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GuidesFinance

Finance

Articles on loans, taxes, ZUS contributions and personal finance for individuals and sole traders. Compare taxation forms, calculate loan instalments and learn about health insurance rules — practical explanations with calculators for every topic.

Guide topics

Creditworthiness

What affects creditworthiness, how to improve it and what banks check before granting a loan.

5 Articles

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Accounting for small businesses in Poland - key services

Learn how effective accounting for small businesses in Poland supports growth. Explore bookkeeping services, tax advisory and optimization.

Podatki→

CIT in Poland 2026: rates, thresholds and rules

CIT 2026 in Poland: 19% and 9% rates, the 2 млн euro threshold and key settlement rules.

Podatki→

Verification activities — what they are and how they proceed

Explain verification activities: purpose, typical requests, taxpayer rights and when it turns into a control.

Podatki→

Customs and tax control — scope and process

Key facts about customs and tax control: who conducts it, what it covers and the rights of the controlled entity.

Podatki→

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Related legal specializations

Browse legal specializations related to the most common user cases.

Tax lawCommercial lawInsolvency and restructuring
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Related accounting services

Compare accounting firms and services useful after calculating taxes, contributions, business costs and salaries.

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FAQ

Frequently asked questions

Answers to the most common questions about using legal and financial guides — Finance.

Practical explanations covering loans, leasing, taxes, ZUS contributions, interest and taxation forms for sole traders. Each guide includes step descriptions, costs and calculators.

Compare: progressive scale (12%/32%), flat tax (19%) and lump-sum. The taxation comparison calculator helps pick the most favourable option for your income and costs.

Interest on a rental mortgage can be deducted from income. For a residential purchase — no deduction applies. The guide describes the rules in detail.

In the prawopro.pl accounting directory you will find specialists in taxes, payroll, ZUS and sole trader support — by location and specialisation.

Taxes

Taxes for entrepreneurs and individuals — PIT, VAT, flat-rate tax, tax scale and reliefs.

35 Articles

Inflation

What inflation is, how it affects savings and loans, and how to protect your finances during high-price periods.

4 Articles

Loans

Personal, consolidation and revolving loans — interest rates, APR, fees and how to compare offers.

4 Articles

Car leasing

Operating and financial car leasing — costs, VAT and tax deductions and how to choose an offer.

9 Articles

Interest

Statutory, maximum and late-payment interest — how to calculate, when to charge and how to claim payment.

6 Articles

Tax inspection — process and taxpayer rights

Guide to tax inspection: initiation, course, taxpayer rights and obligations, and possible outcomes.

Podatki→

Tax audit — process, rights and duties

Practical overview of a tax audit: what it means, how it proceeds and what rights you have.

Podatki→

Fixed‑asset amortization — rules and rates

What can be amortized, which methods and rates apply and how to record deductions.

Podatki→

Debt consolidation — how it works and when it pays off

Debt consolidation: when it lowers monthly payments and when it increases total cost. Checklist, examples and key risks.

Kredyty→

Loan consolidation — when it pays off

Online and non‑bank loan consolidation: costs, risks, requirements and examples. See when it makes sense.

Kredyty→

Loan refinancing — when it makes sense and what it costs

Loan and payday‑loan refinancing: when it helps and when it only increases cost. Comparison with consolidation and alternatives.

Kredyty→

50% tax‑deductible costs — when and how to apply

When 50% KUP can be applied, which income qualifies, how to document copyright and keep within limits.

Podatki→

BIK and creditworthiness — how history affects scoring

BIK vs creditworthiness: what lowers it and how to build a positive history.

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50% tax‑deductible costs — when and how to applyFixed‑asset amortization — rules and ratesBIK and creditworthiness — how history affects scoringVerification activities — what they are and how they proceedRevenue register on lump‑sum — how to keep itInflation and wages — impact on pay
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