Sierantsp. z o.o.

Manufacture of aluminium products and aluminium alloys

KRS: NIP: REGON:

Overview

Status
Active
Registry date
2026-10-01
Share capital
100,000.00 PLN
Activity description

Sierant was founded in 1984 in Piotrków Trybunalski by Stanisław and Aldona Sierant. For 30 years, the company has specialized in producing and selling window shading systems, including facade blinds, aluminium, wooden and bamboo horizontal blinds, external roller shutters and insect screens, as well as providing advice and installation.

Registered address
ul. Kwiatowa 22, 97-300 Piotrków Trybunalski, Poland
Website
Phone

Offer

  • External venetian blinds
  • Aluminium blinds
  • Wooden blinds
  • Bamboo blinds
  • External roller shutters
  • Insect screens
  • Window covering installation

Website technology

Website
  • WordPress

Public procurement

Sierant is the contractor in 4 public sector contracts, worth USD 70.89 in total. They were signed with 4 public buyers.

SubjectAmount
Zakup materiałów do katalogowania edukacyjnych zbiorów bibliotecznych
$24.71
Brackets for wooden blinds for DPS
$10.54
Roller blind spring
$8.50

Authorized Representatives

Łukasz Sierant Oliwa – Management Board Member
Radosław Sierant – President of the Management Board

Manner of representation

In the case of a one-person management board, the member of the management board makes declarations on behalf of the company. In the case of a management board consisting of two or more persons, joint action by two members of the management board or by one member of the management board jointly with a commercial proxy is required to make declarations on behalf of the company.

Ownership

OwnerSharesShare valueStake
Aldona Sierantage 67
500$6,753.1125%
Radosław Sierantage 50
400$5,402.4920%
Stanisław Sierantage 73
600$8,103.7330%
Katarzyna Sierant Oliwaage 46
400$5,402.4920%
Others
100$1,350.625%

Stanisław Sierant, Aldona Sierant and Radosław Sierant hold a combined 75% – the ownership structure indicates family control.

Beneficial owners

Person

Bank accounts

Registered as a VAT taxpayer on 1993-07-05.

Debt

No entries in the National Debtors Register (KRZ).

Public aid

32 public aid cases recorded, with a total value of $1,025,527.

PurposeGross amount
De minimis aid (in accordance with Commission Regulation 2023/2831)
–
De minimis aid (in accordance with Commission Regulation 2023/2831)
–
De minimis aid (in accordance with Commission Regulation 2023/2831)
–

European Funds

ProjectEU co-financing
Implementation of an innovative façade blind for self-assembly based on R&D results
$429.8K
Implementation in production of an external venetian blind with an innovative top box in the MKS system for self-assembly, with improved thermal properties
$176.2K
Increasing the international market recognition of the Sierant brand
$9,647

Regulatory authorisations

AuthorityTypeStatus
BDO register entry Active

Competitors

Name
Ecoprof Radosław Sidorowiczsp. k.
Komsta Stolarka Aluminiowasp. z o.o.
Budtrans Systemy Aluminiowesp. z o.o.
Jkaluminiumsp. z o.o.
Sobrimasp. z o.o.
Vobitechsp. z o.o.
Stryjeks Aluminiumsp. z o.o.
Alustal Systemsp. z o.o.
Silesia Balustradysp. z o.o.

FAQ

Last updated: 2026-10-20