Cleaning is one of the most realistic businesses to start in the UK: demand everywhere, minimal kit to begin with, and you can start solo around another job. But the difference between a cleaner with some customers and a cleaning business that grows is mostly boring stuff done well: the right cover, clear paperwork and a steady way of winning clients. Here is the honest version of all three.
The legal basics
Once your gross income from the work passes 1,000 pounds in a tax year, register with HMRC for Self Assessment as a sole trader; the deadline is 5 October after the end of that first tax year. Keep records of income and expenses from day one, because reconstructing them later is far harder than logging them weekly.
Public liability insurance is the cover that matters first. It protects you if you damage something in a client's home or someone is injured because of your work, and many letting agents and commercial clients simply will not use an uninsured cleaner. If you ever take on help, even casually, employers' liability insurance is a legal requirement. If you drive to jobs, tell your motor insurer the vehicle is used for business.
You will also handle cleaning chemicals daily, which is where COSHH comes in: know what each product is, what it must not be mixed with, and what protection it needs. A simple product record sheet covers this and reassures commercial clients that you take it seriously.
The paperwork that makes you look established
New cleaning businesses lose jobs and get burned in the same predictable places: no record of what was agreed, no clear scope, keys held with nothing in writing, and invoices that look homemade. A small set of forms fixes all of it:
- Client intake form: property details, access, alarms, pets, parking and priorities, captured once.
- Quotation and service agreement: what you will do, how often, for how much, and your terms on payment, cancellation and access.
- Cleaning specification checklist: room by room, so "clean the kitchen" means the same thing to both of you.
- Risk assessment and COSHH record: basic, sensible entries for wet floors, chemicals and lone working.
- Key holder agreement: in writing, always, before you accept anyone's keys.
- Invoice: numbered, branded and consistent.
You can build all of these yourself over a few evenings, or start from a ready-made set. The TidyDocs Cleaning Business Forms Bundle contains the full working set above as print-ready A4 forms in one consistent, professional style, which is exactly what makes a one-person operation look like an established firm at the first meeting.
Pricing without underselling yourself
Domestic cleaning in most of the UK is priced by the hour, and rates vary a lot by area, so check what established local cleaners charge before setting yours. Two rules save most new cleaners from the common trap. First, price from your costs: products, travel, insurance and your time, including the unpaid admin. Second, do not be the cheapest; clients who choose purely on price are the quickest to leave and the slowest to pay. End of tenancy, deep cleans and holiday let changeovers are usually priced per job rather than per hour, and they pay better once you are organised enough to scope them properly with a checklist.
Finding the first ten clients
Forget paid advertising at the start. The channels that actually work for a new cleaning business are unglamorous:
- A Google Business Profile with real photos and a clear service area, so local searches can find you.
- Local community groups and noticeboards, where recommendations are asked for daily.
- Letting agents and small landlords, who constantly need end of tenancy and changeover cleans.
- The first five happy clients, asked directly for a review and a referral.
Specialising speeds this up. "Cleaner" is a commodity; "end of tenancy specialist who works with three local agents" is a referral. Pick the niche that fits your hours and get known for it.
Start small, insure properly, put the paperwork in place before the first key is handed over, and treat the record keeping as part of the job. That combination is what turns cleaning work into a cleaning business. When the income starts flowing, our guide to the records HMRC actually wants will keep the tax side calm too.
This article is general guidance, not legal or financial advice.