What is the main business of Mostostal Siedlce?

The main business activity of Mostostal Siedlce focuses on manufacture of metal structures and parts of structures.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on July 3, 2023.

Where is the headquarters located?

The headquarters is located at: ul. Terespolska 12, 08-110 Siedlce.

Who is on the management board?

The management board consists of: Dariusz Bogusz (Vice President of the Management Board) and Tomasz Borzęcki (Vice President of the Management Board).

What is the share capital?

The share capital of the company is PLN 208,041,500 (approx. $56.2 million).

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 $188,587,896, representing a decrease of 4.8% compared to 2024.

Yes, the company recorded a net profit of $508,036 in 2025, meaning the company decreased its profit by 76.0%.

Which cost dominates operating expenses?

The largest operating cost category falls under cost of goods and materials sold. This category amounted to $170,959,568 in 2025, representing 92% of all operating expenses.

Mostostal Siedlcesp. z o.o.

Manufacture of metal structures and parts of structures

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2023-07-03

Share capital

208 041 500,00 PLN

Activity description

Mostostal Siedlce manufactures steel structures and grating platforms, including grating with tear-plate sheet metal (blacho-kraty, GRATE-CHECK). The company also offers pallets and anti-corrosion protection, including hot-dip galvanizing.

Registered address

ul. Terespolska 12, 08-110 Siedlce, Poland

Website

mostostal.siedlce.pl

Phone

Electronic delivery address

AE:PL-68067-83785-IBHEH-12

Financials

Revenue history (in m)

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 188.59mMedianUSD 634.41kAverageUSD 32.08m

Net profit

This companyUSD 508.04kMedianUSD 14.43kAverageUSD -4.97m

Operating costs

This companyUSD 185.65mMedianUSD 568.03kAverageUSD 35.02m

Assets

This companyUSD 148.30mMedianUSD 415.17kAverageUSD 29.84m

Industry

Bank accounts

Registered as a VAT taxpayer on 2016-02-12. Active

ING Bank Śląski
69 1050 1953 1000 0090 8170 6476
ING Bank Śląski
70 1050 1953 1000 0090 3261 1072
ING Bank Śląski
92 1050 1953 1000 0090 3261 1064

Debt

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

Public aid

33 public aid cases recorded, with a total value of $5,574,929.

Grant date	Purpose	Gross amount	Granting body
Jun 27, 2025	Regional investment aid	$5.3M$5,259,270	Minister Aktywów Państwowych
May 20, 2025	De minimis aid (in accordance with Commission Regulation 2023/2831)	$999$999	PREZYDENT MIASTA SIEDLCE
May 20, 2025	De minimis aid (in accordance with Commission Regulation 2023/2831)	$0$0	PREZYDENT MIASTA SIEDLCE

Tenders

No recorded participation in tenders.

Regulatory authorisations

Authority	Type	Status
BDO	Integrated permit	Active
BDO	Waste generation	Active

Authorized Representatives

Daniel Andrzejczuk — Attorney-in-fact

Dariusz Bogusz — Vice President of the Management Board

Tomasz Borzęcki — Vice President of the Management Board

Manner of representation

If the management board has more than one member, the submission of declarations of will on behalf of the company requires the joint action of two members of the management board or one member of the management board jointly with a commercial proxy.

Supervisory board

Andrzej Daniluk — Supervisory Board Member

Bartosz Wilk — Supervisory Board Member

Przemysław Chodkiewicz — Supervisory Board Member

Sławomir Kuźmiński — Supervisory Board Member

Ownership

Owner	Shares	Share value	Stake
Polimex Mostostal S.A.	411,920	$55,634,792.00	98.9995%
Others	4,163	$562,263.64	1.0005%

Beneficial owners

Person	Rights
Dariusz Bogusz (50)	Natural person holding a senior management position (AML Act art. 2(2)(1)(a) indent 5).
Tomasz Borzęcki (45)	Natural person holding a senior management position (AML Act art. 2(2)(1)(a) indent 5).

Competitors

Name	Revenue	Website
IzostalS.A.	$283,229,030.64	izostal.com.pl
Serwistalsp. z o.o.	$233,988,238.86	serwistal.pl
Mostostal KrakówS.A.	$170,348,066.30	mostostal.com.pl
Rbb-Stalsp. z o.o.	$153,953,718.00	rbb-stal.com.pl
Nsteelsp. z o.o.	$82,350,663.49	nsteel.pl
Promostalsp. z o.o. + limited partnership	$46,600,788.14	promostal.pl
Mostostal KielceS.A.	$41,176,606.39	mostostal-kielce.com.pl
SHL Productionsp. z o.o.	$35,725,245.61	shlproduction.com
Tarkonsp. z o.o.	$24,882,817.78	tarkon.pl
Stel-Marksp. z o.o.	$19,513,109.69	stel-mark.eu

FAQ

Last updated: 2026-08-06