Company Performance Metrics
KELLER JA KO provides electrical contracting services focused on interior electrical installations and related work in buildings. The company installs wiring, lighting, power outlets, and internal cabling for apartments, private houses, apartment associations, shops, offices, and other commercial premises. It carries out electrical measurements,
prepares electrical projects, and performs technical inspections to verify the condition and safety of installations. KELLER JA KO also installs building supply cables, grounding systems, and floor heating, and renovates outdated electrical systems in both newer and older structures. The firm assembles or procures electrical and automation switchboards tailored to specific technical requirements. It offers maintenance and operation contracts to keep electrical equipment up to 1000V in working order and compliant with regulations. Excavation work is arranged either directly or through partners, including mini-excavator services where needed for cabling and grounding projects.
