VAT Doesn’t Need To Be Confusing: Here’s What Every UK Business Owner Should Know
VAT feels complicated for a lot of business owners, but once you understand the basics it becomes much easier to manage. Whether you are VAT registered or nowhere near the threshold yet, having a clear understanding of how VAT works can save you stress, money, and potential penalties.
Here is a simple breakdown of what every UK business owner should know.
VAT Registration Isn’t Based on Tax Years
VAT becomes mandatory once your taxable turnover hits £90,000 in any rolling 12 month period.
This is where many people slip up. It is not:
Per tax year
Per calendar year
Or reset every January or April
It is rolling.
That means you must check your turnover every single month. If you pass the threshold without realising, HMRC can backdate your VAT registration which often results in unexpected tax bills.
Staying aware is essential.
The Main VAT Rates
The UK has three standard VAT rates:
20 percent (standard rate)
5 percent (reduced rate)
0 percent (zero rate)
There are also items that are VAT exempt completely.
Knowing which rate applies to your products or services is important because charging the wrong VAT rate can lead to errors on your VAT return and potential penalties.
Filing VAT Returns
If you are VAT registered, you will usually file a VAT return every quarter.
Under Making Tax Digital (MTD), you must keep digital records and use approved software for all VAT submissions. Tools like Xero, QuickBooks and other MTD ready systems make this straightforward and help you stay compliant.
Charging and Reclaiming VAT
Once you are VAT registered, you must:
Charge VAT correctly on your sales
Keep proper digital records
Understand what VAT you can reclaim
File your returns on time
Not all business expenses come with reclaimable VAT, so knowing the rules can prevent mistakes and help you maximise what you can claim.
If You’re Not VAT Registered Yet
Even if you are below the threshold, you should be tracking your turnover monthly. This helps you forecast when you might need to register and prevents getting caught off guard.
It also gives you time to plan:
How VAT will affect your pricing
Whether your customers can reclaim VAT
How it changes your cash flow
Whether it is worth registering voluntarily
For some businesses, registering early can improve professionalism and allow you to reclaim VAT on your costs. For others, it can reduce profit margins if your customers are not VAT registered.
VAT Schemes That Can Make Life Easier
HMRC offer several VAT schemes designed to simplify accounting or improve cash flow. These include:
Flat Rate Scheme
You pay a fixed percentage based on your industry instead of tracking VAT on each transaction.
Cash Accounting Scheme
You only pay VAT when you are paid, not when you issue an invoice. This is great for businesses with slow paying clients.
Annual Accounting Scheme
You file one VAT return a year and make monthly or quarterly payments toward your bill.
Choosing the right scheme can make VAT much easier to manage and can sometimes save you money.
The Bottom Line
VAT is just a system. Once you know how it works, it becomes much easier to manage and far less intimidating.
The key is to:
Track your turnover monthly
Understand the VAT rules for your industry
Use proper software
Keep digital records
Choose the right VAT scheme for your business
And if you are unsure whether you should register, how VAT affects your pricing, or which scheme suits you best, send me a message. I can walk you through everything and help you make the right decision for your business.
Meet Lewis
Lewis is a professional accountant and founder of Rhombus Accounting. He regularly shares his knowledge and best advice here on his blog and on other channels such as LinkedIn.
Book a call today to learn more about what Lewis and Rhombus Accounting can do for you.