
Switchgear and control system construction for industry, buildings and energy infrastructure with retrofit and CNC machining

A. & E. Geissmann AG
Dottikon (CH)New on Amplifa
About us
A. & E. Geissmann AG is a Swiss SME founded in 1991 and based in Dottikon AG, specialising in the construction of electrical switchgear and control systems. The company supports projects across their entire life cycle: from technical consulting and engineering through manufacturing, installation and assembly to documentation and test reports. In addition to building new control cabinets and complex systems – including main distribution boards with switching capacities up to 10'000 A – the company carries out retrofits and conversions of existing control systems, refurbishes them, adapts them to new standards and integrates new components to increase energy efficiency. All work is executed in compliance with IEC/EN/NIN/UL, accompanied by complete documentation and test reports. Customers come from industries such as cement and aluminium, shipbuilding, hydropower, steel, mining and data centers, including Jura Cement, ABB, Sika AG and Green Datacenter AG. The company also offers CNC machining in its own workshop in Dottikon.
- Site
- Dottikon
- Processes
- Switchgear construction, Control system construction, Retrofit & conversions (control system refurbishment, standards adaptation), Manufacturing and installation/assembly of electrical switchgear, CNC machining, Technical consulting / Engineering, Testing with test reports (IEC/EN/NIN/UL-compliant acceptance, verified wiring), Documentation / Standards compliance (UL 508A, IEC/EN/NIN)
- Materials
- UL 508A, Standards Compliance IEC/EN/NIN
- Certificates
- UL 508A, Standards compliance IEC/EN/NIN/UL 508A, UL 508A Qualification Examination, IEC/EN/NIN/UL Compliance
- Founded
- 1991
- Industries
- Cement/Building materials, Aluminium industry, Shipbuilding, Hydropower, Steel industry, Mining
- 01
Technical Consulting / Engineering & Planning
- 02
Switchgear & Control System Construction
- 03
CNC Machining
- 04
Installation & Assembly
- 05
Testing & Acceptance (Test Reports)
- 06
Documentation & Standards Compliance
- 07
Retrofit & Service
Processes & Services
UL 508A
Certified switchgear construction for the US market in accordance with UL 508A.
Standards Compliance IEC/EN/NIN
Standard-compliant execution and acceptance assurance for projects in Switzerland, the EU and the USA.
Locations

Dottikon
CHHeadquarters with workshop and storage hall
- Workshop
- Storage hall
- CNC machining
Projects & Systems



Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Switchgear constructionAssembly | – | – | – | – | – |
| Control system constructionAssembly | – | – | – | – | – |
| Retrofit & conversions (control system refurbishment, standards adaptation)Engineering | – | – | – | – | – |
| Manufacturing and installation/assembly of electrical switchgearAssembly | – | – | – | – | – |
| CNC machiningMachining | – | – | – | – | – |
| Technical consulting / EngineeringEngineering | – | – | – | – | – |
| Testing with test reports (IEC/EN/NIN/UL-compliant acceptance, verified wiring)Testing | – | – | – | – | – |
| Documentation / Standards compliance (UL 508A, IEC/EN/NIN)Testing | – | – | – | – | – |
Additional services
Reference customers
Quality & Standards Compliance
The switchgear is delivered with verified wiring, complete documentation and test reports in accordance with IEC/EN/NIN/UL. A passed UL 508A Qualification Examination ensures conformity for the US market.
| Evidence | Dottikon |
|---|---|
| UL 508A Qualification Examination | |
| IEC/EN/NIN/UL Compliance |
History
- 1991
Founding of A. & E. Geissmann AG
Extension of the original residential building to include a workshop and large storage hall due to business success