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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesBülachTrevag Treuhand- und Verwaltungs-AG Bülach
Trevag Treuhand- und Verwaltungs-AG Bülach Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of TREVAG Treuhand- und Verwaltungs AG is the provision of services in the field of trust and administration, particularly in the areas of: accounting, payroll, tax consulting, financial management, company formation, succession planning, inheritance, administration, sales, and valuation. In addition, the company also offers specialized services in the field of real estate management, including: condominium ownership, rental properties, commercial properties, real estate valuation, and real estate sales. The company positions itself as a reliable and expert partner for companies and individuals who require comprehensive and professional advice and support in the aforementioned areas.

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Products & services

Industry:Fiduciary Offices
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4.0/5

Trevag Treuhand- und Verwaltungs-AG Bülach

✓ Offered10
Accounting / closing advisory
Manage bookkeeping, maintain the general and subsidiary ledgers, handle VAT returns, operating and segment accounts, interim accounts, reporting, and annual financial statements as a partial or full service.
Tax advisory
Tax returns for individuals and legal entities, tax planning, representation in objections, appeals, and complaints, and advice on inheritance, gift, and real estate capital gains taxes.
Payroll
Monthly payroll statements, declarations to social insurance institutions, withholding tax reports, salary certificates, personnel files, employment references, and advice on social insurance matters.
Financial management
Budgeting with target/actual comparisons, interim accounts, investment budgets, and rolling cash flow planning as company-specific management tools.
Company formation
Advice on choosing the legal form, the VAT reporting method, the pension fund, social insurance registration, and setting up the bookkeeping.
Succession planning
Succession planning with a tax-optimized corporate structure, review of real estate carve-outs, company valuation, tax rulings, and draft agreements.
Inheritance
Advice on inheritance, wills, cohabitation and marriage agreements, advance care mandates, will execution, and inheritance and gift taxes.
Real estate management
Management of condominium units (property by floors), rental properties, and commercial real estate, including oversight of caretaker and trades work, condition monitoring, and external representation.
Real estate sales
Sale of real estate with sales documentation, viewings, sales negotiations, and coordination of the closing process with the buyer and the land registry office.
Real estate valuation
Valuation of residential and commercial buildings as well as condominium units with on-site inspections, valuation documentation, and commentary on the method and price.
Trust & reputation

ranQ Trust Score of Trevag Treuhand- und Verwaltungs-AG Bülach: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Trevag Treuhand- und Verwaltungs-AG Bülach scores 56.4 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.50.024%
  • 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.61.010%
  • 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.70.08%
Trevag Treuhand- und Verwaltungs-AG Bülach scores 89.3 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.70.07%
Trevag Treuhand- und Verwaltungs-AG Bülach 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%
Trevag Treuhand- und Verwaltungs-AG Bülach scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Trevag Treuhand- und Verwaltungs-AG Bülach reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 out of 5 stars from 10 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
3.7
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle3.710
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Ackerstrasse 2
8180 Bülach

At a glance

Legal form
Corporation
UID
CHE-107.896.255
Founded
1972 · 54 years
Last commercial register change
January 14, 2026
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.100.06%
  • 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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