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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsUnterseenIngenieurbüro Sterchi GmbH
Ingenieurbüro Sterchi GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company Ingenieurbüro Sterchi GmbH is a civil engineering firm specializing in the planning, consulting and implementation of projects in the areas of water supply, wastewater and civil engineering. The core activities include the planning and realization of projects such as water supply systems, wastewater treatment plants, civil engineering works as well as consulting and accompanying customers in the implementation of these projects.

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Products & services

Industry:Civil Engineering Firms
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3.8/5

Ingenieurbüro Sterchi GmbH

✓ Offered
3
Water supply
GWP and consulting on drinking water, water abstraction, water storage and water distribution; network calculations, condition assessments, reservoirs, pumping stations as well as UV disinfection and filtration systems.
Wastewater
Consulting on wastewater disposal, tie-ins, pipeline projects, pumping stations and combined sewer overflow basins as well as condition surveys of private wastewater systems and rehabilitation dossiers.
Building and civil engineering
Design concept, structural analysis as well as formwork and reinforcement plans for masonry and steel construction; including road projects, retaining structures and other load-bearing structures.
Trust & reputation

ranQ Trust Score of Ingenieurbüro Sterchi GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 96% · As of October 2026

Ingenieurbüro Sterchi GmbH scores 49.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.68.224%
  • 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.17.610%
  • 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.35.08%
Ingenieurbüro Sterchi GmbH scores 82.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.97.712%
  • 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%
Ingenieurbüro Sterchi GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Ingenieurbüro Sterchi GmbH scores 2.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ingenieurbüro Sterchi GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bohnerenstrasse 14
3800 Unterseen

At a glance

Legal form
Limited Liability Company
UID
CHE-426.859.782
Founded
2012 · 14 years
Last commercial register change
April 8, 2024
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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