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Employment contract, mandate contract or B2B?

Compare forms of employment: employment contract, mandate contract and B2B (self-employment). Find out how much you will actually take home.

Zweryfikowano: 02.04.2026·Gov.pl — Forms of employment

Porównanie opcji

Income tax
Employment contract
12%/32% (progressive) — paid by employer
Mandate contract
12%/32% (progressive)
B2B (self-employment)
Lump sum / 19% flat / progressive (your choice)
ZUS contributions
Employment contract
Employee ~13.7% + employer ~20%
Mandate contract
Full contributions (unless student under 26)
B2B (self-employment)
Self-paid (~380–1,480 PLN/month)
Annual leave
Employment contract
20–26 days/year (paid)
Mandate contract
None (unless specified in contract)
B2B (self-employment)
None (must negotiate)
Sick leave
Employment contract
80% of salary (from day 1)
Mandate contract
Only if you pay sickness contribution
B2B (self-employment)
Only with voluntary sickness insurance (~55% of base)
Notice period
Employment contract
2 weeks – 3 months (depends on tenure)
Mandate contract
Per contract (often immediate)
B2B (self-employment)
Per contract (usually 1 month)
Invoicing
Employment contract
Not applicable
Mandate contract
Receipt
B2B (self-employment)
VAT invoice (or without VAT)
Net amount (approximate)
Employment contract
~71% of gross
Mandate contract
~72% of gross (with contributions) / ~88% (student)
B2B (self-employment)
~75–85% of gross (depends on tax form and ZUS)
Employment contract
Stability, legal protection, families
Mandate contract
Casual work, students, supplementary income
B2B (self-employment)
High rates (>12,000 PLN/month), low business costs

Podsumowanie

B2B makes financial sense at rates above ~12,000 PLN gross/month. Below that the difference is small, and an employment contract offers better protection. Mandate contract is best for students (no ZUS) and additional jobs.