Gelsenwasser Headquarters & Office Locations

Public company. Headquarters: 26 Willy-Brandt-Allee, Gelsenkirchen, North Rhine-Westphalia 45891, Germany.

Headquarters
Gelsenkirchen, North Rhine-Westphalia
Total locations · 3+ countries
15
Employees · est. 2026
1,595

Identity graph

Gelsenwasser headquarters, locations and relationships

Headquarters26 Willy-Brandt-Allee, Gelsenkirchen, North Rhine-Westphalia 45891, GermanyOpen in Google Maps
Legal name
GELSENWASSER AG
Industry
Water Distribution
Founded
1887
Ticker
FSX: WWG

Gelsenwasser office locations

15 total · 3+ countries
Gelsenwasser office locations: headquarters and key locations
CityState / regionCountryType
GelsenkirchenNorth Rhine-WestphaliaGermanyHeadquarters
——AustraliaOffice
PencranBrittanyFranceOffice
PlouédernBrittanyFranceOffice
RennesBrittanyFranceOffice
Saint-Pierre-QuiberonBrittanyFranceOffice
See all 15 locations
Parent company
Gelsenwasser is part of WASSER UND GAS WESTFALEN GMB.

Verified from public filings, company websites and news · Methodology

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About Gelsenwasser

Gelsenwasser (FSX: WWG) is headquartered in Gelsenkirchen, North Rhine-Westphalia, Germany. Founded in 1887, the company has 15 recorded locations across 3+ countries and employs approximately 1,595 people worldwide.

Where is Gelsenwasser's main office?

Gelsenwasser's main headquarters office is located at 26 Willy-Brandt-Allee, Gelsenkirchen, North Rhine-Westphalia 45891, Germany. This is the company's primary corporate address.

Gelsenwasser regional offices

Beyond its headquarters in Gelsenkirchen, Gelsenwasser has recorded locations in Germany, Australia and France.

Gelsenwasser contact information

The main switchboard for Gelsenwasser headquarters can be reached at +49 4920 97080. Official website: gelsenwasser.de.

What does Gelsenwasser do?

Gelsenwasser AG provides water, natural gas, electricity and local co-generation services to households, municipal distributors and industries primarily located in Ruhr, Muensterland, lower Rhein and Eastern Westphalia. The Company also offers services in other regions and operates sewage treatment plants.

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  1. Target Define the market Build the account list from companies shaped like your best customers, Gelsenwasser included. Fingerprint search 
  2. Cover Plan territories Gelsenwasser's 15 locations roll up to one account, so it lands in one territory, once. Territory planning 
  3. Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring 
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  5. Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer 
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Gelsenwasser: frequently asked questions

Where is Gelsenwasser headquarters?

26 Willy-Brandt-Allee, Gelsenkirchen, North Rhine-Westphalia 45891, Germany.

What is Gelsenwasser's phone number?

+49 4920 97080 (headquarters).

When was Gelsenwasser founded?

1887.

How many employees does Gelsenwasser have?

About 1,595, as of October 2026 (GraphIQ.ai estimate).

How many offices does Gelsenwasser have?

15 locations across 3+ countries, including Pencran, Plouédern, Rennes, Saint-Pierre-Quiberon.

Is Gelsenwasser a public company?

Yes. Gelsenwasser trades on FSX under the ticker WWG.

Questions about GraphIQ.ai

Is GraphIQ.ai a list of companies like a spreadsheet?

No. Each organization resolves to one verified entity linked to its parent, subsidiaries, people and signals, so Gelsenwasser here is the same Gelsenwasser in your CRM, territory plan and agent answers.

Where does this Gelsenwasser data come from?

Public filings, company websites and news, resolved to one entity and continuously updated.

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393MEmployees
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