What Is General Liability Insurance? What It Covers (and Doesn't)

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General liability is the policy behind the question every commercial client eventually asks: "Can you send over a certificate of insurance?" It is the first policy most small businesses buy, the one nearly every contract names, and — by a wide margin — the most misunderstood. This guide walks through what a general liability (GL) policy actually covers, how to read the declarations page you get when you buy one, and the exclusion that surprises more first-time buyers than any other: your own work.

The one-sentence version

General liability insurance pays when your business operations injure someone who doesn't work for you or damage property that doesn't belong to you — and it pays for lawyers to defend you when someone claims you did.

That sentence carries the two ideas that organize everything else. First, GL is third-party coverage: it protects other people from your business, which is exactly why other people keep asking you to carry it. Second, the defense obligation is often worth more than the damages. Under most standard GL forms, the insurer takes over the cost of defending covered claims — the mechanism that turns a five-figure legal bill into a phone call.

What general liability actually covers

A standard GL policy is built from three coverage parts:

Coverage A — bodily injury and property damage. The slip-and-fall lane. A customer trips over your extension cord; your ladder goes through a client's window; the mop bucket your crew left on a marble staircase meets a visitor in dress shoes. GL responds to the injury and the damage, up to the policy's limits.

Coverage B — personal and advertising injury. A narrower lane covering claims like libel, slander, and using someone's likeness in your marketing without permission. Nobody buys GL for this part, but it earns its keep the first time a competitor claims your ad disparaged them.

Coverage C — medical payments. A small, no-fault limit — often in the $5,000 range as a form convention — that pays minor medical bills without anyone having to prove negligence. It exists to keep small injuries from becoming lawsuits.

Two more phrases from the policy form are worth knowing before you shop:

• Products–completed operations. Coverage for work you have already finished and left behind. The shelf you installed last month that pulls out of the wall this month is a completed-operations claim. If you build, install, or repair anything, confirm this coverage is present and not stripped out by endorsement.
• Duty to defend. In most standard GL forms the insurer must defend covered claims, and defense costs typically sit outside the limits. Forms vary, so treat this as a read-your-policy item rather than an assumption.

How to read the declarations page

Every GL policy leads with a declarations page — the one-page summary that certificates are built from. Learn to read five lines and you can sanity-check any policy in two minutes:

Line	What to check
Named insured	Your exact legal name — the LLC, not you personally, if the LLC signs the contracts
Policy period	Effective and expiration dates; contract insurance clauses care about both
Each-occurrence limit	What the policy pays for any one accident — $1,000,000 is the standard contract ask
General aggregate	The policy-term ceiling across all claims — commonly double the occurrence limit
Premium	What you pay, and the payroll or revenue estimate it was priced on

The limits pair deserves a beat, because insiders read it as shorthand. $1M/$2M means $1 million per occurrence and $2 million aggregate — occurrence always comes first. When a contract asks for "$1 million per occurrence and $2 million in the aggregate," it is asking you to match those two lines of the declarations page. Our certificate of insurance guide covers how those limits flow onto the COI your client actually sees.

One underrated check: the named insured. If your LLC signs the contracts but the policy names you personally, the entity doing the work may not be the entity that's insured. That's a five-minute fix at purchase and an expensive discovery after a claim.

What GL does not cover — starting with the big myth

The most common misunderstanding in small-business insurance is the belief that general liability covers your own bad work. It doesn't. GL is not a warranty, and it will not pay to redo a job that came out wrong.

The distinction runs on one question: what got damaged? If your crew stains a client's carpet while cleaning it, the carpet is the client's property — GL territory. If the cleaning job itself was botched and has to be done again, that's the cost of performing your work correctly — your cost. Standard GL forms carry exclusions, often labeled "damage to your work," that draw exactly this line.

The rest of the not-covered list matters just as much:

• Your own injuries. GL protects third parties. Your broken wrist is a health-insurance and disability question.
• Employee injuries. That's workers' compensation, and in most states it's required by law once you hire your first employee — thresholds and exemptions vary, so confirm with a licensed agent in your state. Our state-by-state workers' comp table maps the rules.
• Professional mistakes. Bad advice, missed deadlines, and design errors are financial harm rather than bodily injury — that's professional liability, a separate policy. Where one ends and the other begins is the subject of our GL vs. professional liability comparison.
• Vehicles in motion. Driving to a job is an auto exposure, and personal auto policies commonly exclude business use — see commercial vs. personal auto.
• Intentional acts, plus a set of specialty exposures — pollution, liquor liability — that need their own endorsements or policies.

What it typically costs

Ranges, not promises — and every figure here carries its source. As of mid-2026, Insureon's published median for small-business general liability is $45 a month, with a full-year spread running from about $250 to $3,000+ depending on the business. Most one-person service operations land somewhere between $30 and $60 a month, bracketing that median. On the direct-writer side, Hiscox's advertised from-price for GL starts around $30 a month — a floor for the lowest-risk profiles, not a typical rate.

Where you land inside those ranges is mostly five things: your trade (the class code you're rated under), your state, your payroll or revenue, the limits you pick, and your claims history. Our GL cost guide breaks down each driver, and our methodology page explains where every range on this site comes from and when it was last reviewed.

Do you legally need it?

Mostly, no statute says "carry general liability" — the pressure arrives through contracts instead. Commercial clients, landlords, and general contractors make GL practically mandatory by declining to work with you until a certificate shows up. Some states do require GL or a bond for licensed contractors as a condition of licensure, and the rules differ enough by state and trade that you should confirm with a licensed agent in your state before treating any general statement as settled.

The practical worksheet: pull your two or three most important contracts, find the insurance clause, and note the limits and any "additional insured" language. That paragraph — not a statute — usually defines the policy you need.

Buying it without overpaying

1. Work backward from your contracts. If every client asks for $1M/$2M, your limits decision is already made.
2. Get more than one number. GL pricing for the same trade varies meaningfully with carrier appetite. Compare quotes for general liability through a marketplace that shops several carriers from one application, and Check your rate at Hiscox if you want a direct writer's figure alongside it.
3. Confirm products–completed operations is included if you build, install, or repair.
4. Answer payroll and revenue questions accurately. They are the rating basis, and lowballing them invites audit trouble later.

Not sure GL is even the right first policy for your situation? Run your trade and state through our coverage checker — it sorts every policy into required by law, commonly required by clients, or worth considering, with typical published ranges for each.

Last reviewed: August 2026. The figures on this page are typical published ranges, not quotes; our methodology explains where each one comes from and how often we recheck it.