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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringBernHEFTI. HESS. MARTIGNONI. Bern AG
HEFTI. HESS. MARTIGNONI. Bern AG Logo
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HEFTI. HESS. MARTIGNONI. Bern AG

Summary

About the company

HEFTI. HESS. MARTIGNONI. Bern AG is a company within the HHM Gruppe providing building services planning (HLKSE+) and electrical engineering. Its services include energy supply, lighting concepts, building automation, fire protection planning and overall coordination/BIM.

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Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered12
Overall building services planning (HLKSE+)
Overall building services planning for building and infrastructure projects, including coordination of the HLKSE trades and adjacent building technology topics.
HVAC and Sanitary Engineering
HVAC and sanitary engineering for building and infrastructure projects, with planning for heating, air conditioning, ventilation and plumbing.
Electrical Engineering
Electrical engineering for building and infrastructure projects, including planning of technical electrical systems and cable systems.
Building Automation
Building automation for building services systems, aligned with design, operation and integration into overall projects.
Overall Coordination and BIM
Overall coordination and BIM support for the coordinated planning of building services and infrastructure projects.
Sustainability Consulting in Projects
Support for implementing sustainability goals in projects, including the integration of sustainability aspects into processes and deliverables.
Energy Supply
Planning of energy supply solutions in the context of building services and infrastructure.
Photovoltaics
Photovoltaic specialist planning for buildings and installations, including in combination with other building services solutions.
E-mobility
Planning of e-mobility solutions in the building services environment, as part of integrated energy and infrastructure concepts.
Lighting Design and Light Pollution
Lighting design with consideration of light pollution for buildings, installations and public spaces.
Security and Door Engineering
Security and door engineering for buildings, focusing on technical planning and integration into overall projects.
Fire Protection
Fire protection planning for building and infrastructure projects, including project-specific fire protection solutions and implementations.
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Location

Zieglerstrasse 29
3007 Bern
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-113.710.554
Founded
2007 · 19 years
Last commercial register change
July 28, 2026
Employees
101 to 500

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