Extended Reporting Period (ERP) coverage – sometimes called “tail coverage” – extends the reporting window on a claims-made policy after it expires or is cancelled. This means claims can still be filed after the policy period ends, as long as the underlying incident occurred while the original policy was active.

ERP coverage is most commonly associated with professional liability, D&O, and cyber liability policies. When a business is sold, the seller’s claims-made policies are typically cancelled. Without a tail, any claims arising from pre-acquisition incidents may go uncovered entirely.

Who pays for ERP coverage?

This is a negotiation point. In many transactions, the seller is responsible for purchasing tail coverage because the liability originated under their ownership. However, buyers should confirm this in writing before closing. If the seller fails to secure it, the buyer may be left holding the bag.

ERP coverage periods typically range from one to six years. Longer tails offer greater protection but come at a higher premium.

What Risks and Coverage Gaps Should You Look for During an Acquisition?

Beyond reviewing existing policies, a thorough insurance review identifies specific exposures that may need new or enhanced coverage post-acquisition.

Are there coverage gaps related to the transition itself?

The period between signing and closing can create temporary coverage vulnerabilities. If the seller’s policies are cancelled before new policies are bound, any incident during that window may be uninsured. Work with your insurance broker to ensure continuous coverage with no gaps during the transition.

What industry-specific risks need to be addressed?

Different industries carry different exposures. A restaurant acquisition, for example, involves food spoilage risks, liquor liability (if alcohol is served), and equipment breakdown coverage. A technology company may need robust cyber liability and errors & omissions coverage. A professional services firm will likely require strong D&O and professional liability limits.

Diablo Valley Insurance Agency, for example, offers customizable policy options tailored to specific business types – recognizing that a fast-food franchise has fundamentally different needs than a fine-dining establishment or a tech startup.

What additional coverage should buyers consider?

When evaluating a new policy structure after an acquisition, the following coverage additions are worth discussing with your broker:

  • Representations and Warranties (R&W) Insurance – covers losses arising from inaccurate representations made by the seller during the transaction. Increasingly common in mid-market M&A deals.
  • Pollution Liability – relevant if the acquired business has operated on owned or leased property with environmental exposure
  • Employment Practices Liability (EPLI) – covers claims related to wrongful termination, discrimination, or harassment involving employees of the acquired business
  • Business Interruption Insurance – protects against revenue loss if operations are disrupted post-acquisition

How to Approach Insurance When Structuring the Deal

The structure of the deal – asset purchase versus stock purchase – has direct implications for insurance.

In an asset purchase, the buyer generally acquires specific assets and liabilities, which can limit exposure to historical claims. In a stock purchase, the buyer takes on the entire legal entity, including its full claims history and any unresolved liabilities. Stock purchases make tail coverage and thorough policy review even more critical.

Bring an experienced commercial insurance broker into the acquisition process early – ideally at the same time as your attorney and accountant. Their job is not only to identify gaps but to help you structure coverage that reflects the actual risk profile of the business you’re acquiring.

Make Insurance Part of Your Due Diligence from Day One

Insurance gaps in a business acquisition are rarely obvious – until a claim arrives. By auditing existing policies, understanding claims-made versus occurrence distinctions, securing ERP coverage where needed, and addressing industry-specific risks, buyers can protect themselves from liabilities they didn’t create.

The right coverage structure doesn’t just manage risk – it protects the investment you’ve worked hard to build. Talk to Brandon Patterson (brandon@ownbyinsurance.com) and our team before your next acquisition closes to ensure you know your insurance standing from the moment ownership transfers.