
Overview
Biproinstal is a design office specializing in water, sewer, ventilation, gas and heating systems, as well as water, sewer, district heating and gas networks. The company prepares functional and technical programs and design reviews, and advises on investment planning and construction management.
Financials
Revenue history (in k)
Filing timeliness
Financial statements were filed on time, on average 68 days early.
- 202517/06/2026
- 202407/04/2025
- 202318/03/2024
- 202219/06/2023
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
- Water supply system designs
- Sewer system designs
- Ventilation system designs
- Gas system designs
- District heating network designs
- Investment consulting
Website technology
- Online shop
- WooCommerce
- Website
- WordPress
- Elementor
Public procurement
No recorded participation in tenders.
Biproinstal is the contractor in one public sector contract, worth USD 28.50k.
| Signed on | Subject | Amount | Public buyer | |
|---|---|---|---|---|
| Jul 9, 2026 | Preparation of design and cost estimate documentation, including obtaining a building permit or filing a notification of construction works, and provision of author supervision for the project to build a storm sewer with facilities for managing rainwater on ul. Królewiecka | $28,498 | Urząd Miejski w Wałbrzychu |
Authorized Representatives
Manner of representation
In the case of a one-person management board, the member of the management board makes declarations on behalf of the company. In the case of a management board consisting of two or more persons, joint action by two members of the management board or by one member of the management board jointly with a commercial proxy is required to make declarations on behalf of the company.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Aleksandra Maria Marciniakage 40 | 51 | $1,377.63 | 51% |
Rafał Marciniakage 42 | 49 | $1,323.61 | 49% |
Aleksandra Maria Marciniak and Rafał Marciniak hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2022-04-01.
16 2490 0005 0000 4600 1762 7754
87 2490 0005 0000 4530 3094 8888
90 2490 0005 0000 4612 3007 5788
Debt
No entries in the National Debtors Register (KRZ).
Real estate
| Type | Amount |
|---|---|
Land (incl. perpetual usufruct) | $37,670$37,670 |
Buildings and premises | $69,145$69,145 |
Public aid
4 public aid cases recorded, with a total value of $9,726.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| May 20, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $4,592$4,592 | Łódzka Specjalna Strefa Ekonomiczna S.A. | |
| Oct 7, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $3,245$3,245 | Łódzki Dom Biznesu sp. z o.o. | |
| Oct 7, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $104$104 | Prezes Zakładu Ubezpieczeń Społecznych |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| GAZ Media Projektsp. z o.o. | $1,692,083.87 | gazmediaprojekt.pl | ||
| 4technologysp. z o.o. | $1,275,535.70 | 4-technology.pl | ||
| Probudmix Biuro Projektów Inżynierskichsp. z o.o. | $1,022,486.41 | probudmix.pl | ||
| Biprochemsp. z o.o. | $1,018,430.83 | biprochem.com | ||
| Hydro-Gaz Budowasp. z o.o. | $280,168.90 | hydrogazbudowa.pl | ||
| Pjb-Expertssp. z o.o. | $96,480.07 | pjbexperts.pl | ||
| Inpremsp. z o.o. | $32,553.52 | inprem.pl |
FAQ
Last updated: 2026-06-17