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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsSchlatt TgRoost + Aeberli AG
Roost + Aeberli AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Roost + Aeberli AG is the provision of services and sale of products in the field of electrical engineering, including: electrical installations, SAT systems, solar power systems, e-mobility, telecommunications, alarm systems, computer and cloud services, building technology, infrared heating, heat pumps and heat pump boilers. The company offers consulting, sales, delivery, installation and maintenance of electrical devices and systems, making it a comprehensive electrical specialist with a wide range of services.

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Offering

Products & services

Industry:Solar & Photovoltaics
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Roost + Aeberli AG

✓ Offered12
Solar Power Systems
Solar power systems with consultation, planning, registration, submission, installation, commissioning and handover; with optional battery storage and various optimisation options.
Electrical Installations
Electrical installations for new builds and refurbishments, with advice and technical expertise, plus special applications such as outdoor lighting, monitoring systems and light-dependent controls.
Heat Pumps
Heat pump systems with consultation, delivery, installation, registration, submission, commissioning and handover; including air-to-water heat pumps, deep drilling and indoor units.
Building Technology
Building technology for industry, commerce and private households, especially access control systems, building management systems and bus systems for lighting and blind control.
Telecommunications
Telecommunications solutions with consultation, ordering, installation and configuration; including cloud telephony plus IT network cabling and setup for Swisscom or cable TV connections.
Alarm Systems
Alarm systems for rental apartments, owner-occupied apartments, single-family homes, offices and commercial buildings, with protection against burglary and fire plus a demonstration system.
Satellite and Cable TV Systems
Satellite and cable TV systems with planning, cabling, channel setup and installation of different satellite configurations.
E-Mobility
E-mobility solutions with advice on charging stations for electric vehicles; including connection and demonstration of different charging options on the company’s own parking lot.
Infrared Heating
Infrared heating with consultation, delivery and installation; described on the site as a radiant-heat solution with energy-efficient operation.
Appliance Sales
Appliance sales with webshop, including delivery, repairs and fault diagnosis for washing machines, dryers, refrigeration and freezer units, kitchen appliances and central vacuum systems.
Computer Systems
Computer systems with complete PC build-outs, advice, home data backups and printer consumables, plus fast delivery of common cartridges.
Swiss-made Cloud Services
Swiss-made cloud services with cloud storage, backup, hosting, Exchange and virtual servers from a Swiss data centre; with redundant security and hybrid IT solutions.
Trust & reputation

ranQ Trust Score of Roost + Aeberli AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Roost + Aeberli AG scores 57.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.47.024%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.70.510%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.70.08%
Roost + Aeberli AG scores 90.9 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.70.07%
Roost + Aeberli AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
Roost + Aeberli AG scores 57.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.57.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roost + Aeberli AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 out of 5 stars from 15 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
3.7
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle3.715
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Frauenfelderstrasse 25
8252 Schlatt Tg
Opening hours
Mon
07:15 - 12:00, 13:15 - 17:00
Tue
07:15 - 12:00, 13:15 - 17:00
Wed
07:15 - 12:00, 13:15 - 17:00
Thu
07:15 - 12:00, 13:15 - 17:00
Fri
07:15 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.772.659
Founded
1987 · 39 years
Last commercial register change
March 13, 2023
Employees
11 to 20
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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