Contractor Insurance You Can Trust
Subcontractor Workers Comp Requirements
Using subs without coverage can make their injuries your problem — and your audit bill. Here’s how to protect your business from subcontractor workers comp exposure.
- ✓Uninsured subs can be charged to your workers comp at audit
- ✓Always collect COIs before work starts, not after
- ✓1099 status doesn’t eliminate your liability in many states
- ✓Require subs to name you on their policy when required by contract
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✓ Same-Day COI
✓ Licensed All 50 States
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Why Subcontractor Coverage Matters to GCs
When you hire a subcontractor, you take on a residual liability exposure for their workers comp status. If a sub you hired is injured and they don’t have their own workers comp, several things can happen — none of them good for you.
First, the injured sub may file a claim under your policy if your state allows it. Second, your carrier may include the sub’s labor cost in your payroll at audit and charge you workers comp premium retroactively. Third, in some states, the injured sub can file a civil lawsuit against you as the general contractor.
The simplest protection is a certificate of insurance from every sub showing active workers comp coverage before they start work. Not a promise of a certificate — an actual COI with coverage dates that span the work period.
The Audit Exposure from Uninsured Subs
At annual audit, your carrier reviews all 1099 payments made to subcontractors. For each sub who cannot provide a valid certificate of insurance showing workers comp coverage, the carrier typically treats that sub’s labor cost as your payroll and charges workers comp premium accordingly.
This is called the uninsured subcontractor clause. It’s standard in most workers comp policies. The audit charge is calculated at the class code rate appropriate for the type of work performed — which is often a high-rate code if the work was construction or trade work.
On a $200,000 sub payment at a $5.00 rate, that’s a $10,000 audit charge that you could have avoided by collecting a certificate before the work started. The math makes certificate collection non-negotiable for any contractor who uses subs regularly.
Building a Certificate Management System
The most reliable way to stay protected is a simple certificate management process. Before any sub starts work, require them to have their agent send a COI directly to you. Check that coverage dates include the work period, the carrier is listed, and workers comp is specifically shown on the certificate.
Keep a spreadsheet or folder organized by sub with their COI on file and expiration date noted. Set a calendar reminder 30 days before expiration to request renewal. A sub whose coverage lapses mid-project is a liability — know when it’s about to happen.
Some GCs and large contractors use certificate tracking software that automates the collection and expiration notifications. For smaller operations, a simple spreadsheet maintained by your office manager achieves the same result.
When Subs Should Have Their Own Policy vs. Being Covered Under Yours
In general, every sub you use should have their own workers comp policy and provide you with a certificate. This is the cleanest arrangement — their workers are their responsibility.
In some arrangements — such as labor-only subs or daily hired workers who function essentially as your employees — you may need to include them in your own policy payroll rather than treating them as independent subs. The test is control: if you direct when, where, and how they work, they’re likely employees regardless of how you classify them.
If you’re unsure about a worker’s status, ask your agent before putting them to work. A misclassification that surfaces after an injury is far more expensive than clarifying the status upfront.
Contractual Requirements for Subs
Your subcontractor agreements should include a clause requiring the sub to maintain workers comp coverage throughout the project, and to provide you with a certificate of insurance naming you (or your company) as the certificate holder. This gives you standing to receive notice if the policy is cancelled.
For larger projects, you may also want to require the sub to name you as an additional insured on their general liability — but that’s a GL requirement, not a workers comp one. Workers comp doesn’t have additional insured endorsements in the same way.
Include an indemnification clause that requires the sub to hold you harmless for any workers comp claims arising from their workers. This doesn’t eliminate your exposure if they’re uninsured, but it gives you a contractual claim against them for reimbursement.
Why Contractors Use Trade Safe Insurance
Independent Agency
We compare dozens of carriers to find the best rate and form for your trade, payroll, and claims history.
Same-Day COI
Certificates issued the same day — often within the hour — so no job site delays waiting for paperwork.
Hard-to-Place Welcome
High EMR, prior claims, or specialty trades? We work in non-admitted markets where others stop.
20+ Years Experience
Decades of placing contractor workers comp means we know the class codes, carriers, and audit traps to avoid.
Frequently Asked Questions
What happens if a subcontractor gets hurt and has no workers comp? +
Depending on the state, the sub may file a claim under your policy, your carrier may charge you for their labor at audit, or the sub may sue you directly.
Am I required to verify subcontractor workers comp? +
Not legally in most states, but your workers comp policy’s audit clause will charge you for uninsured sub labor. Verification protects your audit costs.
Can a 1099 subcontractor sue me for a work injury? +
Yes, in some states and circumstances. The 1099 designation doesn’t automatically prevent a lawsuit if the sub was functionally working as an employee.
Do I need to be on my subcontractor’s workers comp policy? +
No. Unlike general liability, workers comp doesn’t have additional insured endorsements. You only need to verify they have their own valid policy.
How do I prove a sub had their own workers comp at audit? +
Provide the auditor with the COI you collected before work started. The certificate must show coverage dates that include the work period.
What if a sub’s workers comp lapsed mid-project? +
You’re exposed for the uncovered period. Collect renewal certificates proactively and stop work if coverage lapses until it’s reinstated.
Don’t Let an Uninsured Sub Become Your Problem
We help you structure your coverage correctly for sub-heavy operations and show you exactly what certificates to collect before anyone starts work.