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How to start a garage business in the UK (2026 guide)

By The Autera Team··10 min read

Plenty of good mechanics open a garage and close it within two years, not because they could not do the work, but because the business around the work quietly buried them: the structure, the insurance, the tax, the paperwork. This guide walks through what you actually need to set up an independent garage in the UK, roughly in the order you need it, and it is honest about the parts that are hard. None of it is glamorous; opening a garage is mostly admin punctuated by occasional spanner work. But get the foundations right and you spend less time firefighting and more time billing.

Choose your business structure first

Before you spend a pound, decide how you trade. For most people it comes down to sole trader versus limited company.

A sole trader is the simplest. You register with HMRC for Self Assessment, keep records, and pay Income Tax and National Insurance on your profits. There is no separation between you and the business, so if something goes wrong your personal assets are exposed. Setup is quick and the admin is light.

A limited company is a separate legal entity. Your personal liability is limited to what you put in, you pay Corporation Tax on profits, and you take money out as a mix of salary and dividends. It looks more credible to trade and fleet customers and can be more tax-efficient once you are profitable, but it carries more admin: annual accounts, a confirmation statement, and director responsibilities.

Factor Sole trader Limited company
Setup Register with HMRC for Self Assessment Incorporate at Companies House
Personal liability None, your own assets are exposed Limited to what you put into the company
Tax on profit Income Tax and National Insurance Corporation Tax, then salary and dividends
Admin load Light, one Self Assessment return a year Heavier, annual accounts plus a confirmation statement
Often suits A solo or mobile mechanic starting out A unit on a lease, with staff

There is no universally right answer. A solo mobile mechanic testing the water often starts as a sole trader and incorporates later. Someone taking a lease on a unit and hiring staff usually goes limited from day one for the liability protection alone. The official comparison and registration routes are on the gov.uk guide to setting up a business, and it is worth a short conversation with an accountant before you commit, because switching later is more hassle than choosing well now.

Premises and equipment basics

Your premises decision drives almost everything else: your rent, your rates, your insurance, and your capacity. A few practical points that catch people out:

  • Planning use class. A workshop is not the same use class as retail or storage. Check with the local council that the unit has the right consent for vehicle repair before you sign anything; getting it changed afterwards is slow and not guaranteed.
  • Lease length and break clauses. A new garage is a risky tenant. Try to negotiate a break clause so you are not locked into five years if the location does not work.
  • Power and drainage. Two-post lifts, compressors and welders often need three-phase power. Trade effluent rules and oil interceptors apply to the drains in a workshop, and both are expensive to retrofit, so confirm what the unit already has.
  • Waste. You become a waste producer the moment you generate waste oil, tyres, filters and old parts. You need a registered carrier to take them away and you must keep the transfer notes. The rules are set out in the gov.uk guide to dealing with business waste.

On equipment, resist the urge to buy everything new on finance before you have a single customer. The essentials are a vehicle lift or two, a compressor, a diagnostic scan tool, a tyre machine and balancer if you do tyres, basic hand and air tools, and a brake tester if you plan to MOT. Good used kit from a closing workshop is often a fraction of the new price and perfectly serviceable. Cash flow in year one is brutal, so keep the capital outlay tight.

The insurance you actually need

This is the part new owners skimp on and regret. The core cover for a garage is motor trade insurance, sometimes called a combined motor trade policy, and several parts of it are legally required rather than optional.

  • Public liability covers injury or damage to a member of the public or their property on your premises. A customer slips on a wet floor, you need this.
  • Employers' liability is legally required the moment you employ anyone, even part-time or casual. The minimum cover level is set by law and the penalties for not having it are steep.
  • Motor trade road risk lets you and your staff legally drive customers' vehicles, on the road and on the forecourt, for repair, testing and movement. Without it, every road test is uninsured.
  • Combined cover and tools adds your stock, equipment, premises and, importantly, customers' vehicles in your custody. A fire or break-in that destroys several customers' cars will end an underinsured garage overnight.

Get quotes from brokers who specialise in the motor trade rather than a generic business insurer, because the policies are genuinely different. The Health and Safety Executive sets out the employers' liability insurance rules, and they are worth reading directly rather than taking a broker's word for the minimums.

Getting set up for MOT testing

MOT work is a steady, repeat revenue stream and a strong reason for customers to find you in the first place. It is also tightly regulated, so go in with realistic expectations.

To test, your premises must be approved as an MOT testing station by the DVSA, which means meeting specific requirements on bay dimensions, equipment (brake tester, headlamp aligner, emissions analyser and more) and signage. You then need at least one qualified, DVSA-authorised tester. Becoming a tester involves training and an assessment, and testers must keep their authorisation current through ongoing annual training and assessment.

It is not a same-week process and the equipment is a real capital cost, so many new garages open offering servicing and repairs first and add MOT testing once the cash flow and space are sorted. If you want to go straight for it, start with the official route on becoming an MOT station and tester and budget for the approval and equipment up front.

Once you are testing, the back office matters as much as the bay. Customers expect to be reminded when their MOT is due, and chasing that by hand does not scale. This is the kind of thing worth automating early, which is why we built MOT reminder software into Autera, and there is a fuller breakdown in our post on MOT reminders for UK garages.

Registering for tax and VAT

You will deal with HMRC whatever structure you choose; the shape of it depends on that choice. As a sole trader you register for Self Assessment and file a tax return each year. As a limited company you register for Corporation Tax, file company accounts and a company tax return, and run payroll if you take a salary or employ anyone.

VAT is the one people misjudge. You must register once your taxable turnover passes the registration threshold, and you can register voluntarily below it. For a garage this is a real decision, not a formality, because a lot of your customers are private individuals who cannot reclaim VAT, so adding it to their bill makes you look dearer. On the other hand, registering lets you reclaim VAT on parts, equipment and that expensive new lift. The current threshold and the registration process are on the gov.uk VAT registration page; because the threshold changes, check it there rather than relying on a number you half-remember.

Whatever you decide, keep your bookkeeping clean from day one. The garages that get a nasty surprise at year end are the ones that treated the bank balance as profit and forgot the tax sitting inside it.

Setting your labour rate

Your hourly labour rate is the single number that decides whether the business survives. Set it too low to "win local work" and you can be busy every day and still lose money.

The mistake is copying the garage down the road; their cost base is not yours. The rate you need is a function of your rent, wages, tooling, insurance, the wage you need to live on, and a sensible margin on top, divided by the hours you can realistically bill. New owners almost always overestimate how many hours a day are genuinely billable, because so much of the day disappears into quotes, parts ordering, phone calls and admin.

I am not going to repeat the full calculation here because we have a dedicated, worked-through guide. Read how much a UK independent garage should charge per hour in 2026 and run the numbers for your own unit before you print a price list. Do it once, properly, and revisit it every year.

The admin and software that stops you drowning

Here is the part nobody warns you about: the work is the easy bit. What sinks new garages is the volume of small administrative jobs that pile up once you have more than a handful of customers, such as writing quotes, ordering parts, raising invoices, chasing the ones that have not paid, booking the next job, reminding people about their MOT, and keeping records straight for the accountant. On paper or in a spreadsheet this is survivable for a month and miserable by month three. You end up doing the admin at 9pm after a ten-hour day on the tools, and things slip: invoices go out late so cash comes in late, reminders do not get sent so repeat work does not come back.

A few systems make the difference between control and chaos:

  • A booking and job system so the diary is not a wall calendar and a memory.
  • Fast invoicing with payment built in. Getting paid the same day, ideally by card before the car leaves, is the cleanest fix for cash flow there is. Our garage invoicing software is built around exactly this, and there is a deeper guide in our UK garage invoicing guide.
  • Automated reminders for MOT and service due dates, so repeat revenue is automatic rather than something you have to remember.
  • Reg lookups so you are not typing vehicle details by hand. Free DVLA lookups pull the make, model and key dates from the number plate in seconds.

This is the role a proper garage management software platform plays: it is the back office you would otherwise have to be, so you can stay on the tools. Autera bundles the diary, quoting, invoicing with same-day card payment, MOT reminders, digital vehicle health checks and a customer portal in one place, with native iOS and Android apps so you can run it from the workshop floor. The Solo plan is free forever, a sensible place for a brand-new garage to start, and you can see the full pricing before you commit to anything.

Being honest about the hard parts

None of the above is the truly hard part. The hard part is the first year of cash flow, when you have spent on equipment and rent and the customer base is still building. It is the week your best technician hands in their notice, the customer who disputes a bill, the supplier who shorts you on parts, the quiet January when the phone does not ring.

You get through it by keeping fixed costs lower than feels comfortable, pricing properly from the start, getting paid quickly, and not letting the admin grow into a second full-time job. Most garages that fail did not fail at the spanner work; they failed at the business around it. Get the structure, the insurance, the tax and the systems right early, and you give yourself the one thing every new garage actually needs: the runway to get good and get known before the money runs out.

Starting out and want the back office sorted from day one? Autera's Solo plan is free forever. Start free, no card needed, or book a demo to see how it fits your workshop.


About Autera

Autera is garage management software built specifically for UK independent garages. Quote, invoice and get paid same day, with live DVLA lookup and ADAS calibration certificates. See pricing or book a 30-minute demo.

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