Overview
Diana is a wholesale distributor specializing in heating, installation, and sanitary technology, serving both businesses and individual customers since 2004. The company offers a range of products, including ball valves for water supply and central heating systems, as well as reverse osmosis systems. Diana operates across four regions in Poland and collaborates with reputable domestic and international suppliers.
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
News
Industry
Bank accounts
Registered as a VAT taxpayer on 2022-08-01. Active
47 1240 5194 1978 0010 4427 7494- 50 1240 5194 1111 0000 5248 1822
- 92 1240 5194 1787 0010 6663 8914
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
49 public aid cases recorded, with a total value of $209,193.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jul 9, 2026 | Aid in the form of wage subsidies for employing workers with disabilities | $155$155 | Prezes Zarządu Państwowego Funduszu Rehabilitacji Osób Niepełnosprawnych | |
| Jun 11, 2026 | Aid in the form of wage subsidies for employing workers with disabilities | $155$155 | Prezes Zarządu Państwowego Funduszu Rehabilitacji Osób Niepełnosprawnych | |
| May 20, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $4,322$4,322 | Prezes Banku Gospodarstwa Krajowego |
Tenders
No recorded participation in tenders.
Authorized Representatives
Manner of representation
The following is authorized to submit declarations of will on behalf of the company: A. in the case of a one-person management board – the President of the Management Board; B. in the case of a multi-member management board – each member of the management board independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Iwona Adamczyk (49) | 500 | $13,506.21 | 50% |
Wiesław Adamczyk (49) | 500 | $13,506.21 | 50% |
Iwona Adamczyk and Wiesław Adamczyk hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights | |
|---|---|---|
Iwona Małgorzata Adamczyk (49)  | Shareholder of a limited liability company, 50000.0 PLN | |
Wiesław Adamczyk (49) | Shareholder of a limited liability company, 50000.0 PLN |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| AKA SzczerbiccyS.K.A. | $27,132,012.46 | aka.pl | ||
| Zehnder Polskasp. z o.o. | $14,837,769.96 | zehnder.pl | ||
| Garden Partssp. z o.o. | $12,904,196.90 | gardenparts.pl | ||
| Joule Polskasp. z o.o. | $6,767,700.22 | joule-pl.pl | ||
| GO Dziubeksp. z o.o. | $6,704,113.03 | godziubek.pl | ||
| BeeinS.A. | $6,337,043.25 | beein.pl | ||
| Wod-Kan Czernecki, Olszówka, Białkowskisp. j. | $6,027,633.66 | wodkantarnow.pl | ||
| Hydraskład - Grupa Sbs Jan Wójcickisp. k. | $5,563,881.11 | hydrasklad.pl | ||
| Dommar Grupa Sbssp. z o.o. | $5,248,484.66 | dommar.pl | ||
| Niedźwiedź-Sanitsp. j. | $3,983,248.65 | niedzwiedz-sanit.pl |
Change history
| Date | Event | |
|---|---|---|
| 2022-09-23 | Share capital change (50,000.00 PLN → 100,000.00 PLN) | |
| 2022-08-01 | Entered in the register |
FAQ
Last updated: 2026-07-15