Mateusz Korneliusz Grüner

age 44

Currently 11 roles in 8 KRS entities. In the KRS since 2006.

Roles

EntityRole
B-Social sp. z o.o.
  • Management Board Member
since Mar 27, 2023
Grüner Energy sp. z o.o.
  • President of the Management Board
  • Partner (69.29% of shares worth PLN 686,000)
since Apr 23, 2025
Niden Contracting sp. z o.o.
  • Management Board Member
  • Partner (75% of shares worth PLN 37,500)
since Oct 29, 2018
Niden Draft sp. z o.o.
  • Management Board Member
since Sep 28, 2018
Niden Holding sp. z o.o.
  • Management Board Member
  • Partner (76% of shares worth PLN 3,800)
since Sep 22, 2016

Connections graph

Change history

EventDetails
Business resumed

President of the Management Board, Partner

Grüner Energy sp. z o.o.
Company founded

Management Board Member

Niden Link sp. z o.o.
Appointed

President of the Management Board, Partner (70% of shares worth PLN 7,000)

Grüner Energy sp. z o.o.
Liquidation closed

Management Board Member

B-Social sp. z o.o.
Appointed

Management Board Member

B-Social sp. z o.o.
Role changed

Attorney-in-fact (sole (independent)) → Management Board Member

Niden Service sp. z o.o.
Appointed

Partner (76% of shares worth PLN 3,800)

Niden Holding sp. z o.o.
Appointed

Partner (75% of shares worth PLN 37,500)

Niden Contracting 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.

Signals in related entities

SignalEntities
Bankruptcy or restructuring
None
Liquidation
None
Sanctions list
None
Inactive entity
None

Connected people

Person
Emil Witold Czupajłoage 51
Błażej Wójcikage 45