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DirectoryCrafts & TradesRoofingSteinhausenOhnsorg Verwaltung AG
Ohnsorg Verwaltung AG Logo
Verified· 3 sources

Ohnsorg Verwaltung AG

Summary

About the company

The core activity of Leo Ohnsorg AG is the consulting, planning, execution and maintenance of roofing and facade work, including sheet metal work, photovoltaics and energy consulting, as well as the implementation of renovations and repairs to building envelopes.

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Offering

Products & services

Industry:RoofingSheet Metal Work
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✓ Offered12
Pitched roof
Advisory services, material consulting, planning and execution of pitched roofs; suitable solar systems for renovations and new builds.
Flat roof
Advisory services on the construction, planning and execution of flat roofs; suitable solar systems for office buildings, industrial buildings and older properties.
Sheet metal work
Gutters, downpipes, sheet metal roofs, sheet metal cladding, lightning protection and metal design; advice and planning for functional building protection.
Façade
Consulting on façade materials, planning and execution as well as maintenance and repair of façades; metal cladding, sealing and various building materials.
Maintenance and repair
Visual monitoring, service subscriptions, repairs and maintenance of building envelopes; treatment of storm, hail and water damage as well as PV systems.
Safety and fall protection
Planning of safety concepts as well as installation of fall protection, individual anchorage points, rope systems, rail systems, ladders and opening/penetration protection.
Personal protective equipment against falls (PSAgA)
Retaining, cover/overthrow, arrest and positioning systems; advice and sale of climbing equipment, annual maintenance and repairs.
Photovoltaics
Advisory services for PV systems, funding, planning and installation of solar systems for electricity generation on unused roof areas.
Energy consulting
Analysis and strategy, comparison of alternatives, project planning, permit procedures, funding programmes, detailed execution planning as well as site supervision and quality assurance.
GEAK / GEAK Plus
Cantonal building energy certificate with an advisory section for renewal strategy, comparison of alternatives, cost-effectiveness and funding applications.
Preparation of cost estimates
Preparation of cost estimates for construction projects; advisory services and support for public authorities, architects and construction contractors.
Advice on the building envelope
Independent advice on materials, energy efficiency and sustainable renovation for construction projects; support without an execution mandate.
Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 18 reviews across all connected sources

Sources
GGoogle4.618
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Bannstrasse 34
6312 Steinhausen
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:00
Tue
07:30 - 12:00, 13:15 - 17:00
Wed
07:30 - 12:00, 13:15 - 17:00
Thu
07:30 - 12:00, 13:15 - 17:00
Fri
07:30 - 12:00, 13:15 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.742.954
Founded
1979 · 47 years
Last commercial register change
July 13, 2026
Employees
11 to 20

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