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 · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingHerisaumerz+egger ag
merz+egger ag Logo
Verified· 3 sourcesTrust Score
Summary

About the company

merz+egger ag is a company providing building‑envelope services including roofing, façade work, roof windows and solar installations. Its services cover installation and renovation of pitched and flat roofs, photovoltaic systems (on‑roof, in‑roof, solar façades), roof maintenance and inspections, fall‑protection systems and an emergency contact service.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered6
Roofing work
Pitched roofs, flat roofs, roof insulation and roof windows; consulting, planning, execution and maintenance for roof and building envelope.
Roof maintenance and roof inspections
Regular roof inspections, maintenance agreements, storm-damage maintenance, animal protection and snow protection measures, as well as solar maintenance.
Facade work
Facade refurbishment, renovation, damage remediation and facade insulation; execution using DKTN, porcelain stoneware, natural slate, fibre cement and shingles.
Solar installations
Solar power solutions for roof-mounted, in-roof and solar facades; roof analysis, roof leasing, custom solutions and maintenance of solar installations.
Roof windows
Installation, retrofitting, service, maintenance and repair of VELUX roof windows; sun protection, insect protection and smart-home connectivity.
Fall protection
Fall protection for work on the building envelope and on the roof.
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
4.3/5

merz+egger ag

Trust & reputation

ranQ Trust Score of merz+egger ag: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

merz+egger ag scores 81.1 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.75.324%
  • 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.79.710%
  • 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.100.08%
merz+egger ag scores 76.9 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.70.07%
merz+egger 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%
merz+egger ag scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

merz+egger ag reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 22 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
4.6
of 5

Aggregated from 22 reviews across all connected sources

Sources
GGoogle4.622
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once merz+egger ag has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

merz+egger ag in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank merz+egger ag by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Eggstrasse 4921
9100 Herisau
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:00
Tue
07:30 - 12:00, 13:15 - 17:00
Wed
07:30 - 12:00, 13:15 - 17:00
Thu
07:30 - 12:00, 13:15 - 17:00
Fri
07:30 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-494.927.188
Founded
2017 · 9 years
Last commercial register change
January 30, 2018
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.
76.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    G+
    giger + forrer gmbh
    Herisau
    DZ
    Dach Zenuni GmbH
    Heiden
    JD
    JS Dachbau GmbH
    Stein Ar
    CK
    Christian Koller Bedachungen
    Stein Ar
    BG
    Brunner GmbH
    Wald Ar
    FB
    Fitzi Bedachungen und Bauspenglerei AG
    Gais
    LH
    Langenegger Holzbau + Bedachungen AG
    Lutzenberg
    SB
    Schmid Bedachungen Speicher GmbH
    Speicher