| 1986 |
Established a Joint Venture between Volkswagen AG and Siemens AG, given the name Volkswagen Bordnetze GmbH in Berlin Initial start of production for Polo and Golf wire harnesses |
| 1990 |
Opened the first location abroad in Cerkezköy, Turkey |
| 1992 |
Opened location in Gorzów, Poland |
| 1993 |
Volkswagen Bordnetze has emerged from a manufacturer to also a developing company: responsible for VW Golf A4 in terms of conception, construction, supply chain management, prototypes and design |
| 1995 |
Initial start of logistic center in Emden, Germany |
| 1996 |
Opened location in Nitra, Slovakia |
| 1997 |
Delivered the first customer specific wire harness (KSK) for VW Golf A4 |
| 2000 |
Relocated Headquarters from Berlin to Wolfsburg, Germany |
| 2001 |
Opened the first location in Africa: Tanger, Morocco |
| 2001 |
Opened location in Pamplona, Spain |
| 2004 |
Formed Joint Ventures in Changchun and Suzhou, China |
| 2006 |
Volkswagen AG and Siemens AG sold Volkswagen Bordnetze GmbH. Sumitomo Electric Industries and Sumitomo Wiring Systems acquired the company: Sumitomo Electric Bordnetze GmbH. |
| 2006 |
Opened location in Karnobat, Bulgaria |
| 2006 |
Opened location in Ternopil, Ukraine |
| 2007 |
Entered into the Americas: Established location in Tlaxcala, Mexico |
| 2008 |
Opened location in Mezdra, Bulgaria |
| 2008 |
Opened location in El Irtyah, Tunisia |
| 2009 |
Opened location in Chengdu, China |
| 2010 |
Opened a location in Caransebes, Romania |
| 2015 |
SEBN GmbH was converted to a stock company under German law: Sumitomo Electric Bordnetze AG |
| 2016 |
SEBN AG has been further converted into an European stock company Societas Europeae: Sumitomo Electric Bordnetze SE |
