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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,814 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringAarauHEFTI. HESS. MARTIGNONI. 4U AG
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HEFTI. HESS. MARTIGNONI. 4U AG

Summary

About the company

HEFTI. HESS. MARTIGNONI. 4U AG is part of the HHM Group and provides services in overall building-technical planning (HLKSE+), HLKS and electrical engineering for building and infrastructure projects, including areas such as building automation, energy supply, photovoltaics, e-mobility, lighting, security/door engineering and fire protection.

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Location

Neumattstrasse 13
5000 Aarau
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-396.727.263
Founded
2017 · 9 years
Last commercial register change
August 11, 2026
Employees
11 to 20

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