You just won a bid on a commercial framing job. The general contractor sends you a subcontractor agreement. Buried in Section 7 (Insurance Requirements) is a half-page of legal language about policies, endorsements, limits, and certificates.
The GC's compliance desk emails: "We need your insurance certificates before you can mobilize. Additional insured, waiver of subrogation, primary and noncontributory. $1M/$2M GL, $1M auto, workers' comp per Texas statute."
You forward it to your broker and wait. Three days later, your broker sends a certificate. You submit it. The GC rejects it — missing endorsements, wrong limits, expired workers' comp. You lose a week of the schedule and the GC threatens to find another sub.
This is preventable. GC insurance requirements follow predictable patterns. If you know what they need, you can have compliant certificates ready before the contract is even signed.
Why GCs Gate Site Access on Insurance
General contractors are contractually responsible for everything that happens on their jobsite, whether they did the work or not. If your framing crew injures a third party, the GC gets sued. If your equipment damages someone else's property, the GC gets sued. If your employee falls and files a workers' comp claim against the GC (even though they work for you), the GC gets sued.
The GC's insurance policy includes a standard exclusion: work performed by uninsured or underinsured subcontractors. If you're on site without adequate coverage and a claim happens, the GC's carrier may deny the claim. The GC is left paying out of pocket or fighting the sub for contribution.
To avoid this, GCs require two things: 1. Proof that you're insured (the certificate) 2. Contractual transfer of risk (additional insured, waiver of subrogation, and primary/noncontributory endorsements)
If you can't produce both, you don't work.
The Standard Requirement Stack
Here's what most Texas general contractors require from subcontractors. Exact limits vary by project size and risk, but the structure is consistent.
1. General Liability Insurance
Minimum limits (standard): - $1,000,000 per occurrence - $2,000,000 general aggregate - $2,000,000 products and completed operations aggregate
Some GCs on larger projects require $2M per occurrence or umbrella coverage pushing the total to $5M+.
Required endorsements: - Additional insured status for the GC (and often the project owner) covering both ongoing and completed operations - Primary and noncontributory wording (your policy pays first, before the GC's) - Waiver of subrogation in favor of the GC and owner - Notice of cancellation to the GC (30 days for cancellation, 10 days for nonpayment)
2. Commercial Auto Liability
Minimum limits: - $1,000,000 combined single limit per accident
Coverage scope: Must cover any auto used in connection with the work. This includes: - Owned vehicles (trucks, trailers, equipment haulers) - Hired vehicles (rentals) - Non-owned vehicles (employee-owned trucks used for work)
If your contract requires auto coverage and your policy only covers "scheduled autos" (specific VINs listed), you'll need to either add "any auto" coverage or ensure every vehicle you'll use on the project is scheduled.
Required endorsements: - Additional insured status for the GC - Waiver of subrogation in favor of the GC - Primary and noncontributory (if required — not all GCs ask for this on auto)
3. Workers' Compensation
Texas-specific requirement: Coverage must meet Texas Labor Code Chapter 401 requirements (if you're a subscriber) or provide proof of non-subscriber status and alternative coverage (if you're a non-subscriber).
Texas is the only state where private employers can opt out of workers' compensation. This creates a compliance wrinkle:
If you're a workers' comp subscriber:
Required coverage: - Statutory limits per Texas Workers' Compensation Act - Employer's Liability (Part B) limits of at least $500,000 / $500,000 / $500,000 (per accident / disease per employee / disease policy limit)
Many GCs require $1,000,000 EL limits for high-hazard trades (roofing, framing, steel erection).
Required endorsements: - Waiver of subrogation in favor of the GC and owner - Coverage in Texas (verified via the "Statute" field on the certificate showing "TX")
If you're a Texas non-subscriber:
You're not legally required to carry workers' comp. But most GC contracts require it anyway, or they require you to carry an Occupational Accident (OA) policy as an alternative.
OA policies are not the same as workers' comp: - They're not statutory coverage — they're voluntary injury plans - They may have exclusions and limits WC doesn't - They don't protect the GC from lawsuits by your injured employees (WC does, via the exclusive remedy doctrine)
Some GCs won't allow non-subscribers on site at all. Others require: - Proof of non-subscriber status (a letter from your carrier or Texas DWC) - An OA policy with limits matching WC requirements - A waiver of claims against the GC
Before you bid as a non-subscriber, confirm the GC's contract allows it. If it doesn't, you'll need to either subscribe to WC or walk.
4. Umbrella / Excess Liability (project-dependent)
Large projects ($5M+), high-hazard work (steel erection, crane work, high-rise), or projects with strict owner requirements often require umbrella coverage.
Typical requirement: - $1M to $5M per occurrence and aggregate, following form over the underlying GL and auto policies
Required endorsements: - Additional insured status for the GC and owner - Waiver of subrogation
Not every subcontract will require umbrella. If yours does, the required limits will be spelled out in the insurance requirements section.
5. Builder's Risk or Installation Floater (rare for subs)
Most GC contracts make the owner or GC responsible for purchasing builder's risk (property insurance covering the project during construction). Subs usually don't need it.
Exception: If you're installing expensive materials or equipment (HVAC systems, electrical gear, custom millwork) that you own until final acceptance, the contract may require you to insure them via an installation floater or contractor's equipment policy.
Ask your broker whether your GL policy's "installation coverage" is sufficient or whether you need separate property coverage.
What Happens When a Sub's Certificate Lapses Mid-Project
You mobilized to the job three months ago. Your GL policy renews in April. You forget to send an updated certificate to the GC. In May, the GC's compliance software flags your expired cert. They email: "Your insurance lapsed. Stop work immediately. You can't return to site until we receive proof of active coverage."
You scramble. Your broker sends a renewal certificate that day. But you've lost two days of the schedule, the GC is irritated, and your crew sat idle.
On larger projects, the consequences are worse: - Payment holds: Some contracts allow the GC to withhold progress payments until compliant insurance is restored. - Contract termination: Repeated lapses or failure to cure within the specified timeframe (often 24-48 hours) can be grounds for termination for cause. - Backcharges: If the GC has to bring in another sub to cover your scope while you're off-site, they may backcharge you for the cost.
Prevention is simple: Set a calendar reminder 30 days before every policy renewal. Request updated certificates from your broker before the old ones expire. Send them to every GC you're working for proactively — don't wait for them to ask.
Better: use a broker who automatically generates and sends renewal certificates to all your certificate holders when your policies renew.
How AI-Checked Certificates Are Changing GC Compliance Desks
Five years ago, a GC's compliance desk was a person with a spreadsheet. They'd receive certificates, manually check limits and expiration dates, and file them. Lapses happened because someone forgot to review the tracker.
Now, most mid-size and large GCs use certificate tracking software (myCOI, Certificial, ISNetworld, and similar platforms). These systems: - Ingest certificates automatically via email - Parse limits, dates, and endorsements using OCR - Flag non-compliance (missing endorsements, insufficient limits, expired coverage) - Send automated renewal requests to subs 60/30/10 days before expiration - Block site access for subs with non-compliant or expired certificates
This is faster and more reliable than manual tracking. It also means mistakes that used to slip through don't anymore. If your certificate says "additional insured per contract" but the system can't find the endorsement form attached, it gets flagged as non-compliant.
What this means for subs: - Certificates need to be right the first time. Vague or incomplete language in the Description of Operations box won't pass automated checks. - Endorsement forms need to be attached or specifically referenced (form number + effective date). - Renewal certificates must be submitted before the old ones expire — the software won't give you grace periods.
The Sub's Survival Guide: How to Stay Compliant
1. Read the insurance requirements section before you sign
Most subs skim the contract, sign it, then discover they don't have the required coverage. Read Section 7 (or whatever the insurance clause is labeled) carefully. Note: - Required policy types and limits - Required endorsements (AI, waiver, P&NC) - Whether the contract allows non-subscriber status (if you're a Texas non-subscriber) - Certificate submission deadlines (often "prior to commencing work" or "within 10 days of contract execution")
If you don't have the required coverage, factor the cost into your bid or ask the GC if they'll accept lower limits.
2. Know what endorsements are already on your policies
Before you bid, confirm with your broker: - Do I have blanket additional insured coverage? (If yes, which form: CG 20 33, CG 20 10 + CG 20 37, or something else?) - Does my blanket AI endorsement include primary and noncontributory wording? - Do I have blanket waiver of subrogation on GL, auto, and WC? - What are my actual limits on each policy?
If you have blanket coverage, issuing compliant certificates is fast — it's already on the policy. If you need scheduled endorsements for each GC, factor in the time and potential underwriting approval.
3. Request certificates as soon as the contract is signed
Don't wait until mobilization day. Request the certificate the same day you sign the subcontract. If there's a problem (missing endorsement, wrong limits, expired policy), you have time to fix it before the GC expects you on site.
Give your broker: - The GC's legal entity name (exactly as written in the contract) - The GC's mailing address (for the certificate holder box) - Project name and address (for the Description of Operations box) - All required endorsements (list them explicitly: "AI for ongoing and completed ops, waiver of sub on GL/auto/WC, primary and noncontributory") - Whether the owner also needs to be named as additional insured (many contracts require this)
4. Track your own expirations
Don't rely on the GC's system to remind you. Set calendar alerts for 30 days before each policy renewal. Request updated certificates and send them to every active GC before the old ones expire.
If you're working on 5+ projects simultaneously, maintain a spreadsheet: - GC name - Project - Certificate issue date - Policy expiration dates (GL, auto, WC, umbrella) - Renewal certificate sent (date)
This takes 10 minutes to set up and saves hours of fire-drill certificate requests later.
5. If a GC rejects your certificate, ask why specifically
"Non-compliant" is not actionable feedback. Ask: - Which requirement isn't met? (limits, endorsement, expiration date, entity name mismatch?) - What do they need to see to approve it? (endorsement form attached, higher limits, corrected holder name?)
Forward the GC's specific feedback to your broker. "They rejected it" doesn't tell your broker what to fix. "They need to see the CG 20 33 form attached" does.
6. Use a broker who understands construction insurance
If your broker takes three days to issue a certificate or doesn't understand what "primary and noncontributory" means, you're using the wrong broker.
Construction subs need brokers who: - Can issue certificates same-day (ideally within hours) - Know the standard GC endorsement stack without having to Google it - Proactively send renewal certificates before you ask - Can explain whether your policy structure will satisfy unusual contract requirements
The broker is not a commodity vendor. The right broker prevents compliance problems. The wrong broker creates them.
What to Ask Your Broker
Before you bid on a project with insurance requirements:
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Do my current policies meet the requirements in this contract? Send the broker the insurance section from the subcontract. Let them confirm limits and endorsements.
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If I need to increase limits or add coverage, what's the cost and timeline? Mid-term endorsements usually cost extra. Know the number before you bid.
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Can you issue the required certificate within 24 hours of contract signing? If the answer is "we'll try," find a faster broker.
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Do you track my certificate holders and send renewal certs automatically? If not, you're managing renewals manually — which means you'll forget one eventually.
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If the GC rejects the certificate, will you work directly with their compliance desk to fix it? Some brokers will call the GC's system provider and resolve the issue. Others punt it back to you. Know which kind you have.
Texas Non-Subscriber Considerations
If you're a Texas non-subscriber (not carrying workers' comp), your compliance burden is higher.
What to expect: - Some GCs won't contract with non-subscribers at all (especially large commercial and institutional projects). - Those that do will require proof of non-subscriber status (a letter from TDI or your carrier stating you're not required to carry WC). - Many will require you to carry an Occupational Accident policy with limits matching statutory WC requirements ($500K-$1M employer's liability). - The contract may require you to indemnify the GC for any claims by your employees — a risk WC would ordinarily insulate you from.
Before you bid as a non-subscriber, confirm: 1. The contract allows non-subscriber status (many explicitly require WC) 2. You have OA coverage if required 3. You're comfortable with the indemnity exposure (your employees can sue the GC, and the GC will sue you for contribution)
If the GC's contract is silent on non-subscribers, ask before you sign. "I'm a Texas non-subscriber. Does your contract allow that, or do I need to subscribe to WC for this project?"
How Tenet Handles Subcontractor Compliance
We work with subs who live in the compliance-certificate cycle. Speed matters. Accuracy matters. We issue Certificates of Insurance on a published 15-minute SLA — around the clock, including the Friday-afternoon request before a Monday mobilization.
Our workflow for new subcontracts: 1. You send us the insurance requirements section from the GC's contract (or the whole contract — we'll find it). 2. We confirm your policies meet the requirements. If they don't, we quote the fix (higher limits, umbrella, additional endorsements). 3. We generate compliant certificates with all required endorsements clearly stated. 4. We track the certificate in our system and send you (and the GC) updated certificates automatically when your policies renew.
You're not chasing us for certificates. You're not wondering if the endorsement is actually on the policy. You're not losing days waiting for a piece of paper.
Start an application or read our guide on Additional Insured vs. Certificate Holder to understand what the GC is actually asking for when they say "additional insured."