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GELSENWASSER AG, Gelsenkirchen, Germany
Anti-trust proceedings

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GELSENWASSER AG

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GELSENWASSER AG

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Risk report
GELSENWASSER AG
Risk Level Evaluation Source
Sanctioned (?)
Anti-trust proceedings (?) Anti-trust proceedings

Name

GELSENWASSER AG

Identification

Ut
District Court of Gelsenkirchen HRB 165
Lei
529900JGEOQMCDYOK785
EUID
DER2507.HRB165

Address

Willy-Brandt-Allee 26, 45891 Gelsenkirchen, Germany

Corporate purpose

Supply of water and energy, sanitation, recovery of building materials; in related business areas, such measures are likely to promote the purpose of the company. In order to achieve the object of the undertaking, the company may, in particular: develop natural resources; acquire and use land, build, acquire, lease and operate all kinds of facilities; planning and carrying out projects, conducting research and development; use inventions and patents for business purposes, set up subsidiaries or branches; companies or shareholdings, carry out commercial transactions and services of any kind.

Financial performance

Revenue

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History

Marketing & Tech

Merger & Acquisition & Control

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Legal Structure

Current legal representatives Legal form information · Proxy policies Premium
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3Member of the Executive Board
6Authorized signatory (ppa)
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67 known active shareholdings
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Financials

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from 2022 to 2025
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Publications

14 Jul 2026 via Stadtwerke Castrop-Rauxel GmbH also 11/08/2025, 17/09/2024, 14/08/2023, 19/10/2020, 07/01/2020, 14/11/2019, 12/08/2014
Shareholding: Stadtwerke Castrop-Rauxel GmbH
11 Jul 2026
European Union Transparency Register
9 Jul 2026
List of board members
8 Jun 2026
Aufsichtsrat
1 Jun 2026
Figurative mark: “Figurative“
18 May 2026
Consolidated Annual report for the year ending 31/12/2025 · Balance sheet for 31/12/2025
15 May 2026
Member of the Executive Board: Henning Rolf Deters, Dirk E. A. Waider
15 Apr 2026
Wordmark: “#teamblaugrün“
15 Apr 2026
Wordmark: “Team blau-grün“
10 Apr 2026
No longer Authorized signatory (ppa): Joachim Basler
25 Feb 2026 via Wasserbeschaffung Niederrhein Westfalen GmbH also 27/03/2025, 14/11/2023
Shareholding: Wasserbeschaffung Niederrhein Westfalen GmbH
17 Feb 2026 via Stadtwerke Haltern am See GmbH also 23/12/2024, 03/01/2024, 06/01/2023, 30/11/2016
Shareholding: Stadtwerke Haltern am See GmbH
10 Feb 2026 via Wassergewinnung Essen GmbH
Shareholder: Wassergewinnung Essen GmbH
5 Feb 2026 via Wasser und Gas Westfalen GmbH & Co. Holding KG also 19/12/2024, 20/02/2024, 07/12/2021, 24/09/2018, 19/10/2015, 09/01/2015, 07/10/2011, 05/11/2010, 08/03/2010, 29/01/2009, 06/09/2007
Shareholder: Wasser und Gas Westfalen GmbH & Co. Holding KG
3 Feb 2026
Consolidated Annual report for the year ending 31/12/2025
3 Feb 2026
Reference to half-year financial report from 01.01.2026 to 30.06.2026
3 Feb 2026 also 31/03/2025
Reference to annual financial report from 01.01.2025 to 31.12.2025
26 Jan 2026 via Stadtwerke Ahlen GmbH also 24/11/2023, 26/09/2019, 18/03/2019, 11/07/2013, 21/07/2010, 10/10/2007
Shareholder: Stadtwerke Ahlen GmbH
16 Jan 2026 via H & W Tiefbau GmbH & Co. KG also 23/01/2025, 19/03/2024
Shareholding: H & W Tiefbau GmbH & Co. KG
5 Jan 2026 via PVU Prignitzer Energie- und Wasserversorgungsunternehmen GmbH also 17/02/2025, 02/08/2022, 16/07/2020, 04/09/2019, 03/09/2014, 26/08/2013, 11/08/2011, 02/08/2010
Shareholding: PVU Prignitzer Energie- und Wasserversorgungsunternehmen GmbH
29 Dec 2025 via ENNI Stadt & Service Niederrhein AöR also 02/02/2022, 23/02/2021, 09/01/2020
Shareholding: ENNI Stadt & Service Niederrhein AöR
23 Dec 2025 via Hansewasser Ver- und Entsorgungs-GmbH also 28/01/2025, 12/12/2023, 26/08/2020, 16/10/2019, 17/03/2015, 24/06/2014, 13/08/2013, 28/03/2012, 15/07/2011, 08/06/2010
Shareholding: Hansewasser Ver- und Entsorgungs-GmbH
16 Dec 2025 via Stadtwerke Kalkar Verwaltungs-GmbH also 19/09/2024, 29/09/2023, 25/11/2021, 14/11/2019, 16/09/2011, 06/12/2010
Shareholding: Stadtwerke Kalkar Verwaltungs-GmbH
15 Dec 2025 via Stadtwerke Wesel GmbH also 29/01/2025, 22/01/2024, 27/01/2023, 31/01/2020, 13/11/2018, 16/03/2015, 07/12/2010
Shareholding: Stadtwerke Wesel GmbH
2 Dec 2025 via Vereinigte Gas- und Wasserversorgung GmbH also 16/10/2017
Shareholding: Vereinigte Gas- und Wasserversorgung GmbH
27 Nov 2025 via Gemeindewerke Finnentrop GmbH also 03/01/2025, 27/11/2023
Shareholding: Gemeindewerke Finnentrop GmbH
26 Nov 2025 via Abwassergesellschaft Gelsenkirchen mbH also 13/12/2018, 08/10/2015, 19/10/2011, 16/02/2011, 13/02/2008
Shareholding: Abwassergesellschaft Gelsenkirchen mbH
25 Nov 2025 via Wasser und Gas Westfalen GmbH also 21/11/2024, 08/04/2024, 18/12/2019, 20/10/2017, 13/09/2011, 06/09/2007
Shareholder: Wasser und Gas Westfalen GmbH
21 Nov 2025 via Wasserversorgung Herne GmbH & Co. KG also 19/10/2023, 17/12/2019, 08/11/2018, 27/11/2017, 19/10/2016, 12/10/2015, 05/09/2011, 16/11/2010, 09/12/2009
Shareholding: Wasserversorgung Herne GmbH & Co. KG
19 Nov 2025 via Erenja Treuhandgesellschaft mbH also 25/01/2023
Shareholding: Erenja Treuhandgesellschaft mbH
14 Nov 2025 via Stadtwerke Göttingen AG also 20/12/2024, 01/12/2023
Shareholding: Stadtwerke Göttingen AG
14 Nov 2025 via Stadtwerke Voerde GmbH also 19/09/2024, 29/09/2023, 07/01/2020, 15/11/2019, 09/01/2019
Shareholding: Stadtwerke Voerde GmbH
3 Nov 2025 via Wasserwerke Westfalen GmbH also 04/08/2023, 26/08/2020, 28/08/2019, 23/12/2016, 08/10/2015, 13/07/2010, 12/08/2009, 25/06/2008, 09/10/2007
Shareholding: Wasserwerke Westfalen GmbH
22 Oct 2025 via Neue Energien Bad Oeynhausen GmbH also 30/12/2024, 05/02/2024, 03/01/2023
Shareholder: Neue Energien Bad Oeynhausen GmbH
16 Oct 2025 via Gemeindewerke Hünxe GmbH also 20/01/2025, 03/09/2019, 19/10/2016, 29/08/2014
Shareholding: Gemeindewerke Hünxe GmbH
14 Oct 2025 via WasserServiceKommunal GmbH
Shareholder: WasserServiceKommunal GmbH
9 Oct 2025
Member of the Executive Board: Agnes Emilie · No longer Authorized signatory (ppa): Agnes Emilie Janda
2 Oct 2025 via Erenja AG & Co. KG also 23/02/2024
Shareholding: Erenja AG & Co. KG
1 Oct 2025 via Trianel GmbH also 11/09/2025, 11/11/2024, 31/10/2024
Shareholder: Trianel GmbH
30 Sept 2025 via Westfälische Wasser- und Umweltanalytik GmbH also 11/10/2019, 28/11/2016, 21/10/2015, 22/09/2014, 26/08/2013, 28/09/2011, 24/10/2007
Shareholding: Westfälische Wasser- und Umweltanalytik GmbH
29 Sept 2025 via GELSENWASSER Energienetze GmbH
Shareholding: GELSENWASSER Energienetze GmbH
23 Sept 2025 via Stadtwerke Kalkar GmbH & Co. KG also 18/11/2024, 24/09/2020, 19/12/2018, 20/12/2012
Shareholding: Stadtwerke Kalkar GmbH & Co. KG
18 Sept 2025 via Energiepark Styrumer Ruhrbogen GmbH also 30/09/2024, 25/09/2023, 23/01/2023, 06/01/2022, 10/02/2020
Shareholding: Energiepark Styrumer Ruhrbogen GmbH
1 Sept 2025 via Stadtwerke Kaarst GmbH also 06/12/2024, 15/11/2024, 31/10/2023, 16/12/2021, 14/11/2019, 29/09/2017, 16/08/2017, 11/10/2016, 03/12/2014, 30/09/2011, 06/01/2011
Shareholding: Stadtwerke Kaarst GmbH
1 Sept 2025 via GELSEN - NET Kommunikationsgesellschaft mbH also 27/10/2023, 24/09/2019
Shareholding: GELSEN - NET Kommunikationsgesellschaft mbH
28 Aug 2025 via INNEXIS Holding GmbH & Co. KG also 28/08/2025, 18/10/2024, 21/09/2023
Shareholding: Infrareal Holding GmbH & Co. KG
27 Aug 2025 via INNEXIS Marburg GmbH also 11/10/2024, 29/09/2023
Shareholding: Pharmaserv GmbH
27 Aug 2025 via GELSENWASSER Stadtwerkedienstleistungs-GmbH
Shareholding: GELSENWASSER Stadtwerkedienstleistungs-GmbH
26 Aug 2025 via Klärschlammrecyclinggesellschaft Niederrhein mbH
Shareholding: Klärschlammrecyclinggesellschaft Niederrhein mbH
25 Aug 2025 via Stadtwerke Recklinghausen GmbH
Shareholding: Stadtwerke Recklinghausen GmbH
15 Aug 2025
Antitrust Investigation: Gelsenwasser AG, Stadtwerke Recklinghausen Holding GmbH
28 Jul 2025
No longer Authorized signatory (ppa): Wolfgang Schlecht
15 Jul 2025 via Brauco Rohr- und Umweltservice GmbH & Co. Dienstleistungen KG also 09/08/2023
Shareholding: Brauco Rohr- und Umweltservice GmbH & Co. Dienstleistungen KG
10 Jul 2025 via GSW Wasser-plus GmbH also 19/11/2024, 16/11/2023, 25/11/2022, 08/11/2021, 14/07/2020, 16/08/2019, 23/08/2018, 30/08/2017, 17/08/2016, 26/06/2015, 27/06/2014, 20/08/2013
Shareholder: GSW Wasser-plus GmbH
23 Jun 2025
Antitrust Investigation: BAV Aufbereitung Herne GmbH, Gelsenwasser AG
23 Jun 2025
Antitrust Investigation: BAV Aufbereitung Herne GmbH, Gelsenwasser AG
16 Apr 2025
Ordentliche Hauptversammlung
15 Apr 2025
Consolidated Annual report for the year ending 31/12/2024 · Balance sheet for 31/12/2024
11 Mar 2025
Antitrust Investigation (4 companies)
4 Mar 2025
Annual report for the year ending 30/06/2025
4 Mar 2025
Consolidated Annual report for the year ending 31/12/2024
17 Feb 2025 via Wassergewinnung Essen GmbH also 28/02/2024, 21/02/2023, 05/11/2019, 10/10/2016, 18/09/2015, 22/09/2014, 19/04/2010, 17/06/2008, 26/07/2007
Shareholding: Wassergewinnung Essen GmbH
11 Feb 2025 via Wasserwerke Westfalen GmbH also 16/08/2022, 08/07/2014
Shareholder: Wasserwerke Westfalen GmbH
4 Feb 2025 via Stadtwerke Bochum Beteiligungsgesellschaft mbH also 04/11/2019
Shareholder: Stadtwerke Bochum Beteiligungsgesellschaft mbH
21 Jan 2025 via Duisburger Versorgungs- und Verkehrsgesellschaft mbH also 23/11/2023
Shareholder: Duisburger Versorgungs- und Verkehrsgesellschaft mbH
28 Nov 2024 via Bodenmanagement Rhein-Herne GmbH also 30/10/2023
Shareholding: Bodenmanagement Rhein-Herne GmbH
20 Nov 2024
Original document: “Liste der Aufsichtsratsmitglieder zum 20.11.2024“
7 Nov 2024
Word figurative mark: “WASSER NERDS“
5 Nov 2024 via Gelsenkirchener Logistik-, Hafen- und Servicegesellschaft mbH
Shareholder: Gelsenkirchener Logistik-, Hafen- und Servicegesellschaft mbH
22 Aug 2024
Original document: “Liste der Aufsichtsratsmitglieder zum 22.08.2024“
20 Aug 2024
Figurative mark: “Figurative“
2 Jul 2024
Antitrust Investigation: Gelsenwasser AG, Stadtwerke Bielefeld GmbH
29 Apr 2024
Antitrust Investigation: Gelsenwasser AG, Wassernetz Selm GmbH
26 Apr 2024
Consolidated Annual report for the year ending 31/12/2023 · Balance sheet for 31/12/2023
24 Apr 2024
Ordentliche Hauptversammlung
19 Apr 2024
Authorized signatory (ppa): Björn Wölfel
19 Feb 2024
Annual report for the year ending 30/06/2024
19 Feb 2024
Annual report for the year ending 31/12/2023
19 Feb 2024
Consolidated Annual report for the year ending 31/12/2023
26 Jan 2024
No longer Authorized signatory (ppa) (1)
16 Jan 2024 via ENNI Stadt & Service Niederrhein AöR
Shareholder: ENNI Stadt & Service Niederrhein AöR
15 Dec 2023
List of board members
13 Dec 2023
Antitrust Investigation: Gelsenwasser AG
4 Dec 2023 via MET Epe Speicher GmbH & Co. KG also 11/10/2016, 03/12/2014, 11/03/2013, 16/02/2011, 26/01/2010
Shareholding: KGE - Kommunale Gasspeichergesellschaft Epe mbH & Co. KG
1 Dec 2023
Original document: “Liste der Aufsichtsratsmitglieder zum 01.12.2023“
1 Dec 2023 in Fk
Public funding (€72,722): T! Room - H2R - H2! Real-world laboratory CR - H2! Transformation of the Castrop-Rauxel Real-World Lab (Check) and Transfer over Heads (Connect), subsection 3: Economic and …
30 Nov 2023 via WMR Wasserbeschaffung und Energieerzeugung Mittlere Ruhr GmbH also 19/11/2019
Shareholder: WMR Wasserbeschaffung und Energieerzeugung Mittlere Ruhr GmbH
10 Nov 2023
Antitrust Investigation (3 companies)
20 Oct 2023
Antitrust Investigation: Gelsenwasser AG, Stadtwerke Velbert GmbH
19 Sept 2023 via INNEXIS Jena GmbH
Shareholding: Pharmapark Jena GmbH
25 Aug 2023 via GELSENWASSER 6. Beteiligungs-GmbH
Shareholding: GELSENWASSER 6. Beteiligungs-GmbH
21 Jul 2023
Company statute
19 Jul 2023
List of board members
4 Jul 2023
Original document: “Liste der Aufsichtsratsmitglieder zum 04.07.2023“
14 Jun 2023
Original document: “Gesellschaftsvertrag / Satzung / Statut“
28 Apr 2023
Einladung an die Aktionäre zur ordentlichen Hauptversammlung
24 Apr 2023
Consolidated Annual report for the year ending 31/12/2022 · Balance sheet for 31/12/2022
7 Mar 2023
Annual report for the year ending 30/06/2023
7 Mar 2023
Consolidated Annual report for the year ending 31/12/2022
7 Mar 2023
Hinweis auf Jahresfinanzbericht vom 01.01.2022 bis zum 31.12.2022
20 Jan 2023 via Erdgasversorgung Schwalmtal GmbH & Co. KG also 17/01/2022, 20/12/2021, 01/10/2020, 09/12/2019, 19/12/2018, 13/11/2017, 12/10/2016, 15/10/2015, 19/01/2015, 03/12/2013, 03/01/2013, 27/09/2011, 22/02/2011
Shareholding: Erdgasversorgung Schwalmtal GmbH & Co. KG
6 Jan 2023 via Stadtwerke Dülmen GmbH also 30/10/2017, 20/09/2011
Shareholder: Stadtwerke Dülmen GmbH
2 Dec 2022
Wordmark: “GELSENWASSER“
8 Nov 2022
Authorized signatory (ppa): Bernhard Schaefer
1 Oct 2022
Authorized signatory (ppa): Agnes Emilie Janda, Miriam H. Wirtz · No longer Authorized signatory (ppa) (1)
1 Oct 2022 in Fk
Public funding (€139,657): IMProvT_II - Intelligent measurement methods for the energetic process optimization of drinking water supply and distribution II, subproject: Provision of operating data …
11 Aug 2022
Acquisition: GELSENWASSER Beteiligungen SE · Spin-off: GELSENWASSER Beteiligungen SE
11 Aug 2022
It is published as not registered: The creditors of the the legal entities involved in the spin-off if ...
20 Jul 2022
Authorized signatory (ppa): Wolfgang Schlecht
28 Jun 2022
No longer Authorized signatory (ppa) (1)
28 Jun 2022
Original document: “Unternehmensvertrag / Umwandlungsvertrag / sonstiger Vertrag“
13 May 2022
Consolidated Annual report for the year ending 31/12/2021 · Balance sheet for 31/12/2021
2 May 2022
Einladung an die Aktionäre zur ordentlichen Hauptversammlung
28 Apr 2022
The Registry Court has been notified of the draft of a contract on the planned spin-off of parts of the assets of ...
10 Mar 2022 via Gemeindewerke Finnentrop GmbH
Shareholder: Gemeindewerke Finnentrop GmbH
7 Mar 2022
Annual report
7 Mar 2022
Annual report
23 Feb 2022
Word figurative mark: “realeasy“
2 Feb 2022
Authorized signatory (ppa): Joachim Basler
8 Jan 2022
Unternehmensanteile
29 Nov 2021
Merger: NGW GmbH
29 Nov 2021
Acquisition: Erenja AG & Co. KG · Spin-off: Erenja AG & Co. KG
29 Nov 2021
Merger: WESTFALICA GmbH
26 Nov 2021
The spin-off shall be effected upon entry on the register of the transferring legal entity of Vereinigte Gas- und ...
25 Nov 2021 via Vereinigte Gas- und Wasserversorgung GmbH
Acquisition, Break-up: Vereinigte Gas- und Wasserversorgung GmbH
16 Nov 2021 via WESTFALICA GmbH
Merger: WESTFALICA GmbH
4 Nov 2021 via Erenja AG & Co. KG
Acquisition, Spin-off: Erenja AG & Co. KG
3 Nov 2021
Acquisition: Vereinigte Gas- und Wasserversorgung GmbH · Break-up: Vereinigte Gas- und Wasserversorgung GmbH
28 Oct 2021 via NGW GmbH
Merger: NGW GmbH
7 Oct 2021
Original document: “Unternehmensvertrag / Umwandlungsvertrag / sonstiger Vertrag“
7 Oct 2021
Original document: “Unternehmensvertrag / Umwandlungsvertrag / sonstiger Vertrag“
7 Oct 2021
Original document: “Unternehmensvertrag / Umwandlungsvertrag / sonstiger Vertrag“
7 Oct 2021
Original document: “Unternehmensvertrag / Umwandlungsvertrag / sonstiger Vertrag“
7 Oct 2021
Original document: “Unternehmensvertrag / Umwandlungsvertrag / sonstiger Vertrag“
7 Oct 2021
Original document: “Unternehmensvertrag / Umwandlungsvertrag / sonstiger Vertrag“
9 Aug 2021 via Stadtwerke Dülmen Dienstleistungs- und Beteiligungs-GmbH & Co. KG also 25/11/2019
Shareholder: Stadtwerke Dülmen Dienstleistungs- und Beteiligungs-GmbH & Co. KG
8 Jul 2021 via GELSENWASSER 14. Beteiligungs-GmbH
Profit Transfer: GELSENWASSER 14. Beteiligungs-GmbH
5 Jul 2021 via GELSENWASSER 10. Beteiligungs-GmbH
Profit Transfer: GELSENWASSER 10. Beteiligungs-GmbH
5 Jul 2021 via GELSENWASSER 11. Beteiligungs-GmbH
Profit Transfer: GELSENWASSER 11. Beteiligungs-GmbH
5 Jul 2021 via GELSENWASSER 12. Beteiligungs-GmbH
Profit Transfer: GELSENWASSER 12. Beteiligungs-GmbH
5 Jul 2021 via GELSENWASSER 13. Beteiligungs-GmbH
Profit Transfer: GELSENWASSER 13. Beteiligungs-GmbH
10 Jun 2021
Consolidated Annual report for the year ending 31/12/2020
9 Jun 2021
Original document: “Liste der Aufsichtsratsmitglieder zum 09.06.2021“
18 May 2021
Aufsichtsrat
27 Apr 2021
Einladung zur ordentlichen Hauptversammlung
27 Apr 2021
Draft contracts for the planned mergers of WESTFALICA GmbH, based in Bad ...
1 Apr 2021 in Fk
Public funding (€119,311): AI-based warning system for heavy rain and urban flash floods (KIWaSuS) - Sub-projects: Non-contact flow measurement in the sewer
9 Mar 2021
Annual report
9 Mar 2021
Annual report
8 Mar 2021
List of board members
4 Mar 2021 via Erenja AG & Co. KG
General partner: Erenja AG & Co. KG
Year 2021 in Dpmap
4 patent filings (1 utility patent): Vorrichtung zur akustischen Durchflussmessung …
2 Mar 2021 via GELSENWASSER Industrieservice Schkopau GmbH
Control, Profit Transfer: GELSENWASSER Industrieservice Schkopau GmbH
2 Mar 2021
Original document: “Liste der Aufsichtsratsmitglieder zum 02.03.2021“
2 Feb 2021
Company statute
29 Jan 2021 via Erenja Treuhandgesellschaft mbH
Profit Transfer: Erenja Treuhandgesellschaft mbH
1 Dec 2020 via niceTaget GmbH
Shareholding: niceTaget GmbH
25 Nov 2020
Original document: “Gesellschaftsvertrag / Satzung / Statut“
Year 2020 in Dpmap
4 patent filings (1 utility patent): Vorrichtung zur akustischen Durchflussmessung …
31 Aug 2020 via NGW GmbH also 28/08/2009
Profit Transfer: NGW GmbH
3 Jul 2020
Consolidated Annual report for the year ending 31/12/2019 · Balance sheet for 31/12/2019 · Shareholdings (97 companies)
18 Jun 2020
Authorized signatory (ppa): Bernhard Schaefer
5 May 2020
Annual report for the year ending 31/12/2019 · Balance sheet for 31/12/2019 · Earnings statement for 31/12/2019 · Shareholdings (91 companies)
29 Apr 2020
Einladung zur ordentlichen Hauptversammlung
6 Apr 2020
List of board members
9 Mar 2020
Annual report
9 Mar 2020
Annual report
1 Mar 2020 in Fk
Public funding (€48,510): KSI: Renovation of the lighting system of the head office, white house of Gelsenwasser AG
28 Jan 2020 via hertenwasser GmbH also 12/11/2018, 02/12/2016, 26/05/2010
Shareholding: hertenwasser GmbH
14 Jan 2020
Original document: “Liste der Aufsichtsratsmitglieder zum 14.01.2020“
7 Jan 2020 via GELSENWASSER Service GmbH also 13/12/2019, 23/01/2019
Shareholding: GELSENWASSER Service GmbH
1 Jan 2020 in Fk
Public funding (€27,565): KSI: Renovation of the lighting system of the headquarters of Gelsenwasser AG
5 Dec 2019 via Erdgasversorgung Schwalmtal Verwaltungs-GmbH also 19/12/2018, 15/09/2014, 27/11/2013, 03/01/2013, 16/09/2011, 20/12/2010
Shareholding: Erdgasversorgung Schwalmtal Verwaltungs-GmbH
1 Oct 2019 via Wasserbeschaffung Niederrhein Westfalen GmbH also 23/11/2018
Shareholder: WBDU Wasserbeschaffungsgesellschaft Duisburg mbH
Year 2019 in Fk
5 German state fundings (€126,998): KSI: Renovation of the lighting system of the Unna operations management of Gelsenwasser AG …
22 Aug 2019
Patent: Verfahren zum Reinigen von flüssigkeitsführenden, unter Druck stehenden Trinkwasserleitungen
6 Aug 2019 via MET Epe Beteiligungsgesellschaft mbH also 15/09/2014, 05/11/2013, 09/07/2013, 01/03/2011
Shareholding: KGBE - Kommunale Gasspeicher Beteiligungsgesellschaft Epe mbH
21 May 2019
Authorized signatory (ppa): Joachim Schucht
21 May 2019
Annual report for the year ending 31/12/2018 · Balance sheet for 31/12/2018 · Earnings statement for 31/12/2018 · Shareholdings (67 companies)
3 May 2019
Consolidated Annual report for the year ending 31/12/2018 · Balance sheet for 31/12/2018 · Earnings statement for 31/12/2018 · Shareholdings (68 companies)
18 Apr 2019
Einladung an die Aktionäre zur ordentlichen Hauptversammlung
29 Mar 2019 also 29/03/2018
Reference to Annual Financial Report from 01.01.2018 to 31.12.2019
7 Mar 2019
Annual report
7 Mar 2019
Annual report
14 Jan 2019
Patent: Line cleaning
14 Jan 2019
Patent: Procedure for cleaning cables
10 Jan 2019
Persons
10 Jan 2019
Wordmark: “erenja“
29 Jun 2018 via Erenja Treuhandgesellschaft mbH
Profit Transfer: GELSENWASSER 5. Beteiligungs-GmbH
29 Jun 2018 via GELSENWASSER Industrieservice Schkopau GmbH
Profit Transfer: GELSENWASSER 7. Beteiligungs-GmbH
6 Jun 2018
Original document: “Liste der Aufsichtsratsmitglieder zum 06.06.2018“
11 May 2018
Annual report for the year ending 31/12/2017 · Balance sheet for 31/12/2017 · Earnings statement for 31/12/2017 · Shareholdings (56 companies)
30 Apr 2018
Einladung an die Aktionäre zur ordentlichen Hauptversammlung
30 Apr 2018
Consolidated Annual report for the year ending 31/12/2017 · Balance sheet for 31/12/2017 · Shareholdings (57 companies)
13 Mar 2018
Annual report
21 Feb 2018 in Fk
Public funding (€32,544): Gelsenwasser AG will set up publicly accessible charging stations at seven locations …
10 Nov 2017
Patent: Vorrichtung zum Reinigen von Leitungen
6 Jul 2017
Authorized signatory (ppa) (1)
8 Jun 2017
List of board members
2 Jun 2017
Original document: “Liste der Aufsichtsratsmitglieder zum 02.06.2017“
1 Jun 2017 in Fk
Public funding (€31,250): KSI: Renovation of the lighting system of the Recklinghausen operations management of GELSENWASSER AG
1 Jun 2017 in Fk
Public funding (€31,250): KSI: Renovation of the lighting system of the Recklinghausen operations management of GELSENWASSER AG
1 Jun 2017
Original document: “Liste der Aufsichtsratsmitglieder zum 01.06.2017“
5 May 2017
Persons
3 May 2017
Annual report for the year ending 31/12/2016 · Balance sheet for 31/12/2016 · Earnings statement for 31/12/2016 · Shareholdings (50 companies)
25 Apr 2017
Consolidated Annual report for the year ending 31/12/2016 · Balance sheet for 31/12/2016 · Earnings statement for 31/12/2016 · Shareholdings: Hansewasser Ver- und Entsorgungs-GmbH, Stadtentwässerung …
9 Feb 2017
Patent: Device for cleaning pipes
23 Jan 2017
Patent: Method and Device for Detecting Users Present in a Supply Network
23 Dec 2016
No longer Authorized signatory (ppa) (1)
16 Nov 2016 via Stadtwerke Voerde GmbH also 09/10/2015, 15/08/2014, 19/09/2011
Shareholding: Wasserversorgung Voerde GmbH
18 Oct 2016
Patent: Method for cleaning liquid-carrying, pressurized drinking water pipes
18 Oct 2016
Patent: Verfahren zum Reinigen von flüssigkeitsführenden, unter Druck stehenden Trinkwasserleitungen
18 Oct 2016
Patent: Verfahren zum Reinigen von flüssigkeitsführenden, unter Druck stehenden Trinkwasserleitungen
4 Oct 2016
Persons
1 Sept 2016
Consolidated Annual report for the year ending 31/12/2015 · Balance sheet for 31/12/2015 · Earnings statement for 31/12/2015 · Shareholdings: Hansewasser Ver- und Entsorgungs-GmbH, Stadtentwässerung …
1 Jul 2016
Consolidated Annual report for the year ending 31/12/2015 · Balance sheet for 31/12/2015 · Earnings statement for 31/12/2015 · Shareholdings (47 companies)
24 Jun 2016
Annual report for the year ending 31/12/2015 · Balance sheet for 31/12/2015 · Earnings statement for 31/12/2015 · Shareholdings (46 companies)
10 Jun 2016
Original document: “Liste der Aufsichtsratsmitglieder zum 10.06.2016“
1 Feb 2016
List of board members
1 Feb 2016
List of board members
14 Jan 2016
Original document: “Liste der Aufsichtsratsmitglieder zum 14.01.2016“
24 Dec 2015
Patent: Vorrichtung zum Reinigen von Leitungen
19 Oct 2015 via Dortmunder Stadtwerke AG
Shareholder: Dortmunder Stadtwerke AG
28 Sept 2015
Original document: “Liste der Aufsichtsratsmitglieder zum 28.09.2015“
17 Jul 2015 via WMR Wasserbeschaffung und Energieerzeugung Mittlere Ruhr GmbH also 08/12/2014
Shareholding: Wasserbeschaffung Mittlere Ruhr GmbH
16 Jul 2015 via NGW GmbH
Shareholding: NGW GmbH
24 Jun 2015
Annual report for the year ending 31/12/2014
12 Jun 2015
Annual report for the year ending 31/12/2014 · Balance sheet for 31/12/2014 · Earnings statement for 31/12/2014 · Shareholdings (79 companies)
12 Jun 2015
Consolidated Annual report for the year ending 31/12/2014 · Balance sheet for 31/12/2014 · Earnings statement for 31/12/2014 · Shareholdings (46 companies)
8 Jun 2015
Patent: Vorrichtung zum Reinigen von Leitungen
1 Jun 2015 in Fk
Public funding (€36,973): GroundCare: Parameterization and Quantification of Groundwater Ecosystem Services as a Basis for Sustainable Management, Subproject 4
3 Sept 2014 via GELSENWASSER Dresden GmbH also 13/02/2008
Shareholding: GELSENWASSER Dresden GmbH
1 Aug 2014
Annual report for the year ending 31/12/2013 · Balance sheet for 31/12/2013 · Shareholdings (65 companies)
15 Jul 2014
Consolidated Annual report for the year ending 31/12/2013 · Balance sheet for 31/12/2013 · Earnings statement for 31/12/2013 · Shareholdings (25 companies)
4 Jul 2014 via GELSENWASSER 1. Beteiligungs-GmbH
Control, Profit Transfer: GELSENWASSER 1. Beteiligungs-GmbH
1 Jul 2014
Original document: “Liste der Aufsichtsratsmitglieder zum 01.07.2014“
17 Jun 2014 via Vereinigte Gas- und Wasserversorgung GmbH also 18/08/2004
Profit Transfer: Vereinigte Gas- und Wasserversorgung GmbH
25 Feb 2014 via energiehoch3 GmbH
Shareholding: energiehoch3 GmbH
19 Feb 2014 via GELSENWASSER Magdeburg GmbH also 27/01/2014
Profit Transfer: GELSENWASSER Magdeburg GmbH
7 Feb 2014 via Wasserwerk Mühlgrund GmbH also 17/11/2010, 08/07/2008, 10/12/2007
Shareholding: Wasserwerk Mühlgrund GmbH
20 Dec 2013
Word figurative mark: “ZAK EN“
16 Dec 2013 via Trianel Gasspeicher Epe GmbH & Co. KG
Shareholding: Trianel Gasspeicher Epe GmbH & Co. KG
5 Dec 2013 via WMR Wasserbeschaffung und Energieerzeugung Mittlere Ruhr GmbH also 12/11/2012, 09/12/2010
Shareholder: Wasserbeschaffung Mittlere Ruhr GmbH
26 Nov 2013
Word figurative mark: “STADTWERKE MÜNSTERLAND DER NAHDIENSTLEISTER.“
2 Aug 2013 via Stadtwerke Burg GmbH also 29/06/2010
Shareholding: Stadtwerke Burg GmbH
1 Aug 2013
No longer Authorized signatory (ppa) (2) · Authorized signatory (ppa) (2)
1 Aug 2013 via GELSENWASSER Magdeburg GmbH also 23/07/2013
Profit Transfer: Städtische Werke Magdeburg Beteiligungs-GmbH
11 Jun 2013
Consolidated Annual report for the year ending 31/12/2012 · Balance sheet for 31/12/2012 · Shareholdings (63 companies)
11 Jun 2013
Consolidated Annual report for the year ending 31/12/2012 · Balance sheet for 31/12/2012 · Shareholdings (63 companies)
2 May 2013
Persons
18 Apr 2013 via Wasserbeschaffung Niederrhein Westfalen GmbH
Shareholding: WBDU Wasserbeschaffungsgesellschaft Duisburg mbH
23 Jan 2013
Member of the Executive Board: Dirk Waider · No longer Authorized signatory (ppa): Dirk Waider · No longer Member of the Executive Board (1)
20 Sept 2012 via Städtische Werke Magdeburg GmbH & Co. KG also 18/09/2012, 14/12/2011, 30/09/2011, 09/12/2010, 06/08/2009, 31/07/2009, 23/12/2008, 30/10/2008, 28/12/2007
Shareholder: Städtische Werke Magdeburg GmbH
1 Aug 2012 via GSW Wasser-plus GmbH also 26/01/2012
Shareholding: GSW Wasser-plus GmbH
21 May 2012
Annual report for the year ending 31/12/2011 · Balance sheet for 31/12/2011 · Earnings statement for 31/12/2011
21 May 2012
Consolidated Annual report for the year ending 31/12/2011 · Balance sheet for 31/12/2011 · Earnings statement for 31/12/2011
17 Jan 2012
No longer Member of the Executive Board (1)
6 Jan 2012
No longer Member of the Executive Board (1)
15 Dec 2011 via Städtische Werke Magdeburg GmbH & Co. KG also 30/09/2011, 07/09/2010, 17/10/2007
Shareholding: Städtische Werke Magdeburg GmbH
23 Nov 2011 via GELSENWASSER Magdeburg GmbH also 29/01/2010, 23/12/2008, 23/01/2008
Shareholding: GELSENWASSER 1. Beteiligungs-GmbH
1 Nov 2011 in Fk
Public funding (€90,403): PRiMaT: Preventive Risk Management in Drinking Water Supply, Subproject 4
28 Oct 2011
Member of the Executive Board: Henning Deters
28 Oct 2011
List of board members
19 Oct 2011
Member of the Executive Board: Henning Deters
13 Oct 2011
Original document: “Liste der Aufsichtsratsmitglieder zum 13.10.2011“
19 Sept 2011 via Gemeindewerke Hünxe GmbH
Shareholding: Gasversorgung Hünxe GmbH
7 Jun 2011
Original document: “Liste der Aufsichtsratsmitglieder zum 07.06.2011“
31 May 2011
Consolidated Annual report for the year ending 31/12/2010 · Balance sheet for 31/12/2010 · Shareholdings (76 companies)
30 May 2011
Annual report for the year ending 31/12/2010 · Balance sheet for 31/12/2010 · Earnings statement for 31/12/2010 · Shareholdings (70 companies)
3 May 2011
Figurative mark: “Figurative“
20 Jan 2011 via Wasserbeschaffung Niederrhein Westfalen GmbH
Shareholder: GELSENWASSER 1. Gesellschaft für Projekte mbH
2 Dec 2010 via GELSENWASSER 1. Beteiligungs-GmbH
Shareholding: Erdgaswärme Gesellschaft für Heizungs- und Klimatechnik mbH
23 Aug 2010
Company statute · Corporate Purpose · Sub­sidiary
4 Aug 2010
Company statute · Corporate Purpose
24 Jun 2010
Consolidated Annual report for the year ending 31/12/2009 · Balance sheet for 31/12/2009 · Earnings statement for 31/12/2009 · Shareholdings (16 companies)
9 Jun 2010
Annual report for the year ending 31/12/2009 · Balance sheet for 31/12/2009 · Shareholdings (64 companies)
2 Jun 2010
Original document: “Gesellschaftsvertrag / Satzung / Statut“
1 May 2010 in Fk
Public funding (€83,062): NanoPurification - Development of advanced materials and processes for water and wastewater treatment using functional nanocomposites
12 Apr 2010
Original document: “Gesellschaftsvertrag / Satzung / Statut“
24 Mar 2010 via WESTFALICA GmbH
Profit Transfer: WESTFALICA GmbH
23 Feb 2010 via GELSENWASSER Energienetze GmbH also 11/02/2010, 12/11/2009
Acquisition, Spin-off: GELSENWASSER Energienetze GmbH
29 Jan 2010
Word figurative mark: “HYDRA“
27 Jan 2010
Original document: “Gesellschaftsvertrag / Satzung / Statut“
27 Jan 2010
Original document: “Gesellschaftsvertrag / Satzung / Statut“
2 Dec 2009
Original document: “Liste der Aufsichtsratsmitglieder zum 02.12.2009“
1 Dec 2009
Original document: “Liste der Gesellschafter“
1 Dec 2009
Original document: “Liste der Gesellschafter“
1 Dec 2009
Original document: “Liste der Gesellschafter“
12 Nov 2009
Merger: Gasversorgung Westfalica GmbH
12 Nov 2009
Merger: Niederrheinische Gas- und Wasserwerke GmbH
12 Nov 2009
Acquisition: GELSENWASSER Energienetze GmbH · Spin-off: GELSENWASSER Energienetze GmbH
12 Nov 2009
The spin-off registered on 26.08.2009 is registered with the entry on the register of the transferring legal entity ...
2 Nov 2009 via Gasversorgung Westfalica GmbH
Merger: Gasversorgung Westfalica GmbH
4 Sept 2009 via Niederrheinische Gas- und Wasserwerke GmbH
Merger: Niederrheinische Gas- und Wasserwerke GmbH
28 Aug 2009
Profit Transfer: Vereinigte Gas- und Wasserversorgung GmbH, Gasversorgung Westfalica GmbH · Acquisition: Vereinigte Gas- und Wasserversorgung GmbH, Gasversorgung Westfalica GmbH · Break-up … · Address
20 Aug 2009
Annual report for the year ending 31/12/2008
17 Aug 2009 via WESTFALICA GmbH
Profit Transfer: Westfalica GmbH
21 Jul 2009
Original document: “Liste der Gesellschafter“
18 Jun 2009
Annual report for the year ending 31/12/2008 · Balance sheet for 31/12/2008 · Earnings statement for 31/12/2008 · Shareholdings (30 companies)
18 Jun 2009
Annual report for the year ending 31/12/2008 · Balance sheet for 31/12/2008 · Earnings statement for 31/12/2008 · Shareholdings (63 companies)
26 May 2009
Acquisition (4 companies) · Merger (4 companies) · Spin-off (4 companies) · Break-up (4 companies)
21 Apr 2009
Original document: “Liste der Aufsichtsratsmitglieder zum 21.04.2009“
1 Apr 2009
Original document: “Liste der Aufsichtsratsmitglieder zum 01.04.2009“
25 Mar 2009
Wordmark: “Gelsengas“
25 Mar 2009
Wordmark: “Gelsenstrom“
29 Dec 2008
Original document: “Liste der Gesellschafter“
29 Dec 2008
Original document: “Liste der Gesellschafter“
29 Dec 2008
Original document: “Liste der Gesellschafter“
3 Dec 2008 via Erdgasversorgung Schwalmtal GmbH & Co. KG
Shareholder: Erdgasversorgung Schwalmtal GmbH & Co. KG
24 Nov 2008
Authorized signatory (ppa): Dirk Waider · No longer Authorized signatory (ppa) (1)
20 Nov 2008
Original document: “Liste der Aufsichtsratsmitglieder zum 20.11.2008“
13 Nov 2008
Authorized signatory (ppa): Dirk Waider · No longer Authorized signatory (ppa) (1)
28 Oct 2008
Original document: “Liste der Gesellschafter“
28 Oct 2008
Original document: “Gesellschaftsvertrag / Satzung / Statut“
7 Jul 2008 via Trianel Gasspeicher Epe GmbH & Co. KG also 27/07/2007
Shareholder: Trianel Gasspeichergesellschaft Epe mbH & Co. KG
30 Jun 2008
Annual report for the year ending 31/12/2007 · Balance sheet for 31/12/2007 · Earnings statement for 31/12/2007 · Shareholdings (40 companies)
30 Jun 2008
Consolidated Annual report for the year ending 31/12/2007 · Balance sheet for 31/12/2007 · Earnings statement for 31/12/2007 · Shareholdings (14 companies)
7 Dec 2007
Annual report for the year ending 31/12/2006 · Balance sheet for 31/12/2006 · Earnings statement for 31/12/2006 · Shareholdings (24 companies)
29 Nov 2007
Annual report for the year ending 31/12/2006 · Balance sheet for 31/12/2006 · Earnings statement for 31/12/2006 · Shareholdings (24 companies)
24 Oct 2007 via Stadtwerke Castrop-Rauxel GmbH
Shareholding: Wasserwirtschaft Südniedersachsen GmbH
10 Jul 2007
Profit Transfer: GELSENWASSER Energienetzte GmbH · Company statute
2 Jul 2007
Profit Transfer: GELSENWASSER Energienetzte GmbH · Company statute
16 May 2007
Original document: “Gesellschaftsvertrag / Satzung / Statut“
22 Dec 2006
Authorized signatory (ppa) (1) · No longer Authorized signatory (ppa) (1)
9 Oct 2006
No longer Authorized signatory (ppa) (1)
8 Jun 2006
Company statute
5 Aug 2005
No longer Authorized signatory (ppa) (1)
26 Jul 2005
No longer Authorized signatory (ppa) (1)
9 May 2005
No longer Authorized signatory (ppa) (2)
28 Apr 2005
No longer Authorized signatory (ppa) (2)
10 Feb 2005
Authorized signatory (ppa) (1) · No longer Authorized signatory (ppa) (1)
1 Feb 2005
Authorized signatory (ppa) (1) · No longer Authorized signatory (ppa) (1)
10 Nov 2004
No longer Member of the Executive Board (1)
6 Aug 2004
Member of the Executive Board (1)
7 Jul 2004
No longer Member of the Executive Board (1)
19 Apr 2004
Profit Transfer: Wasser und Gas Westfalen GmbH
8 Apr 2004
Profit Transfer: Wasser und Gas Westfalen GmbH
8 Apr 2003
Authorized signatory (ppa) (2)
26 Mar 2003
No longer Authorized signatory (ppa) (2) · No longer Member of the Executive Board (1)
15 Nov 2002
Member of the Executive Board (1)
11 Nov 2002
No longer Authorized signatory (ppa) (1)
29 May 2002
No longer Authorized signatory (ppa) (1)
15 Apr 2002
No longer Authorized signatory (ppa) (2)
5 Apr 2002
Reg­is­tra­tion · Member of the Executive Board (4) · Authorized signatory (ppa) (6) · Seat: Gelsenkirchen · Legal form: AG · Name: GELSENWASSER AG · Proxy policy · Corporate Purpose
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Mentions

14 Jul 2026 in Hrcdd
Limited Partner: Wassernetzgesellschaft Recklinghausen mbH & Co. KG
Year 2026 in Hrdk
Shareholdings (8 companies)
16 Mar 2026 in Hrcdd
Limited Partner: Bielefelder Wasserverbundleitung GmbH & Co. KG
Year 2025 in Hrdk
Shareholdings (13 companies)
8 Jul 2025 in Hrcdd
No longer Limited Partner: KGE - Kommunale Gasspeichergesellschaft Epe mbH & Co. KG
26 Mar 2025 in Hrcdd
Limited Partner: Stadtwerke Hamminkeln GmbH & Co. KG
Year 2024 in Hrdk also 07/11/2017, 26/11/2009
Shareholdings (6 companies)
24 Apr 2024 in Vr
Shareholding: KMS Kraslická Městská Společnost s.r.o
26 Mar 2024 in Vr
Shareholding: Terea Cheb s.r.o
16 Feb 2024 in Hrcdd
Limited Partner: Wassernetz Waltrop GmbH & Co. KG
Year 2023 in Hrdk
Shareholdings (7 companies)
28 Sept 2023 in Hrcdd
No longer Profit Transfer: GELSENWASSER 1. Beteiligungs-GmbH
Year 2022 in Hrdk
Shareholdings (4 companies)
11 Aug 2022 in Hrcdd
Acquisition, Spin-off: GELSENWASSER Beteiligungen SE
27 Jan 2022 in Hrcdd
No longer Limited Partner: Erdgasversorgung Schwalmtal GmbH & Co. KG
Year 2021 in Hrdk
Shareholdings (15 companies)
Year 2020 in Hrdk also 02/12/2016
Shareholdings (9 companies)
Year 2019 in Hrdk also 19/11/2015, 15/08/2014, 30/12/2008
Shareholding
Year 2018 in Hrdk
Shareholdings (14 companies)
25 Jan 2018 in Ler
No longer Direct parent: Chemiepark Bitterfeld-Wolfen GmbH
4 Jan 2018 in Ler
No longer Ultimate parent: Chemiepark Bitterfeld-Wolfen GmbH
Year 2014 in Hrcdd
Control · Profit Transfer: GELSENWASSER Magdeburg GmbH
Year 2013 in Hrdk also 01/11/2011
Shareholdings (5 companies)
Year 2012 in Hrdk also 17/12/2010
Shareholdings (11 companies)
5 Nov 2012 in Hrcdd
No longer Limited Partner: Städtische Werke Magdeburg GmbH & Co. KG
6 Jun 2012 in Hrcdd
Limited Partner: Trianel Gasspeicher Epe GmbH & Co. KG
5 Feb 2010 in Hrcdd also 29/10/2009
Profit Transfer, Acquisition, Break-up: Vereinigte Gas- und Wasserversorgung GmbH
7 Aug 2008 in Hrcdd also 24/07/2006
Limited Partner: Trianel Gasspeichergesellschaft Epe mbH & Co. KG
16 Jan 2008 in Hrcdd also 14/12/2007, 23/11/2007
Profit Transfer: GELSENWASSER Energienetze GmbH
9 Nov 2007 in Hrdk
MET Epe Beteiligungsgesellschaft mbH: “Liste der Gesellschafter“
10 Jul 2007 in Hrdk
hertenwasser GmbH: “Liste der Gesellschafter“
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