Overview
General contractors routinely face retained risk when they cannot transfer responsibility for loss to another party. Retained risk includes known amounts you expect to pay, such as policy deductibles, and unidentified amounts, such as losses that exceed policy limits.
Subcontractor negligence is a common source of unidentified retention because the size and scope of potential loss can be hard to predict. Taking clear, consistent steps in contracts, insurance requirements, and ongoing oversight reduces exposure and helps protect your bottom line.
Key takeaways
- Identify both known and unidentified retentions so your business can plan for cost and coverage gaps.
- Require subcontractors to carry adequate primary liability insurance and verify coverage regularly.
- Use contract language—insurance requirements, primary wording, and indemnity clauses—to shift appropriate responsibility.
- Maintain a documented process for certificate review and for escalating coverage shortfalls before they become claims.
How it works
Retained risk is any portion of a loss you remain responsible for after transfers such as insurance or contractual shifts. Known retentions are predictable (for example, a deductible); unidentified retentions are variable and harder to budget for.
To reduce unidentified retentions from subcontractors, require proof of coverage, spell out minimum limits, and make subcontractor coverage primary where allowed. For more detail about contract and insurance alignment, see Understanding Risk Management in Construction.
What it may cover (and what it may not)
Primary subcontractor general liability typically covers bodily injury and property damage arising from the subcontractor’s work, which helps protect the contractor when the subcontractor is at fault. However, coverage limits, exclusions, and aggregate limits can leave gaps.
Examples of gaps include work completed operations after project turnover, policy exclusions for certain activities, or losses that exceed limits. For broader perspectives on liability allocation and primary vs. excess coverages, consult Risk Management and Liability in Business.
Common mistakes to avoid
- Failing to set a minimum acceptable policy limit tied to the project size and exposure.
- Not specifying that the subcontractor’s insurance is primary and your policy is excess.
- Accepting expired certificates of insurance without verifying current coverage status.
- Overrelying on indemnity language without confirming it is enforceable in the project’s jurisdiction.
- Neglecting to have contracts reviewed periodically by a professional experienced with construction insurance programs.
Questions to ask an agent
- What minimum limits should I require from subcontractors for this specific project?
- Is the subcontractor’s general liability policy acceptable as primary coverage for losses arising from their work?
- How will my policy respond if a subcontractor’s limits are exhausted or their policy excludes a type of loss?
- Can you review subcontractor indemnity language to confirm it is appropriate and enforceable in my jurisdiction?
Next steps
Update subcontractor agreements to specify minimum limits, primary coverage obligations, and certificate frequency for compliance checks. Establish a simple tracking schedule to request and archive certificates before work begins and at regular intervals during the project.
For contract drafting and coverage alignment specific to contractor operations, review material on Risk Management for Contractors, then talk to an agent to compare options and tailor requirements to your projects.
Frequently Asked Questions
What is the difference between a known and an unidentified risk retention?
Known retention is a predetermined amount you expect to pay (like a deductible); unidentified retention is unpredictable exposure, such as losses exceeding policy limits.
Can I require subcontractors to name me as an additional insured?
Yes—many contracts require subcontractors to add the contractor as an additional insured, which helps extend subcontractor coverage to protect the contractor for claims arising from the subcontractor’s work.
How often should I check subcontractors’ certificates of insurance?
Verify certificates before work begins and at periodic intervals during the project; frequency depends on project length and risk, but quarterly checks are common for longer projects.
Is an indemnity clause always enforceable?
Not always—enforceability varies by jurisdiction and wording, so have indemnity language reviewed by counsel and confirm it aligns with local law.