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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingGenevaGrumbach Consulting Sàrl
Grumbach Consulting Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Grumbach Consulting Sàrl is a consultancy specialising in fiscal, financial and accounting optimisation. Services include full accounting management, VAT and tax filings, implementation and management of accounting systems, internal control and risk management, support for public procurement, and professional training.

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Products & services

Industry:Management Consulting
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4.1/5

Grumbach Consulting Sàrl

✓ Offered5
Financial, Tax and Accounting Optimisation
Financial, tax and accounting optimisation for companies and private clients, with advice on compliant structuring, cost reduction and use of available options.
Accounting and Administrative Services for Companies
Accounting and administrative services for companies, from full bookkeeping and VAT returns to tax declarations, accounting system setup and internal control implementation.
Accounting and Financial Coaching
Accounting and financial coaching for specific questions, including workplace training in bookkeeping, closing entries, financial planning and public procurement.
Public Procurement Support
Public procurement support for contracting authorities and bidders, including tender dossiers, bid review, award decisions and contract execution.
Training for Finance, Accounting and Administrative Roles
Training for specialists and managers in public and private accounting, budgeting, financial planning, internal control, risk management, receivables management and treasury.
Trust & reputation

ranQ Trust Score of Grumbach Consulting Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Grumbach Consulting Sàrl 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.
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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%
Grumbach Consulting Sàrl scores 78.5 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.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%
Grumbach Consulting Sàrl scores 83.3 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).83.322%
Grumbach Consulting Sàrl scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Grumbach Consulting Sàrl 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 54%, 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.

Knowledge

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Location

Rue Beau-Site 3
1203 Geneva

At a glance

Legal form
Limited Liability Company
UID
CHE-426.271.904
Founded
2015 · 11 years
Last commercial register change
June 10, 2021
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.
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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