Fiduciary Offices in
Romanshorn

18 companies in Fiduciary Offices based in Romanshorn — name and year of registration from the commercial register. The list below shows them all.

Companies

All 18 companies in Romanshorn

Provida Treuhand AG Logo

Provida Treuhand AG

Since 1986 · 51–100 empl.5.0(1)

The Provida Trust AG in Romanshorn supports companies and organizations with their day-to-day administrative and financial tasks. Its offerings include accounting, bookkeeping, annual financial statements, closing advice, personnel administration, payroll accounting and labor-law topics, consulting and sparring partners for companies, management and interim solutions. It relieves its clients of day-to-day operations and assists them in preparing financial and management information.

Fiduciary OfficesTrusteeTax Consulting / Tax ReturnBusiness advisory
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
PROVIDA AG Logo

PROVIDA AG

Since 1948 · 51–100 empl.5.0(1)

PROVIDA AG offers fiduciary and bookkeeping services, ordinary and limited audits, tax and legal advice as well as management consulting. The range of services includes accounting, payroll accounting, personnel administration, annual financial statements, statutory and specialized audits (including due diligence), tax advisory for companies (SMEs) and individuals, tax analyses to optimize the tax situation, tax representation, as well as guidance on company formation, succession and retirement planning.

Fiduciary OfficesFiduciary servicesTax consultingAudits / Auditor
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
Hugentobler & Bühler, AG für Treuhand und Unternehmensberatung Logo

Hugentobler & Bühler, AG für Treuhand und Unternehmensberatung

Since 1999 · 21–50 empl.4.6(10)

The core activity of Hugentobler & Bühler AG is the provision of services in the areas of trust and corporate consulting. Specifically, this includes: Financial and accounting, Tax consulting, Corporate consulting, Succession planning, Financial management, and Personnel administration. The company offers these services to small and medium-sized enterprises (SMEs) as well as to private individuals and has many years of professional experience and cross-industry expertise.

Fiduciary OfficesFinance and accountingTax consultingBusiness consulting
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #3
Provida Verwaltungs AG Logo

Provida Verwaltungs AG

Since 1982 · 51–100 empl.5.0(1)

PROVIDA Verwaltungs AG offers fiduciary and accounting services, ordinary and limited audits, tax and legal consulting as well as management consulting. The service portfolio includes accounting, payroll accounting, personnel administration, annual financial statements, statutory and specialized audits (including due diligence), corporate (SME) and private tax advisory, tax analyses to optimize the tax situation, tax representation, as well as advice on company formation, succession and retirement planning.

Fiduciary OfficesFiduciary servicesTax consultingBusiness consulting
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #4
Güntzel Immobilientreuhand GmbH Logo

Güntzel Immobilientreuhand GmbH

Since 2012 · 1–10 empl.4.2(14)

The core activity of Güntzel Immobilientreuhand GmbH is the provision of services in the field of real estate economics, particularly: real estate sales, real estate valuation, real estate consulting, accompaniment of new construction projects, and establishment of condominium ownership. The company thus offers a comprehensive range of services for private individuals and companies dealing with the purchase, sale or management of real estate.

Fiduciary OfficesReal estate salesReal estate valuationReal estate advisory
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #5
PROVIDA Wirtschaftsprüfung AG Logo

PROVIDA Wirtschaftsprüfung AG

Since 2004 · 11–20 empl.5.0(1)

The Provida Wirtschaftsprüfung AG in Romanshorn specializes in auditing, statutory auditing, and special auditing services. As an independent audit firm, it supports companies, organizations, and institutions in ordinary and limited audits as well as in other statutory and voluntary examinations. It assesses assets, financial, and earnings positions in a risk-based, efficient, and industry-specific manner. The offering also includes audits of pension institutions and public-law organizations, the design and auditing of internal control systems (ICS), due diligence investigations, expert opinions, and other specific audits.

Fiduciary OfficesBusiness consultingTax and legalFinancial audit
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
Sidler Treuhand AG Logo

Sidler Treuhand AG

Since 1991 · 1–10 empl.

The core activity of Sidler Treuhand AG is to provide comprehensive services in the following areas: * Consulting and support for companies and private individuals in business management matters * Accounting, including bookkeeping and financial and accounting services * Tax matters, including tax planning, tax returns and representation before authorities * Personnel administration, including payroll processing and personnel recruitment * Audits, including financial statement audits and reporting * Asset management, including real estate and asset management The company positions itself as a generalist and offers its customers a comprehensive range of services to meet their business management, tax and financial needs.

Fiduciary OfficesBusiness management consultingAccountingTax advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Bachmann H. Treuhand GmbH Logo

Bachmann H. Treuhand GmbH

Since 2013 · 1–10 empl.

Bachmann H. Treuhand GmbH provides holistic financial and fiduciary advisory services, including financial planning, tax advice, and pension and insurance consulting. Services also cover mortgage and real estate financing, marital property and inheritance matters, and support for company formation and succession.

Fiduciary OfficesFinancial planningTax advisoryRetirement planning advice
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
Completoplus AG Logo

Completoplus AG

Since 2019 · 11–20 empl.

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.

Fiduciary OfficesFinancial and pension planningRetirement and estate planningTax advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
ADMICRON GmbH Logo

ADMICRON GmbH

Since 2018 · 1–10 empl.

The core activity of ADMICRON GmbH is the provision of administrative services, particularly in the areas of accounting, taxes, IT support, and real estate management. The company also offers additional services such as invoicing, payroll management, liquidity planning, and web design.

Fiduciary OfficesBookkeepingTax returns and tax settlementsPersonnel administration and payroll
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
UnionTax Steuerberatergesellschaft GmbH (CH) Logo

UnionTax Steuerberatergesellschaft GmbH (CH)

Since 2023 · 21–50 empl.

The core activity of UnionTax is the provision of tax and legal services, particularly in the areas of income tax refunds and child benefit applications in Europe. This also includes representing clients before tax authorities, employers and family funds, as well as providing international legal advice and services.

Fiduciary OfficesTax refundKindergeld applicationEscrow account
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #11
Romag Treuhand AG Logo

Romag Treuhand AG

Since 1980 · 1–10 empl.4.0(4)

The core activity of Romag Treuhand AG is the provision of services in the field of trust business, particularly in the areas of: * Accounting and financial statement preparation * Auditing and revision * Tax consulting and tax planning * Payroll and personnel administration * Company formation and consulting * Real estate management The company offers its clients a comprehensive range of services to support and advise them on their financial and legal matters.

Fiduciary OfficesBookkeeping and annual financial statementsAudit servicesTax advisory and tax returns
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #12

Fiduciary Offices in Romanshorn

18Fiduciary OfficesCommercial register (Zefix) · as of October 11, 2026
2008Median year of registrationCommercial register (Zefix) · as of October 11, 2026
527in the Canton of ThurgauCommercial register (Zefix) · as of October 11, 2026
17,182in SwitzerlandCommercial register (Zefix) · as of October 11, 2026
Locations

Fiduciary Offices in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 11, 2026