What is the main business of Prostone?

The main business activity of Prostone 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 April 21, 2021.

Where is the headquarters located?

The headquarters is located at: ul. Gen. Mariana Langiewicza 29, 35-021 Rzeszów.

Who is on the management board?

The management board consists of: Anna Dominika Hładio Sumiec (Member of the Management Board), Oleksii Savchuk (Member of the Management Board), and Serhii Student (President 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.

How much revenue was generated?

In 2024, the company generated total revenue of $605,544, representing an increase of 325.1% compared to 2023.

Is the company profitable?

Yes, in 2024 the company was profitable, achieving a net profit of $78,977.

Which cost dominates operating expenses?

The largest operating cost category falls under other operating costs. This category amounted to $203,821 in 2024, representing 40% of all operating expenses.

Prostonesp. z o.o.

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

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2021-04-21

Share capital

5 000,00 PLN

Activity description

Prostone is a construction company based in Rzeszów, specializing in single-family and multi-family construction. It also undertakes engineering structures.

Registered address

ul. Gen. Mariana Langiewicza 29/17, 35-021 Rzeszów, Poland

Website

prostone.pl

Phone

Social media

Electronic delivery address

AE:PL-92033-10371-SFBAB-12

Financials

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 2025.

Results vs industry

Revenue

This companyUSD 897.26kMedianUSD 199.60kAverageUSD 1.93m

Net profit

This companyUSD 165.97kMedianUSD 5.23kAverageUSD 108.95k

Operating costs

This companyUSD 711.45kMedianUSD 167.69kAverageUSD 1.75m

Assets

This companyUSD 424.53kMedianUSD 316.11kAverageUSD 5.28m

Industry

Bank accounts

Registered as a VAT taxpayer on 2021-05-01. Active

PKO Bank Polski
18 1020 4405 0000 2302 0614 1644

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

Anna Hładio Sumiec – Management Board Member

Oleksii Savchuk – Management Board Member

Serhii Student – 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
Anna Dominika Hładio Sumiec (34)	35	$472.72	35%
Serhii Student (31)	60	$810.37	60%
Others	5	$67.53	5%

Beneficial owners

Person	Rights

Competitors

Name	Revenue	Website
A-Projektsp. z o.o.	$2,316,517.58	a-pr.pl
Proff-Polsp. z o.o.	$2,259,553.10	proffpol.com
Daszersp. z o.o.	$1,638,223.70	daszer.pl
NN Developmentsp. z o.o.	$1,441,687.41	nndevelopment.pl
ISONsp. z o.o.	$1,160,868.71	ison.com.pl
Ergbudsp. z o.o.	$1,131,299.19	ergbud.pl
LP Housesp. z o.o.	$1,014,102.08	lphouse.pl
Ecoressp. z o.o.	$759,334.48	ecores.pl
MSS Housesp. z o.o.	$736,932.23	msshouse.pl
PMP Konkretsp. z o.o.	$442,895.73	pmpkonkret.pl

Change history

Date	Event
2025-08-22	Address change (Ul. Bronisława Czecha 12/5, 35-302, Rzeszów → Ul. Gen. Mariana Langiewicza 29/17, 35-021, Rzeszów)
2021-04-21	Entered in the register

FAQ

Last updated: 2026-07-09