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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryFinance & InsurancePrivate Equity & Venture CapitalPlan-Les-OuatesIMMOSYNERGIES HOLDING SA
IMMOSYNERGIES HOLDING SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

IMMOSYNERGIES HOLDING SA is a holding company that owns stakes in over 30 Swiss entities and manages diversified business sectors. Its activities include real estate and services such as finance, recruitment, accounting, insurance, hospitality, cultural and sports activities, charitable initiatives and investments in technology and artificial intelligence.

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Products & services

Industry:Private Equity & Venture Capital
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IMMOSYNERGIES HOLDING SA

Real Estate Project Development
✓ Offered12
Real estate development
Real estate promotion, development and value enhancement of real estate assets and projects; the group first expanded mainly in the real estate sector.
Investments in technology and AI companies
Investments in fast-growing companies, particularly in artificial intelligence and the digitisation of buildings in 3D.
Recruitment agency
Multi-specialist recruitment agency, tailored to companies’ needs and to the match between candidates’ skills and organisations’ requirements.
Trust accounting / bookkeeping
Trust and accounting services for the group’s entities, with thorough, precise and effective support.
Insurance brokerage
Partnership with an insurance specialist brokerage company, with referral of business to support the development of its activities.
Catering and coffee shops
Catering, coffee shop and venue management; takeover of establishments, creation of new concepts and organisation of private or professional events.
Event organisation
Organisation of private or professional events in the group’s venues, with dedicated event support.
Cultural activities
Preservation of cultural heritage, promotion of classical music and international cultural impact in Geneva.
Promotion of classical music
Acquisition and enhancement of exceptional instruments and talent, in particular through Stradivarius Art & Sound.
Sports centres and fitness clubs
Creation of sports centres and investment in existing sports clubs, including martial arts and fitness.
Fitness, martial arts and combat sports
Combat sports facility for martial arts and fitness, developed under the Martial Arts Academy Geneva concept.
Charitable aid and support for associations
Concrete and direct support in French-speaking Switzerland, with long-term assistance to partner associations and foundations active on the ground.
Trust & reputation

ranQ Trust Score of IMMOSYNERGIES HOLDING SA: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

IMMOSYNERGIES HOLDING SA scores 64.2 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.76.724%
  • 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.45.610%
  • 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.50.08%
IMMOSYNERGIES HOLDING SA scores 92.3 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.82.07%
IMMOSYNERGIES HOLDING SA scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
IMMOSYNERGIES HOLDING SA scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

IMMOSYNERGIES HOLDING SA reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route de Saint-Julien 198
1228 Plan-Les-Ouates
Opening hours
Mon
08:30 - 12:00, 13:45 - 18:30
Tue
08:30 - 12:00, 13:45 - 18:30
Wed
08:30 - 12:00, 13:45 - 18:30
Thu
08:30 - 12:00, 13:45 - 18:30
Fri
08:30 - 12:00, 13:45 - 18:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-113.463.284
Founded
2007 · 19 years
Last commercial register change
November 14, 2023
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

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