Auditor in
Zurich

201 companies in Auditor based in Zurich — name and year of registration from the commercial register.

Companies

50 of 201 companies

Aeppli & Mueller Consulting GmbH Logo

Aeppli & Mueller Consulting GmbH

Since 2000 · 1–10 empl.5.0(168)

Aeppli & Mueller Consulting GmbH provides fiduciary services, including bookkeeping, payroll accounting and annual financial statements. Its services also include independent audits, tax advice, and support with SAP Business One and bexio.

AuditorFiduciary servicesTax advisoryAudit
ranQ Trust Score 4.6 out of 5.0, rated Excellent, Rank #1
Aeberli Treuhand AG Logo

Aeberli Treuhand AG

Since 1976 · 21–50 empl.4.6(29)

Aeberli Treuhand AG provides fiduciary, audit, corporate advisory and tax services. Its services include accounting, payroll administration, legal advice, business succession planning and digitalisation support.

AuditorFinancial auditsAccountingTaxation
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #2
CC Finanz und Treuhand AG Logo

CC Finanz und Treuhand AG

Since 2006 · 11–20 empl.4.8(79)

CC Finanz und Treuhand AG provides fiduciary and business consulting services. Its activities include accounting, company formation, business addresses and board mandates, as well as brokering the purchase and sale of shelf companies.

Management consultantShelf companiesSell a company (AG or GmbH)Company formation Switzerland
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #3
TreuVision AG Logo

TreuVision AG

Since 2013 · 21–50 empl.4.9(26)

TreuVision AG provides fiduciary and audit services, supporting businesses with financial accounting, payroll administration, tax matters, financial reporting and consolidation. Its services also include advice on financial management and digital finance processes, as well as training.

AuditorFiduciary servicesFinancial statementsCorporate financial management
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #4
Grant Thornton AG Logo

Grant Thornton AG

Since 1971 · 101–500 empl.5.0(2)

Grant Thornton AG is an audit and consulting firm offering services in audit, tax, advisory and outsourcing. Its services include financial and business advisory, as well as accounting and payroll services.

AuditorAuditingTax advisoryAdvisory services
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #5
Fidinter Treuhand AG Logo

Fidinter Treuhand AG

Since 1952 · 11–20 empl.5.0(4)

Fidinter Treuhand AG is a fiduciary services company within the Fidinter Group. Its areas of activity include auditing, accounting and payroll administration, tax consulting, business consulting and company administration.

Management consultantAccounting / HRAuditingTax consulting
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #6
BK&P AG, Treuhandgesellschaft Logo

BK&P AG, Treuhandgesellschaft

Since 1986 · 21–50 empl.5.0(4)

BK&P AG, Treuhandgesellschaft is a fiduciary and auditing firm serving individuals, companies and institutions. Its services include auditing, tax, legal, business and insurance advice, as well as accounting and financial reporting.

AuditorBusiness consultingTax advisory & tax lawAccounting
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #7
Controva AG Logo

Controva AG

Since 2004 · 21–50 empl.4.8(5)

Controva AG is a fiduciary and auditing firm. Its services include accounting and financial reporting, tax advice, audits, human resources administration and management consulting.

AuditorBookkeeping and Financial ReportingTax AdvisoryAudit and Assurance
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #8
Acribia AG Logo

Acribia AG

Since 1969 · 21–50 empl.5.0(8)

Acribia AG is a fiduciary and audit firm. Its services include accounting and accounting outsourcing, audits, tax and legal advice, and business consulting. The company also implements and supports Abacus software solutions.

AuditorConsultingFiduciaryStatutory auditing
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #9
Trewitax Zürich AG Logo

Trewitax Zürich AG

Since 2001 · 11–20 empl.5.0(3)

Trewitax Zürich AG provides fiduciary and accounting services, tax advice and auditing. Its services also include annual financial statements, business consulting, M&A advisory, and support with succession and restructuring.

Management consultantFiduciary services, financial & payroll accountingAnnual financial statements & tax returnsTax structuring & international tax advisory
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #10
WOBMANN TREUHAND AG Logo

WOBMANN TREUHAND AG

Since 1969 · 1–10 empl.4.4(13)

WOBMANN TREUHAND AG is a fiduciary services firm offering financial and payroll accounting, tax advice and auditing. Its services also include business consulting, legal support, insurance and fiduciary services, and administrative work.

Management consultantFinancial accountingTax advicePayroll accounting
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #11
Lenherr & Partner AG Logo

Lenherr & Partner AG

Since 1991 · 11–20 empl.4.6(8)

Lenherr & Partner AG is a fiduciary firm providing tax, accounting, auditing and business consulting services. Its work includes tax returns and planning, bookkeeping, audits, and advice on company formations, restructurings and succession planning.

Management consultantTax advisoryFiduciary servicesFinancial auditing
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #12
STM Steuerberatung & Treuhand Mettler AG Logo

STM Steuerberatung & Treuhand Mettler AG

Since 2005 · 1–10 empl.5.0(9)

STM Steuerberatung & Treuhand Mettler AG provides tax advisory, accounting, fiduciary services and auditing. It advises individuals and businesses on complex tax matters, including cross-border issues involving Germany and Austria.

AuditorTax advisoryAccounting & fiduciary servicesAuditing
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #13
Cordial Treuhand AG Logo

Cordial Treuhand AG

Since 1989 · 11–20 empl.5.0(3)

Cordial Treuhand AG is a fiduciary services firm offering tax advice, financial accounting, budget advice and payroll services. Its other services include company formation, administrative work, and temporary or external accounting support.

AuditorFinancial accountingTax advisoryBudget advisory
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #14
TBO Revisions AG Logo

TBO Revisions AG

Since 1984 · 1–10 empl.4.2(5)

TBO Revisions AG carries out limited and ordinary audits, including audits of annual and consolidated financial statements. Its services also include special audits and other assurance engagements for businesses, non-profit organisations, foundations, associations and housing cooperatives.

Management consultantStatutory auditingSpecial auditsSpecial advisory services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
Rödl AG Logo

Rödl AG

Since 2007 · 21–50 empl.5.0(3)

Rödl AG provides businesses with audit, tax, transaction advisory, fiduciary and IT consulting services. Legal advice is delivered in cooperation with a partner firm.

AuditorTax advisoryAudit and assuranceFiduciary and BPO services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
Budliger Treuhand AG Logo

Budliger Treuhand AG

Since 1984 · 21–50 empl.3.8(10)

Budliger Treuhand AG provides tax advisory, audit, business consulting, accounting and HR services. It also offers estate-planning advice and support with business matters.

AuditorTax advisoryAuditBusiness consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
Ferax Treuhand AG Logo

Ferax Treuhand AG

Since 1989 · 11–20 empl.4.3(11)

Ferax Treuhand AG provides fiduciary and advisory services to small and medium-sized businesses and individuals. Its services include accounting, auditing, tax and legal advice, and business consulting.

Management consultantAuditingTax advisoryBookkeeping
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
Friederich Treuhand + Revisions AG Logo

Friederich Treuhand + Revisions AG

Since 2008 · 1–10 empl.5.0(5)

Friederich Treuhand + Revisions AG provides fiduciary services to individuals, self-employed people and SMEs. Its services include bookkeeping and payroll administration, tax and business advice, limited audits, and support with company formations and restructurings.

AuditorBookkeeping / Financial Statement AdvisoryPayroll / HR AdministrationTax Advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #19
BDO AG Logo

BDO AG

Since 1932 · 11–20 empl.

BDO AG is an audit, fiduciary and consulting firm. Its services include auditing, tax and legal advice, financial services, business consulting, and digital and IT services.

Management consultantTrust servicesAdvisoryAudit and assurance
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #20
Revisionsstelle der Ausgleichskassen, Genossenschaft für Arbeitgeberkontrollen Logo

Revisionsstelle der Ausgleichskassen, Genossenschaft für Arbeitgeberkontrollen

Since 1944 · 21–50 empl.

Revisionsstelle der Ausgleichskassen, Genossenschaft für Arbeitgeberkontrollen conducts employer audits throughout Switzerland, checking compliance with AHV, IV, EO and ALV contribution and reporting requirements. It also audits family allowance and accident insurance matters and provides second opinions on AHV law.

AuditorEmployer controlsFamily allowance controlsUVG controls
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #21
Dr. Nabholz Treuhand AG Logo

Dr. Nabholz Treuhand AG

Since 1961 · 1–10 empl.

Dr. Nabholz Treuhand AG provides fiduciary, accounting, tax, auditing and business consulting services. Its services also include legal advice, company formation and succession planning, payroll administration, organisational consulting and coaching.

Management consultantTrust and bookkeepingTax consulting and tax representationAudit and business consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #22
unitas treuhandgesellschaft AG Logo

unitas treuhandgesellschaft AG

Since 1966 · 1–10 empl.

unitas treuhandgesellschaft AG provides fiduciary services to individuals and companies across a range of industries. Its work includes bookkeeping, payroll accounting and personnel administration, financial statement audits, business consulting and tax advice.

AuditorFiduciary servicesFinancial auditingBusiness consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #23
Caminada Treuhand AG Zürich Logo

Caminada Treuhand AG Zürich

Since 1966 · 21–50 empl.3.6(5)

Caminada Treuhand AG Zürich provides fiduciary and audit services for businesses and private clients. Its services include accounting and financial statements, payroll administration, auditing, company valuations and consultancy, as well as tax, pension and succession planning.

AuditorTax advisoryBookkeeping and financial statementsPayroll and personnel administration
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #24
Turicum Wirtschaftsprüfung AG Logo

Turicum Wirtschaftsprüfung AG

Since 1967 · 11–20 empl.

Turicum Wirtschaftsprüfung AG provides statutory and limited audits, group and special audits, reviews of annual financial statements, and due diligence examinations. Its other services include company valuations, risk assessments, and support with company formations, conversions, mergers, restructurings, and business acquisitions or sales.

AuditorAccountingFinancial and business consultingTax representation and tax optimization
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #25
Mehr-Treuhand AG Logo

Mehr-Treuhand AG

Since 1968 · 1–10 empl.

Mehr-Treuhand AG is a fiduciary and audit firm that primarily serves small and medium-sized businesses. Its services include bookkeeping and annual financial statements, tax advice, business consulting, and limited statutory audits and special audits.

Management consultantTrust and Fiduciary ServicesTax AdvisoryBusiness Consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #26
ECOVIS Intercontrol AG Logo

ECOVIS Intercontrol AG

Since 1971 · 11–20 empl.

ECOVIS Intercontrol AG is an audit and business consulting firm. It conducts statutory and voluntary audits and advises on business matters, accounting, payroll, tax, internal audit, risk management and cyber security; it also provides foundation and donation administration.

AuditorAuditBusiness consultingPayroll, Accounting & Controlling, Taxes
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #27
Finanz-Treuhand Zürich AG Logo

Finanz-Treuhand Zürich AG

Since 1972 · 1–10 empl.

Finanz-Treuhand Zürich AG provides fiduciary services in taxation, accounting, auditing and business consulting. Its services include tax returns, bookkeeping and annual financial statements, audits, and advice on company formations, restructurings and succession planning.

AuditorAccountingTaxationAudit
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #28
Rekonta Revisions AG Logo

Rekonta Revisions AG

Since 1975 · 11–20 empl.

Rekonta Revisions AG is an approved audit firm providing limited and ordinary audits as well as special audit services. These include audits related to company formations, capital changes, liquidations, over-indebtedness and mergers.

AuditorAuditsSpecial audits
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #29
Accept Treuhand und Informatik ATI AG Logo

Accept Treuhand und Informatik ATI AG

Since 1976 · 1–10 empl.

Accept Treuhand und Informatik ATI AG provides fiduciary and business consulting services to companies and individuals. Its services include audits, tax advice, financial and accounting services, support with company formation, recruitment, inheritance advice and property management.

AuditorFinance and AccountingTax ConsultingBusiness Consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #30
Treufit AG Logo

Treufit AG

Since 1977 · 1–10 empl.

Treufit AG provides fiduciary services in accounting, financial statements and planning, taxation, auditing and business consulting. Its services include maintaining financial, payroll and accounts payable records.

AuditorAccounting / Financial management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #31
Trigema AG Logo

Trigema AG

Since 1977 · 11–20 empl.

Trigema AG provides services to corporate and private clients in fiduciary and business consulting, accounting, legal advisory, auditing and taxation. Its services include bookkeeping and controlling support as well as independent audits.

AuditorTrust servicesBusiness consultingAccounting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #32
Weber Gähwiler Revisions AG Logo

Weber Gähwiler Revisions AG

Since 1978 · 1–10 empl.

Weber Gähwiler Revisions AG provides auditing services as an approved audit expert. Its work includes statutory audits, audits of consolidated financial statements, incorporation audits, audits under the Merger Act and expert opinions.

AuditorFinancial auditConsulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #33
NOVISA Wirtschaftsprüfung AG Logo

NOVISA Wirtschaftsprüfung AG

Since 1980 · 1–10 empl.

NOVISA Wirtschaftsprüfung AG conducts ordinary and limited audits of annual financial statements. Its services also include share and company valuations, capital reductions and increases, and early liquidations.

AuditorFinancial audit
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #34
PRÜFAG Wirtschaftsprüfung AG Logo

PRÜFAG Wirtschaftsprüfung AG

Since 1980 · 1–10 empl.

PRÜFAG Wirtschaftsprüfung AG provides statutory audits and other business-related assurance services for companies. Its services include ordinary and limited audits, group financial statement audits, reviews of corporate transactions, business valuations and due diligence.

AuditorAuditsBusiness ValuationDue Diligence
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #35
Auditrium Gestoria AG Logo

Auditrium Gestoria AG

Since 1981 · 11–20 empl.

Auditrium Gestoria AG provides fiduciary, tax advisory and auditing services. Its services also include business consulting, management support, and HR and payroll services.

Management consultantFiduciary servicesTax advisoryBusiness consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #36
Auditco AG Logo

Auditco AG

Since 1981 · 11–20 empl.

Auditco AG provides audit, tax advisory and fiduciary services. Its work includes statutory and special audits, tax returns and advice, as well as financial and payroll accounting and the preparation of annual financial statements.

AuditorFinancial auditingTax advisoryAnnual financial statement preparation and financial accounting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #37
Fitis Treuhand AG Logo

Fitis Treuhand AG

Since 1982 · 21–50 empl.

Fitis Treuhand AG provides fiduciary and business services, including financial accounting, annual financial statements, tax services, and payroll and personnel administration. Its services also cover real estate management and advisory, legal and business consulting, and trust administration.

AuditorTrustee servicesTaxesPayroll and HR administration
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #38
BERET AG, Beratungs-, Revisions- und Treuhandgesellschaft Logo

BERET AG, Beratungs-, Revisions- und Treuhandgesellschaft

Since 1983 · 1–10 empl.

BERET AG, Beratungs-, Revisions- und Treuhandgesellschaft provides fiduciary, audit and consulting services. Its activities include accounting and financial administration, tax services, audits, business and strategy consulting, and special mandates such as estate planning and executor services.

Management consultantFinance and AccountingTax AdvisoryAudit Services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #39
Deloitte AG Logo

Deloitte AG

Since 1984 · 500+ empl.

AuditorStrategy & TransactionsTax AdvisoryAudit and Assurance
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #40
Refundus AG Logo

Refundus AG

Since 1989 · 1–10 empl.

Refundus AG provides services in the field of auditing.

AuditorFinancial auditing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #41
OBT AG Logo

OBT AG

Since 1990 · 51–100 empl.

OBT AG provides fiduciary, auditing, tax and legal services, business consulting and HR services. It also delivers comprehensive IT solutions for SMEs, public-sector organisations and other institutions.

AuditorTrust servicesIT servicesBusiness consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #42
RIS & Partner Treuhand AG Logo

RIS & Partner Treuhand AG

Since 1990 · 11–20 empl.

RIS & Partner Treuhand AG provides fiduciary and auditing services to businesses and individuals. Its services include accounting, payroll administration, tax, legal and business advisory, as well as financial statement audits and other audit-related services.

AuditorAccountingPayroll AdministrationTax Advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #43
Crowe Curator Tax AG Logo

Crowe Curator Tax AG

Since 1991 · 1–10 empl.

Crowe Curator Tax AG provides tax advice to businesses and individuals, including guidance on corporate, individual and international taxation. Crowe Curator’s broader services include accounting, audit, advisory and consulting, and technology services.

Management consultantTax AdvisoryAccountingPayroll Outsourcing and HR Administration
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #44
BSP Revisions AG Logo

BSP Revisions AG

Since 1991 · 1–10 empl.

BSP Revisions AG provides audit services for businesses, including limited, ordinary and special audits. BSP also offers accounting, tax and fiduciary services.

AuditorAudit servicesFiduciary services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #45
KPMG AG Logo

KPMG AG

Since 1992 · 21–50 empl.

KPMG AG provides audit, tax, legal and business advisory services. Its activities include audit and assurance, as well as advice on strategy, transactions and business transformation.

Management consultantFiduciary and advisory servicesAudit and assurance servicesTax advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #46
Ostschweizerische Treuhand Zürich AG Logo

Ostschweizerische Treuhand Zürich AG

Since 1992 · 21–50 empl.

Ostschweizerische Treuhand Zürich AG is a fiduciary, audit and advisory firm offering services in financial accounting and tax consulting. It also supports businesses and individuals with mergers and acquisitions, restructurings and succession planning.

AuditorFinancial statement auditTax advisoryTrust & advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #47
Credor AG Wirtschaftsprüfung Logo

Credor AG Wirtschaftsprüfung

Since 1993 · 11–20 empl.

Credor AG Wirtschaftsprüfung provides statutory audit services, including limited and ordinary audits and audits of consolidated financial statements. It also prepares expert reports and business valuations and conducts due diligence assignments.

AuditorStatutory auditSME advisoryTax & legal
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #48
Seiler Treuhand AG Logo

Seiler Treuhand AG

Since 1993 · 11–20 empl.

Seiler Treuhand AG is a fiduciary and business advisory firm. Its services include auditing, accounting, personnel administration, tax and legal advice, property management, and support with succession and inheritance matters.

AuditorTax advisoryBookkeepingAuditing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #49
ITERA Wirtschaftsprüfung AG Logo

ITERA Wirtschaftsprüfung AG

Since 1997 · 1–10 empl.

ITERA Wirtschaftsprüfung AG performs statutory, voluntary and group audits, as well as audits of foundations. Its services also include internal control system and VAT audits, due diligence reviews and business valuations.

AuditorFinancial auditFiduciary servicesTax advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #50

Auditor in Zurich

201AuditorCommercial register (Zefix) · as of November 15, 2026
2005Median year of registrationCommercial register (Zefix) · as of November 15, 2026
410in the Canton of ZurichCommercial register (Zefix) · as of November 15, 2026
2,530in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Auditor in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 15, 2026