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DirectoryEnergy & EnvironmentSolar & PhotovoltaicsZurichSigrist + Partner Sanitär- + Wärmetechnik AG
Sigrist + Partner Sanitär- + Wärmetechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Sigrist + Partner Sanitär- und Wärmetechnik AG is the planning, installation and renovation of sanitary and heating systems, including solar systems, refrigeration systems and geothermal probe installations. The company also offers renovation and refurbishment services for single-family homes and has specialized in sustainable solutions.

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Products & services

Industry:Solar & Photovoltaics
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Sigrist + Partner Sanitär- + Wärmetechnik AG

✓ Offered3
Sanitary installations
Planning and installation of sanitary facilities for new builds and conversions, bathroom renovations and wellness oases, water distribution, drainage for buildings, sewage lift stations, water softening systems, as well as service and repairs.
Heating / Solar
Planning and implementation of heating system replacements, heat pumps with ground probes or air-to-water, district heating connections, low-temperature collectors, solar support and heating distribution manifolds.
Refrigeration systems
Installation of refrigeration distribution systems, from the refrigeration unit in the basement to the dry cooler on the roof, including ventilation systems, chilled ceilings, recirculating air coolers and split systems.
Trust & reputation

ranQ Trust Score of Sigrist + Partner Sanitär- + Wärmetechnik AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 96% · As of October 2026

Sigrist + Partner Sanitär- + Wärmetechnik AG scores 65.5 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.65.024%
  • 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.63.210%
  • 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%
Sigrist + Partner Sanitär- + Wärmetechnik AG scores 89.3 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%
Sigrist + Partner Sanitär- + Wärmetechnik AG 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%
Sigrist + Partner Sanitär- + Wärmetechnik AG scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sigrist + Partner Sanitär- + Wärmetechnik AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 11 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
4.3
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.311
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Bernerstrasse Nord 208
8064 Zurich
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.302.069
Founded
1970 · 56 years
Last commercial register change
May 4, 2026
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.100.06%
  • 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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