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  • Księgowość
  • Kadry i Płace
  • accounting
  • accounting

    KSeF 2.0 Error Codes – List of Errors, HTTP Statuses, and Responses

    Aider Poland

    19.06.2026

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  • Kadry i Płace

    The most common errors detected by Social Security - how does an accounting office help with an audit?

    Aider Poland

    21.05.2026

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    woman in the office
  • accounting

    How to correct financial statements? Error correction and auditing of reports

    Aider Poland

    19.05.2026

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  • ZUS audit step by step - the course of the audit

    Aider Poland

    17.05.2026

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  • accounting

    Cash method versus accrual method - differences in VAT and PIT 2026

    Aider Poland

    13.05.2026

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  • Cadastral tax - what is it, how much is it and who will pay in Poland?

    Aider Poland

    04.05.2026

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  • The role of regular training in professional development

    Katarzyna Doktór

    24.03.2026

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  • Księgowość

    Changes to the Gift and Inheritance Tax from 2026 – Amendment of the Act and a Second Chance for Taxpayers

    Marta Oziemblewska

    11.02.2026

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  • Voluntary Disclosure to the Tax Office

    Maciej Smogorzewski

    10.02.2026

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  • Kadry i Płace

    50% Tax-Deductible Costs: Tax Optimisation in IT

    Marta Oziemblewska

    05.02.2026

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  • Kadry i Płace

    What Penalties Can ZUS Impose? New fines

    Marta Oziemblewska

    04.02.2026

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  • Recognition of Corrective Invoices in JPK

    Anna Wikło

    30.01.2026

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