How to Check if a Company Is VAT Registered

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To check if a company is VAT registered, ask for its VAT number first. Then use the official checker for the country that issued it.

For a UK business, use HMRC’s VAT number checker. For an EU business, use the European Commission’s VIES tool. Both checks can confirm whether a number is valid.

Save the result with the invoice date. This gives you a clear audit trail if a VAT dispute arises later.

What VAT registration means

VAT registration lets a business charge value added tax on taxable sales. It also lets the business reclaim VAT paid on eligible business costs.

Each VAT-registered business gets a unique VAT number within its country. The number helps tax offices link invoices, returns, and payments to the right business.

In the UK, a business must register when taxable turnover goes above £90,000 in any rolling 12-month period. A business can also register by choice below that level.

VAT registration does not prove that every charge on an invoice is correct. You must still check the rate, date, goods, and seller details.

Why check a company’s VAT status?

A VAT check protects your business from paying tax to the wrong seller. An invalid number can make a VAT charge unsafe to reclaim.

This matters most when an invoice includes a large VAT amount. For example, a £10,000 service invoice may include £2,000 VAT. A bad number could put that repayment claim at risk.

Businesses should also check suppliers before signing long contracts. A supplier may have changed its legal name, address, or VAT status since your last order.

• Confirm that the seller can charge VAT.
• Match the VAT number to the seller’s details.
• Keep proof of the check for your records.
• Reduce the risk of wrong VAT repayment claims.

How to check if a company is VAT registered

Start by checking the invoice or receipt. A registered business should usually show its VAT number on VAT invoices.

Do not rely on a number printed on a website alone. Copy it carefully, then check it through an official service.

1. Ask the supplier for its full legal name and VAT number.
2. Remove spaces only if the checker asks you to do so.
3. Select the country that issued the VAT number.
4. Run the number through HMRC or VIES.
5. Compare the result with the invoice and contract.
6. Save the confirmation, date, and reference number.

Some checkers show only limited business details. The result may not display a trading name or full address.

If the details do not match, pause the payment. Ask the supplier to explain the difference before you reclaim VAT.

Using the HMRC VAT number checker

The HMRC service checks UK VAT numbers. It can also match the number with the business name and address held by HMRC.

Use HMRC’s VAT number checker for a UK supplier. Enter the number without changing its country prefix. The service will show whether the number is valid.

Record the result after each check. HMRC may provide a reference number for the check. Keep that reference with the related invoice.

A valid result does not confirm that the invoice itself follows every VAT rule. It only supports the seller’s registration status at that time.

Using VIES for EU trade

VIES helps firms check VAT numbers used in trade within the European Union. It covers VAT numbers issued by EU member states.

Use the European Commission’s VIES checker when you buy from an EU supplier. Choose the supplier’s country, then enter its VAT number.

VIES may return a valid or invalid result. It may also show business details when the country allows that data to appear.

Keep the VIES result with your sales or purchase records. A saved check can help support your VAT treatment during an audit.

VIES can be busy or unavailable at times. Try again later if the service fails. Ask the supplier for fresh proof if the number stays unverified.

What if a company is not VAT registered?

A company not VAT registered cannot charge VAT on its sales. Its invoice should not add a separate VAT amount.

The company may still sell taxable goods or services. It simply does not collect VAT under the normal VAT scheme.

Check the invoice before making payment. Ask the supplier to remove VAT if its number is invalid or absent.

You should not reclaim a VAT amount that the supplier had no right to charge. Ask your tax adviser for help if you already claimed it.

Result	What it usually means
Valid UK number	The number appears on the HMRC register.
Valid EU number	VIES confirms the number for intra-EU trade.
Invalid number	Check the digits, country, and supplier details.
No VAT number	The seller may not be VAT registered.

Summary of the main verification methods

The safest way to check a company is VAT registered is to use an official country tool. Use HMRC for UK VAT numbers and VIES for EU numbers.

Always compare the result with the invoice and supplier details. A valid number supports your records, but it does not fix a wrong VAT rate.

If the number fails, do not reclaim the VAT until the issue is clear. Request a corrected invoice or written proof from the supplier.

These simple checks take minutes. They can prevent costly VAT errors later.