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Ostschweizerische Treuhand Zürich Ag

Ostschweizerische Treuhand Zürich AG has operated as an accredited audit firm since 1918.

Accounting
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Headquarters
Stadtkreis 3 Wiedikon, SwitzerlandSource: RevenueBaseRetrieved October 13, 2026
Employee range
11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded
1918Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
104 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Ostschweizerische Treuhand Zürich Ag do?

OTG works in finance, accountancy, auditing, corporate consultancy and tax consultancy.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

What the business offers

Services & capabilities.

Corporate and tax consultancy

The firm works in corporate and tax consultancy.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

#17OF 25
Switzerland

Ca firms

Snapshot: September 20, 2026

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Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWOstschweizerische Treuhand Zürich Ag listed #1 on Audit services for startups, September 26, 2026Open the published source list.
Ostschweizerische Treuhand Zürich Ag

#1 Audit services for startups

Snapshot: September 26, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 3, 2026. Directory positions use company-contact counts from separate saved list snapshots dated August 29, 2026, September 3, 2026, September 4, 2026, September 5, 2026, September 12, 2026, September 13, 2026, September 15, 2026, September 18, 2026, September 19, 2026, September 20, 2026, September 21, 2026, September 26, 2026, September 27, 2026, September 28, 2026, September 29, 2026, September 30, 2026, October 7, 2026, October 9, 2026 and October 11, 2026. How the company lists are built.

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