General liability is priced the way most commercial insurance is: a rate for your kind of business, multiplied by a measure of how much business you do. California’s Department of Insurance explains that the rating formula for general liability “can be based on square footage, payroll, or gross sales depending on the general liability classification codes used,” and that the premium comes from a simple formula, rate x exposure = premium. Your limits, deductible, location, claims record and the endorsements your contracts require then push that number up or down.
That’s why two businesses with the same revenue can get very different general liability quotes, and why one business can see its price change after the policy ends. Both follow from the formula, so once you can read it on your own quote, very little about the price is mysterious.
Key takeaways
- General liability is usually priced as a rate for your classification times an exposure base such as sales, payroll or square footage.
- What your business does sets the rate, so describing your work accurately matters more than any other answer on the application.
- Policies rated on sales or payroll start on your estimate and are usually settled by an audit after the policy ends.
- Contractors and businesses that sell products also pay for the risk of claims from work they’ve finished or goods they’ve sold, through products and completed operations coverage.
- Lease and contract requirements, such as higher limits or additional insured endorsements, can change what a quote includes and what it costs.
Rate times exposure, explained
Before going further, it helps to have the two pieces straight, and how much business insurance costs covers them across all eight policies. The rate is the price per unit of exposure for businesses in your classification, reflecting how often businesses like yours face liability claims and how large those claims tend to be, and the exposure is the measure of your size. That’s usually gross sales, payroll or square footage. California’s guide adds modifiers on top, including experience modifications, schedule rating and judgment rating, and it notes that the deductible is built into the rate, so the higher the deductible, the lower the rate.
What your business does matters most
The classification decides the rate. The NAIC’s small business guide says simply that “the type of business greatly influences liability premiums,” and California’s guide calls classification “the first step to determine premium,” with codes assigned based on the exposures common to your type of operation. A roofer works on someone else’s property every day and leaves finished work behind, while a bookkeeper’s biggest liability exposure is usually a visitor tripping in the office, and that gap is in the rate before anyone counts how big either business is.
So describe every service you offer, because a classification that misses a side service, like a café’s off-site catering or a retailer’s installations, can turn a claim from that work into a dispute.
Sales, payroll or square feet: your exposure base
Which base your policy uses depends on your classification, so you don’t get to choose it, but you do control the number, and that’s where owners make the mistake that costs them later. The NAIC notes that liability premiums “are typically linked to a business’ sales and payroll estimates,” and that if actual figures come in lower than the estimate, the insured may be entitled to a refund, while higher figures mean more premium, an adjustment that in practice usually happens through a premium audit once the policy ends.
So a general liability quote built on a low sales or payroll estimate isn’t cheaper. It’s a down payment, with the balance due after the year closes, usually when you least want a bill. Give your best honest estimate for the coming year and update it when your business grows.
Why contractors pay for work they’ve already finished
Most owners picture general liability as coverage for a customer slipping by the register, and that’s part of it, but only part. California’s guide describes three primary coverage sections in a standard commercial general liability policy: premises liability, for injuries or damage caused by a condition on your premises or by your operations in progress, products liability, for injury or damage caused by goods you make, sell, handle or distribute, and completed operations, for injury or damage that arises from work you’ve finished.
That third section is where the price of general liability for contractors parts ways with everyone else. A plumber’s repair can leak a year after the job is done, a deck can fail after the homeowner has paid the final invoice, and a shelf a handyman installed can come down on someone long after the van has left. Those claims belong to completed operations, and an insurer pricing a contractor has to account for injuries and damage this year from jobs finished in earlier years as well as the one in progress. Finished isn’t the same as safe. A bookkeeping office has essentially none of that exposure, which is one reason two businesses with the same revenue can get very different general liability prices.
The limits reflect it too. California’s guide explains that a general liability policy carries separate limits for different kinds of claims, with one aggregate shared by most of them and a separate aggregate for products and completed operations. For a contractor or a shop that sells goods, that second aggregate deserves as much attention as the first, and general contractors often ask for completed operations coverage in their subcontracts. Plan for both buckets.
Does where you operate change the price?
Yes, though less visibly than your classification. The NAIC lists state laws among the factors behind liability pricing, along with the number of claims filed within an industry, the financial stability and longevity of the business, and its approach to preventing risk. Where you operate affects how often people sue, what courts award and what injuries cost to treat, so the same café can carry a different rate in a different state.
Your claims record and safety practices
Your own record sits on top of all that. The NAIC says plainly that “a high past-claims history can increase insurance costs,” and insurers usually read that history from a loss run, so have one ready from your current insurer before you shop. On the other side of the ledger, the NAIC notes that businesses with solid, documented safety practices may be assessed as lower risk and charged lower premiums, which is the kind of characteristic schedule rating exists to reward.
What your contracts add to the quote
That example shows the part of general liability pricing that contracts control. Higher limits cost more because the insurer could pay more, but the endorsements are where quotes quietly differ. Endorsements such as additional insured status, primary and noncontributory wording and waivers of subrogation change how the policy responds to claims involving the other party, and depending on the insurer and the policy, they may come with a charge of their own or be included through a blanket endorsement. Additional insured endorsements can also be limited to your ongoing work or extend to completed operations, and general contractors often ask for both, so check which one a quote includes. Either way, a quote that leaves out what your contract requires is a quote for different coverage, and the certificate it produces is likely to be sent back.
Read the contracts first. The insurance section of every lease and contract is where these requirements live, with how to read insurance requirements in a client contract and what a waiver of subrogation is to explain the clauses, while how to choose liability limits covers when to carry more than a contract asks for.
How to read a general liability quote
Here’s what to look for, line by line, when a quote arrives. Start at the top.
| Line on the quote | What to check |
|---|---|
| Classification | The description or class code matches all the work you do, side services included |
| Exposure base and amount | Whether you’re rated on sales, payroll or area, and that the figure is your honest estimate for the coming year |
| Each occurrence limit | Meets the highest per-claim requirement in your lease and contracts |
| General aggregate | Meets your contracts, and is large enough for a busy year of claims |
| Products and completed operations aggregate | Present and adequate if you sell goods or do work at customers’ sites |
| Personal and advertising injury | Covers claims such as defamation or using someone’s work in your ads, often with its own limit |
| Medical payments | A small limit for an injured person’s medical bills regardless of fault, if included |
| Deductible | Whether there is one, the amount and how it applies |
| Endorsements | Additional insured, primary and noncontributory and waiver of subrogation wording your contracts require |
| Audit | Whether the policy is auditable, and on which figure |
Two quotes that match on every line can be compared on price, but two that don’t are describing different policies, and the gap between them is mostly coverage, so line them up before deciding. Personal and advertising injury and medical payments each have their own glossary entries if those lines are new to you.
With Corgi, you can get a general liability quote online in about five minutes. Underwriters answer your questions, not a broker, and your certificate of insurance is available the day you buy, ready to download or send to a landlord or client from your account.
See what general liability costs for your business
About five minutes, all online. Your certificate is ready the day you buy.
Frequently asked questions
Is general liability priced on revenue or payroll?
It depends on your classification. California’s Department of Insurance says the general liability rating formula can be based on square footage, payroll or gross sales, depending on the class codes used. Your quote should show which base it used and the figure behind it.
Why is my general liability quote higher than a friend’s with the same revenue?
Most likely because your businesses are in different classifications with different rates, though location, limits, deductibles, claims history, completed operations exposure and contract endorsements can all add to the difference.
Does general liability get audited?
Often, when it’s rated on sales or payroll, because the premium starts on an estimate; after the policy ends, the insurer checks your actual figures, and you may owe more or get a refund. Policies rated on a fixed measure, such as square footage, may not change in the same way.
How can I lower my general liability cost?
Make sure your classification and estimates are accurate, carry the limits your contracts require without buying far beyond them, consider a deductible you could comfortably pay, and document your safety practices. Over time, a clean claims record matters most.
