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 · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectSt. GallenGSI Architekten AG
GSI Architekten AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Geisser Streule Inhelder Architekten AG is the planning and realization of architectural projects, including detailed planning, project and execution planning, in close collaboration with clients, specialist planners and authorities, with a focus on architectural quality, energy efficiency and monument preservation.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Architect
✓ Offered6
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

GSI Architekten AG

Architectural planning
Architectural projects for single-family homes, multi-family homes, residential and commercial buildings, as well as public and commercial structures; from concept development through execution.
Conversion and refurbishment
Conversion, refurbishment and major refurbishment of residential buildings, apartments in older buildings, townhouses, villas, bank buildings and historic structures, including properties with protected building fabric.
Urban planning and area development
Urban planning studies, guiding principles, area developments and district development for city districts, street spaces and larger development areas.
Studies and competitions
Feasibility studies, project studies, study mandates and competition entries for new builds, conversions and area development.
Interior design and interior fit-out
Interior conversions, interior fit-outs and the design of ancillary rooms, retail and gastronomy spaces, as well as bank and office interiors.
Model making
Model making as a working tool for developing and refining architectural projects.
Trust & reputation

ranQ Trust Score of GSI Architekten AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of November 2026

GSI Architekten AG scores 56.5 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.68.224%
  • 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.70.08%
GSI Architekten AG scores 86.5 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.86.512%
  • 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.82.07%
GSI Architekten AG scores 88.3 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).88.322%
GSI Architekten AG scores 25.0 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 35.40.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

GSI Architekten AG 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 1 customer reviews. As of November 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.

Press

Media

April 17, 2024Media
«Es muss alles viel schneller gehen»: So steht es um die Vision Grünes Gallustal
tagblatt.ch

Knowledge

No knowledge articles yet

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

Get started
Comparisons

GSI Architekten AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Davidstrasse 40
9000 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-136.647.702
Founded
2016 · 10 years
Last commercial register change
May 13, 2025
Employees
21 to 50

Active in 1 of 26 cantons

  • SGSt. Gallen
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

    RZ
    Ralf Zumstein Architektur GmbH
    St. Gallen
    AA
    Archplan AG
    St. Gallen
    SS
    Susanna Stricker Landschaftsarchitektur GmbH
    St. Gallen
    BA
    BAB Architekten AG
    St. Gallen
    BL
    Brunner Landschaftsarchitekten GmbH
    St. Gallen
    VS
    Valentin Surber Architektur GmbH
    St. Gallen
    AR
    Atelier Raphael Maurer GmbH
    Flawil
    II
    Innenarchitektur Isabel Berger
    Weesen