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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationEffingenBlue Connect GmbH
Blue Connect GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Blue Connect GmbH is the provision of services in the fields of electrical engineering, IT and energy efficiency. Specifically, this includes: Consulting, planning and maintenance of electrical installations, network installations, security systems, building automation and IT support; Installation and maintenance of solar systems, LED lighting and charging facilities for electric vehicles; Energy optimization and efficiency measures, including the implementation of energy strategies 2050; Maintenance and servicing of household appliances and low-voltage systems. The company positions itself as a regional specialist for electrical and IT services and offers its customers a comprehensive range of solutions for their energy and communication needs.

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Products & services

Industry:Electrical Planning & Installation
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4.0/5

Blue Connect GmbH

IT Consulting & Services
✓ Offered10
Electrical installations
Consulting, planning and construction of electrical installations for private and industrial clients, including lighting and socket installations, electrical distribution boards, lighting and charging systems.
IT / Networks
Network installations, Home-Fibre, data backup and cabling of IT networks up to fibre optic cabling, complemented by communication solutions and IT support.
Building automation
Building automation with heating, cooling and ventilation systems as well as lighting, shading, monitoring and access systems on KNX, DigitalSTROM, Wago SPS and other systems.
Low-voltage systems
Low-voltage systems of all kinds, including fire alarm systems, intercom systems, building management systems, security and monitoring systems as well as audio, video and call systems.
Consulting and project planning
Consulting, project planning and design of electrical installations, communication solutions, network installations, LED lighting concepts, PV systems, charging options and data security.
Lighting and LED solutions
LED lamps, new LED lighting solutions for new builds, conversions and renovations, and lighting design taking into account light intensity, distribution, colour temperature and placement.
Maintenance and electrical equipment testing
Maintenance of electrical installations, circuit diagram drawing and electrical equipment testing for ongoing operation and technical documentation.
Solar systems
Solar systems as turnkey solutions with consulting, installation notifications, registrations, electrical inspections, certifications and AC and DC installations.
LED retrofits
1:1 retrofit of luminaires to LED or replacement with new LED solutions during repairs and modernisations.
Charging options for e-mobility
Charging stations, intelligent charging cables and e-bike charging stations as charging infrastructure for electric mobility.
Trust & reputation

ranQ Trust Score of Blue Connect GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Blue Connect GmbH scores 62.1 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.75.024%
  • 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.40.910%
  • 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.50.08%
Blue Connect GmbH scores 80.9 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.95.212%
  • 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.55.07%
Blue Connect GmbH scores 85.0 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).85.022%
Blue Connect GmbH scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Blue Connect GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Ob dem Dorf 330
5078 Effingen
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
Limited Liability Company
UID
CHE-220.718.053
Founded
2013 · 13 years
Last commercial register change
January 18, 2022
Employees
1 to 10
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.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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