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Topics:Law — Child supportReal estate — MortgageFinance — CreditworthinessReal estate — Property saleReal estate — RentFinance — TaxesReal estate — ApartmentEmployment — B2BEmployment — Sad pracyFinance — InflationFinance — APR (RRSO)Employment — Employee costEmployment — DismissalFinance — Car leasingFinance — LoansFinance — Interest
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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.

Finance

BIK and creditworthiness — how history affects scoring

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

Finance

Gross to net — how to calculate salary step by step

How to convert gross to net: ZUS, health contribution, PIT and costs. A clear step‑by‑step method and common mistakes.

Work

Gifts and reserved portion — impact on calculation

How gifts change the reserved portion, which transfers are included and how to document them. Practical guide with examples.

Law

Revenue register on lump‑sum — how to keep it

The revenue register is the foundation of lump‑sum. What it must include, how to split rates and how to avoid mistakes.

Finance

Inflation and wages — impact on pay

How inflation affects wages, minimum pay and unemployment.

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Law — OC compensation
Law — Contracts
Law — Inheritance and gifts
Law — Companies
Law — Divorce
Employment — Leave
Employment — Salary
Employment — Contracts
Employment — Employment contract
Finance

Inflation — what it is and how it works

What inflation is, how it is measured and why it affects prices.

Finance

How to calculate lump‑sum tax — step by step

How to calculate lump‑sum tax on recorded revenue: rate, revenue, advances and annual settlement. Simple steps and common errors.

Finance

When net pay changes — key factors

What actually changes take‑home pay: tax thresholds, reliefs, ZUS, contract changes and limits. Practical guide.

Work

Contract of mandate cost — how to calculate and what affects it

Cost of a mandate contract for the client and net pay for the contractor: ZUS, tax, minimum hourly rate and practical examples.

Work

Tax‑deductible costs (KUP) — rules and practice

What KUP are, when fixed, 20% or 50% costs apply, and how to avoid errors in tax settlement.

Finance

KUP and commuting — when travel affects costs

When commuting allows increased KUP, which conditions apply and what documents are needed.

Finance

Choose a law firm for your case

Compare firms by specialization, city, and ratings. You contact the selected firm directly.

  • Lex Biz Kancelaria

    Krakow5.0 (1 review)

    Obsluga JDG i spolek: umowy, podatki, kontrole, sprawy pracownicze.

    Practice areasLabor lawTax law
  • Tax Guard

    Poznan5.0 (1 review)

    Doradztwo podatkowe i legal support dla biznesu: VAT, CIT, kontrole, umowy B2B.

    Practice areasTax lawBusiness law
  • Kancelaria Alfa

    Warszawa5.0 (1 review)

    Sprawy rodzinne i cywilne: rozwod, alimenty, podzial majatku, reprezentacja w sadzie.

    Practice areasFamily lawCivil law
    AddressRegulska 40
  • Nieruchomosci Partner

    Gdansk5.0 (1 review)

    Zakup i sprzedaz nieruchomosci, umowy deweloperskie, najem, spory o nieruchomosci.

    Practice areasCivil lawReal estate law
  • Familia Law

    Wroclaw5.0 (1 review)

    Prawo rodzinne i pracownicze, w tym sprawy cudzoziemcow pracujacych w Polsce.

    Practice areasFamily lawLabor law
Open law firms directory

Choose a law firm for your case

Compare firms by specialization, city, and ratings. You contact the selected firm directly.

Kancelaria Alfa

Warszawa5.0 (1 review)

Sprawy rodzinne i cywilne: rozwod, alimenty, podzial majatku, reprezentacja w sadzie.

Practice areasFamily lawCivil law
AddressRegulska 40

Lex Biz Kancelaria

Krakow5.0 (1 review)

Obsluga JDG i spolek: umowy, podatki, kontrole, sprawy pracownicze.

Practice areasLabor lawTax law

Nieruchomosci Partner

Gdansk5.0 (1 review)

Zakup i sprzedaz nieruchomosci, umowy deweloperskie, najem, spory o nieruchomosci.

Practice areasCivil lawReal estate law

Tax Guard

Poznan5.0 (1 review)

Doradztwo podatkowe i legal support dla biznesu: VAT, CIT, kontrole, umowy B2B.

Practice areasTax lawBusiness law

Civil Pro

Lodz5.0 (1 review)

Spory cywilne, dochodzenie roszczen, umowy i sprawy mieszkaniowe.

Practice areasCivil lawReal estate law

Familia Law

Wroclaw5.0 (1 review)

Prawo rodzinne i pracownicze, w tym sprawy cudzoziemcow pracujacych w Polsce.

Practice areasFamily lawLabor law
Open law firms directory