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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesRomanshornCompletoplus AG
Completoplus AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Completoplus AG is a service package offering financial and pension planning, retirement and estate planning, tax advisory services, and support for self-employment and business succession. The services are provided in collaboration with the partners Hugentobler & Bühler (treuhand and business consultancy) and WITTWER finanzen‑vorsorge.ch.

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Products & services

Industry:Fiduciary Offices
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Completoplus AG

✓ Offered
7
Financial and pension planning
Financial planning, pension planning and insurance analysis tailored to the life stage for private individuals and self-employed persons; with a holistic view of finances, taxes, provision and coverage.
Retirement and estate planning
Provision mandate, estate planning, marriage and inheritance contracts as well as a will to regulate provision, representation and the transfer of assets.
Tax advisory
Tax planning and optimisation depending on the life stage, tax returns for individuals, general tax advice and tax representation, including capital gains tax on property.
Company formation and succession support
Incorporation of companies, support with financing, assistance with succession processes on both the buyer's and seller's side, as well as financial plans, business plans, business valuations and due-diligence reviews.
Real estate advisory
Advisory services for the acquisition, sale and transfer of properties, including financing matters, tax optimisation, debt-servicing capacity, aspects related to matrimonial property and inheritance law, and coverage.
Additional fiduciary services
Finance and accounting, bookkeeping, annual financial statements, VAT advisory and returns, financial management as well as personnel administration including payroll processing and social insurance.
Risk management and insurance
Risk management, insurance, analysis of pension funds and execution of wills as additional advisory services related to provision and estate matters.
Trust & reputation

ranQ Trust Score of Completoplus AG: 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.

Completoplus AG 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%
Completoplus AG scores 78.6 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.75.012%
  • 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%
Completoplus AG 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%
Completoplus AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Completoplus AG 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

Romiszelgstrasse 1
8590 Romanshorn
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-329.148.576
Founded
2019 · 7 years
Last commercial register change
July 28, 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.
100.0
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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