Finance 4 min read

Should I Register for VAT?

Knowing when to register for VAT can save your business money and avoid penalties, understanding the £85,000 threshold is key to managing your finances effectively.

The 5-minute answer

You should register for VAT if your business’s taxable turnover exceeds £85,000 annually. Registering allows you to reclaim input VAT on purchases and can be beneficial if your customers are also VAT-registered. If your turnover is below the threshold, you can choose to register voluntarily, but this may not always be advantageous. Failing to register when you should can result in penalties.

Key takeaways
  • Register for VAT when your taxable turnover exceeds £85,000 annually.
  • VAT registration enables reclaiming input VAT on business expenses.
  • Consider your customer base; VAT may make you appear more expensive to non-VAT registered customers.
  • Failing to register when turnover exceeds £90,000 in the next 30 days can lead to penalties.

David runs a carpentry business in Bristol. He anticipates his turnover will exceed £85,000 in the next month.

  1. Current Situation: David's turnover for the last 12 months is £82,000, but he’s just secured a large contract worth £5,000, pushing his projected turnover above the £85,000 threshold.
  2. VAT Calculation: David estimates his annual input VAT on materials and tools is £10,000. If VAT registered, he can reclaim this.
  3. Administrative Costs: David estimates annual accounting and software costs for VAT compliance at £1,500.
  4. Pricing Impact: David’s average project cost is £500. Adding 20% VAT would increase this to £600. He estimates this might deter 5% of his non-VAT registered customers.
  5. Decision: David calculates that reclaiming £10,000 in VAT, minus the £1,500 admin costs, gives a net benefit of £98,500. He believes the benefits outweigh the potential loss of business from a small percentage of customers, and registers for VAT.
Facing a decision?
Is your taxable turnover above £85,000?
Yes
Register for VAT
No
Do not register unless voluntary

When is Register for VAT the Right Call for a UK SME?

The primary reason to register for VAT is when your business exceeds the current VAT threshold of £85,000 in a rolling 12-month period, or expects to exceed it in the next 30 days. Registration is mandatory once this threshold is reached. However, voluntary registration is an option even if your turnover is below this amount. This can be beneficial if your business purchases significant amounts of goods or services with VAT included. You can then reclaim this VAT, effectively reducing your costs. It's particularly useful if you supply most of your goods and services to other VAT-registered businesses.

The VAT registration threshold was frozen at £85,000 from April 2017 to March 2024, but has since increased. While the UK currently has the joint highest VAT registration threshold in the OECD, it’s important to monitor changes to the VAT Act 1994, as amendments are made regularly. Being aware of the rules and the current threshold is essential for financial planning and compliance.

What Are the Trade-offs of Registering for VAT?

Registering for VAT brings administrative burdens. You’ll need to keep detailed records of sales and purchases, calculate and submit VAT returns to HMRC, and potentially invest in accounting software or expertise. These administrative costs can be significant for a small business. A key consideration is the impact on pricing. If your customers are not VAT-registered, adding 20% VAT to your prices can make you appear more expensive compared to non-VAT registered competitors. This could affect your sales volume.

While you can reclaim VAT on purchases, this benefit only outweighs the administrative costs and potential price increases if your input VAT exceeds the administrative burden and price sensitivity. Carefully weigh these factors before deciding to register. The VAT registration process itself is straightforward, but ongoing compliance requires consistent effort and attention to detail.

What Should You Check Before Deciding on Registering for VAT?

Before registering for VAT, assess your customer base. The proportion of VAT-registered customers is crucial. If most of your customers can reclaim VAT, adding it to your prices won’t impact their purchasing decisions. However, if you primarily sell to consumers or non-VAT registered businesses, the price increase could deter sales. You must also consider your business’s administrative capacity. Do you have the resources to accurately track and report VAT?

Ensure you understand the rules around the rolling 12-month threshold. If your turnover is approaching £85,000, monitor it closely. Not registering when expected to exceed £90,000 in the next 30 days can lead to penalties. HMRC provides guidance on their website and through various resources. Seek professional advice if you’re unsure about any aspect of VAT registration.

What we'd actually do
Should I Register for VAT?

We recommend registering for VAT if your turnover exceeds £85,000 annually and you have a customer base that is also VAT-registered. This allows you to reclaim input VAT and maintain competitiveness in pricing. However, if your customers are primarily non-VAT registered, carefully weigh the administrative costs and potential price increases before making a decision. Voluntary registration should only be considered if the benefits of reclaiming input VAT outweigh the drawbacks.

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Read the transcript

Most business owners think VAT registration is simple: hit the threshold, register, move on. But the threshold is almost irrelevant. The real question is who your customers are.

First, the legal floor. According to GOV.UK, you must register for VAT when your rolling 12-month taxable turnover exceeds the current threshold. You also have to register if you reasonably expect to exceed it within the next 30 days. Miss either trigger and HMRC can charge you VAT backdated to the date you should have registered. That bill comes out of your margin, not from customers who have already paid. So the compliance deadline is not optional.

But once you know that, the more interesting question is whether you should register before you have to.

Here is the decision variable most people overlook: who is actually paying your invoices? If your customers are VAT-registered businesses, they can reclaim the VAT you charge them. So when you add VAT to your price, it is largely invisible to them. The gross price goes up, but their net cost stays roughly the same. That means early registration does not damage your competitiveness with those customers. But if your customers are end consumers, they cannot reclaim VAT. Every penny of it lands on them directly. You have two choices: absorb it yourself and take a margin hit, or pass it on and risk losing price-sensitive customers. Neither option is free. A freelance web developer selling to agencies faces a very different calculation than a florist selling to the public. Same threshold, completely different strategic impact. That is why your customer base is the real decision variable, not the number itself.

If you are mostly B2B with real input costs, voluntary registration is worth modelling. VAT is collected on behalf of HMRC and never actually belongs to you. But once registered, you can reclaim the VAT on your own purchases. If you are spending meaningfully on equipment, materials, or services, that reclaim can improve your cash position. Starling Bank illustrate this with a straightforward example: a business with significant costs can see a real profit improvement simply by reclaiming VAT on what it buys. But the trade-offs are real for every business. You will typically file quarterly VAT returns. There is admin overhead, even with accounting software. And cash flow timing matters: you collect VAT from customers and hold it until the return is due, which can create a false sense of liquidity. The risk is spending money that belongs to HMRC. So voluntary registration is not a free win. It is a trade-off worth calculating, not assuming.

Here is the rule of thumb. Start with your customer base. If most of your customers are VAT-registered businesses and you have meaningful input costs, model voluntary registration. The numbers may well work in your favour. If most of your customers are end consumers and your margins are tight, treat registration as a cost to plan for, not a benefit to chase. Either way, check the current threshold on GOV.UK before you decide, because the figure has changed before and can change again. And if the decision is material to your business, take it to an accountant rather than guessing. The calculation is straightforward, but the consequences of getting it wrong are not.

If that was of value, subscribe to the channel for one real business question answered every video. For the same clarity in writing, the website and newsletter is at www.fiveminutebusiness.com.

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