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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,962 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesGerlafingenJAJA Generalbau AG
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Verified· 3 sources

JAJA Generalbau AG

Summary

About the company

JAJA Generalbau AG is a building-services company active in energy and building technology, providing sanitary, heating, ventilation, flat-roof construction, planning and energy consulting services.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered4
Plumbing
Plumbing work for new builds, renovations and extensions; advice on modern sanitary installations and fittings, replacement investments and minor repairs such as leaking taps or blocked pipes.
Heating
Heating system design, renovation and maintenance with oil and gas boilers, heat pumps, wood heating systems and solar technology to support heating.
Ventilation
Planning, execution and maintenance of comfort ventilation systems with heat recovery for energy-optimised buildings and improved living comfort.
Planning
Planning in the fields of heating, cooling, ventilation and plumbing; support for projects from concept through implementation to maintenance.
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Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 45 reviews across all connected sources

Sources
GGoogle4.845
★TrustpilotSoon
PProvenExpertSoon

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Location

Biberiststrasse 4
4563 Gerlafingen
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-286.131.039
Founded
2020 · 6 years
Last commercial register change
May 7, 2024
Employees
11 to 20

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