If you work with companies, issue invoices, or plan to register for VAT, the topic of taxpayer status comes up very quickly. And that’s a good thing—because it affects not only tax settlements but also the security of your transactions.

In practice, many problems (such as inability to deduct VAT or risk of penalties) result from failing to verify a contractor. That’s why an active VAT taxpayer is not just a formality, but a real element of business control.

Key takeaways:

• An active VAT taxpayer is a company registered for VAT and actively settling tax.
• VAT status can be checked online using a tax identification number (NIP).
• VAT verification helps avoid issues with tax deduction and joint liability.
• VAT status may change, so it should be checked before each transaction.
• In Poland, several verification tools are available, including VAT registers.

What does it mean to be an active VAT taxpayer?

It means the business is registered with the tax office and accounts for VAT on sales. It can also deduct VAT from purchases. An active VAT taxpayer has submitted the VAT-R form and is listed in the official register. This status allows issuing VAT invoices and deducting input tax.

For contractors, it signals a “tax-safe” transaction. If you buy from a non-active VAT taxpayer, you may not be able to deduct VAT.

What is the VAT register?

It is a public list maintained by the tax administration containing:

• active VAT taxpayers,
• deregistered entities,
• VAT-exempt entities.

How to check VAT status step by step?

All you need is a NIP number.

Steps:

• enter the contractor’s NIP,
• check status (active, exempt, removed),
• verify company data,
• save the result (PDF or screenshot).

When is VAT verification necessary?

Always before a transaction, especially for:

• new contractors,
• high-value transactions,
• high-risk industries,
• unusual payment terms.

What does VAT verification involve?

It includes checking:

• company name,
• address,
• bank account,
• VAT history.

Does verification protect you?

Yes—if done regularly and documented. It helps:

• confirm legality,
• secure VAT deduction rights,
• avoid joint liability,
• prove due diligence.

VAT rates in Poland

• 23% – standard
• 8% – reduced
• 5% – food
• 0% – exports

Can VAT status change?

Yes. A company can lose its active status, so regular checks are essential.

FAQ

Is checking mandatory?
Not always, but it’s standard practice.

How often?
Before each transaction.

Does it work for foreign companies?
Yes, using systems like VIES.