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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,806 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryAppenzell SteineggWyon Holding AG
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Verified· 3 sources

Wyon Holding AG

Summary

About the company

The company's purpose is to provide project management, feasibility studies, development and production of batteries and related products, as well as holding and acquiring participations, patents, rights and properties. The company may establish subsidiaries and branches, and participate in other companies. The company may acquire, hold, encumber and dispose of real estate and intellectual property rights. The company may also carry out all commercial, financial and other activities that are directly or indirectly related to the company's purpose. The company may grant loans and other direct or indirect financing to group companies and third parties, including its (direct and indirect) shareholders and their group companies, including within the framework of cash pooling agreements, and provide security of all kinds for their liabilities, including by way of pledges on or fiduciary transfers of the company's assets or guarantees of any kind, whether remunerated or not.

Commercial register, canton of AI·As of May 19, 2026View on Zefix
Offering

Products & services

Industry:Mechanical Engineering Industry
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✓ Offered
6
Rechargeable lithium-ion batteries for medical technology
Small and micro-batteries for powering safety-critical medical devices; high energy density, long service life, functional safety, and standard products from stock as well as bespoke solutions.
Implantable batteries
Miniature batteries for active implants with biocompatible titanium, hermetically sealed glass-metal feedthroughs, and certified solutions for specific requirements.
Body-worn batteries
Compact battery solutions for body-worn medical devices, tailored to customers’ form and function requirements and designed for reliable, long-lasting power supply.
Custom batteries
Tailor-made battery solutions for implantable devices, portable diagnostics and therapies; customisation of cell chemistry, form factor, and electrical interfacing.
Development and validation of battery technologies
Development, concept studies, prototype studies and series validation for medical battery solutions; including risk analyses, regulatory requirements and production concepts.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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Location

Sägehüslistrasse 15
9050 Appenzell Steinegg
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:00
Tue
07:00 - 12:00, 13:15 - 17:00
Wed
07:00 - 12:00, 13:15 - 17:00
Thu
07:00 - 12:00, 13:15 - 17:00
Fri
07:00 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.202.327
Founded
1999 · 27 years
Last commercial register change
May 19, 2026
Employees
11 to 20

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