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Michael Miernik
February 19, 2026
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What is the Public Assistance Data Sharing System (SUDOP)?

SUDOP (Public Aid Data Sharing System) is a nationwide database maintained by the Office of Competition and Consumer Protection on aid measures implemented in Poland and on public and de minimis aid granted to entrepreneurs.

In practice, it is a search engine that allows you to check, among other things, the total amount of support received, the type of assistance, and the program from which the funds originate.

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What is de minimis aid?

De minimis aid is a special type of public aid which, due to its low value, is not considered to distort competition in the EU internal market. Therefore, it can be granted in a simplified manner, without the need to notify the European Commission each time.


In practice, this means that a single entrepreneur may receive a total of up to EUR 200,000 in de minimis aid over a period of three consecutive tax years (in some sectors, the limit is different). The limit includes all forms of support, such as grants, interest subsidies, guarantees, and tax relief.

The information published in SUDOP comes from reports submitted to the Office of Competition and Consumer Protection (UOKiK) by entities granting aid on the basis of the Act on proceedings in matters concerning public aid.

This means that the database is fed directly by the institutions providing support—e.g., ministries, local governments, or funds—and the data is updated on an ongoing basis in accordance with reporting obligations.

What data does SUDOP contain?

SUDOP collects information on three main areas: aid measures implemented, aid granted under these measures, and all public and de minimis aid granted to specific beneficiaries.

The database includes, among other things:

  • information on aid measures – reference number of the measure, type of measure (e.g., aid program), name of the program, entity granting the aid, duration of the measure, legal basis, form of aid, purpose, sector of activity or territorial area (e.g., municipality code),
  • information on the aid granted – amount of aid (in PLN and as gross grant equivalent), type and form of aid (grant, loan, guarantee, tax relief, etc.), aid intensity, date of granting, purpose of support, number of the aid program/measure,
  • beneficiary data – tax identification number (NIP) or statistical number (REGON), name of the entrepreneur, registered office (city, municipality), sector of activity; in reports, beneficiaries can be filtered by identifiers, type of aid, or territorial area,
  • information on de minimis aid —including data allowing for an assessment of how much of the de minimis limit has already been used by the entrepreneur, which is crucial when applying for further support.

These data cover a wide range of forms of public aid outside the agriculture and fisheries sectors, which are reported in separate systems.

Uses of data from SUDOP

Data from SUDOP has both operational and analytical applications. These may include, for example:

  • checking de minimis aid limits – verifying how much support the entrepreneur has already received under this regime and whether further funding would exceed the limit,
  • verification of beneficiary statements – comparison of the entrepreneur's declaration with the aid actually recorded in the database (e.g., when applying for a new grant or loan),
  • assessment of the risk and credibility of the counterparty – checking whether the company has received assistance in a difficult situation, how much support it has received, and from which programs,
  • preparation of applications for public aid – identification of previous forms of support for a given entrepreneur or project, which is necessary when determining the intensity of aid,
  • industry and territorial analyses – research into which sectors, regions, or types of companies most often use specific support instruments,
  • monitoring the use of funds from government and EU programs – checking how funds are distributed under specific programs, e.g., anti-crisis shields.

These data allow us to look at entrepreneurs not only through the prism of their structure and debt, but also in terms of the level of public support they have received.

Who uses SUDOP data most often?

Some user groups use SUDOP particularly intensively.

These include:

  • accounting offices and tax advisors – to verify the de minimis aid limit and the completeness of data in applications for support,
  • institutions granting public aid (e.g., funds, local governments, agencies) – to check whether the new aid will exceed the permissible limits and whether it complies with the regulations,
  • banks, leasing companies, and other financial institutions – in risk analysis and in assessing whether a customer is overly dependent on public support,
  • entrepreneurs and their finance departments – to monitor the history of aid received and plan subsequent applications for support,
  • law firms and consulting companies – in restructuring processes, due diligence, and disputes concerning the correctness of aid granted,
  • control institutions and administrative bodies – in monitoring the compliance of the public aid system with EU and national law.

Accessing SUDOP data: manually or via API?

SUDOP is available free of charge and without logging in from a web browser at https://sudop.uokik.gov.pl. Manual access works well for individual checks, such as verifying a specific customer from time to time.

The Office of Competition and Consumer Protection (UOKiK) provides public access to the SUDOP API, described on the office's website and at dane.gov.pl. However, due to the limits on the number of queries, it is worth considering using the SUDOP API module as part of the Public Registers API from MGBI.

SUDOP API from MGBI – what can you gain?

If you are looking for a proven tool for integration with registry data, it is worth checking out the product Public Registers API from MGBI. It is a comprehensive service that allows you to download data from many sources, including SUDOP.

The SUDOP API module allows you to search for information about current and historical aid measures by the beneficiaries' NIP, REGON, or KRS numbers.

Since we update our copy of the register daily with all the latest information on new cases of public aid, we can provide our customers with access to the complete SUDOP database without any restrictions on the number of queries or interruptions due to technical work or failures on the part of the source register.

Summary – Public Assistance Data Sharing System

SUDOP is a key database on public aid and de minimis aid granted to entrepreneurs in Poland—it contains information on aid measures, amounts of support, forms of aid, and beneficiaries.

This data allows for the control of aid limits, verification of the credibility of contractors, and planning of subsequent applications for support in a manner consistent with EU and national law.

Using data via API eliminates manual work, speeds up searches, and enables constant monitoring in your systems (CRM/ERP), which reduces the risk of oversights and shortens response times.

Would you like to automate access to SUDOP?

Check out the SUDOP module as part of the Public Registers API from MGBI.