The short version
- Professional liability is the policy that matters. A client who says your recommendation, deliverable, or missed deadline cost them money is making a professional liability claim. General liability and business owners policies exclude it.
- The contract sets the requirement. We found no general state license for business or management consultants in Washington or Idaho. Client master services agreements commonly require professional liability, general liability, and increasingly cyber, at stated limits.
- It is claims-made. Coverage depends on having a policy in force when the claim is made, with a retroactive date that reaches back to the work. Gaps between policies can leave past projects uninsured.
- Indemnity clauses can outrun your policy. Professional liability usually excludes liability you assume by contract beyond what the law would impose.
- If you touch client data or systems, add cyber. A breach of a client's data that you held is a cyber claim; IT and technology consultants usually need technology errors and omissions combined with cyber.
What a client claim against a consultant looks like
| Claim | Example | Policy |
|---|
| Negligent advice | A recommended pricing or restructuring plan loses the client money | Professional liability |
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| Failure to deliver | A project runs late and the client loses a contract or launch window | Professional liability |
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| Errors in work product | A financial model, report, or HR policy contains a costly mistake | Professional liability |
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| Breach of confidentiality | Client information you held is exposed | Cyber, possibly professional liability |
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| Bodily injury at a client site | A visitor trips over your equipment in the client's office | General liability |
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| Employment claim | A former employee or contractor alleges discrimination | Employment practices liability |
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What client contracts usually require
| Requirement | What it means | What to check |
|---|
| Professional liability, often $1 million per claim | Coverage for claims about your services | Per-claim and aggregate limits both meet it |
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| General liability, often $1 million per occurrence | Premises and bodily injury coverage | Additional insured endorsement if requested |
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| Cyber or network security and privacy liability | Required more often when you access client data or systems | See contract requirements for cyber |
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| Coverage for years after the work ends | Claims-made coverage must continue | Keep the same retroactive date, or buy an extended reporting period |
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| Additional insured on professional liability | Often unavailable on professional liability | Negotiate it to general liability only |
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| Broad indemnity | You agree to cover the client's losses | Cap it at fees or insurance limits |
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Claims-made: the details that decide coverage
| Term | Why it matters for consultants |
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| Retroactive date | Work done before this date is not covered. Keep it when you switch insurers. |
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| Extended reporting period (tail) | If you stop consulting or join a firm, a tail covers claims made later about past projects |
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| Defense inside the limit | Most policies erode the limit with defense costs; a $1 million policy may pay less in settlement after a long defense |
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| Prior acts and known circumstances | Disclose any client dispute you know about before buying a new policy |
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| Description of services | The policy covers the professional services it describes; a consultant who expands into new services should update it |
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The coverage program by type of consultant
| Consultant | Core coverage |
|---|
| Management, strategy, and operations | Professional liability, general liability |
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| HR and recruiting | Professional liability that addresses employment advice; check for exclusions of employment practices claims against clients |
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| Marketing and creative | Professional liability with media liability for copyright and content claims |
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| Financial and accounting advisory | Professional liability, and cyber for client financial data |
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| IT and technology | Technology errors and omissions combined with cyber; see cyber vs tech E&O |
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| Consultants with an office and staff | Add a business owners policy, workers comp, and employment practices |
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Where consultants get caught
| Gap | What happens |
|---|
| Relying on general liability | The client's financial loss claim is excluded |
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| Letting coverage lapse between contracts | A claim made during the gap about past work is uninsured |
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| A new retroactive date at switch | Projects before the new date are not covered |
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| Signing a broad indemnity | You are liable beyond what the policy will pay |
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| Services outside the policy description | A consultant who adds IT or financial advice may not be covered for it |
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| No cyber while holding client data | A breach of client files is not a professional liability claim under many forms |
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For how one agency and one architecture firm structured their coverage, see the marketing agency story and the architecture firm story.
Sources
This page is general information. Coverage depends on the wording of the policy issued and the contracts you sign. Reviewed October 2026.