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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,962 companies indexed · Last updated: today
DirectoryIT & CommunicationTelecommunicationsHaldensteinGrischa Tech AG
Grischa Tech AG Logo
Verified· 3 sources

Grischa Tech AG

Summary

About the company

The core activity of Grischa Tech AG is the provision of services in the field of telecom network infrastructure expansion, particularly: FTTx projects (Fiber-to-the-Home/Building/Curb/Street), cable laying and installation, construction and project management of mobile network infrastructure projects. The company thus offers services that encompass the planning, execution and maintenance of telecommunications network infrastructures.

AI-generated
Offering

Products & services

Industry:Telecommunications
✓ Offered6
Fibre-optic projects
Fibre-optic new connections for residential, commercial and infrastructure buildings, expansion of existing networks, and migrations and conversions during live operation.
Cable pulling and installation
Cable pulling and installation work in new and existing infrastructure, interregional cable routing, and dismantling for fibre-optic and copper cables.
Trench and conduit rehabilitation
Renewal, replacement and maintenance of trenches and conduit routes using modern methods to improve capacity, operational reliability and service life.
Internet setup service
Advice, planning and setup of internet, Wi‑Fi and end devices, including Wi‑Fi extensions, router placement, configuration and on-site commissioning.
Construction and project consulting
Advice, cost estimation, planning and control of construction and infrastructure projects with schedule, cost and quality monitoring.
Project mandates
Project management, site supervision, and schedule and quality management for construction projects from execution through handover.
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Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.810
★TrustpilotSoon
PProvenExpertSoon

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Location

Hanfrosa 1
7023 Haldenstein
Opening hours
Mon
07:30 - 11:45, 13:30 - 17:30
Tue
07:30 - 11:45, 13:30 - 17:30
Wed
07:30 - 11:45, 13:30 - 17:30
Thu
07:30 - 11:45, 13:30 - 17:30
Fri
07:30 - 11:45, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-390.782.826
Founded
2018 · 8 years
Last commercial register change
January 21, 2021
Employees
11 to 20

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