How much you need is set from two directions: your contracts set the floor (1M/2M general liability is the common minimum, with bigger jobs demanding more) and your own assets set the ceiling (carry enough that a bad claim can't wipe you out). How much you pay is driven mostly by your trade, your payroll, your location, and your claims history, and the biggest levers you actually control are your safety record and getting your class codes and audits right. There is no single national price, so anyone quoting you one number is guessing.
How much coverage: contracts set the floor, assets set the ceiling
Think about "how much" from both ends:
- The floor is what you are required to carry. Your contracts and your license set it. A 1M/2M general liability policy is the common contractual standard, and larger owners and GCs often require more, typically met with an umbrella. Route the exact required limits to your contract and Working in Your State.
- The ceiling is what protects you. Above the contractual minimum, carry enough that a single serious claim cannot take your house and your business. That means matching your limits to the size of the jobs you take and the assets you have to lose, not just to the lowest number a client will accept.
Buying only the contractual minimum protects the client. Buying to your own exposure protects you.
What actually drives your premium
Premium is driven by five variables, and none of them is a number you can just look up:
- Trade classification. The single biggest lever. A roofer and a locksmith are not remotely in the same band.
- Location. Your state and local risk and legal climate.
- Payroll and gross receipts. More work and more people means more exposure, so more premium.
- Claims history (loss runs). Your actual track record of claims.
- Subcontractor management. Uninsured subs get charged back to you at audit, so sloppy sub paperwork raises your cost.
This is exactly why two contractors in the same trade get very different quotes. The price is built from your specifics, not from a rate card.
The levers you control
You cannot change your trade, but you can control several things that quietly cut cost year after year:
- Your safety record. It drives your workers' comp experience mod, which is the single biggest long-term saver. Fewer and cheaper claims pull your mod below average and discount every future premium.
- Accurate class codes. Paying the right rate for the right work, so you are not billed at a higher-risk code than you belong in, and not caught underpaying at audit.
- Collecting COIs from every sub. So their payroll is not reclassified as yours at audit and charged at their trade rate.
- Honest payroll estimates. So the year-end audit trues up smoothly instead of hitting you with a catch-up bill.
Clean records and clean audits are boring, and they are also where the savings are.
Why roofing (and a few trades) cost so much more
Some trades are structurally expensive to insure, and roofing is the clearest case. The reasons are real, not a rip-off:
- Falls make workers' comp claims frequent and severe.
- Torch and hot work create a fire risk that can level a building under construction.
- A stripped roof caught by a storm generates huge water-intrusion claims.
- Many standard carriers will not even write roofing, pushing it into pricier specialty and surplus-lines markets.
So a roofer legitimately pays far more than a painter, and any pricing model that pretends roofing insures like low-risk trades is financially dangerous. Excavation, framing, and general contracting sit high for similar structural reasons. Knowing your trade's band keeps you from underpricing jobs.
How to cut the premium without cutting cover
Cut the price, not the protection:
- Run a documented safety program and drive the experience mod down. This is the biggest lever.
- Review class codes with your broker every year and after any change in what you do.
- Enforce "no COI, no payment" on subs so their premium is not charged back to you.
- Consider a business owner's policy (BOP) that bundles general liability and property, if you qualify.
- Take a higher deductible if you can absorb it out of pocket.
- Pay annually instead of monthly to avoid financing fees.
- Keep continuous coverage, because gaps raise your rate.
- Use a broker who actually writes construction and can shop specialty markets, not a generalist.
What you never do is cut cover or under-declare payroll to save money. That just moves the bill to the audit, or to the day you actually have a claim.
Common questions
How much does contractor insurance cost?
There is no single price; it is driven mostly by your trade, payroll, location, and claims history, so quotes vary widely. A low-risk trade with a clean record pays a fraction of what a roofer or excavator pays, and two contractors in the same trade can differ a lot based on loss history and payroll. The only reliable answer is to get real quotes from a broker who writes construction. Anyone offering a single national number is guessing.
How much liability insurance do I need?
At minimum, whatever your contract and license require, commonly a 1M/2M general liability policy, and above that, enough that one serious claim cannot wipe out your assets. Your contracts set the floor, and larger jobs often demand more, usually met with an umbrella. Your own assets set the ceiling: carry limits that match the size of the jobs and the value you have to protect, not just the lowest number a client will accept. Route the exact required limits to your contract and Working in Your State.
Why is my insurance so much more expensive than another contractor's?
Because premium is built from your specifics: trade, payroll, location, claims history, and how you manage subs, not from a flat rate. A worse claims history, a higher-risk class code, more payroll, a tougher legal climate in your state, or paying uninsured subs will all push your price above another contractor's, even in the same trade. The fastest way to close the gap is to improve your safety record and experience mod, tidy up your class codes, and collect certificates from every sub.
How can I lower my contractor insurance premium?
Drive your workers' comp experience mod down with a documented safety program, keep your class codes accurate, and collect a valid certificate from every sub so their payroll is not charged back to you. Beyond that, consider bundling into a business owner's policy, taking a higher deductible you can absorb, paying annually to skip financing fees, keeping continuous coverage, and using a broker who specializes in construction. Do not cut cover or under-report payroll to save money, because that bill just resurfaces at audit or at claim time.
Does my safety record affect my insurance cost?
Yes, directly. Your claims history sets your workers' comp experience mod, a multiplier on your premium, where below 1.0 is a discount and above 1.0 is a surcharge. A clean record pulls your mod down and cuts cost over a few years, while a serious claim raises it for about three. Safety is not just about avoiding an OSHA citation; it is one of the biggest levers you have over what you pay to insure the business. A documented safety program is what unlocks the good-faith side of it.
The honest bit
- There is no national price. Premium depends on your trade, payroll, location, loss history, and limits, so the only real answer is to get quotes from a broker who writes construction.
- 1M/2M is a common contractual standard, but your contract and your state set the actual required limits, so route those to your contract and Working in Your State.
- This is general guidance, not insurance advice.
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