
Development, production and assembly of network cabling systems for buildings and industry.
BKS Engineering AG
Seftigen (CH)New on Amplifa
About BKS Engineering AG
BKS Engineering AG, based in Seftigen, develops, produces, delivers and implements complete network cabling infrastructures for the most demanding requirements in the building and industrial sectors. The company is a developer and manufacturer of innovative copper systems for all classes and categories according to ISO/IEC and offers its own cabling systems such as NewLine MMCpro/RJpro, EcoLine RJ45 and Single Pair Ethernet (SPE). Its value chain includes an in-house assembly department for copper cables (patch and CP cables) that can also fulfil short-term customer requests. Since 2025, BKS has been an official distributor for MegaLine® data cables from KERPEN DATACOM. Over more than 35 years, more than 10'000 projects have been implemented, including in banks, hotels, hospitals, schools, industrial companies, pharmaceutical corporations, public administration and data centres. Founded in 1985, the company has operated since 2024 as a subsidiary under the umbrella of Telma AG from its location in Seftigen.
- Site
- Seftigen
- Processes
- Assembly of copper cables (patch and CP cables), Support, Development, production, delivery and implementation of network cabling infrastructures, Custom cabling solutions
- Materials
- Copper
- Founded
- 1985
- Industries
- Building cabling, Industrial cabling, Banks, Hotels, Healthcare, Education
- 01
Development
- 02
Production
- 03
Assembly
- 04
Delivery
- 05
Implementation
- 06
Support
Materials
Copper
Base material for copper cable assembly (patch and CP cables) and the company's own copper cabling systems.
Locations

Seftigen
CHHead office / Sales and assembly
- Materials
- Copper
Products and Systems





Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Assembly of copper cables (patch and CP cables)Joining | – | – | – | – | Copper |
Additional services
Reference customers
Company History
- 1985
Foundation of the company: trading in installation cables and control cables (founder Peter Mändli)
- 1992
Introduction of NewLine: the world's first fully shielded RJ45 system for 100-MB applications
- 1996
Introduction of NewLine MMC (up to 2'000 MHz): chamber connector system construction protected by worldwide patents, cable sharing down to pair level
- 2009
Launch of NewLine RJpro (world first): RJ45 jacks according to Category 6A / Class EA
- 2013
Launch of MMCpro 6P: the world's first 6-pair twisted-pair cabling solution, Category 8
- 2015
BKS Kabel-Service AG celebrates its 30th anniversary
- 2020
Change of ownership: opus 8 ag acquires 100% of the shares of BKS Kabel Service AG and subsidiaries
- 2022
BKS Kabel-Service AG enters provisional moratorium proceedings
- 2023
Day-to-day business maintained with a reduced workforce
- 2024
Transfer of operations to the subsidiary BKS Engineering AG; Telma AG acquires 100% of the shares including BKS Kabel-Service GmbH (DE); relocation to a new site in Seftigen
- 2025
BKS becomes an official distributor for MegaLine® data cables from KERPEN DATACOM (from January 2025)