General liability insurance is a commercial policy that pays third-party claims your business becomes legally obligated to pay for bodily injury, property damage, and personal and advertising injury, plus the cost of defending those claims. Most policies follow the industry-standard ISO Commercial General Liability (CGL) form, which splits coverage into three parts: Coverage A (bodily injury and property damage), Coverage B (personal and advertising injury), and Coverage C (medical payments). It is the base layer of nearly every commercial program, and the policy buyers most often assume covers more than it does.
What general liability actually covers
The CGL is the standard policy protecting businesses against liability claims for bodily injury and property damage and related exposures. ISO introduced the modern form in 1986.
Coverage A: bodily injury and property damage
The Coverage A insuring agreement is the insurer's promise to pay damages when an insured is legally liable for bodily injury or property damage, plus a separate duty to defend suits. Two conditions must both be met: the harm must be caused by an occurrence within the coverage territory, and it must take place during the policy period. Coverage A is where most CGL claims and coverage disputes land.
It divides into two buckets the Texas Department of Insurance calls premises/operations (harm at your location or from work in progress) and products/completed operations (harm from your product, or from work you already finished, away from your premises). TDI also warns that some insurers write defense costs inside the limit rather than in addition to it — a materially smaller policy.
Coverage B: personal and advertising injury
Coverage B responds to a defined list of offenses rather than accidents. Per the Insurance Information Institute, those include libel, slander, false arrest, infringing another's copyright, malicious prosecution, use of another's advertising idea, and wrongful eviction, entry, or invasion of privacy. It carries its own exclusions, including for a knowing violation of another's rights and for publishing material known to be false.
Coverage C: medical payments
Coverage C is a small no-fault benefit paying reasonable medical, surgical, ambulance, hospital, nursing, and funeral expenses for someone injured on your premises without any finding of negligence — settling minor injuries before they become lawsuits, which is why the limit is deliberately small.
Occurrence vs. claims-made
An occurrence policy covers claims arising from injury or damage that took place during the policy period, whenever the claim is made. A claims-made policy triggers when the claim is first made against you, provided the damage occurred after the retroactive date.
Most CGL is written on an occurrence form, and virtually all contracts requiring insurance specify occurrence-based GL. The reason is practical: defect and product claims often surface years later. An occurrence policy from the year of the work still responds even if you changed carriers since; a cancelled claims-made policy does not, unless tail coverage was bought. TDI notes claims-made buyers need prior acts ("nose") coverage for earlier incidents or run-off ("tail") coverage for claims made after expiration.
The limit that quietly runs out
Several interlocking limits sit on the declarations page, and IRMI's analysis explains how they drain into one another.
| Limit | What it caps | How it erodes |
|---|---|---|
| General aggregate | Total for Coverage A (other than products-completed operations), B, and C for the policy period | Once exhausted, no further obligation for those claims that term |
| Products-completed operations aggregate | Harm within the products-completed operations hazard | Independent; does not reduce the general aggregate, or vice versa |
| Each occurrence | All Coverage A damages and C expenses from one occurrence | Refills each occurrence, but draws down the applicable aggregate |
| Personal and advertising injury | Applies separately per person or organization | Reduces only the general aggregate |
| Damage to premises rented to you | Damage to premises you rent | Sublimit of each occurrence; also reduces the general aggregate |
| Medical expense | Applies separately per person | Sublimit of each occurrence; also reduces the general aggregate |
The per-occurrence limit is the number every contract quotes. The aggregate is the number that actually fails. For illustration only: a policy showing $1,000,000 each occurrence and $2,000,000 general aggregate does not give you $1 million of protection all year. It gives you $2 million total, and four $500,000 settlements exhaust it by month nine. Everything after that is yours. The products-completed operations aggregate is separate, and for contractors and manufacturers it is often the more important of the two.
What general liability does not cover
This is where buyers get hurt.
| Not covered | Why | Where it actually lives |
|---|---|---|
| Employee injuries | Workers comp / employers liability exclusions | Workers' compensation |
| Autos you own, rent, or borrow | Auto exclusion | Commercial auto (all coverages) |
| Professional advice or design | Professional services exclusion | Professional liability / E&O |
| Your own defective work or product | "Your work" / "your product" exclusions | Warranty or specialty forms, not GL |
| Your own building and equipment | Owned-property exclusions | Commercial property |
| Property of others in your custody | Care, custody, or control exclusion | Bailee forms; garagekeepers for vehicles |
| Pollution | Pollution exclusion | Environmental liability |
| Data breach and cyber loss | Electronic data is not tangible property | Cyber insurance |
| Wrongful termination, discrimination | Employment-related practices exclusion | Employment practices liability |
| Liquor liability | Liquor exclusion, absent endorsement | Liquor liability; see our restaurant guide |
| Product recall costs | Recall exclusion | Product recall policy |
| Intentional or expected injury | Expected or intended injury exclusion | Nothing; uninsurable by design |
TDI's summary confirms the core of this list. Three items deserve a closer look.
The "your work" trap
The CGL excludes property damage to "your work" when the damage arises out of that work and falls within the products-completed operations hazard, and "your work" includes work performed on your behalf by a subcontractor. A separate exclusion removes the cost of restoring or replacing work incorrectly performed, though it does not apply to damage within that hazard.
Translated: GL is not a warranty on your workmanship. It may respond when your defective work damages other property; it is not designed to pay to redo the bad work itself. Nor is it professional liability, unless you performed design services. Outcomes turn on the form, the endorsements, and your state's case law — contractors should read our contractors insurance guide alongside this.
Care, custody, or control: the bailee gap
Care, custody, or control is an exclusion common to several liability forms removing damage to property in the insured's custody; the CGL contains one aimed specifically at personal property. That is a live gap for repair shops, cleaners, warehouses, valets, and IT firms holding client hardware. Customer vehicles are addressed by garagekeepers coverage; other property by a bailee form or the ISO Legal Liability Coverage Form (CP 00 40).
Contractual liability and "insured contract"
The CGL excludes liability you assume by contract, but the exclusion does not apply to liability assumed in an "insured contract" — a defined term restoring coverage for hold-harmless and indemnity agreements in qualifying contracts. Sign indemnity language broader than that definition and you may have assumed an obligation your GL will not fund.
What underwriters evaluate
Classification comes first. The ISO classification system groups insureds so rates track the hazards typical of each group, using five-digit codes by industry family: mercantile 10000–19999, miscellaneous 40000–49999, manufacturing 50000–59999, building and premises 60000–69999, contracting and servicing 90000–99999. The class sets the exposure basis:
| Business type | Exposure base |
|---|---|
| Manufacturing and mercantile | Gross sales, per $1,000 |
| Contracting and servicing | Payroll, per $1,000 |
| Building and premises | Square footage or units |
| Specialized classes | Admissions, total subcontract cost |
More broadly, the exposure base is whatever rates are applied to: payroll, receipts, sales, area, or man-hours. Expect questions about your description of operations, prior loss runs, subcontractor usage, what you make or install, premises condition, and the contracts you sign. One nuance: an unendorsed ISO CGL generally covers you regardless of classification, so the code drives price rather than coverage — but some surplus lines insurers attach classification limitation endorsements excluding operations you did not schedule.
How premium is rated, and what the audit does
GL premium starts as an estimate. You give estimated sales or payroll at inception, the rate applies to it, and the policy is auditable. A premium audit reviews actual exposure after the period ends to set final premium, and if actual exceeds estimate, additional premium may be owed. Lowballing does not save money; it defers the bill. Most policies also let the insurer add missing classifications retroactively at audit.
Additional insured status and waiver of subrogation
Additional insured. An additional insured is a person or organization not automatically covered who is added by endorsement at the named insured's request, usually to satisfy a contract with an owner, customer, or landlord. It backs up the indemnity promise: if the indemnity agreement fails as a matter of law, the additional insured can still claim directly under your CGL. A certificate of insurance is not additional insured status — TDI is explicit that a certificate is proof coverage exists, not the policy. Only the endorsement grants rights.
Waiver of subrogation. Subrogation is your insurer's right to recover what it paid from whoever caused the loss. A waiver of subrogation is the insurer giving up that right against a specified party, so someone you agreed not to sue cannot be pursued by your carrier instead. Timing is the trap: most policies exclude coverage where subrogation is waived after a loss.
An illustrative claim scenario
Hypothetical, used only to show how the coverage parts interact. Not a real claim; actual outcomes depend on the policy form, endorsements, and state law.
A flooring contractor finishes an installation. Six months later a seam fails, the floor buckles, and water spreads beneath it, ruining the client's built-in cabinetry and stored inventory.
- Tearing out and reinstalling the defective floor is the contractor's own work, running into the "your work" exclusion.
- Damage to the cabinetry and inventory is damage to other property, evaluated under Coverage A within the products-completed operations hazard, drawing on that separate aggregate.
- A worker injured during the tear-out is not a GL claim at all. That is workers' compensation.
- Had the contractor also written the moisture-mitigation specification as a design service, the professional services exclusion could pull that allegation into E&O territory.
One event, four coverage answers — which is why "I have general liability" and "I am covered" are not the same sentence.
GL vs. the coverages people confuse it with
| Coverage | Responds to | Typical trigger |
|---|---|---|
| General liability | Third-party bodily injury, property damage, personal and advertising injury | Occurrence |
| Professional liability / E&O | Financial harm from your advice, design, or service | Usually claims-made |
| Product liability | Harm from products you make or sell; part of GL's products-completed operations hazard, not a separate buy for most businesses | Occurrence |
| Umbrella and excess | Losses above your underlying GL limits | Follows the underlying policy |
| Commercial property | Your own buildings, equipment, inventory | Direct physical loss |
An excess liability policy sits above an underlying policy, with the excess insurer responsible only for damages exceeding that limit; an umbrella may be somewhat broader than the underlying policy, while pure excess generally follows the underlying terms only. If the aggregate is your real constraint, umbrella limits are usually more efficient than raising the primary.
GL vs. a business owner's policy. A businessowners policy packages property and liability for eligible small businesses on BOP forms instead of the monoline CGL and property forms. GL can be bought stand-alone, inside a BOP, or in a commercial package policy. Eligibility is not automatic: the III notes insurers weigh premises size, required limits, business type, and offsite activity. If you qualify, a BOP is usually the better structure; if your operations are too large or hazardous, you are back to monoline GL plus property.
Frequently asked questions
Does general liability cover employee injuries?
No. Employee injuries are excluded and belong to workers' compensation. The SBA states the federal government requires every business with employees to carry workers' compensation, unemployment, and disability insurance, with additional requirements varying by state.
Is general liability insurance required by law?
Generally no, not as a blanket statutory requirement for most businesses. The SBA identifies workers' compensation, unemployment, and disability as the coverages the federal government requires of employers, and notes laws vary by state. General liability is far more often required by contract, lease, or license — Texas, for instance, requires a certificate showing general liability insurance to register with the State Fire Marshal's Office. Because requirements vary by state, industry, and contract, confirm yours with your state insurance department and licensing board.
Does general liability cover damage to my own work?
Generally not. The CGL excludes property damage to "your work" arising out of that work within the products-completed operations hazard, and "your work" includes work performed on your behalf by a subcontractor. Damage your defective work causes to other property is analyzed separately and may be covered.
What is the difference between per-occurrence and aggregate limits?
The each-occurrence limit caps what the insurer pays for all Coverage A damages and Coverage C expenses from a single occurrence. The general aggregate caps the total across the whole policy period, and once exhausted the insurer has no further obligation for those claims that term. The products-completed operations aggregate is separate and is not reduced by general aggregate payments.
Do I still need general liability if I have a BOP?
No. A BOP already contains liability coverage, so separate GL would duplicate it. The real questions are whether its limits fit your exposure and whether you stay eligible as you grow.
Does general liability cover a data breach?
No. Electronic data is not treated as tangible property under the CGL, and cyber liability and data breach are among the exposures IRMI lists as excluded from the policy. That risk belongs in a cyber insurance policy.
What to ask your agent
- Are defense costs inside or outside my limit?
- What classification code am I rated on, and does it match what I actually do?
- Is my sales or payroll estimate realistic, or am I setting up an audit bill?
- Am I on an occurrence form?
- Do I hold the actual additional insured and waiver of subrogation endorsements my contracts demand, not just certificates?
- Does my products-completed operations aggregate cover the tail on work I finished this year?
- Which exposures — employee injury, autos, professional advice, property in my custody, pollution, cyber, liquor, employment practices — are not addressed anywhere in my program?
The recurring mistakes are predictable: treating a certificate as coverage, buying to the contract minimum instead of the actual exposure, ignoring the aggregate, assuming GL warranties your own workmanship, under-reporting exposure and being surprised at audit, and going bare between jobs — which leaves those months permanently uninsured, since occurrence coverage only protects periods you actually carried it. If you are still mapping which coverages you need and in what order, our guide on how to choose the right insurance coverage works through that sequence, and our commercial insurance overview shows how the pieces fit.
Getting the structure right
General liability is not hard to buy. It is hard to buy correctly, because what matters is the classification you are rated under, the aggregate you chose, the endorsements your contracts require, and the handful of exposures the form deliberately leaves out. If you want a second set of eyes on your general liability coverage, including whether your limits and endorsements line up with the contracts you are signing, request a quote or get in touch.