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 & ArchitectureArchitecture FirmsBüttikon AgKOCH AG
KOCH AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

KOCH AG is a construction company active in architecture, timber construction and real estate. It provides services from feasibility and design through execution planning and construction management, delivering single- and multi-family homes, commercial and industrial buildings, renovations and extensions. KOCH AG also markets properties and supports clients through the purchase process, including financing and handover.

AI-generated
Offering

Products & services

Industry:Architecture FirmsGeneral Contractors
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

KOCH AG

✓ Offered3
Architecture
Planning and execution of buildings, from feasibility studies and solution approaches through the building project, approvals and detailed design, to site management and turnkey handover.
Timber construction
Timber construction for roof trusses, single- and multi-family houses, interior fit-outs, element and system buildings, hall construction, refurbishments, conversions, extensions and attic storey additions.
Real estate
Real estate offers for purchase and rental, advice and support from initial contact through viewings and financing to the signing of the contract.
Trust & reputation

ranQ Trust Score of KOCH AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

KOCH AG scores 72.5 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.68.624%
  • 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.83.810%
  • 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.70.08%
KOCH AG scores 89.3 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.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.70.07%
KOCH 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%
KOCH AG scores 77.1 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 35.77.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

KOCH AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 26 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
4.4
of 5

Aggregated from 26 reviews across all connected sources

Sources
GGoogle4.426
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

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

Get started
Comparisons

KOCH AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank KOCH AG by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Büelisackerstrasse 3
5619 Büttikon Ag
Opening hours
Mon
07:15 - 12:00, 13:15 - 17:15
Tue
07:15 - 12:00, 13:15 - 17:15
Wed
07:15 - 12:00, 13:15 - 17:15
Thu
07:15 - 12:00, 13:15 - 17:15
Fri
07:15 - 12:00, 13:15 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.136.397
Founded
1965 · 61 years
Last commercial register change
October 24, 2025
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    S&
    Stadelmann & Stutz AG
    Fahrwangen
    SH
    Schweizer Hauser Architekten AG
    Baden
    DT
    David Theill Architektur GmbH
    Rheinfelden
    GA
    Grünau AG
    Mühlau
    AG
    Anton Giess AG
    Rheinfelden
    CL
    chris läubli gmbh
    Küttigen
    J+
    Jäggi + Wendelspiess, Architektur + Informatik AG
    Rheinfelden
    MA
    Masarik, Architektur + Planung
    Mellingen