Can I check whether a business has ever been the subject of a regulatory investigation?

It depends on the regulator and whether the investigation became public. Some regulatory proceedings, particularly ones that resulted in a public enforcement order, licence suspension, or published decision, are searchable through the relevant regulator's public records or decision database. Others, especially investigations that were ongoing, resolved informally, or never escalated to a formal public proceeding, may not be discoverable through any public search at all, which is a genuine limit rather than something a more thorough search can fully overcome.

Because public records can only tell part of the story, direct disclosure matters more here than in many other due diligence areas. Ask the seller specifically and in writing whether the business has ever been investigated, warned, or subject to enforcement action by any regulator relevant to its industry, and get a representation and warranty to that effect in the purchase agreement, backed by an indemnity, rather than relying solely on what a public search happens to surface.

Combine a targeted search of the relevant regulator's public records with direct, specific questions to the seller, and treat any inconsistency between the two as a serious signal. A Treadstone business lawyer can help identify which regulators are relevant to your specific business and draft appropriate representations.