Dostersp. z o.o.

Wholesale of chemical products

KRS: NIP: REGON:

Overview

Status
Active
Registry date
2002-01-17
Share capital
100,000.00 PLN
Activity description

Doster has operated in industrial water treatment and conditioning since 1991. It offers water-conditioning products and programs developed through practical industrial applications and consultations with energy specialists.

Registered address
Leśników 5, 43-210 Kobiór, Poland
Website
doster.pl
Email
Phone

Financials

Revenue history (in k)

Filing timeliness

4 of 6 financial statements were filed late (the longest delay 217 days for 2024).

  • 202519/08/2026
  • 202417/02/2026
  • 202323/07/2024
  • 202212/07/2023
  • 202130/11/2022
  • 202029/06/2021
Filed on timeDelayFiling deadline

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

Revenue
This companyUSD 4.57mMedianUSD 895.43kAverageUSD 9.80m
Net profit
This companyUSD 490.41kMedianUSD 19.07kAverageUSD 341.02k
Operating costs
This companyUSD 3.92mMedianUSD 832.62kAverageUSD 8.90m
Assets
This companyUSD 4.66mMedianUSD 474.63kAverageUSD 5.34m

Industry

Offer

  • Water treatment chemicals
  • Water conditioning programs
  • Industrial water treatment

Website technology

Analytics and marketing
  • Google Tag Manager

Public procurement

Doster is the contractor in one public sector contract, worth USD 842.79.

SubjectAmount
Purchase of HYDOS preparation
$842.79

Trademarks

Doster holds 2 active trademarks registered with the Polish Patent Office. 1 mark has expired or was not registered. The first mark was filed in 2007.

MarkNumberClassesStatusProtected until
DOSTER(word)Z.4132971, 9, 11, 37, 42Protected Apr 19, 2033
HYDOSZ.3820959, 11, 37, 42Protected Mar 2, 2031
DOSTERZ.3318891, 9, 11, 37, 42Expired –
MarkProtected until
DOSTER(word)Apr 19, 2033
HYDOSMar 2, 2031
DOSTER–

Authorized Representatives

Ernst Kristensen – Dyrektor
Jan Kaczmarczyk – Dyrektor
Piotr Kazimierz Kaczmarczyk – Dyrektor
Marcin Kaczmarczyk – Dyrektor

Manner of representation

The company applies the principle of joint signing and submission of declarations by two members of the management board.

Ownership

OwnerSharesShare valueStake
Hydro-x International A/s Spółka Prawa Duńskiego
68$9,184.2234%
Marcin Kaczmarczykage 55
66$8,914.1033%
Piotr Kaczmarczykage 49
66$8,914.1033%

Marcin Kaczmarczyk and Piotr Kaczmarczyk hold a combined 66% – the ownership structure indicates family control.

Beneficial owners

Person

Bank accounts

Registered as a VAT taxpayer on 2004-01-01.

Debt

No entries in the National Debtors Register (KRZ).

Real estate

TypeAmount
Land (incl. perpetual usufruct)
$421.4K
Buildings and premises
$1.7M
Investment property
$133.3K

Public aid

PurposeGross amount
Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts
–
Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts
–
Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts
–

Competitors

Name
Prominent Dozotechnikasp. z o.o.
ACESsp. z o.o.
Probiko - Aqua Społka z Ograniczoną Odpowiedzialnościąsp. z o.o.
Piastpol J.L. Łangowski Szyprytsp. k.
Oriontecsp. z o.o. + limited partnership
BE Drysp. z o.o.
Aqua Polandsp. z o.o.
Hydro Solutionssp. z o.o.
Budorex-Airsp. z o.o.
Most Spółka z Graniczoną Odpowiedzialnościąsp. z o.o.

Change history

DateEvent
2006-09-13Address change
2002-01-17Entered in the register

FAQ

Last updated: 2026-08-19