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Shimmerman Penn Llp

Shimmerman Penn LLP is a boutique firm of Chartered Professional Accountants based in Toronto, Canada.

Accounting
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Headquarters
North York, Ontario, CanadaSource: RevenueBaseRetrieved October 13, 2026
Employee range
11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded
1979Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
45 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Shimmerman Penn Llp do?

The firm’s team of chartered accountants and business advisors focuses on building relationships based on mutual trust and integrity. The firm provides business advisory and accounting services.

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

Who it serves

The firm serves owner-managed businesses, private corporate groups, small public companies, organizations, and individuals.

What the business offers

Services & capabilities.

Business advisory

The firm provides business advisory services to owner-managed businesses, private corporate groups, small public companies, organizations, and individuals.

Source: LinkedIn company description · Retrieved October 13, 2026

Accounting services

The firm provides accounting services to owner-managed businesses, private corporate groups, small public companies, organizations, and individuals.

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.

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

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BADGE PREVIEWShimmerman Penn Llp listed #1 on Accounting and consulting firms, September 21, 2026Open the published source list.
Shimmerman Penn Llp

#1 Accounting and consulting firms

Snapshot: September 21, 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 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 1, 2026, September 4, 2026, September 5, 2026, September 18, 2026, September 20, 2026, September 21, 2026, September 22, 2026, September 23, 2026, September 26, 2026, September 27, 2026, September 28, 2026, September 29, 2026 and September 30, 2026. How the company lists are built.

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