What is the main business of OST Group?

The main business activity of OST Group focuses on building works related to erection of residential and non-residential buildings.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on November 18, 2022.

Where is the headquarters located?

The headquarters is located at: Aleja Jana Pawła Ii 43A, 01-001 Warszawa.

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, 2025 to December 31, 2025.

What was the revenue?

In 2025, the company generated total revenue of $208,909, representing an increase of 108.7% compared to 2024.

Is the company profitable?

Yes, in 2025 the company was profitable, achieving a net profit of $37,039, meaning the company increased its profit by 82.3%.

Which cost dominates operating expenses?

The largest operating cost category falls under other operating costs. This category amounted to $113,557 in 2025, representing 68% of all operating expenses.

OST Groupsp. z o.o.

Building works related to erection of residential and non-residential buildings

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2022-11-18

Share capital

5,000.00 PLN

Registered address

Aleja Jana Pawła II 43A/37b, 01-001 Warszawa, Poland

Financials

Revenue history (in k)

From the notes

Profit allocation

Retained in reserve capital

Filing timeliness

Financial statements were filed on time, on average 14 days early.

202515/07/2026
202420/06/2025
202327/06/2024

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 · Building works related to erection of residential and non-residential buildings6,186 / 12,200

Top 51%

Division · Construction of buildings12,894 / 27,295

Top 47%

Sector · Construction14,312 / 30,480

Top 47%

City · Warszawa29,556 / 56,958

Top 52%

Voivodeship · Mazowieckie41,187 / 77,118

Top 53%

Country · Poland163,581 / 297,873

Top 55%

Results vs industry

Revenue

This companyUSD 208.91kMedianUSD 216.03kAverageUSD 1.91m

Net profit

This companyUSD 37.04kMedianUSD 6.06kAverageUSD 102.57k

Operating costs

This companyUSD 168.17kMedianUSD 184.30kAverageUSD 1.74m

Assets

This companyUSD 178.15kMedianUSD 320.30kAverageUSD 2.44m

Industry

Building works related to erection of residential and non-residential buildings (41.20.Z)Primary
Realization of building projects related to erection of buildings (41.10)
Cleaning activities (81.2)

Authorized Representatives

Jacek Artur Ostrowski – President of the Management Board

Sylwia Barbara Ostrowska – Management Board Member

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
Sylwia Barbara Ostrowskaage 47	30	$405.19	30%
Jacek Artur Ostrowskiage 48	70	$945.43	70%

Jacek Artur Ostrowski and Sylwia Barbara Ostrowska hold a combined 100% – the ownership structure indicates family control.

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2022-12-15.

PKO Bank Polski
95 1020 1185 0000 4202 0348 8913

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
Studio Palladiosp. z o.o.	$260,079.40	palladio.waw.pl
DAB Instalacjesp. z o.o.	$202,079.14	dabinstalacje.pl
Hydrobudowa - 6S.A.	$197,581.59	hb6.pl
Lepszy Dom Polskasp. z o.o.	$180,390.94	lepszydom.com
DSA Nieruchomościsp. z o.o.	$175,245.55	dsanieruchomosci.pl
HUS Developmentsp. z o.o.	$172,896.71	husdevelopment.pl
Ultralam-Polskasp. z o.o.	$162,567.95	ultra-koncept.eu
Optimasp. z o.o.	$161,644.46	optimabud.pl
Dobre Budownictwosp. z o.o.	$149,124.91	dobrebudownictwo.com
Skeletsp. z o.o.	$146,317.47	skelet.pl

FAQ

Last updated: 2026-07-15