ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryKönizGroll GmbH
Groll GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Groll GmbH is the execution of roofing work, including roof renovations, repairs and new constructions, as well as related activities such as sheet metal and carpentry work.

AI-generated
Offering

Products & services

Industry:Timber Construction & CarpentryPainting & Plastering
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
3.9/5

Groll GmbH

Roofing
✓ Offered6
Pitched roof works
Pitched roof works, including planning, execution, roofing covering, battens, underroofing and maintenance work around the roof.
Sheet metal roofing
Sheet metal work for roofs, supplemented by repair and maintenance work as well as general work around the roof.
Timber construction works
Timber construction works in the roof area, combined with pitched roof works, thermal insulation, underroofing, battens and roofing covering.
Thermal insulation
Thermal insulation in connection with roof works, including underroofing, battens, roofing covering and window solutions.
Velux windows
Installation of Velux windows in the roof area, together with other roof works and repair and maintenance work.
Repair and maintenance work
Repair and maintenance work around the roof, for small and large jobs as well as current and completed projects.
Trust & reputation

ranQ Trust Score of Groll GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Groll GmbH scores 56.6 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.70.824%
  • 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.27.910%
  • 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%
Groll GmbH scores 83.0 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%
Groll GmbH scores 83.3 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).83.322%
Groll GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Groll GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Groll GmbH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Groll GmbH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Groll GmbH by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Groll GmbH to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Blinzernfeldweg 9
3098 Köniz

At a glance

Legal form
Limited Liability Company
UID
CHE-115.832.211
Founded
2010 · 16 years
Last commercial register change
January 13, 2016
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

    Similar companies

    ET
    E. Thomi AG
    Walperswil
    B+
    Baumann + Schneider Holzbau AG
    Münchenbuchsee
    HA
    Holzbau A-Z, A. Zingg-Hänni
    Wilderswil
    HA
    Holzbau A-Z AG
    Wilderswil
    KS
    Kohler Seeland AG
    Jens
    BH
    Boss Holzbau AG
    Thun
    HT
    Holzbau Taslakoff
    Mühleberg
    GM
    Gerber macht's GmbH
    Grosshöchstetten