The most important changes in regulations, tax tips and news from our office.
Our clients can now use LinTax Cloud, our in-house portal for issuing invoices, viewing tax returns and ZUS settlements and communicating with the office. See what it does and how to get started.
Learn more →With the KSeF transition period over, invoice corrections follow new rules: no correction notes, no agreement documentation and a clear VAT timing. A step-by-step guide.
Learn more →The draft 2027 budget brings a new minimum wage, higher ZUS contributions and new tax thresholds. Here is what businesses should plan for before the end of 2026.
Learn more →The Polish government has decided: the minimum wage will rise to PLN 4,950 gross in 2027, and the projected average salary to PLN 9,971. This means another increase in social security contributions for entrepreneurs — over PLN 1,350 per year.
Learn more →Under mandatory KSeF, invoices no longer arrive by e-mail — only persons and entities with granted permissions can access them. We explain how to authorise your accounting office and employees in the KSeF 2.0 Taxpayer Application and when the ZAW-FA form is needed.
Learn more →The KSeF certificate is an electronic proof of identity in Poland's National e-Invoicing System. It is required for issuing invoices in offline24 and emergency modes, and from 1 January 2027 it will replace authorisation tokens. We explain how to generate one in the KSeF 2.0 Taxpayer Application.
Learn more →Mandatory e-invoicing via KSeF already applies to all VAT taxpayers, but transitional rules remain in force until the end of 2026. From 1 January 2027, penalties for errors take effect, the smallest businesses join the system, and the KSeF number must be included in payments.
Learn more →Poland's National e-Invoicing System (KSeF) became mandatory in February and April 2026, but the real test is still ahead. The transition period ends on 31 December 2026 — from 2027, penalties apply, the KSeF number becomes mandatory in payments, and the smallest businesses join the system.
Learn more →The government has presented its minimum wage proposal for 2027. We examine how the change will affect employment costs, the minimum hourly rate, preferential contributions and benefits linked to the minimum wage.
Learn more →The family foundation has become a permanent fixture in Polish business succession. We explain how it works, its tax advantages, the cost of setting one up, and what to watch out for after recent interpretation changes.
Learn more →Paying to an account outside the VAT white list or skipping mandatory split payment can cost you tax-deductible expenses and joint liability. We recap contractor verification rules and the limits applicable in 2026.
Learn more →A seasonal drop in orders or a longer trip are common reasons to suspend a sole proprietorship. We explain how to suspend a business in CEIDG, what happens to contributions and health insurance, and which tax obligations remain despite suspension.
Learn more →Private rental income is taxed under the mandatory lump-sum regime — 8.5% up to PLN 100k and 12.5% above. We explain what counts as the tax base, how spouses settle, and when rental becomes a business activity.
Learn more →By 30 June 2026 companies must approve their financial statements for 2025 and file them with the National Court Register within 15 days. We recap the timeline, required documents and consequences of delay.
Learn more →Summer is peak season for hiring temporary workers, students and minors. We explain which contract to choose, when ZUS contributions do not apply, and what obligations an employer has when hiring underage workers.
Learn more →After several months of mandatory KSeF we know which situations cause companies the most trouble. We explain how offline24 mode works, what to do during system outages and how invoicing consumer sales looks in practice.
Learn more →More and more companies opt for the lump-sum tax on corporate income, known as Estonian CIT. We look at the entry conditions, the real effective tax burden and the situations where this regime brings the biggest benefits in 2026.
Learn more →Every sole trader registered in CEIDG can once a year benefit from an exemption from social security contributions. We explain who qualifies, how to apply, and what to keep in mind when planning your contribution holiday in 2026.
Learn more →R&D relief and IP Box are the two most important instruments supporting innovation in the Polish tax system. See what changed in 2026 and how to use them correctly.
Learn more →Remote work has become standard in many companies, but its tax treatment is still unclear. We explain the rules for allowances, lump-sum reimbursements, and what employees and B2B contractors can claim.
Learn more →Two months have passed since mandatory KSeF was introduced. We summarize how the system performs in practice, what fixes the Ministry of Finance has rolled out, and what to watch for in the coming months.
Learn more →The PIT 2025 filing season ended on April 30. We outline the most common mistakes we saw in this year's returns and explain how to file a proper correction.
Learn more →An amendment to the Accounting Act narrows the CSRD reporting obligation. Check whether your company still needs to prepare a sustainability statement.
Learn more →The Minister of Finance issued a general interpretation on tax advisor professional secrecy in MDR reporting. See what it means and what broader changes are coming in July 2026.
Learn more →Starting a business in 2026? Check what grants, tax reliefs, and ZUS preferences are available for new entrepreneurs.
Learn more →JPK_CIT is a new electronic tax reporting obligation. Check who it affects in 2026 and what data must be submitted.
Learn more →Two weeks left until the April 30 deadline. Here's what you shouldn't forget when filing your PIT return for 2025.
Learn more →New health insurance contribution rules for entrepreneurs take effect in 2026. Check how much you'll pay and what your options are.
Learn more →Two weeks into mandatory KSeF, recurring invoice errors have emerged. We show how to identify and properly correct them in the system.
Learn more →2026 brings further labour law changes — from remote work regulations to new documentation requirements. Check what employers need to know.
Learn more →April 2026 brings significant VAT changes — from new rates to simplified reporting. Check what's changing and how it affects your business.
Learn more →The 2025 PIT filing season is underway. Check the key changes in forms and deadlines, and what to watch out for this year.
Learn more →One month into mandatory KSeF — we summarize the most common issues businesses face and offer practical solutions.
Learn more →From today, the National e-Invoice System (KSeF) is mandatory for all active VAT taxpayers in Poland. Learn what changes and how to prepare.
Learn more →The deadline for the 2025 PIT tax return is approaching. Check key deadlines, new deductions and changes that may affect your tax refund.
Learn more →A comprehensive overview of the most important tax deductions available in your 2025 PIT return. Child tax credit, internet deduction, rehabilitation relief, IKZE, charitable donations, thermal modernization, and more.
Learn more →The deadline for filing your 2025 PIT return is April 30, 2026. Find out which form you need, what documents to prepare, and which deductions you can claim. A practical guide for employees and entrepreneurs.
Learn more →The Standard Audit File (JPK) is mandatory for every VAT taxpayer in Poland. JPK errors can lead to tax office inquiries and fines up to PLN 2,800. Learn about the 8 most common errors and how to avoid them.
Learn more →A complete 2026 tax calendar with key deadlines for entrepreneurs. Filing dates for PIT, CIT, VAT, JPK, ZUS, and more. Never miss a deadline again.
Learn more →A comparison of sole proprietorship (JDG) and limited liability company (sp. z o.o.) in Poland - differences in taxes, social insurance, liability, and operating costs in 2026.
Learn more →A practical guide to starting a business in Poland in 2026 - from CEIDG registration, through ZUS and VAT, to choosing an accounting firm.
Learn more →An overview of accounting service prices in Poland in 2026 - from simplified bookkeeping to full accounting. How much does an accounting firm cost and what affects the price?
Learn more →From January 1, 2026, JPK CIT reporting obligations have been extended to most CIT taxpayers. The first reporting deadline has been moved from March to July 2026. Check if your business is affected by the new rules.
Learn more →President Karol Nawrocki vetoed two tax bills that would have raised alcohol excise by 15% and increased the sugar levy. The decision has significant consequences for the state budget and consumers' wallets.
Learn more →New JPK_V7M(3) and JPK_V7K(3) schemas have been in effect since 1 February 2026. We compiled current links to XSD files, example XMLs and the official documentation describing all structure elements.
Learn more →From April 1, 2026, Poland's National e-Invoice System (KSeF) becomes mandatory for most VAT taxpayers. Learn who is affected, what exceptions apply, and how to prepare.
Learn more →In just a few weeks, KSeF becomes mandatory for all active VAT taxpayers. Check what you need to prepare, exceptions, and how to avoid penalties.
Learn more →From 1 January 2026, new three-tier car depreciation limits apply. The limit for combustion engine cars dropped from PLN 150k to 100k.
Learn more →Complete overview of all 10 flat-rate tax brackets for 2026 with PKD code mapping and updated health insurance contributions.
Learn more →We are intensively working on our own KSeF client implementation. We explain why we chose a custom solution and what benefits it will bring to our clients.
Learn more →Mandatory KSeF has been live since 1 February. We summarize first experiences, common issues and our recommendations.
Learn more →The PIT filing season for 2025 has started. Check new forms, deadlines and key changes.
Learn more →The National e-Invoice System becomes mandatory. We present the implementation timeline, technical requirements and practical tips for entrepreneurs.
Learn more →The new tax year brings significant income tax changes. Check what's changing in thresholds, reliefs and rates.
Learn more →From the new year, VAT exemption thresholds and intra-Community transaction rules are changing.
Learn more →The Ministry of Finance announced a new mandatory KSeF implementation timeline. Check the current dates and what it means for your business.
Learn more →From 2025, CIT taxpayers must submit new JPK structures. We explain the data scope and deadlines.
Learn more →Another VAT simplification package comes into effect. We discuss the key changes making life easier for entrepreneurs.
Learn more →A new PIT settlement method allows small businesses to pay tax only after receiving payment. Check the conditions.
Learn more →Poland implements the EU directive on global minimum tax. We explain who it affects and its consequences.
Learn more →The Ministry of Finance has launched the KSeF 2.0 test environment. We advise how to effectively test integration.
Learn more →From 2025, the health insurance contribution calculation method changes for flat-tax and lump-sum taxpayers.
Learn more →The e-Delivery system becomes mandatory. We explain who must have an electronic delivery address and when.
Learn more →The Minister of Finance officially confirmed the postponement of mandatory KSeF. We present the details.
Learn more →The Ministry of Infrastructure raised the rates per 1 km for private vehicles used for business purposes.
Learn more →Summary of the most important tax changes effective from 2024 and a calendar of key deadlines.
Learn more →In January 2024, the Minister of Finance announced a halt to mandatory KSeF planned for July 2024.
Learn more →Transfer pricing documentation obligations are changing. New thresholds, deadlines and reporting scope.
Learn more →From 2025, cash registers must be integrated with payment terminals. We explain the new obligations.
Learn more →The National e-Invoice System will become mandatory from 1 July 2024. We present an action plan for businesses.
Learn more →The SLIM VAT 3 package has been in effect since 1 July 2023. We discuss the key VAT simplifications.
Learn more →A new version of the JPK_VAT structure introduces additional fields and codes. Check what changes in reporting.
Learn more →The lump-sum tax on company income (Estonian CIT) is growing in popularity. We discuss rules, benefits and pitfalls.
Learn more →The minimum corporate income tax was suspended until end of 2024. Check the new rules from 2025.
Learn more →From January 2023, related entities can form VAT groups. We explain the rules and benefits.
Learn more →From 2022, entrepreneurs using cash registers must accept cashless payments.
Learn more →The government fixes the Polish Deal. From July 2022: lower PIT rate, elimination of middle-class relief and other corrections.
Learn more →The Polish Deal introduces significant transfer pricing documentation changes. New thresholds, deadlines and obligations.
Learn more →The government introduces an anti-inflation shield with reduced VAT rates. Check which products are covered.
Learn more →The National e-Invoice System has launched voluntarily. We explain how it works and why it's worth starting early.
Learn more →From January 2022, the Polish Deal takes effect — the biggest tax reform in years. We discuss key changes.
Learn more →New withholding tax collection rules take effect. We discuss the pay and refund mechanism and payer obligations.
Learn more →The second VAT simplification package takes effect from October 2021. An overview of the most important changes.
Learn more →More industries must replace cash registers with online ones. Check the timeline and obligations.
Learn more →The Ministry of Finance announces the National e-Invoice System. We explain the concept and planned timeline.
Learn more →The new JPK_VAT replaces the previous VAT-7 declaration. We discuss the structure and common mistakes.
Learn more →The first SLIM VAT package introduces simplifications in invoicing, corrections and VAT settlements.
Learn more →