Global presence

Kolektor Sisteh

Kolektor Sisteh is the leading Slovenian provider of technological solutions in the field of automation, LV power supply and water treatment technologies.  

The company's vision is to develop technologically advanced and innovative solutions in the wider international market. With state-of-the-art equipment, advanced control systems technologies and innovative technological solutions, they improve the processes of business partners in industry, energy and infrastructure. 

With a strong development and implementation team of highly qualified and motivated employees, they have successfully completed more than 5000 projects in the past 30 years in Slovenia and abroad.

ISO 9001 (30. 06. 2026)
ISO 14001 (09. 02. 2025)
ISO 27001 (29. 08. 2025)
  • Stojan Kokošar, Managing Director
  • Jernej Hrovat, Director Engineering
  • Branko Bolko, Director Finance, Commerce


Kolektor Sisteh d.o.o.
Zasavska cesta 95
SI-1231 Ljubljana - Črnuče

T +386 1 563 63 00


BU Idrija
Vojkova ulica 8b, p.p.57
SI-5280 Idrija
T +386 5 372 06 50

BU Maribor
Limbuška c. 2
SI-2341 Limbuš
T +386 2 421 35 90 


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