Maciej Mielczarek

age 39

Currently 9 roles in 5 KRS entities. In the KRS since 2022.

Roles

EntityRole
Bronx sp. z o.o.
  • Management Board Member
  • Partner (100% of shares worth PLN 10,000)
since Feb 17, 2023
Spine sp. z o.o.
  • Management Board Member
  • Partner (50% of shares worth PLN 2,500)
since Aug 29, 2022
Spineteam sp. z o.o.
  • Management Board Member
  • Partner (20% of shares worth PLN 1,000)
since Oct 31, 2025
Sprawni.Pl sp. z o.o.
  • Management Board Member
  • Partner (50% of shares worth PLN 2,500)
since Mar 6, 2023
Fundacja Instytut Neurochirurgii Spine
  • Supervisory Board Member
since Jun 16, 2023

Connections graph

Change history

EventDetails
Company founded

Management Board Member, Partner (20% of shares worth PLN 1,000)

Spineteam sp. z o.o.
Left

Management Board Member, Partner (50% of shares worth PLN 2,500)

Opti Brave sp. z o.o.
Business suspended

Management Board Member, Partner

Bronx sp. z o.o.
Shareholding changed

Partner: 50% of shares worth PLN 5,000 → 100% of shares worth PLN 10,000

Bronx sp. z o.o.
Foundation established

Supervisory Board Member

Fundacja Instytut Neurochirurgii Spine
Company founded

Management Board Member, Partner (50% of shares worth PLN 2,500)

Opti Brave sp. z o.o.
Company founded

Management Board Member, Partner (50% of shares worth PLN 2,500)

Sprawni.Pl sp. z o.o.
Company founded

Management Board Member, Partner (50% of shares worth PLN 5,000)

Bronx sp. z o.o.

Business scale

Total for the entities where the person sat on the management board or held shares, for the years in office.

Risk signals

SignalDetails
Politically exposed person (PEP)
None
Person on a sanctions list
None
Bankruptcy or restructuring
None
Liquidation
None
Sanctions list
None
Inactive entity
None

Connected people

Person
Mateusz Tadeusz Szylbergage 40
Józef Aleszczykage 65
Bartosz Piotr Zielińskiage 39
Jakub Łukasz Przybyłage 38
Karol Nowakage 42