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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementMontreuxde Rham SA
de Rham SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

de Rham SA is a real estate firm providing end-to-end services for buying, selling, letting, property management and asset valorisation. Its core activities include property management, development and project coordination, renovation and energy refurbishment, valuation/expertise and specialised services such as legal, marketing and digital tenant platforms.

AI-generated
Offering

Products & services

Industry:Property Management
✓ Offered9
Real estate management
Comprehensive management of residential and commercial buildings, rental and financial administration, maintenance and works, claims management, advice and optimisation for private and institutional owners.
Real estate sales
Brokerage for residential and commercial properties, valuation, marketing, arranging viewings, negotiation, administrative management and follow-up through to the sale’s conclusion.
Real estate appraisal
Real estate appraisals and valuations for residential and commercial properties, impartial reports, recognised methods, advice for sale, inheritance, divorce, refinancing, disputes and taxes.
Residential leasing
Letting residential properties, finding tenants, free rent estimation, marketing, screening of applications, drafting the lease and carrying out move-in/out condition reports.
Development & project steering
Development and steering of real estate projects, feasibility studies, coordination of stakeholders, financing, marketing and commercialisation up to handover.
Renovation & value enhancement
Renovation and energy retrofitting, potential and project studies, construction management, submission for authorisation, extensions, improvement and value enhancement of buildings.
Commercial real estate
Leasing and management of commercial spaces, offices, retail, workshops and warehouses, tenant search, potential analysis, lease agreements and marketing.
Initial letting
Leasing commercialisation of new-build projects, definition of the letting strategy, creation of the support materials, distribution, tenant selection, lease signing and handover of keys.
Specialised services
Legal advice, marketing and innovation for property management and leasing commercialisation, drafting contracts and using tenant, applicant and supplier portals.
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3.7/5

de Rham SA

Trust & reputation

ranQ Trust Score of de Rham SA: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

de Rham SA scores 42.9 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.0.024%
  • 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.100.010%
  • 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.100.08%
de Rham SA scores 71.4 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.70.212%
  • 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.70.07%
de Rham SA 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%
de Rham SA scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

de Rham SA reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 2.5 out of 5 stars from 352 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
2.5
of 5

Aggregated from 352 reviews across all connected sources

Sources
GGoogle2.5352
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue du Casino 28
1820 Montreux
Opening hours
Mon
08:00 - 12:00, 13:30 - 16:30
Tue
08:00 - 12:00, 13:30 - 16:30
Wed
08:00 - 12:00, 13:30 - 16:30
Thu
08:00 - 12:00, 13:30 - 16:30
Fri
08:00 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-472.209.943
Founded
2020 · 6 years
Last commercial register change
October 22, 2024
Employees
11 to 20
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.
76.0
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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