Auditor in
Liestal

10 companies in Auditor based in Liestal — name and year of registration from the commercial register. The list below shows them all.

Companies

All 10 companies in Liestal

Duttweiler & Partner Wirtschaftsprüfung AG Logo

Duttweiler & Partner Wirtschaftsprüfung AG

Since 2007 · 21–50 empl.4.6(10)

Duttweiler & Partner Wirtschaftsprüfung AG provides auditing services. Its work includes ordinary and limited audits, special audits under company law, audits under the Merger Act and occupational pension scheme audits.

AuditorStatutory audit
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
BDO AG Logo

BDO AG

Since 1987 · 1–10 empl.

BDO AG provides audit, fiduciary, tax and advisory services. Its offerings also include financial services and digital solutions for businesses and other organisations.

Management consultantAuditingFiduciary servicesTax advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Helios Treuhand AG Logo

Helios Treuhand AG

Since 1988 · 11–20 empl.

Helios Treuhand AG provides fiduciary services in accounting and finance, tax consultancy, payroll administration and business consulting. Its services also include ordinary and limited audits, bookkeeping, payroll accounting and tax filings.

AuditorFiduciary servicesLegal advice
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
TRETOR AG Logo

TRETOR AG

Since 1995 · 21–50 empl.

TRETOR AG is a fiduciary services firm offering accounting, payroll administration, auditing and tax services. Its business advisory services include support with controlling, financing, company formation and succession planning.

Management consultantFiduciary servicesTaxes and leviesAuditing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Haus zum Thurgauerhof AG Logo

Haus zum Thurgauerhof AG

Since 2000 · 11–20 empl.

Haus zum Thurgauerhof AG provides legal advice and representation in a range of fields, as well as external legal department services for SMEs. Notarial services are provided in cooperation with Notariat Brügger & Partner.

LawyerLaw firm and notary officeLegal adviceTrustee services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Hartmann & Koch AG Logo

Hartmann & Koch AG

Since 2006 · 1–10 empl.

Hartmann & Koch AG provides fiduciary, audit and advisory services. Its work includes bookkeeping, tax returns and VAT accounting, tax and business consulting, and statutory or voluntary audits.

AuditorFiduciary servicesTaxesBusiness consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
Finanzkontrolle des Kantons Basel-Landschaft Logo

Finanzkontrolle des Kantons Basel-Landschaft

Since 2007 · 1–10 empl.

Finanzkontrolle des Kantons Basel-Landschaft is the specialist body for financial oversight and audits the public finances of the canton. It conducts internal and external audits and control assignments, and provides independent audit and advisory services.

AuditorFinancial supervision and auditAdvisory assignments and specialist inputAnnual reports
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Bayard Treuhand GmbH Logo

Bayard Treuhand GmbH

Since 1998 · 1–10 empl.5.0(5)

Bayard Treuhand GmbH is an independent fiduciary services firm providing accounting, tax advisory and audit services. Its services include bookkeeping, annual financial statements, payroll and personnel administration, tax returns, audits, and support with company formations and restructurings.

AuditorAccountingTax advisoryAuditing
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #8
PT

Peter Tschopp

Since 2007 · 1–10 empl.

Auditor
No score yet
TA

Trewell AG

Since 2010 · 1–10 empl.

Auditor
No score yet

Auditor in Liestal

10AuditorCommercial register (Zefix) · as of November 15, 2026
2006Median year of registrationCommercial register (Zefix) · as of November 15, 2026
66in the Canton of Basel-CountryCommercial 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