Personal Investment Account (OKI) for business owners
See who can open OKI, how its exemptions and asset-value tax work, and what the rules mean for a person running a business in Poland.
AnalysisAugust 18, 2026
Analysis
KSeF analysis for companies and accountants: regulations, risks, implementation, invoice data and the business impact of e-invoicing.
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Free Invoicing Software for KSeF
Compare submission limits, retrieval, alerts, AI, workflows and team access in KSeF invoicing options available for PLN 0.
AnalysisAugust 14, 2026
Does a new payment due date require a corrective invoice in KSeF?
See when changing the payment date leads to a corrective invoice and why the tax interpretation of July 10, 2026 does not provide a completely unambiguous answer.
AnalysisAugust 13, 2026
What is ViDA and how does it affect Polish businesses?
Understand ViDA's three pillars, the timeline through 2035 and what a Polish business can do now without implementing unsettled rules.
AnalysisJuly 23, 2026
MPP on KSeF invoices after an individual interpretation
Analysis of the dispute over voluntary split payment in KSeF: where the technical invoice marking ends and the tax risk of overinterpretation begins.
AnalysisJuly 9, 2026
Zondacrypto scandal and KSeF - tax transparency 2026
What links the Zondacrypto collapse to KSeF? Analysis: DAC8, MiCA, PIT-38, and missing documentation. Lessons for crypto firms and accountants in 2026.
KSeFMay 12, 2026
KSeF is Just the Beginning. Why AI Will Change Your Accounting More Than e-Invoicing Itself
February 1, 2026 – this date has been stirring emotions for months. But is KSeF really the problem? Or is it an opportunity that most companies don't see?
AnalysisFebruary 15, 2026