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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateReal Estate BrokerageBaselFirst Site Invest AG
First Site Invest AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

First Site Invest AG is an independent real estate services company offering project development, architectural planning, owner's representation (bautreuhand), financing and property marketing. The firm develops projects to building readiness, represents clients during construction and arranges land transactions and investor contacts.

AI-generated
Offering

Products & services

Industry:Real Estate BrokerageReal Estate Project Development
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4.1/5

First Site Invest AG

✓ Offered5
Property development
Project development up to construction readiness, conceptual and economic optimisation of buildings, development of income-generating properties, architecture and planning competitions.
Architecture
Architecture, development and execution from a single source, systematic designing, creating and constructing of buildings, implementation of building requests with defined economic requirements.
Construction trust
Independent client advisory for developers, investors, principals, operators and users; assessment of market needs, investment objectives, profitability review and financing.
Financing and investments
Intermediation of investors, financial institutions and private or institutional investors; bridging financing, project analysis for feasibility and profitability, and financing handling up to the entry in the land register.
Real estate marketing
Purchase and sale of plots, brokerage and acquisition of real estate for customers and partners, market analysis and feasibility studies for optimal use.
Trust & reputation

ranQ Trust Score of First Site Invest AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

First Site Invest AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
First Site Invest AG scores 81.1 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.89.612%
  • 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%
First Site Invest 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%
First Site Invest AG scores 8.9 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 35.7.74%
  • 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

First Site Invest AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, 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.

Press

Media

June 11, 2021Media
Vorschlag der Stadt - Liestal soll einen Stadtpark erhalten – dank neuer Tiefgarage
bazonline.ch

Knowledge

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Comparisons

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Location

Holbeinstrasse 95
4051 Basel
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-176.127.857
Founded
2015 · 11 years
Last commercial register change
April 25, 2025
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

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