Industry class code drives the rate per $1,000 of revenue.
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Introduction
General liability insurance is the first policy most small business owners buy, and for good reason: a single customer slip-and-fall can cost $30,000 to $100,000 to settle, and a serious injury easily clears $500,000. The Insureon 2024 Small Business Insurance Report found the median small business pays $45 per month for general liability, but that average hides enormous variation. A sole-proprietor IT consultant pays about $27 per month, while a general contractor with 10 employees can pay $300 or more. The price is driven by industry class code, revenue or payroll, coverage limits, location, and claims history. This estimator uses 2026 industry benchmarks to give you a realistic premium range before you start collecting formal quotes, so you know whether a carrier offer is fair or padded.
What This Calculator Does
This tool estimates 2026 commercial general liability (CGL) annual premiums by industry class, annual revenue or payroll, coverage limits, and state. It uses base rates per $1,000 of revenue (or payroll for construction classes) from Insureon, MoneyGeek, and InsuranceCostGuide benchmarks, applies a coverage limit multiplier for $500K/$1M, $1M/$2M, or $2M/$4M policies, and a state cost multiplier. The calculator returns an estimated annual premium, monthly premium, and a low-to-high range reflecting the spread between preferred and standard underwriting outcomes.
The Formula
CGL is rated on either revenue or payroll depending on the industry classification. Service and retail classes are typically rated per $1,000 of gross revenue, while construction and contracting classes are rated per $1,000 of payroll because payroll better reflects exposure. The base rate per $1,000 reflects the industry loss ratio: low-risk office work runs about $1.20 per $1,000 of revenue, while high-risk construction runs $12 or more per $1,000 of payroll. Coverage limits scale the rate: $1M per occurrence and $2M aggregate is the standard contractual minimum and is the baseline (1.0x). Higher limits cost more, lower limits cost less. State multipliers reflect litigation costs, claim frequency, and state tort environment.
Step-by-Step Example
Select your industry
A general contractor selects Construction. The base rate is $12.00 per $1,000 of payroll.
Enter annual payroll
Payroll for field workers: $500,000. Rated on payroll because construction exposure tracks labor hours.
Choose coverage limits
Standard $1M per occurrence and $2M aggregate, the minimum most commercial leases and client contracts require.
Review the estimate
Estimated annual premium: about $6,000, or $500/month. Range: $4,200 to $9,000 depending on claims history and underwriting.
Real-World Use Cases
New Business Insurance Budgeting
Founders estimating first-year insurance costs use the tool to budget general liability alongside workers comp, commercial auto, and property coverage before opening.
Renewal Premium Validation
Existing business owners compare their renewal quote against the benchmark range to spot overpricing and negotiate with their broker or shop competing carriers.
Contract Compliance Check
Contractors and consultants entering client master service agreements verify they carry the required $1M/$2M or $2M/$4M limits and estimate the cost of bumping up if a contract demands higher limits.
Common Mistakes to Avoid
Buying only the state minimum or a $300K policy to save premium. Most commercial leases, client contracts, and vendor agreements require at least $1M per occurrence and $2M aggregate. Carrying less breaches your contracts and leaves you personally exposed.
Rating construction payroll at the office rate. A common error is classifying all payroll under a low-rate clerical code. Insurers audit payroll by class code at renewal, and misclassifying field workers as clerical triggers a hefty back premium bill.
Ignoring professional liability (E&O) when you provide advisory services. General liability covers bodily injury and property damage, not financial harm from your professional advice. Accountants, consultants, architects, and tech firms need separate E&O coverage.
Underestimating revenue or payroll on the application to lower premium. Insurers audit actual figures at renewal. Underreported exposure produces a retroactive premium adjustment, sometimes with penalty, and can jeopardize coverage if deemed material misrepresentation.
Forgetting that claims history drives renewal pricing more than the base rate. One paid claim can push a renewal premium up 20% to 50%, and two claims can make a business uninsurable in the standard market, forcing surplus lines coverage at 2x to 3x the cost.
Frequently Asked Questions
How much does general liability insurance cost in 2026?
The median small business pays about $45 to $65 per month for $1M/$2M limits. Low-risk sole proprietors (IT, consulting) pay $27 to $65 monthly. Retail stores pay $50 to $100. Restaurants pay $80 to $200. General contractors pay $150 to $500+ depending on payroll. Annual premiums range from about $400 for low-risk solo operators to $5,000+ for higher-risk businesses with employees.
What does general liability cover?
CGL covers third-party bodily injury, property damage, and personal and advertising injury. Examples: a customer slips in your store, your work damages a client property, or you are accused of copyright infringement in an ad. It does not cover your own employees injuries (that is workers comp), your professional mistakes (that is E&O), or damage to your own property (that is commercial property).
What limits should I carry?
The standard is $1M per occurrence and $2M aggregate, which satisfies most commercial leases and client contracts. Higher-risk businesses or those with significant assets often carry $2M/$4M or add a commercial umbrella on top. Some contracts (healthcare, government work) require $2M or $5M limits. Match your limits to your largest contractual requirement.
Is general liability rated on revenue or payroll?
It depends on the industry class code. Service, retail, and professional classes are typically rated per $1,000 of gross revenue. Construction, contracting, and labor-intensive classes are rated per $1,000 of payroll because payroll better reflects the hours of hazardous exposure. Your agent will tell you which basis applies to your class code.
Do I need general liability if I am a sole proprietor with no employees?
Yes, in most cases. Even without employees, you can be sued for bodily injury to a client or visitor, property damage you cause at a client site, or advertising injury. A $1M/$2M policy for a low-risk sole proprietor costs about $400 to $800 per year and is usually required by client contracts and commercial leases.
Accuracy and Disclaimer
Premium estimates use 2026 industry benchmarks from Insureon, MoneyGeek, InsuranceCostGuide, and Insurance Pro Agencies. Actual premiums depend on your specific class code, claims history, years in business, location, building construction, and underwriting results. Quotes from a licensed commercial insurance agent are the authoritative source. This tool is for budgeting and comparison purposes only and is not an offer of coverage.
Conclusion
General liability is the baseline coverage every business needs, and knowing the benchmark range before you shop prevents both under-insuring and overpaying. Run the estimate here, then collect at least three quotes from licensed agents to compare. If you have employees, pair this with our Workers Comp Premium Calculator to budget total coverage, and the Umbrella Insurance Coverage Gap Calculator to see if you need excess liability on top.
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