Overview
4 Bau carries out demolition of buildings, warehouses and factories with concrete, reinforced-concrete, steel and wooden structures. The company also performs earthworks, including conventional and top-down excavations, prepares sites for construction projects, and crushes concrete and reinforced concrete; it operates throughout Poland.
Financials
Revenue history (in k)
Filing timeliness
1 of 6 financial statements was filed late (for 2025, 9 days late). 1 of 6 audited by a statutory auditor.
- 202524/07/2026
- 202402/07/2025
- 202305/07/2024
- 202227/06/2023
- 202130/06/2022
- 202013/05/2021
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, region and across Poland in 2025.
Results vs industry
Industry
Offer
- Building demolition
- Structure dismantling
- Earthworks
- Construction excavations
- Sewerage works
Website technology
- Website
- Joomla
Public procurement
1 tender recorded as contractor, with a total value of $238,071.
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Aug 28, 2025 | Construction of a sanitary sewer network with network sections and a water supply network in the area of ul. Eukaliptusowa (Stage III) in Dzielnica Mokotów, m. st. Warszawy. | $238.1K$238,071 | Miejskie Przedsiębiorstwo Wodociągów I Kanalizacji w M.St. Warszawie S.A. |
Authorized Representatives
Manner of representation
- In the case of a one-person management board – the President of the Management Board - In the case of a multi-member management board – each member of the management board independently
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Andrzej Tyborowskiage 50 | 95 | $12,830.90 | 95% |
Others | 5 | $675.31 | 5% |
Beneficial owners
| Person | Rights |
|---|---|
Subsidiaries
| Name | Share value | Stake | ||
|---|---|---|---|---|
Euroinvestmentsp. z o.o. | 2,566.18 USD | 95% |
Bank accounts
Registered as a VAT taxpayer on 2008-04-02.
69 1020 1068 0000 1802 0343 8835- 88 1020 1332 0000 1202 1177 1112
37 1140 1775 0000 3560 3700 1001
Debt
No entries in the National Debtors Register (KRZ).
Real estate
| Type | Amount |
|---|---|
Land (incl. perpetual usufruct) | $663.7K$663,667 |
Buildings and premises | $183.4K$183,362 |
Public aid
19 public aid cases recorded, with a total value of $475,595.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| May 19, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $1,978$1,978 | PREZYDENT MIASTA BIAŁEGOSTOKU | |
| May 13, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $462$462 | PODLASKI URZĄD SKARBOWY W BIAŁYMSTOKU | |
| Jan 7, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $14$14 | PGE Obrót S.A. |
European Funds
| Start | Project | EU co-financing | Programme | |
|---|---|---|---|---|
| 2025-04-03 | Development of a circular economy transformation business model for 4-BAU Sp. z o.o. | $23,159$23,159 | Fundusze Europejskie dla Polski Wschodniej 2021-2027 |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Przedsiębiorstwo Budowy Elektrowni i Przemysłu Beton-Stal Ostrołękasp. z o.o. | $15,766,449.02 | betonstal.ostroleka.pl | ||
| JS Budownictwosp. z o.o. | $14,235,392.50 | jsbudownictwo.pl | ||
| Konkersp. z o.o. | $13,480,852.00 | konker.pl | ||
| Building4yousp. z o.o. + limited partnership | $11,934,184.00 | building4you.pl | ||
| Prosfersp. z o.o. | $9,366,456.37 | prosfer.pl | ||
| Rogbausp. z o.o. + limited partnership | $7,183,823.07 | rogbau.pl | ||
| Bet-Systemsp. z o.o. | $5,961,806.94 | betsystem.com.pl | ||
| JRW Budownictwosp. z o.o. | $5,907,047.68 | jrwbudownictwo.pl | ||
| Marexbudsp. z o.o. | $4,262,263.28 | marexbud.eu | ||
| Irmal sp. z o.o.sp. k. | $3,251,608.03 | irmal.pl |
Change history
| Date | Event | |
|---|---|---|
| 2026-06-01 | PKD change (Removed: 43.11.Z; Added: 41.00.A) | |
| 2015-10-13 | PKD change (Removed: 35 codes) | |
| 2012-06-04 | PKD change (Added: 36.00.Z, 37.00.Z, 38.11.Z, 38.12.Z, 38.21.Z, 49.41.Z) | |
| 2011-02-25 | Address change (Marjańskiego 3/202, 15-402, Białystok → Legionowa 28/807, 15-281, Białystok) | |
| 2011-02-25 | PKD change (Added: 43.21.Z, 43.22.Z, 45.11.Z, 45.19.Z, 71.11.Z, 71.12.Z) |
FAQ
Last updated: 2026-07-24