What is the main business of SIW C1?

The main business activity of SIW C1 focuses on buying and selling of own real estate.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on December 16, 2021.

Where is the headquarters located?

The headquarters is located at: Aleja "Solidarności" 75, 00-090 Warszawa.

Who is on the management board?

The management board includes Piotr Miłak (Member of the Management Board).

What is the share capital?

The share capital of the company is PLN 5,000 (approx. $1,351).

What period do the latest financial data cover?

The latest available financial statement covers the period from January 1, 2024 to December 31, 2024.

What revenue was generated?

The company reported a revenue of $19,638 in 2024.

No, the company recorded a net loss of $394,562 in 2024. For comparison, in 2023 the loss was $3,106, representing a multi-fold increase in the loss compared to 2023.

What is the largest operating cost?

The largest operating cost category falls under external services. This category amounted to $2,067 in 2024, representing 100% of all operating expenses.

SIW C1sp. z o.o.

Buying and selling of own real estate

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2021-12-16

Share capital

5 000,00 PLN

Registered address

Aleja "Solidarności" 75/26, 00-090 Warszawa, Poland

Electronic delivery address

AE:PL-33674-74217-RHUGD-17

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 19.64kMedianUSD 78.40kAverageUSD 777.49k

Net profit

This companyUSD -394.56kMedianUSD -42.12AverageUSD 31.40k

Operating costs

This companyUSD 2.07kMedianUSD 52.93kAverageUSD 554.62k

Assets

This companyUSD 20.40kMedianUSD 410.88kAverageUSD 4.64m

Industry

Debt

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

Public aid

No public aid cases recorded in the last 10 years.

Tenders

No recorded participation in tenders.

Authorized Representatives

Elisabeth Lürenbaum – Management Board Member

Piotr Miłak – Management Board Member

Manner of representation

The following are authorized to make declarations of will on behalf of the company: a) in the case of a one-person management board, a member of the management board independently; b) in the case of a multi-member management board, two members of the management board jointly or one member of the management board jointly with a commercial proxy.

Ownership

Owner	Shares	Share value	Stake
Elisabeth Lürenbaum	80	$1,080.50	80%
Czesław Sadkowski (52)	20	$270.12	20%

Beneficial owners

Person	Rights

Subsidiaries

	Name	Share value	Stake
	Solvachemsp. z o.o.	810,642.90 USD	100%

Competitors

Name	Revenue	Website
Rostek Investmentssp. z o.o.	$28,173.80	rostek.international
MP Projekt DevelopmentS.K.A.	$27,563.23	mpprojekt.com.pl
Everton Housesp. z o.o.	$27,031.04	evertonhouse.pl
Rybicka Developmentsp. z o.o.	$24,923.53	rybickadevelopment.pl
KDP 3sp. z o.o. + limited partnership	$20,563.58	kdpgroup.pl
Slusarczyk.Plsp. z o.o.	$20,794.29	slusarczyk.pl
Uprimosp. z o.o.	$19,312.15	uprimo.pl
PM Hus Investmentsp. z o.o.	$18,920.06	husdevelopment.pl
HUS Investmentssp. z o.o.	$15,573.04	husdevelopment.pl
MK ConstructionS.K.A.	$11,896.21	zielonaopacz.pl

FAQ

Last updated: 2026-04-09