A lot of small business stories sound the same. Sales finally pick up, the bank balance looks healthier, and then someone mentions the UK VAT registration threshold. The mood changes from proud to nervous in one short phone call with an accountant or a client.
As of 1 April 2024, and still in 2026, the UK VAT registration threshold is £90,000 of taxable turnover in a rolling 12‑month period. That one number decides when a business must start charging VAT and filing VAT returns. No wonder it feels like a cliff edge for sole traders and small companies.
This guide walks through the threshold in plain English. It explains what VAT taxable turnover means, when the law says a business must register, what counts towards the limit, and what to do next. Clarity Accounts works with UK small businesses on VAT every week, and this article follows the same clear, calm style clients get from us.
“VAT registration is not just a tax formality; it is a line in the sand for how a business operates and prices its services.”
Key Takeaways
Before diving into the detail, it helps to see the main points in one place. These notes give a quick view of how the UK VAT registration threshold affects a growing business.
- The UK VAT registration threshold is £90,000 of taxable turnover, based on a rolling 12‑month total. There is also a deregistration limit at £88,000 if sales fall. These two numbers set the basic rules for when VAT starts and when it can stop.
- A business must look at two tests, not just year‑end figures. One test looks back over the last 12 months, and one looks forward over the next 30 days. Both can trigger VAT registration, and late action can mean back‑dated VAT and penalties.
- Correct turnover figures depend on clean, current books. Good bookkeeping shows how close a business is to the UK VAT registration threshold at any time. Clarity Accounts gives that ongoing visibility through monthly support and the Clarity Portal, so there are no last‑minute surprises.
What Is The UK VAT Registration Threshold In 2026?

The UK VAT registration threshold in 2026 is £90,000 of VAT taxable turnover. This is the same figure that came in on 1 April 2024, when it rose from £85,000 after seven years at the old level. For many business owners, that change still feels recent, which is why there is some confusion around the current limit.
Taxable turnover means the total value of everything a business sells that is subject to VAT at any rate. That includes standard‑rated, reduced‑rated, and zero‑rated sales. It does not include sales that are VAT exempt, and it is not the same as profit or cash in the bank.
There is also a VAT deregistration threshold at £88,000. If a VAT‑registered business expects its taxable turnover to fall below this figure, it can ask HMRC to cancel the VAT registration. That can help if sales drop or if the business changes direction.
HMRC guidance explains that you must register when your VAT taxable turnover goes over the registration threshold in a 12‑month period.
Compared with many other countries, the UK threshold is high. It is higher than the limit in any EU member state and sits near the top of the range across the OECD. Research providing evidence on productivity growth from VAT data suggests that where a business sits relative to this threshold has real implications for growth decisions. For small UK businesses, that means there is a fair amount of space to grow before VAT becomes mandatory.
Key points to remember:
- The registration threshold is £90,000 of taxable turnover. This figure applies in 2026 and came in from April 2024. It is the main number most owners watch.
- The deregistration threshold is £88,000 of taxable turnover. A business below this level can ask to cancel its VAT registration. HMRC has to agree before VAT stops.
- Both thresholds use a rolling 12‑month period. Each new month pushes out the oldest one. It is not based on the tax year or the company year.
When Do You Need To Register For VAT?
The law does not wait for year‑end accounts. A business must register for VAT as soon as it meets one of two tests that use the UK VAT registration threshold. One test looks backwards over past sales, and the other looks forwards at expected income.
The Backward‑Looking Test

The backward‑looking test uses a rolling 12‑month total. If taxable turnover goes over £90,000 in any 12 months, the business must act. There are 30 days from the end of the month in which the threshold is passed to send the registration to HMRC. The VAT registration then starts from the first day of the second month after the month of crossing the line.
In practice, this means:
- At the end of each month, add up taxable turnover for the last 12 months.
- If the total is more than £90,000, note the month in which this first happened.
- Submit the VAT registration to HMRC within 30 days of the end of that month.
For example, imagine turnover for the 12 months to 15 July comes to £100,000 for the first time. July is the month when the threshold is passed. The business must apply for VAT registration by 30 August. The effective date of registration is 1 September, and VAT must be charged from that date.
The Forward‑Looking Test
The forward‑looking test is stricter. If there are reasonable grounds to believe taxable turnover will be more than £90,000 in the next 30 days alone, the business must register. The registration application must reach HMRC by the end of that 30‑day period. In this case, the registration date is the day the owner first realised the threshold would be passed.
Take a simple example. On 1 May, a contractor signs a new job worth £100,000, with work and payment due within the month. On that day, they know the UK VAT registration threshold will be crossed in the next 30 days. They must register by 30 May, and the effective date is 1 May.
If registration is late under either test, HMRC will still expect VAT from the correct start date. Penalties can also apply, based on how much VAT is owed and how long the delay lasts — and the Impact of Penalty Reform on VAT-registered businesses shows that these changes have had a measurable effect on compliance behaviour across UK small businesses. This is why regular checks of rolling turnover through the year matter far more than one quick look at year‑end. Some businesses also choose voluntary VAT registration before they hit the limit, which the FAQs cover in more detail.
What Counts Towards Your VAT Taxable Turnover?

Many owners assume only 20 per cent VAT sales count towards the UK VAT registration threshold. In fact, most taxable income adds to the total, even when the VAT rate is lower or zero. Missing items from the calculation is one of the most common reasons for late VAT registration.
Items that count towards taxable turnover fall into several groups:
- Standard‑rated, reduced‑rated, or zero‑rated sales all add to the total. This covers normal sales at 20 per cent, such as most services, as well as items at 5 per cent, like home energy, and zero‑rated items such as most food, books, and children’s clothes. The VAT charged may be different, but the sales value still counts.
- Goods that a business hires or loans to customers are part of taxable turnover. The same is true when business stock is used for private reasons, such as using company materials for work at home. HMRC sees these as taxable supplies, even if no normal invoice goes out.
- Goods that are bartered, part‑exchanged, or given as gifts also count. The value used is the normal selling price, not zero. Giving away items as a promotion can still move a business closer to the threshold.
- Certain services received from other countries add to taxable turnover as well. This includes services where the reverse charge rules apply, such as some digital or professional services from overseas suppliers. In some sectors, like construction, similar rules apply within the UK under the domestic reverse charge.
Some forms of income sit outside the calculation and do not move a business towards the UK VAT registration threshold:
- VAT‑exempt sales fall outside taxable turnover. This can include some financial services, many types of insurance, and certain education and training services. A business that only makes exempt supplies cannot register for VAT.
- Income that is out of scope of UK VAT also does not count. Common examples are wages, money paid in by the owner, and simple loans between a director and the company. These are not treated as supplies of goods or services.
Because the rules are detailed, it is easy to make mistakes when adding up turnover. Clean, up‑to‑date bookkeeping makes it far easier to see which sales count and which do not. The Foundations plan from Clarity Accounts gives sole traders and small businesses that regular support, so their taxable turnover and VAT position are clear every month.
“Good bookkeeping is the foundation of sound business decisions.” – Often repeated in accounting training, and just as true for VAT.
How Clarity Accounts Helps Small Businesses Stay On Top Of VAT

Keeping track of the UK VAT registration threshold while also running a business is not a small task. Owners try to serve clients, manage staff, and chase payments, and VAT rules quickly slide down the list. That is when quiet gaps in the records can turn into missed thresholds and stressful letters from HMRC.
Clarity Accounts offers a different way to handle this. Clients get a senior finance specialist on a monthly retainer, rather than a short meeting once a year. The person behind the service is Ivelina Nikolova, an AAT qualified, Xero and QuickBooks certified specialist with more than 20 years of hands‑on experience with UK SMEs.
For sole traders and non‑VAT‑registered businesses with up to 50 transactions each month, the Foundations plan keeps every receipt and invoice in order. That makes it easy to see how close the business is to the VAT line and plan ahead. For VAT‑registered businesses with 50–200 transactions, the Essentials plan adds quarterly VAT returns and CIS compliance as part of the regular service.
Every plan includes access to the Clarity Portal. This online dashboard shows key numbers in plain English, such as:
- Current turnover and how it compares with the VAT registration threshold
- VAT return status and due dates
- Cash flow figures
- Unpaid invoices and regular outgoings
There is no need to open accounting software or dig for reports. For anyone who wants help, it is easy to check pricing or book a short, free call to talk through VAT and bookkeeping needs.
Conclusion
The UK VAT registration threshold in 2026 sits at £90,000 of taxable turnover, with a deregistration level at £88,000. Registration can be triggered either by a rolling 12‑month total or by expected income in the next 30 days, so regular checks through the year are essential.
Good VAT decisions start with accurate records and clear information. Waiting until the business is already over the line can mean back‑dated VAT and pressure on cash. Clarity Accounts is ready to help small businesses keep their books straight and see their VAT position in good time, so they can move forward with confidence.
FAQs

Many small business owners have similar follow‑up questions once they learn the basics of the UK VAT registration threshold. These short answers cover the ones that come up most often.
Can I Register For VAT Voluntarily If I Am Below The £90,000 Threshold?
Yes, it is possible to register for VAT voluntarily even when turnover is below £90,000. The main benefit is the ability to reclaim VAT on business expenses and start‑up costs. Voluntary registration often makes sense if most customers are VAT‑registered themselves, such as other companies. It does bring extra admin, because VAT must be charged on taxable sales and VAT returns must be filed on time.
What Happens If I Register For VAT Late?
If registration is late, HMRC will still look at the date when the UK VAT registration threshold was first passed. VAT is then due on taxable sales from that earlier date, even if no VAT was charged on the invoices. HMRC can also add a penalty, based on how much VAT is owed and how long the delay lasts. Regular monthly checks of turnover can prevent this kind of problem.
Is The VAT Registration Threshold Likely To Change In 2026?
As of 2026, there is no confirmed change to the VAT registration threshold, so it remains at £90,000. The government can review the figure in future Budgets, so it may increase, fall, or stay the same over time. Following HMRC updates or working with a bookkeeper who keeps clients informed, such as Clarity Accounts, means any change will be spotted early and explained in plain English.
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