Hydrumsp. z o.o.

Engineering activities and related technical consultancy

KRS: NIP: REGON:

Overview

Status
Active
Registry date
2020-10-27
Share capital
225,000.00 PLN
Activity description

Hydrum is a company that builds waste-to-value refineries that process saline wastewater into valuable resources. Their proprietary electrochemical process produces three high-value products: renewable hydrogen (RFNBO), sodium chlorate, and demineralized water, helping industries reduce waste disposal costs and meet sustainability requirements. The company focuses on creating energy-efficient infrastructure for various sectors, including industry, public utilities, and energy.

Registered address
ul. Teatralna 17A, 40-003 Katowice, Poland
Website
hydrum.eu
Email
Social media

Financials

Revenue history (in k)

From the notes

Current income tax (CIT due)$0

Filing timeliness

3 of 5 financial statements were filed late (the longest delay 62 days for 2021).

  • 202515/07/2026
  • 202415/07/2025
  • 202316/08/2024
  • 202206/08/2023
  • 202115/09/2022
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, city, voivodeship and across Poland in 2025.

Industry · Engineering activities and related technical consultancy4,714 / 5,073
Top 93%
Division · Architectural and engineering activities; technical testing and analysis5,657 / 6,061
Top 93%
Sector · Professional, scientific and technical activities34,860 / 39,211
Top 89%
City · Katowice5,628 / 6,171
Top 91%
Voivodeship · Śląskie30,732 / 33,281
Top 92%
Country · Poland273,800 / 297,932
Top 92%

Results vs industry

Revenue
This companyUSD 2.39kMedianUSD 168.27kAverageUSD 1.12m
Net profit
This companyUSD -9.92kMedianUSD 8.46kAverageUSD 67.75k
Operating costs
This companyUSD 11.25kMedianUSD 143.86kAverageUSD 1.05m
Assets
This companyUSD 130.55kMedianUSD 126.12kAverageUSD 863.11k

Industry

Offer

  • Saline wastewater treatment
  • Chemical reactors
  • Renewable hydrogen
  • Sodium chlorate
  • Demineralized water

Website technology

Website
  • Wix

Authorized Representatives

Sylwia Wołosz Bandycka – Attorney-in-fact
Sebastian Grzegorz Bandycki – President of the Management Board

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

OwnerSharesShare valueStake
Sebastian Grzegorz Bandyckiage 50
135$36,466.7760%
Piotr Konrad Kostekage 47
40$24,311.1840%

Beneficial owners

Person

Bank accounts

Registered as a VAT taxpayer on 2020-12-04.

  • mBank
    mBank
    77 1140 2004 0000 3602 8066 1781

Debt

No entries in the National Debtors Register (KRZ).

Public aid

PurposeGross amount
De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier)
$2,509
De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier)
$3,345
De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier)
$15,497

Competitors

Name
Subsoilsp. z o.o.

Change history

DateEvent
2024-11-19Address change
2024-11-19PKD change
2023-10-02Address change
2023-10-02Share capital increase
2022-10-21Address change

FAQ

Last updated: 2026-07-17