Overview
Diather Petrusewicz is a company specializing in the sale of pharmaceutical and diagnostic products, including rapid diagnostic tests for both patients and professionals. They offer a range of medical products such as alcohol test kits, medical syrups for treating reflux, and dietary supplements containing hydrolyzed collagen. The company has been operating for over 12 years, focusing on providing effective diagnostic tools and therapeutic aids.
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
Industry
Bank accounts
Registered as a VAT taxpayer on 2011-11-18. Active
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
7 public aid cases recorded, with a total value of $82,710.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Nov 28, 2024 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $26,727 | Prezes Banku Gospodarstwa Krajowego | |
| Jan 10, 2023 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $22,000 | Prezes Banku Gospodarstwa Krajowego | |
| Dec 9, 2021 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $17,939 | Prezes Banku Gospodarstwa Krajowego |
Tenders
168 tenders recorded as contractor: 77 national ($1,769,265) and 91 EU ($59,355,159).
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Sep 30, 2026 | Dostawa produktów leczniczych i wyrobów medycznych do Wojskowego Instytutu Medycznego - PIB. | — | Wojskowy Instytut Medyczny - Państwowy Instytut Badawczy | |
| Sep 18, 2026 | Dostawa produktów farmaceutycznych, materiałów szewnych, opatrunków oraz innych artykułów na potrzeby medyczne zamawiającego | — | Tczewskie Centrum Zdrowia sp. z o.o. S.A. | |
| Sep 14, 2026 | Dostawa leków i preparatów leczniczych | — | Szpital Powiatowy w Zambrowie sp. z o.o. |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Partners
| Partners |
|---|
Diather Sp. z o.o. |
Katarzyna Maria Kołodziejska Petrusewicz (53)Marital property agreement (separation) |
Krzysztof Petrusewicz (49)Marital property agreement (separation) |
Manner of representation
The company is represented by the general partners: Krzysztof Petrusewicz and Katarzyna Maria Kołodziejska-Petrusewicz. Each general partner is entitled to represent the company independently.
Katarzyna Maria Kołodziejska Petrusewicz and Krzysztof Petrusewicz – all partners share the same surname, so the structure looks family-owned.
Beneficial owners
| Person | Rights |
|---|---|
Katarzyna Maria Kołodziejska Petrusewicz (53)  | General partner in a limited partnership, 49.5 PLN |
Krzysztof Petrusewicz (49) | General partner in a limited partnership, 49.5 PLN |
Competitors
| Name | Revenue | Website | |
|---|---|---|---|
| Camedica Paweł Harasimiuksp. k. | $18,691,613.15 | camedica.pl | |
| Biochem PolskaS.A. | $13,180,007.81 | biochempolska.pl | |
| Novama CloudS.A. | $8,295,437.50 | novama.cloud | |
| MassmedicaS.A. | $8,216,274.00 | massmedica.com | |
| Wadamedsp. z o.o. + limited partnership | $4,694,873.16 | wadamed.pl | |
| Medmess Kropaczewskisp. k. | $4,516,614.15 | medmess.pl | |
| LM Linesp. z o.o. | $3,541,531.01 | lmline.pl | |
| Bio-Novumsp. z o.o. | $3,459,663.10 | bio-novum.com | |
| Steriwundsp. z o.o. | $2,832,891.51 | steriwund.pl | |
| Farmbudsp. z o.o. | $2,476,637.88 | farmbud.eu |
Change history
| Date | Event |
|---|---|
| 2022-03-28 | Address change (Twarda 1/14, 00-114, Warszawa → Ul. Ku Ujściu 19, 80-701, Gdańsk) |
| 2022-03-28 | Name change ("diather" → Diather Petrusewicz) |
| 2021-12-10 | PKD change (Removed: 49.41.Z) |
| 2020-01-21 | PKD change (Removed: 18.12.Z, 18.13.Z, 21.10.Z, 21.20.Z, 58.29.Z, 73.11.Z, 73.12.B, 73.20.Z, 74.20.Z, 82.30.Z; Added: 47.99.Z, 68.20.Z, 77.21.Z) |
| 2011-09-20 | Entered in the register |
FAQ
Last updated: 2026-08-13