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 FirmsZurichop-arch AG
op-arch AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of op-arch is the design of living spaces through urban planning studies, architectural competitions and construction projects.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered3
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
4.1/5

op-arch AG

Architecture
Architecture for residential buildings, housing developments, settlements, office buildings, school buildings and special-purpose buildings; from new construction through replacement construction to renovation and expansion.
Urban planning studies
Urban planning studies and development studies for sites, neighbourhoods and village centres; test layouts, development concepts and spatial analyses at different scales.
Architectural competitions
Participation in architectural competitions and study commissions for housing estates, schools, public buildings and land development; competition entries with rankings and awards.
Trust & reputation

ranQ Trust Score of op-arch AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

op-arch AG scores 65.0 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.73.124%
  • 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.35.310%
  • 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.78.08%
op-arch AG scores 90.2 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.95.212%
  • 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%
op-arch AG scores 86.7 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).86.722%
op-arch AG scores 37.2 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 35.74.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

op-arch AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 customer reviews. 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

February 29, 2024Media
Siedlung Winkelhalden: Wohnen in der dritten Lebensphase -
swiss-architects.com

Knowledge

No knowledge articles yet

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

Get started
Comparisons

op-arch AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Freilagerstrasse 19
8047 Zurich

At a glance

Legal form
Corporation
UID
CHE-339.768.929
Founded
2013 · 13 years
Last commercial register change
October 2, 2024
Employees
21 to 50
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

    YR
    YR22 regenerative architecture+urbanism gmbh
    Zurich
    UA
    UNIK Architektur AG
    Zurich
    SP
    Stücheli Pestalozzi Schiratzki Architekten GmbH
    Zurich
    SB
    Studio Barrus GmbH
    Zurich
    AC
    Architekturgenossenschaft C/O
    Zurich
    A2
    ATELIER 231 GmbH
    Zurich
    SH
    Studio Huesser GmbH
    Zurich
    TO
    Tanner Odermatt Architekten AG
    Affoltern Am Albis