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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesZurichTanner Pumpen AG
Tanner Pumpen AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Tanner Pumpen AG provides consultation, replacement and sales of circulation pumps for heating, sanitary and refrigeration systems. The company operates central pump warehouses and pick-up shops stocking products from Biral, Wilo and Grundfos and offers a 24‑hour emergency service for installers, technical services, caretakers, property managers and homeowners.

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Offering

Products & services

Industry:Plumbing & Building Services
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4.2/5

Tanner Pumpen AG

✓ Offered
3
Advisory, sales and replacement of circulating pumps
Advice, sales and replacement of circulating pumps for heating, plumbing and refrigeration; suitable replacement solutions, technical identification and fast availability via pickup shops.
Pickup shop and 24-hour pickup warehouse
Pickup shop with ordering via webshop or phone call; materials are made available promptly, with a 24-hour pickup warehouse in Zurich.
Pumps webshop
Webshop for pumps with login, registration and catalogue view; complements the ordering process and the technical identification for customers.
Trust & reputation

ranQ Trust Score of Tanner Pumpen AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Tanner Pumpen AG scores 73.3 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.70.224%
  • 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.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.95.08%
Tanner Pumpen AG scores 78.3 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.83.012%
  • 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.55.07%
Tanner Pumpen AG 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%
Tanner Pumpen AG scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Tanner Pumpen AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 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
4.5
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.511
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Ekkehardstrasse 32
8006 Zurich
Opening hours
Mon
07:15 - 17:00
Tue
07:15 - 17:00
Wed
07:15 - 17:00
Thu
07:15 - 17:00
Fri
07:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-314.738.711
Founded
2017 · 9 years
Last commercial register change
September 7, 2021
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.
100.0
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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