What is the main business of SJ Construction?

The main business activity of SJ Construction focuses on specialised design activities.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on October 9, 2014.

Where is the headquarters located?

The headquarters is located at: Staromiejska 1, 11-700 Mrągowo.

Who is on the management board?

The management board consists of: Zbigniew Jurek (Vice President of the Management Board) and Tomasz Sobiechowski (President of the Management Board).

What is the share capital?

The share capital of the company is PLN 765,000 (approx. $206,645).

What period do the latest financial data cover?

The latest available financial statement covers the period from January 1, 2025 to December 31, 2025.

SJ Constructionsp. z o.o.

Specialised design activities

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2014-10-09

Share capital

765 000,00 PLN

Activity description

SJ Construction Sp. z o.o. designs, prefabricates and installs complete technological lines and industrial plants on a turnkey basis. The company also provides service and consulting for optimizing and automating production processes. Its work covers sectors such as energy, food processing, animal by-product processing and civil engineering.

Registered address

Staromiejska 1, 11-700 Mrągowo, Poland

Website

sjconstruction.pl

Phone

Social media

Electronic delivery address

AE:PL-51566-55457-GUEEW-19

Financials

The financial statement for 2025 has not yet been filed with the Financial Document Repository (past deadline).

Revenue history (in k)

Data and insights are generated automatically based on financial statements and may contain errors. This analysis is for informational purposes only and does not constitute an official assessment of the company's credibility or business advice.

Statistics

How the company ranks by revenue within its industry, region and across Poland in 2024.

Results vs industry

Revenue

This companyUSD 2.44mMedianUSD 73.81kAverageUSD 3.14m

Net profit

This companyUSD 21.24kMedianUSD 1.55kAverageUSD -224.73k

Operating costs

This companyUSD 2.42mMedianUSD 62.99kAverageUSD 800.81k

Assets

This companyUSD 1.56mMedianUSD 50.25kAverageUSD 2.15m

Industry

Bank accounts

Registered as a VAT taxpayer on 2014-10-18. Active

Bank spółdzielczy
47 8838 0005 2001 0103 8580 0001
ING Bank Śląski
49 1050 1764 1000 0090 3283 2009
Erste Bank Polska
65 1090 2718 0000 0001 2417 3686

Debt

No entries in the National Debtors Register (KRZ). No proceedings in KRZ

Public aid

9 public aid cases recorded, with a total value of $68,818.

Grant date	Purpose	Gross amount	Granting body
Mar 21, 2025	De minimis aid (in accordance with Commission Regulation 2023/2831)	$1,500$1,500	Prezes Banku Gospodarstwa Krajowego
Dec 23, 2022	De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier)	$25,921$25,921	Prezes Banku Gospodarstwa Krajowego
Sep 14, 2022	De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier)	$10,368$10,368	Prezes Banku Gospodarstwa Krajowego

Tenders

1 tender recorded as contractor, with a total value of $57,003.

Publication date	Subject	Amount	Contracting authority
Apr 3, 2024	Modernizacja układu odbioru pofermentu ciekłego z reaktora fermentacji	$57,003$57,003	Master Odpady i Energia

Regulatory authorisations

Authority	Type	Status
BDO	BDO register entry	Active

Authorized Representatives

Zbigniew Jurek — Vice President of the Management Board

Tomasz Sobiechowski — President of the Management Board

Manner of representation

Each member of the management board is authorised to represent the company independently.

Ownership

Owner	Shares	Share value	Stake
Zbigniew Jurek (44)	7,650	$103,322.53	50%
Tomasz Sobiechowski (51)	7,650	$103,322.53	50%

Beneficial owners

Person	Rights
Zbigniew Jurek (44)	Shareholder of a limited liability company, 382500.0 PLN
Tomasz Sobiechowski (51)	Shareholder of a limited liability company, 382500.0 PLN

Competitors

Name	Revenue	Website
Kuszasp. z o.o.	$5,789,761.86	kusza.eu
Showstak Investment Groupsp. z o.o.	$1,085,335.71	showstak.eu
Saautsp. z o.o.	$852,854.13	saaut.com
AS4Isp. z o.o.	$291,947.00	as4i.pl
Pro-Technicsp. z o.o.	$302,199.47	pro-technic.pl

Change history

Date	Event
2020-12-21	Share capital change (5,000.00 PLN → 765,000.00 PLN)
2020-09-30	PKD change (Removed: 22.21.Z, 22.22.Z, 22.23.Z, 22.29.Z, 25.12.Z, 25.21.Z, 25.30.Z, 25.50.Z, 25.61.Z, 25.62.Z, 25.91.Z, 25.92.Z, 28.12.Z, 28.13.Z, 28.21.Z, 28.96.Z, 33.11.Z, 33.12.Z, 33.13.Z, 33.14.Z, 33.17.Z, 33.19.Z, 35.30.Z, 37.00.Z, 38.11.Z, 38.32.Z, 39.00.Z, 41.10.Z, 41.20.Z, 42.11.Z, 42.12.Z, 42.13.Z, 42.21.Z, 42.22.Z, 42.91.Z, 42.99.Z, 43.11.Z, 43.12.Z, 43.13.Z, 43.21.Z, 43.29.Z, 43.31.Z, 43.32.Z, 43.33.Z, 43.34.Z, 43.91.Z, 43.99.Z, 45.11.Z, 45.19.Z, 46.12.Z, 46.13.Z, 46.14.Z, 46.15.Z, 46.52.Z, 46.61.Z, 46.63.Z, 46.71.Z, 46.73.Z, 46.74.Z, 46.75.Z, 46.76.Z, 46.90.Z, 47.99.Z, 49.41.Z, 52.21.Z, 62.02.Z, 62.03.Z, 62.09.Z, 63.11.Z, 63.12.Z, 63.91.Z, 63.99.Z, 64.92.Z, 64.99.Z, 68.10.Z, 68.20.Z, 68.31.Z, 68.32.Z, 70.21.Z, 70.22.Z, 71.12.Z, 71.20.B, 72.11.Z, 72.19.Z, 73.20.Z, 74.30.Z, 74.90.Z, 77.40.Z, 81.21.Z, 81.22.Z, 81.29.Z, 81.30.Z, 82.11.Z, 82.19.Z, 82.99.Z, 84.13.Z, 95.12.Z, 95.21.Z)
2014-10-09	Entered in the register

FAQ

Last updated: 2026-07-23