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
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryFlawilGuido Isler GmbH Zimmerei / Schreinerei
Guido Isler GmbH Zimmerei / Schreinerei Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Guido Isler GmbH Zimmerei / Schreinerei carries out carpentry and woodworking services, including timber construction, wood façades, and wooden or wood/metal windows and roof windows. The company also provides interior fittings, parquet and terrace flooring, doors and stairs, insulation, new-builds and renovations, repair work, plus construction planning and coordination of other trades.

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
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
3.6/5

Guido Isler GmbH Zimmerei / Schreinerei

✓ Offered9
Carpentry and joinery works
Carpentry and building construction work, together with joinery work, for new builds, conversions, renovations and repairs; expert advice, planning and execution according to individual wishes.
Timber facades
Timber facades and tongue-and-groove timber facades for new builds and conversions; carried out as part of timber construction and joinery work.
Wooden windows and roof windows
Windows and roof windows in wood as well as wood/metal, including planning and installation in timber construction.
Interior fit-out
Interior fit-out work such as wood panelling and furniture, matching the existing surroundings and based on individual requirements.
Doors and staircases
Wooden doors and staircases, individually planned and built for new builds, conversions and renovations.
Flooring made of wood and laminate
Parquet, laminate and terrace flooring as part of the interior fit-out and timber work.
Insulation works
Insulation works in connection with timber construction, conversions and interior fit-out work.
Construction planning and site management
Construction planning, site management as well as various construction work as supplementary services for new builds and conversions.
Conversions under the general contractor model
Conversions under a general contractor (GC) model with organisation and coordination of all trades as well as further construction work.
Trust & reputation

ranQ Trust Score of Guido Isler GmbH Zimmerei / Schreinerei: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

x

Data basis 96% · As of October 2026

Guido Isler GmbH Zimmerei / Schreinerei scores 49.8 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.68.224%
  • 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.17.610%
  • 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.35.08%
Guido Isler GmbH Zimmerei / Schreinerei scores 60.8 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.39.612%
  • 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%
Guido Isler GmbH Zimmerei / Schreinerei 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%
Guido Isler GmbH Zimmerei / Schreinerei scores 4.3 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 35.4.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Guido Isler GmbH Zimmerei / Schreinerei reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Guido Isler GmbH Zimmerei / Schreinerei has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Guido Isler GmbH Zimmerei / Schreinerei in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Guido Isler GmbH Zimmerei / Schreinerei by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Burgau 3469
9230 Flawil
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:30
Tue
07:00 - 12:00, 13:00 - 17:30
Wed
07:00 - 12:00, 13:00 - 17:30
Thu
07:00 - 12:00, 13:00 - 17:30
Fri
07:00 - 12:00, 13:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-441.174.705
Founded
2024 · 2 years
Last commercial register change
October 23, 2024
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.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    KH
    KHG Holzbau AG
    Flawil
    RH
    Räss Holzbau AG
    Altstätten Sg
    BH
    Bernegger Holzbau AG
    Grabs
    ZM
    Zäch Möbel & Innenausbau GmbH
    Grabs
    B+
    Baumann + Helbling AG
    Gebertingen
    P&
    Pfiffner & Roos Holzbau AG
    Quarten
    HA
    HOLZBAU ARTHO GMBH
    St. Gallenkappel
    SA
    Schmid AG Wattwil
    Wattwil