What a SaaS or IT company must file in Poland in 2026
This profile assumes a small software or IT company that relies on cloud infrastructure, so it adds obligations aimed at digital and cloud-dependent businesses - the AI Act's transparency duties, NIS2 for critical digital infrastructure, cybersecurity requirements for software products - alongside the standard tax and reporting calendar. Your actual exposure depends on whether you build AI systems, handle personal data at scale, or count as an essential or important entity under NIS2, so treat this as a starting shortlist rather than a final answer.
This page assumes a specific starting profile: SaaS or IT company, in Poland. It's a starting point, not tailored advice - your actual obligations depend on your exact sector, turnover and how you operate.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.
From 1 October 2026, sole traders and other businesses registered in Poland's CEIDG (Central Registration and Information on Business) before 1 January 2025 must hold and use a registered electronic delivery (e-Doręczenia) address for official correspondence with public authorities, completing the phased rollout that already covers new CEIDG registrations, KRS-registered companies and public-trust professions.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.
From fiscal years starting after 31 December 2026, all remaining CIT taxpayers in Poland (those not already captured by the 2025 or 2026 phases) must keep their statutory accounting books in electronic form and submit them to the tax office in the JPK_KR_PD structured format, alongside the JPK_ST_KR fixed-asset register, completing the phased digitalisation of corporate accounting records.
From this date cloud and data-processing providers may no longer charge customers for switching to another provider or for exporting their data (egress). Contracts must already allow termination and migration within 30 days, and providers must offer export in machine-readable formats.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.
Entities operating an installation or other source that emits gases or other substances into the air (including company vehicle fleets and heating/generator sources above minimal thresholds) must report their prior-year emissions to KOBiZE's national database (Krajowa baza o emisjach) by the end of February.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.
Poland CIT taxpayers with a calendar financial year must file their annual CIT-8 corporate income tax return within 3 months of financial year-end - 31 March for a standard 1 January-31 December year - reconciling the year's CIT advances against the final liability.
Entities that use the environment in a way requiring a fee (e.g. emissions from company vehicles, water abstraction, or waste storage) must calculate and pay the annual environmental-use fee to the relevant marshal's office (Urząd Marszałkowski) by 31 March, covering the prior calendar year. A de-minimis exemption applies below a small annual fee threshold.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
Poland-registered companies must prepare their annual financial statements, have them approved by shareholders within 6 months of financial year-end, and then file the approved statements free of charge to the National Court Register (KRS) via the Repozytorium Dokumentów Finansowych (RDF) within 15 days of approval. For a calendar financial year that means approval by 30 June and filing by 15 July.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.
Employers must submit the ZUS settlement declaration (ZUS DRA) together with personal monthly reports (ZUS RCA/RSA/RPA), and pay social and health insurance contributions for the reporting month, by a deadline that depends on the payer's legal form: the 15th of the following month for payers with legal personality (e.g. sp. z o.o.), the 20th for other payers (sole traders, personal partnerships), and the 5th for budget units.
CIT taxpayers must calculate and pay a monthly advance on corporate income tax by the 20th of the following month. Small taxpayers (mali podatnicy, turnover up to EUR 2 million) may instead elect quarterly advances, due by the 20th of the month after each quarter, provided they notify the choice via their annual CIT return.
VAT-registered businesses in Poland must submit the JPK_V7M structured VAT records-and-declaration file and pay any VAT due by the 25th of the month following the settlement period. Small taxpayers may instead settle quarterly as JPK_V7K, though the records portion is still sent every month.