Gierzyński Engineeringsp. z o.o.
Manufacture of instruments and appliances for measuring, testing and navigation
Overview
Biosens produces electronic control and measurement equipment and supplies actuators for normobaric chambers and normospheric rooms. Its offer includes the controlBIO system, multiBIO system, filtration system, ionization system, blowBIO air blowers, oxyBIO oxygen concentrators, and hydroBIO hydrogen generators. The company also provides service and a catalog for building and operating normobaric chambers.
Financials
Revenue history (in k)
Financial insight
- Estonian CIT: Equity (Pasywa A) includes non-zero line items under Art. 28d of the Accounting Act — the filing indicates the lump-sum tax on company income.
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
Industry
Bank accounts
Registered as a VAT taxpayer on 2022-01-01. Active
56 1140 2004 0000 3002 8183 1691
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
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 |
|---|---|---|---|
Marlena Anna Gierzyńska (46) | 400 | $5,402.49 | 40% |
Rafał Gierzyński (48) | 600 | $8,103.73 | 60% |
Rafał Gierzyński and Marlena Anna Gierzyńska hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Marlena Anna Gierzyńska (46)  | Shareholder of a limited liability company, 20000.0 PLN |
Rafał Gierzyński (48) | Shareholder of a limited liability company, 30000.0 PLN |
Competitors
| Name | Revenue | Website | |
|---|---|---|---|
| AlterS.A. | $2,861,952.25 | altersa.pl | |
| Bragersp. z o.o. | $2,757,295.92 | brager.com.pl | |
| Kayonsp. z o.o. | $2,130,904.40 | kayon.pl | |
| Atest Gazsp. z o.o. + limited partnership | $1,738,612.94 | atestgaz.pl | |
| Enko-Pomiarsp. z o.o. | $1,156,939.62 | enkopomiar.pl | |
| Perspectiva Solutionssp. z o.o. | $956,972.28 | perspectivasolutions.com | |
| Sensor TechS.A. | $929,350.18 | sensortech.com.pl | |
| Gaitersp. z o.o. | $387,560.81 | gaiter.pl | |
| Precyzja-Bitsp. z o.o. | $220,796.68 | precyzja-bit.pl | |
| Newcontrolsp. z o.o. | $118,319.32 | newcontrol.pl |
Change history
| Date | Event |
|---|---|
| 2023-01-18 | Name change (Biosens → Gierzyński Engineering) |
| 2021-10-08 | Entered in the register |
FAQ
Last updated: 2026-07-06