What is the main business of SIT Developer?

The main business activity of SIT Developer focuses on construction of residential buildings.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on April 24, 2025.

Where is the headquarters located?

The headquarters is located at: ul. Krucza 18, 86-031 Myślęcinek.

Who is on the management board?

The management board consists of: Aleksandra Sowa Trzebińska (Member of the Management Board) and Jakub Hubert Trzebiński (President of the Management Board).

What is the share capital?

The share capital of the company is PLN 10,000 (approx. $2,701).

What period do the latest financial data cover?

The latest available financial statement covers the period from April 24, 2025 to December 31, 2025.

What revenue was generated?

The company reported a revenue of $511,121 in 2025.

Is the company profitable?

Yes, in 2025 the company achieved a net profit of $17,186.

What is the main operating cost?

The largest operating cost category falls under materials and energy. This category amounted to $487,861 in 2025, representing 99% of all operating expenses.

SIT Developersp. z o.o.

Construction of residential buildings

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2025-04-24

Share capital

10,000.00 PLN

Registered address

ul. Krucza 18, 86-031 Myślęcinek, Poland

Financials

From the notes

Current income tax (CIT due)

$1,700

Filing timeliness

The financial statement for 2025 was filed on time.

202519/06/2026

Filed on timeDelayFiling deadline

Data and insights are generated automatically from financial statements – they may contain errors and are neither a credit assessment nor business advice.

Statistics

How the company ranks by revenue within its industry, city, voivodeship and across Poland in 2025.

Industry · Construction of residential buildings591 / 1,839

Top 32%

Division · Construction of buildings845 / 2,362

Top 36%

Sector · Construction7,700 / 17,117

Top 45%

Voivodeship · Kujawsko-Pomorskie4,884 / 11,480

Top 43%

Country · Poland121,906 / 297,873

Top 41%

Results vs industry

Revenue

This companyUSD 511.12kMedianUSD 151.98kAverageUSD 2.18m

Net profit

This companyUSD 17.19kMedianUSD 2.27kAverageUSD 191.09k

Operating costs

This companyUSD 492.24kMedianUSD 124.20kAverageUSD 1.88m

Assets

This companyUSD 725.63kMedianUSD 276.29kAverageUSD 3.04m

Industry

Construction of residential buildings (41.00.A)Primary
Construction of buildings (41.0)
Demolition and site preparation (43.1)

Authorized Representatives

Aleksandra Sowa Trzebińska – Management Board Member

Jakub Hubert Trzebiński – President of the Management Board

Manner of representation

Each member of the management board is authorized to make declarations on behalf of the company independently.

Ownership

Owner	Shares	Share value	Stake
Aleksandra Sowa Trzebińskaage 38	50	$1,350.62	50%
Jakub Hubert Trzebińskiage 41	50	$1,350.62	50%

Aleksandra Sowa Trzebińska and Jakub Hubert Trzebiński hold a combined 100% – the ownership structure indicates family control.

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2025-06-01.

mBank
42 1140 2088 0000 7672 3800 1001

Debt

No entries in the National Debtors Register (KRZ).

Public aid

No public aid cases recorded in the last 10 years.

Competitors

Name	Revenue	Website
DB6sp. z o.o.	$968,200.78	db6.pl
PIROsp. z o.o.	$615,235.75	pirodom.com.pl
Trisirissp. z o.o.	$336,147.06	trisiris.pl
Północna Polanasp. z o.o.	$216,026.89	polnocnapolana.pl
Dream Investsp. z o.o.	$94,220.40	dreaminvest.pl
KD Solideasp. z o.o.	$78,010.87	kdsolidea.pl
Instaltechsp. z o.o.	$20,059.27	instaltech.wloclawek.pl
ASK Premium Developmentsp. z o.o.	$317.86	epicselling.pl
Yourjobs.Plsp. z o.o.	$0.00	yourjobs.pl
Ergo-Domsp. z o.o.	–	ergo-dom.pl

FAQ

Last updated: 2026-06-19