As a Maine sole proprietor with no employees, you are generally not required to carry workers compensation insurance, and you are not your own employee, so no coverage is forced on you and you do not need to file any waiver to be exempt. The moment you hire anyone, though, Maine requires a policy for that first worker under 39-A M.R.S. section 401. Covering your own on-the-job injuries is an option you can ask about, not a requirement.
Who this is for: Maine sole proprietors, from a solo cleaner or handyman with no staff to a sole proprietor who takes on a helper or two.
The short version
- With no employees, a sole proprietor is not required to carry comp and is not automatically covered.
- Maine leaves a sole proprietor out of the definition of employee, and you file no form to be left out.
- Your own on-the-job injuries are not paid by comp unless you arrange coverage for yourself.
- Hiring even one worker triggers the mandate, and that worker must be covered from day one.
- A sole proprietor has no corporate shield, so an uninsured injury can reach your personal assets.
Covering yourself is a choice
Maine lists the sole proprietor among the people who are not an employee, alongside partners and LLC members, and none of them file a waiver to be excluded. That means you are outside the workers comp system by default and nothing forces you to insure your own injuries. If you want that protection, you ask whether a policy can include you, which would put your own earnings into the premium. Many solo owners weigh this against their health insurance, but keep in mind that comp also replaces lost wages and covers work injuries that a health plan may exclude, which is a gap health coverage alone does not fill.
When it is just you vs when you hire
| Your situation | Is comp required? | What to weigh |
|---|---|---|
| Solo, no employees, no client requirement | No | Optional; it would insure your own injuries if you add yourself |
| Solo, but a client or general contractor requires proof | No by law, yes by contract | You need a policy to take the job; decide whether to include yourself |
| You hire a helper or two | Yes | Every employee must be covered from their first day |
| You hire your spouse or child | Yes, unless they waive | A spouse, parent, or child can waive their own coverage with an approved form |
What changes the day you hire
Hiring your first worker flips the switch: Maine now requires coverage for that employee, with no grace period. It also raises your exposure sharply. If your helper is hurt and you carry no coverage, the state can charge a penalty of up to 10,000 dollars, or 108 percent of the premium you should have paid, whichever is larger, and the worker can sue you in civil court once you lose the exclusive-remedy protection. A sole proprietor has no corporate shield, so a judgment can reach your personal savings, home, and other assets. That is why solo owners who add even one employee buy a policy, often asking to include themselves as well.
A Biddeford example
Illustrative, not a quote. A Biddeford house cleaner works alone and skips workers comp because the law does not require it for a one-person business, and she files nothing to stay exempt. She wins a recurring contract with a property manager who requires proof of coverage, so she buys a policy and asks to include herself, since she does the physical work and wants her own injuries covered. That spring she hires a part-time helper. Because Maine now requires coverage for that employee, and an uninsured injury could become a lawsuit reaching her personal assets, she keeps the policy and adds the helper, and we rate the cleaning work correctly so she is not overpaying. See our workers comp for cleaning and janitorial page.
Real questions Maine owners ask
Do I need workers comp as a Maine sole proprietor?
With no employees, generally no. Maine leaves a sole proprietor out of the definition of employee, and you file no form to be exempt. The moment you hire anyone, coverage is required for that worker.
Am I covered by workers comp if I do not have employees?
Not automatically. A sole proprietor is out of the system by default. Your own on-the-job injuries are not paid by comp unless you arrange to include yourself on a policy.
Do I have to file a waiver to be exempt as a sole proprietor?
No. Unlike a for-profit corporate officer, a sole proprietor with no employees does not file any waiver in Maine. You are left out of the workers comp system without paperwork.
Does hiring one helper make comp required?
Yes. Maine has no headcount threshold, so your very first employee makes coverage mandatory. Even a single part-time helper must be covered from their first day of work.
Can an injured worker reach my personal assets?
As a sole proprietor you have no corporate shield, so a civil judgment can reach your personal assets. Carrying comp makes it the worker's exclusive remedy and generally blocks that lawsuit.
Can I put my spouse or child on the payroll without comp?
A spouse, parent, or child of a sole proprietor who works for the business can waive their own coverage with an approved state form. Without that waiver, they are covered like any employee.
Does my health insurance replace workers comp?
Not fully. Health insurance may pay some medical bills, but it does not replace lost wages the way comp does, and many health plans exclude work-related injuries. Comp is built for on-the-job harm.
Why Maine owners choose Morrow
- We shop the right market for you. In Maine you buy workers' comp on the open market from any carrier licensed in the state, with the state-created MEMIC competing alongside private insurers and also standing as the guaranteed insurer of last resort, so we can shop your price freely and still have a fallback if you are hard to place.
- We catch pricing mistakes. Your price depends heavily on the category your work falls into for pricing (the class code). Put people in the wrong category and you overpay for years. We review your payroll and classifications before you buy.
- Proof of coverage, fast. Need a certificate (proof of coverage) for a general contractor or a landlord before Monday? We turn those around the same business day for most carriers.
- We help lower the score that drives your price. Insurers give you a score based on your past claims that raises or lowers your cost (the experience modification rate). We review it each year, flag errors, and connect you with return-to-work and safety resources that bring it down.
- Real people when a claim happens. When someone gets hurt, we stay involved through the life of the claim, not just at renewal.
Related Maine guides
Every Maine business is set up a little differently. These companion guides answer the same question for other situations, plus the national explainers behind the terms used here.
- Business insurance in Maine (start here)
- Workers comp: the owner's overview
- I own an LLC: do I need workers comp?
- I own a corporation (C-corp or S-corp): do I need it?
- We're a partnership: do we need workers comp?
- We're a nonprofit: do we need workers comp?
- My workers are 1099: do I still need it?
- Only part-time or seasonal staff: do I need it?
- I only employ family: do I need workers comp?
- Remote or out-of-state staff: do I need coverage?
- What happens if I don't carry workers comp?
- How much does workers comp cost?
- How do I get workers comp (even if turned down)?
- What insurance do I need for a contractor license?
- Workers compensation insurance, explained
- What workers comp costs (national guide)
- Do sole proprietors need workers comp?
- Hiring your first employee: what changes
- Maine cleaning workers comp
This guide is general information, not legal advice. Maine rules and penalty amounts can change, so verify current requirements with Maine Workers' Compensation Board (WCB) or a licensed advisor before you rely on them. Last updated: July 2026.