Can a subcontractor's workers' comp claim affect my EMR as a general contractor?

In most cases, a sub's worker's comp claim flows through the sub's policy and the sub's experience rating, not yours. But this default can change under several conditions: blanket additional insured provisions that create co-employer relationships, wrap or owner-controlled insurance programs where the GC's policy covers subs, or situations where a sub carried no WC coverage and state law assigns liability upward to the hiring contractor. An audit can identify whether any of these situations appear in your current worksheet.

Why do fatal falls concentrate in specialty trade contractors?

Specialty trade contractors, classified under NAICS 238, include roofing, framing, electrical, HVAC, and concrete formwork contractors. These trades put workers at height more consistently than general contractors, who typically manage and coordinate rather than perform the highest-risk physical work themselves. The resource gap also matters: smaller specialty trade subs are less likely to have dedicated safety personnel, regular fall protection audits, or systematic equipment inspection programs.

What is a wrap policy and how does it interact with my workers' comp mod?

A wrap policy, also called an OCIP (Owner-Controlled Insurance Program) or CCIP (Contractor-Controlled Insurance Program), is a single WC policy covering multiple employers on a project. When a GC purchases a wrap, the sub's workers are covered under the GC's program, and claims flow through that program. If the GC's NCCI experience rating picks up payroll from wrap-covered projects, the associated claims may also appear on the GC's worksheet rather than the sub's.

What happens to a subcontractor's workers' comp claim if the sub had no coverage?

State law varies, but most NCCI-administered states have statutory provisions that assign workers' comp liability to the general contractor when a subcontractor fails to carry required coverage. This is sometimes called the 'principal contractor' rule. In that scenario, the GC becomes responsible for the claim, which can then flow onto the GC's experience rating worksheet. Verifying certificate validity before work begins, not just collecting certificates, is how this risk is managed.

Field ReportMay 4, 2026 · 4 min read

Where Fatal Construction Falls Actually Happen: The Sub Problem

68.9% of fatal construction falls happen at specialty trade subs. That's where exposure concentrates, and where sub management intersects with your experience rating in ways most contractors don't track.

By TraciThe Orson Group

Field Report

68.9%

Fatal construction falls occurring at specialty trade contractors, 2022

BLS CFOI, 2022

At a glance

Bureau of Labor Statistics data shows that 68.9% of fatal construction falls, 284 of 412 recorded deaths in 2022, occurred at specialty trade contractors (NAICS 238), not general contractors (BLS CFOI, 2022). Workers employed by subcontractors are 2.7 times more likely to die from a fall than those employed directly by general contractors. For GCs, sub selection, coverage structure, and certificate verification are where this risk intersects with the experience mod.

Most fatal falls in construction don't happen on the general contractor's payroll. They happen on the sub's.

Bureau of Labor Statistics data from the Census of Fatal Occupational Injuries shows that 68.9% of fatal construction falls, 284 of the 412 recorded deaths in 2022, occurred at specialty trade contractors (NAICS 238). Workers employed by subcontractors are 2.7 times more likely to die from a fall compared to those employed directly by general contractors (BLS CFOI, 2022). Overall fatal falls in construction fell to 370 deaths in 2024, down from 400 in 2023, but the concentration in specialty trades has remained consistent across years.

For contractors thinking about their Experience Modification Rate (EMR), this data has a direct operational implication. The subs working on your project are the largest variable in your overall exposure. What happens to them can end up on your worksheet, depending on how your coverage is structured.

Why specialty trades carry the concentration

Specialty trade contractors dominate fatal falls for a straightforward reason: they do the most fall-exposed work. Roofing, framing, electrical, HVAC, plumbing, concrete formwork. These trades put workers at height, on scaffolding, on roofs, and in excavations. General contractors, by definition, manage projects and coordinate trades but often don't put their own employees into the highest fall-hazard activities.

The 2.7x mortality ratio reflects more than just exposure. It also reflects the resource gap. A mid-size specialty trade sub with 15 employees is less likely to have a dedicated safety director, less likely to have regular fall protection training audits, and less likely to have fall arrest equipment inspected on a systematic schedule than a larger general contractor managing the same project.

How sub fatalities can affect your worksheet

The default WC rule is simple: a worker's comp claim flows through the employer's policy. If a sub's worker falls, it goes on the sub's experience rating, not the GC's. The GC isn't the employer.

But that default breaks down in several situations common in Southeast construction.

First: blanket additional insured and co-employer provisions. Some master subcontract agreements create joint employment relationships, or at least coverage obligations, that can pull a sub's claim onto the GC's program in specific circumstances. This varies by state and contract language.

Second: wrap policies and owner-controlled insurance programs (OCIPs). On projects where the GC or owner provides a wrap policy covering subs, the claims flow under that single program. If the GC's NCCI experience rating picks up payroll from those projects, it may also pick up the associated claims. The worksheet may not make this obvious.

Third: certificate fraud. A sub presents a certificate of insurance showing WC coverage that doesn't exist, or that has lapsed. A fatality on that sub's crew creates a claim that has nowhere to go in the sub's policy. Some states have statutory mechanisms that assign the liability upward to the GC when the sub had no coverage.

What the sub's EMR signals about GC exposure

In our reviews of Southeast contractor worksheets, the most consistent pattern we see in GC accounts with elevated mods is a claim tied to a subcontractor relationship that wasn't fully documented. Either the sub's coverage wasn't verified, the payroll classification on a wrap policy was wrong, or a joint-employer argument created claim exposure the GC didn't see coming.

The 68.9% concentration of fatal falls at specialty trades isn't just a statistic about who's most likely to get hurt. It identifies where the highest-cost, hardest-to-close WC claims originate. A fatal fall generates a death benefit claim with potentially years of ongoing payment obligations. An injury from a fall at height can generate years of medical and indemnity costs for spinal or head injuries. Both sit in the experience window for multiple renewal cycles.

What an audit would check

An audit reviews whether claims on a GC's experience rating worksheet originated from the GC's own employees or from a sub relationship that created coverage overlap. It examines wrap policy enrollment data against the classifications on the worksheet to verify that sub payrolls weren't inadvertently included in the GC's experience base. It also checks subcontractor certificate files against claims during the same period: if a sub had a claim and the certificate shows lapsed coverage, the exposure question is whether the GC's program absorbed it. In the BLS data, the fall risk concentrates in specialty trades. In the experience rating worksheet, it concentrates wherever the coverage boundaries weren't drawn clearly.

If you regularly work with specialty trade subs and your mod has moved in the last few years, send us your NCCI worksheet and we'll review whether the claims on your worksheet originated where you think they did.