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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberBollKrebs AG, Boll
Krebs AG, Boll Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Krebs AG, Boll provides planning and installation services for plumbing in new buildings and renovations. Its services include bathroom renovations and project coordination, repairs and maintenance, and water treatment.

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Presence

Service area

Offering

Products & services

Industry:Plumber
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4.0/5

Krebs AG, Boll

Sheet metal worker
✓ Offered9
Sanitary installations
Sanitary installation work for new builds and renovations, including advice, planning and execution; including bathroom and kitchen renovations, laundry rooms, utility rooms, medical practices and laboratory facilities.
Bathroom renovation
Bathroom renovation with advice and planning, new and refurbishment works, on request with overall coordination and construction support; also with 3D planning.
Maintenance work
Maintenance work with repairs, filter maintenance, pressure checks, boiler descaling, spring and winter service, and a sanitary system check.
Water treatment
Water treatment with descaling systems, Grander systems, resonance frequency systems, dosing and disinfection; advice for site-specific solutions.
Construction management
Complete coordination of renovation work, including organising the trades involved and monitoring schedule and costs.
Appliance replacement
Replacement of sanitary appliances, washing machines and tumble dryers, as well as air-wash dryers.
Water supply
House service lines in the water supply sector.
Special sanitary installations
Central vacuum systems and room ventilation as supplementary special installations.
Comfort products
Shower toilet AquaClean 8000+ with odour extraction, shower, warm-air drying, remote control and various setting functions.
Trust & reputation

ranQ Trust Score of Krebs AG, Boll: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

Krebs AG, Boll scores 62.7 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.72.524%
  • 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.49.510%
  • 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.50.08%
Krebs AG, Boll scores 85.5 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.55.07%
Krebs AG, Boll scores 86.7 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).86.722%
Krebs AG, Boll scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Krebs AG, Boll reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 6 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.76
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bernstrasse 20
3067 Boll

At a glance

Legal form
Corporation
UID
CHE-107.171.755
Founded
1975 · 51 years
Last commercial register change
October 2, 2026
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

    Active in 1 of 26 cantons · 1 municipality

    • BEVechigen

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