Fiduciary Offices in Aarau

Companies

50 of 54 companies

thv AG

Since 1958

Fiduciary servicesBusiness auditingBusiness consulting

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Treuhandvereinigung AG

Since 1958

Trust servicesFinancial auditTax advisory

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Suter Treuhand- und Beratungs AG

Since 1960

Fiduciary servicesTax advisoryBusiness advisory

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Realit Treuhand AG

Since 1974

Business consultingAuditingTax consulting

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Presida Treuhand AG Aarau

Since 1975

Outsourcing of payroll administrationPayroll solution (E-Salär)

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Gruber Partner AG

Since 1986

Financial AuditFiduciary ServicesBusiness Consulting

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Welte Treuhand AG

Since 1987

AccountingTax advisoryPayroll accounting

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kalkor.ch treuhand werner beck

Since 1987

Fiduciary servicesTax advisoryBusiness consulting

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RVW Revisions AG

Since 1989

Annual financial statement auditsSpecial auditsBusiness valuations

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Rudolf Fasler Aarau AG

Since 1990

Executor of the willInheritance law adviceEstate settlement

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REIST PARTNER AG

Since 1991

BookkeepingTax ConsultingBusiness Consulting

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Steiner plus AG

Since 1992

ArchitectureReal estateFiduciary services

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PricewaterhouseCoopers AG

Since 1998

Financial auditConsultingTax advisory

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Ernst & Young AG

Since 1998

Financial auditingTax advisoryBusiness consulting

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ITERA AG

Since 1999

Trust servicesTax advisoryAccounting

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Hanspeter Frischknecht und Partner AG

Since 2001

BookkeepingAuditsTax planning

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KSG Kompetenzzentrum für Städte und Gemeinden AG

Since 2001

ConsultingAuditTemporary staff assignments

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Avadis Finanzpartner AG

Since 2002

Financial planningFinancial advice for private individualsRetirement seminars

View profile4.7(12)

Acklin & Keusch AG

Since 2002

Bookkeeping and administrationTax advisoryFinancial auditing

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ESAG Escrow Services AG

Since 2003

Software EscrowEscrow ConsultingEscrow Agreement Drafting

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bilanz&erfolg ag

Since 2004

Fiduciary servicesERP implementationEfficiency check

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Savoy Treuhand AG

Since 2007

Trust servicesTax advisoryAudits and special examinations

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EVU Treuhand AG

Since 2011

Fiduciary servicesAd interim management / deputiesABACUS industry solution as SaaS

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SaLü Treuhand AG

Since 2011

Bookkeeping and advisoryTax advisory and tax returnsSupport for company formations

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SRC Christen AG

Since 2011

Tax advisory and tax planningAuditing and special auditsBusiness and financial consulting

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Knaus Treuhand AG

Since 2012

Accounting + financial advisoryTax advisory + tax planningHR administration

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Atufina AG

Since 2013

Fiduciary servicesTax advisoryVAT advisory

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Rizzo Treuhand GmbH

Since 2014

FiduciaryTax consulting and tax planningFinancial services

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hilfiker & partner ag

Since 2015

Independent Insurance and Pension AdvisoryFiduciary ServicesLegal Advice

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BCO Treuhand AG

Since 2015

Trust servicesFinancial and tax planningPersonnel administration

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aaretax Treuhand AG

Since 2016

Trust servicesTaxes (Tax advisory)Financial auditing

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Leisa Fügli Treuhand

Since 2018

BookkeepingTax returnOffice organization

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invicto ag

Since 2021

Fiduciary servicesCorporate finance advisoryAudit and assurance

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Wege Consulting GmbH

Since 2021

Accounting National & InternationalBusiness Advisory National & InternationalProject Management

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elm GmbH

Since 2022

Fiduciary servicesTaxesHR administration

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Tewo-Treuhand AG

Since 1991

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Aarekanzlei GmbH

Since 2016

View profile3.7(3)

EE

Eutag Eugster Treuhand AG

Since 1981

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B&

B & S Treuhand AG

Since 1997

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II

IT Inter-Trust AG

Since 1997

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KS

KENDRIS Services AG

Since 1999

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K

Kunath.GmbH

Since 2000

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AR

AWB Revisionen AG

Since 2003

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ET

Erismann Treuhand

Since 2006

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AT

Albatros Treuhand AG

Since 2010

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GK

g+t käser ag

Since 2015

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RT

REFO Trust & Advisory GmbH

Since 2017

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AA

Arimec Audit AG

Since 2019

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GG

greenchip GmbH

Since 2020

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FG

FIDUZ GmbH

Since 2022

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Fiduciary Offices in Aarau

54Fiduciary OfficesCommercial register (Zefix) · as of September 25, 2026

2004Median year of registrationCommercial register (Zefix) · as of September 25, 2026

956in the Canton of AargauCommercial register (Zefix) · as of September 25, 2026

17,100in SwitzerlandCommercial register (Zefix) · as of September 25, 2026

Locations

Fiduciary Offices in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 25, 2026

Largest places

Baden39 Wettingen37 Lenzburg34 Dättwil AG27 Zofingen25 Wohlen AG23 Mellingen21 Muri AG18 Brugg AG17 Spreitenbach15

Industry axis

Fiduciary Offices in other places

Fiduciary Offices across Switzerland

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Place axis

Other industries in Aarau

All companies in Aarau

Management Consulting121 Property Management118 Holding Companies98 IT Consulting & Services80 Restaurants77 Real Estate Brokerage70 Architecture Firms67 Software Development67 Coaching & Personal Development59 Real Estate Project Development58 Technical Consulting & Engineering53 Continuing Education Institutes48 Advertising Agencies47 NGOs & NPOs45 Recruitment & HR Consulting36 Trade Fair & Event Organizers34 Hair Salons31 General Contractors28 Online Shops27 Other Service Industries26 Construction & Project Management26 Cultural & Educational Organizations24 Psychiatry & Psychotherapy24 Catering24 Professional & Trade Associations23 Law Firms & Notary Offices22 Pension Funds21 Retail - Textiles & Clothing21 Beauty Salons20 Medical Technology Industry20 Financial Services19 Retail - Food & Luxury Items18 Publishing17 Facility Management & Cleaning17 Clubs, Bars & Event Venues16 Logistics & Transport Companies16 Naturopathic Clinics15 Photography14 Painting & Plastering14 Sports & Recreation Instruction14 Wellness & SPA Facilities14 Web Portals & Platform Companies14 Automotive & Vehicle Trade14 Solar & Photovoltaics13 Physiotherapy13 Wholesale - General Specialty Trade13 Wholesale - Machinery & Technical Equipment13 Institutions for People with Disabilities13

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Fiduciary Offices inAarau

50 of 54 companies

Fiduciary Offices in the region

Fiduciary Offices in other places

Other industries in Aarau

Fiduciary Offices in
Aarau