Expin Group

Electric railway contracting services with proven skills and high quality

Expin Group with the subsidiaries Elektrosignal Infra and Ratatek, together with TKBM,  are leaders in the Swedish and Finnish market for the electrification of rail infrastructure. The company's focus is on electrification and signal and telecom systems for rail infrastructure, which is a profitable and growing niche. By combining resources and expertise from Swedish and Finnish market, the sensitivity to economic fluctuations in individual countries is reduced, creating a stable and resilient business. 

Operational companies within Expin Group:

• Elektrosignal Infra - experts in electricity, signalling and telecommunications installations for rail infrastructure in Sweden.
• Ratatek - experts in electrification of rail infrastructure in Finland and Sweden.
• TKBM Entreprenad - Experts in small construction contracts in Mälardalen.