Fiduciary Offices in
Amriswil

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

Companies

All 27 companies in Amriswil

Trewim AG Logo

Trewim AG

Since 2004 · 11–20 empl.4.6(41)

The core activity of Trewim AG encompasses the provision of services in the following areas: Trust services (financial and accounting, tax and corporate consulting, auditing), Real estate (management, condominium ownership, sales, rentals), and Pension and inheritance planning. The company positions itself as a partner for businesses and private individuals, offering competent consulting and services in these areas.

Fiduciary OfficesFinance & accountingTax & business consultingAuditing
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #1
THOMA Immobilien Treuhand AG Logo

THOMA Immobilien Treuhand AG

Since 2000 · 21–50 empl.4.5(8)

THOMA Immobilien Treuhand AG is a real estate company that provides services in property valuation, buying and selling, letting, management, project development, and portfolio management. It supports clients with property matters from brokerage to professional administration.

Fiduciary Offices
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
Spiri Steuern & Finanzen Logo

Spiri Steuern & Finanzen

Since 2019 · 1–10 empl.4.8(158)

The company's core activity is tax consulting and planning for natural persons, including the preparation of tax returns, tax advice and financial planning.

Fiduciary OfficesTax advisoryAnnual financial statements for sole proprietorshipsFinancial consulting
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #3
Wanner Treuhand GmbH Logo

Wanner Treuhand GmbH

Since 2006 · 1–10 empl.5.0(6)

The core activity of Wanner Treuhand GmbH is the provision of trust services, including competent consulting, efficient accounting and practical solutions for companies and private individuals to successfully overcome their financial and administrative challenges.

Fiduciary OfficesFiduciary servicesTax consultingFinancial accounting
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #4
Memo Treuhand AG Logo

Memo Treuhand AG

Since 1989 · 1–10 empl.5.0(4)

The core activity of Memo Treuhand AG is the provision of trust services, in particular: tax consulting, accounting, controlling, payroll accounting, and financial statement preparation. The company offers these services primarily to small and medium-sized enterprises, SMEs, non-profit organizations, and private individuals.

Fiduciary OfficesTax advisoryAccountingFiduciary advisory
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #5
TRIMANAGEMENT AG Logo

TRIMANAGEMENT AG

Since 1999 · 1–10 empl.

The core activity of TRIMANAGEMENT AG is the provision of services in the field of accounting and business evaluations, in particular: simple to complex accounting, business evaluations. The company offers these services across industries and works with specialists.

Management ConsultingAccountingManagement reporting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
Thurtal Treuhand GmbH Logo

Thurtal Treuhand GmbH

Since 2015 · 1–10 empl.

The core activity of Thurtal Treuhand is the provision of services in the field of business management consulting and support for companies, particularly in the areas of: financial and liquidity planning, controlling and reporting, accounting and bookkeeping, payroll processing, strategy development and implementation, and succession planning and business transfer. The company offers its customers individual solutions and support in overcoming business management challenges, aiming to improve the liquidity and efficiency of companies.

Fiduciary OfficesAccounting & Financial ManagementTax ReturnsBusiness Consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
aries treuhand ag Logo

aries treuhand ag

Since 2021 · 1–10 empl.

The company's core activity is the provision of trust and consulting services, particularly in the areas of accounting, tax consulting, payroll/HR, IT, real estate and inheritance law. The company also offers services such as start-ups, secretarial services and data protection consulting.

Fiduciary OfficesFiduciary and Business ConsultingAccountingTax Consulting
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #8
FERO Treuhand AG Logo

FERO Treuhand AG

Since 2018 · 1–10 empl.5.0(3)

The core activity of Fero Treuhand AG is the provision of comprehensive trust services in all trust matters, particularly in the areas of corporate development, tax issues, consulting and auditing, for small and medium-sized enterprises in the Amriswil region and Eastern Switzerland.

Fiduciary OfficesFinancial and accounting servicesTax advisory servicesPayroll services
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #9
Belloni Treuhand GmbH Logo

Belloni Treuhand GmbH

Since 2016 · 1–10 empl.5.0(3)

The core activity of Belloni Treuhand GmbH is the provision of services in the areas of trust, accounting, and taxes. Specifically, this includes: Financial accounting and payroll accounting, Tax consulting and declarations for natural and legal persons, Business consulting, including company formations, business valuations, and succession planning, Preparation of annual financial statements, interim financial statements, and monthly reporting, Settlement of VAT and withholding and stamp taxes, Fiscal representation for foreign companies. The company offers individual solutions for the finances of companies and private individuals and values transparent communication, tailored solutions, and long-term partnerships.

Fiduciary OfficesFinancial accountingTaxPayroll management / HR
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #10
promega treuhand ag Logo

promega treuhand ag

Since 2020 · 1–10 empl.3.2(43)

promega treuhand ag provides fiduciary and tax services, property management, and office/secretarial services. Its fiduciary offerings include bookkeeping, company formation, payroll administration and business consulting.

Fiduciary OfficesTrustee servicesAccounting and annual financial statementsTax consulting and tax return
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #11
Antares Treuhand AG Logo

Antares Treuhand AG

Since 2020 · 1–10 empl.

The core activity of the company "antares Treuhand AG" is the provision of services in the field of trust business, particularly in the areas of accounting, taxes and financial planning. The company offers consulting and support to customers in these areas to help them organize their financial affairs and improve their financial security.

Fiduciary OfficesFiduciary servicesAccountingTaxation
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Fiduciary Offices in Amriswil

27Fiduciary OfficesCommercial register (Zefix) · as of October 10, 2026
2009Median year of registrationCommercial register (Zefix) · as of October 10, 2026
527in the Canton of ThurgauCommercial register (Zefix) · as of October 10, 2026
17,182in SwitzerlandCommercial register (Zefix) · as of October 10, 2026
Locations

Fiduciary Offices in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 10, 2026