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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryFinance & InsuranceInsurance brokerFüllinsdorfCornerstone Consulting GmbH
Cornerstone Consulting GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Cornerstone Consulting GmbH advises private individuals on buying a home and arranges mortgage and insurance solutions. Its services include financing assessments, property valuations and price negotiations, as well as support through to the notary appointment.

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Service area

Offering

Products & services

Industry:Insurance broker
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3.6/5

Cornerstone Consulting GmbH

Mortgage consulting
✓ Offered7
Mortgage Advisory
Independent advice and negotiations with regional banks for owner-occupied home financing, including affordability checks and preparation of suitable mortgage offers.
Owner-Occupied Home Purchase Support
Support for buying an owner-occupied home from initial assessment through the notary appointment, including correspondence, scheduling and end-to-end coordination.
Financing Confirmation
Assessment of financing options and issuance of a financing confirmation within 12–24 hours for owner-occupied home buyers.
Property Valuation
Property valuation using hedonic tools as used by Swiss banks for lending, including an initial valuation.
Building Defect Inspection
On-site inspection by a building expert with written documentation of defects, renovation needs and resulting cost implications.
Price Negotiation
Negotiation of the purchase price based on valuation and building expertise to achieve market-appropriate terms for buyers.
House Insurance Advisory
Advice on the house policy as a combined death and disability cover for owner-occupied homeowners with a mortgage.
Trust & reputation

ranQ Trust Score of Cornerstone Consulting GmbH: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

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Data basis 54% · As of November 2026

Cornerstone Consulting GmbH 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%
Cornerstone Consulting GmbH scores 40.1 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.0.012%
  • 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%
Cornerstone Consulting GmbH 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%
Cornerstone Consulting GmbH scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Cornerstone Consulting GmbH reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Hier entsteht die Karte
Wölferstrasse 5
4414 Füllinsdorf

At a glance

Legal form
Limited Liability Company
UID
CHE-175.291.193
Founded
2026 · 0 years
Last commercial register change
January 14, 2026
Employees
1 to 10

Active in 1 of 26 cantons

  • BLBasel-Country
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.
88.0
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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