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 · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichArchitekturbüro Harder Haas Partner AG
Architekturbüro Harder Haas Partner AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Harder Haas Partner AG (HHP AG) is the provision of services for building owners in the field of architecture and project development, including building owner consulting, feasibility studies, project development and overall management. Furthermore, the company supports the development of portfolio strategies for sustainability and net zero.

AI-generated
Offering

Products & services

Industry:Architecture Firms
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

Architekturbüro Harder Haas Partner AG

Real Estate Project Development
✓ Offered4
Project owner advisory
Project owner advisory for clients, project preparation and decision-making; support in developing projects within the scope of budget, schedule and legal requirements.
Feasibility studies and project development
Feasibility studies and project developments for construction projects; clarification of key conditions, development of use concepts and further development of projects up to implementation readiness.
Overall project management
Overall management of construction projects; coordination of planning and implementation as well as control of schedules, budget, requirements and parties involved throughout the construction process.
Sustainability and Net Zero strategy consulting
Development of portfolio strategies for sustainability and Net Zero; strategic support for developers and companies in future-oriented real estate and construction projects.
Trust & reputation

ranQ Trust Score of Architekturbüro Harder Haas Partner AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Architekturbüro Harder Haas Partner AG scores 59.3 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.75.024%
  • 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.40.910%
  • 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%
Architekturbüro Harder Haas Partner AG scores 85.5 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.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.55.07%
Architekturbüro Harder Haas Partner 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%
Architekturbüro Harder Haas Partner AG scores 6.6 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 35.6.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Architekturbüro Harder Haas Partner 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 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Architekturbüro Harder Haas Partner AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Architekturbüro Harder Haas Partner AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Architekturbüro Harder Haas Partner AG by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Haldenbachstrasse 28
8006 Zurich

At a glance

Legal form
Corporation
UID
CHE-101.526.558
Founded
2000 · 26 years
Last commercial register change
July 14, 2026
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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    AT
    an tcm gmbh
    Zurich
    EA
    EM Architekten GmbH
    Eglisau
    UA
    UNDEND Architektur AG
    Zurich
    MA
    m3 Architekten AG
    Zurich
    AL
    Atelier LAK GmbH
    Zurich
    DM
    Darlington Meier Architekten AG
    Zurich
    LA
    landis architektur ag
    Schlieren
    KA
    KADEN ARCHITEKTEN AG
    Zurich