VAT services explained: Compliance made simple

by | Aug 19, 2025

VAT compliance has become far more complex than most business owners realise. What used to be straightforward – adding 20% to invoices and filing quarterly returns – now involves registration decisions, scheme choices, and digital compliance requirements that can trip up even experienced businesses.

Many businesses struggle with determining when to register, identifying which schemes offer the most savings, and avoiding penalties that can escalate quickly.

The rules change regularly, and mistakes can be costly, both in terms of penalties and missed opportunities.

Professional VAT services cut through this mess. Instead of tussling with regulations that change constantly, experienced specialists handle compliance while you focus on what matters – growing your business.

When you must register for VAT

VAT registration is mandatory once your business reaches the £90,000 VAT threshold for taxable sales in any rolling 12-month period.

Once you cross £90,000, you have exactly 30 days from the end of that month to register with HMRC. So if you hit £90,000 on 15 March, you must register by 30 April. Miss this deadline and you face penalties, plus having to pay VAT backdated to when you should have registered.

If you can see that you’ll definitely cross £90,000 in the next 30 days, you must register immediately. This catches many people off guard, as a single large contract can immediately push you across the threshold.

Voluntary registration benefits

You can also choose to register for VAT even if your turnover is below £90,000, which benefits some businesses situationally. When you’re VAT-registered, you charge VAT to your customers, but you can also claim back VAT on your business purchases. If you buy a lot of equipment, materials, or services that have VAT on them, registration lets you reclaim all that VAT.

Voluntary registration works well for:

  • Businesses buying expensive equipment or machinery
  • Companies with high material costs (construction, manufacturing)
  • Service businesses spending heavily on software and technology
  • Start-ups making large initial investments in tools and equipment
  • Businesses selling mainly to other VAT-registered companies

The caveat: you’ll have to charge VAT to your customers, which will make your prices 20% higher. If you sell to other businesses, they can usually reclaim this VAT themselves. If you sell to consumers, they pay the full 20% more, which can hurt your competitiveness.

VAT schemes that save money

Standard VAT accounting involves tracking every purchase and sale separately, calculating VAT on each transaction, and maintaining detailed records for a period of six years. However, HMRC offers simpler alternatives that can save time and money:

Flat Rate Scheme

The Flat Rate Scheme allows you to pay a fixed percentage of your total turnover instead of calculating VAT on every transaction.

This works out cheaper if you don’t purchase many items or services that are subject to VAT. Service businesses with low material costs often save money this way, including:

  • Consultants and professional services
  • Software developers and designers
  • Training and coaching businesses
  • Marketing agencies with low material costs

Annual Accounting

Annual Accounting switches you from quarterly to yearly VAT returns. You make estimated payments throughout the year based on last year’s liability, then settle up at the end. This reduces paperwork and helps with cash flow planning.

Cash Accounting

Cash Accounting helps businesses with slow-paying customers. Instead of owing HMRC VAT as soon as you send an invoice, you only pay VAT after customers actually pay you. This prevents cash flow problems where you owe tax on money you haven’t received yet.

Making Tax Digital requirements

Making Tax Digital means you must keep digital records and submit VAT returns using special software that connects directly to HMRC. This became mandatory for all VAT-registered businesses from April 2022.

Your records must flow digitally from your bookkeeping right through to HMRC. If you copy figures manually from one system to another – even typing numbers from a spreadsheet into different software – you break the digital link.

HMRC wants to see an unbroken digital chain. Your invoicing software connects to your accounting software. Your accounting software connects directly to HMRC. No manual copying allowed anywhere in the process.

Most cloud accounting packages, such as Xero, QuickBooks, and Sage, meet these requirements automatically. You can also use “bridging software” that connects spreadsheets to HMRC, but this adds complexity.

VAT returns and penalties

VAT returns are due one month and seven days after the end of each quarter. Most businesses file on the 7th of May, August, November, and February. You must both submit the return and pay any VAT owed by these dates.

Common errors that trigger penalties include:

  • Claiming VAT on personal expenses mixed with business costs
  • Treating exempt supplies (like insurance) as if they have VAT on them
  • Getting partial exemption calculations wrong for mixed businesses
  • Missing the digital submission requirements

Late filing penalties start at £200 for your first offence, but they escalate quickly for repeat offenders. HMRC introduced a points-based penalty system where each late submission earns you penalty points. Accumulate enough points and the penalties become much more expensive, with percentage-based charges added on top of the fixed amounts.

Get professional help with VAT

Professional VAT services provide expertise, accuracy, and peace of mind in an increasingly complex area. Rather than struggling with rules that change regularly, experienced advisors ensure compliance while identifying opportunities to reduce your VAT costs.

At Cottons, we handle VAT compliance from registration decisions through ongoing returns and dispute resolution. Our team ensures you meet all obligations while minimising your VAT liability.

Ready to simplify your VAT compliance? Contact Cottons today to discover how professional VAT services protect your business.

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