How to verify a contractor in Poland?

Is your business partner trustworthy? Here’s how to verify a contractor in Poland

Before entering into any business relationship, it’s essential to verify the credibility of your potential partner. In Poland, there are several reliable ways to check whether a contractor is legitimate, solvent, and trustworthy.

Why verify a contractor?

Verifying your contractor helps you:

• Avoid fraud and financial losses
• Ensure timely payments and delivery
• Demonstrate due diligence to tax authorities
• Build long-term, secure business relationships

Where and how to check a contractor in Poland?

• If your commercial partner is a sole entrepreneur or a civil partnership: check CEIDG (Central Registration and Information on Business, ceidg.gov.pl), where you will verify the registration status, business activity, suspensions or bankruptcy
• If your commercial partner is a limited liability companies or other legal entity: check KRS (National Court Register, ekrs.ms.gov.pl), where you can verify company structure, board members, legal status, suspensions or bankruptcy

In both cases REGON Database (GUS) will provide you a statistical data on all registered businesses, which can be useful for confirming operational status and business classification.

White List of VAT Taxpayers – why is it so important?

This register helps you to check if the contractor is an active VAT payer. It also always includes bank account numbers for secure payments. Thanks to that you can check if the contractor is fulfilling the mayor obligations towards the state.

For more, check here: www.podatki.gov.pl/wykaz-podatnikow-vat

Other sources of information

If the scale of potenctial collaboration with client is big or there are some justified doubts regarding its ethics or financial statements, verification via paid services that reveal outstanding debts or payment issues may be justified. Use national debt registers, such as: BIG, KRD, ERIF.

Verify official financial statements of the company at the public register of annual financial statements:  https://ekrs.ms.gov.pl/rdf/pd/search_df

Ask the contractor for certificates confirming no arrears in social security or tax payments.

While not always reliable, reviews can offer insights into a company’s reliability and service quality – check online reviews and industry reputation.

Need help with due diligence of the contractor?

Our law firm offers professional contractor verification services. We analyze legal, financial, and reputational risks—so you can make informed decisions and protect your business.