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
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringFrauenfeldBachmann & Bourquin AG
Bachmann & Bourquin AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Bachmann & Bourquin AG is technical construction consulting and quality assurance. The company offers individual services to building owners to ensure the quality and durability of construction projects. Specific activities include: Construction consulting in the areas of quality assurance and construction consulting, Review of project and planning documents for risks, errors and weaknesses, Quality assurance of all trades through QS construction inspection and quality report, Detailed inspection of all trades during acceptance and commissioning, Support in the development of PQM and QS concepts, Review of GU/TU contracts, tender documents and usage agreements, Consulting and support in the selection of construction forms, building materials and detailed solutions.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
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
4.0/5

Bachmann & Bourquin AG

✓ Offered4
Construction quality assurance
Construction quality assurance for all trades across all SIA phases; QA planning, QA execution, QA acceptance and QA warranty, including inspections, site walkdowns and defect management.
Technical client advisory
Technical client advisory across all SIA phases; review of contracts and documents, support with structures and materials, validation of compensation assignments, concepts and expert reports.
Technical due diligence
Technical due diligence for existing properties; property walk-through, assessment of the building condition, identification of damage and repairs, and reporting on risk assessment during purchase.
Condition analyses
Condition analyses for existing properties; assessment of age, condition and remaining service life of building components, estimation of future repair and maintenance costs, and derivation of a repair plan.
Trust & reputation

ranQ Trust Score of Bachmann & Bourquin AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Bachmann & Bourquin AG scores 75.0 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.82.524%
  • 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.61.010%
  • 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%
Bachmann & Bourquin AG scores 67.5 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.58.012%
  • 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%
Bachmann & Bourquin 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%
Bachmann & Bourquin AG scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bachmann & Bourquin AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 10 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 10 reviews across all connected sources

Sources
GGoogle510
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

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

Get started
Comparisons

Bachmann & Bourquin AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Hungerbüelstrasse 22
8500 Frauenfeld
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-393.510.626
Founded
2022 · 4 years
Last commercial register change
January 14, 2022
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

    Similar companies

    DG
    Dobrasch Group GmbH
    Frauenfeld
    MA
    Medtechnic AG
    Frauenfeld
    PC
    Plenergy Compass GmbH
    Kreuzlingen
    3I
    3D innotec AG
    Amriswil
    BG
    Brandschutz Gerber GmbH
    Weinfelden
    BA
    B-Planing AG
    Balterswil
    PA
    Promat AG
    Münchwilen Tg
    LG
    lepcon GmbH
    Horn