Identity graph
Jansen headquarters, locations and relationships
- Legal name
- Jansen GmbH
- Industry
- Mining and Metals
- Founded
- 1923
- Phone
- +41 71 763 91 11
- Website
- jansen.com
- LinkedIn profile for Jansen
Jansen office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Oberriet | Saint Gallen | Switzerland | Headquarters |
| Koestraat | Flanders | Belgium | Office |
| Oude Baan | Flanders | Belgium | Office |
| Dingelstädt | Thuringia | Germany | Office |
| Warsaw | Mazovia | Poland | Office |
| Sankt Gallen | Saint Gallen | Switzerland | Office |
- Parent company
- No parent company recorded in GraphIQ.ai.
Verified from public filings, company websites and news · Methodology
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About Jansen
Jansen is headquartered in Oberriet, Saint Gallen, Switzerland. Founded in 1923, the company has 36 recorded locations across 6+ countries and employs approximately 600 people worldwide.
Where is Jansen's main office?
Jansen's main headquarters office is located at 34 Industriestrasse, Oberriet, Saint Gallen 9463, Switzerland. This is the company's primary corporate address.
Jansen regional offices
Beyond its headquarters in Oberriet, Jansen has recorded locations in Switzerland, Belgium, Germany, Poland, The Netherlands and United Kingdom.
Jansen contact information
The main switchboard for Jansen headquarters can be reached at +41 71 763 91 11. Official website: jansen.com.
What does Jansen do?
Jansen AG develops and manufactures building systems, solar, steel tubes, and plastics products. The Company produces thermoplastic plastics, photovoltaic and solar thermal systems, windows, doors, facades, and precision steel tubes. Jansen serves customers worldwide.
One entity, every stage
Put Jansen to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, Jansen included. Fingerprint search
- Cover Plan territories Jansen's 36 locations roll up to one account, so it lands in one territory, once. Territory planning
- Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring
- Convert Close on a resolved record Inbound and closed-won attach to one CRM record, with no duplicates to merge. CRM enrichment
- Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer
- Expand Find the next buyer inside Follow subsidiaries and divisions to the next team that can buy. Account expansion
About the source
What is GraphIQ.ai?
A B2B identity graph. It resolves each organization into one verified entity and maps its parent and subsidiaries, employees, competitors and news signals. Revenue teams use it in the product; AI agents query it through the REST API and MCP server.
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Jansen: frequently asked questions
Where is Jansen headquarters?
34 Industriestrasse, Oberriet, Saint Gallen 9463, Switzerland.
What is Jansen's phone number?
+41 71 763 91 11 (headquarters).
When was Jansen founded?
1923.
How many employees does Jansen have?
About 600, as of October 2026 (GraphIQ.ai estimate).
How many offices does Jansen have?
36 locations across 6+ countries, including Koestraat, Oude Baan, Dingelstädt, Warsaw.
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 Jansen here is the same Jansen in your CRM, territory plan and agent answers.
Where does this Jansen data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.