Recognized as one of the top accounting firms by the Philadelphia Business Journal

Isdaner Recognized on Top 25 Accounting Firm List: One of the Few Independent Locally Owned Firms In Philadelphia area.

Named a 2016 top ranked accounting firm by Advisory HQ

Learn about some of the factors which led us to be named as one of Advisory HQ's 2016’s top 11 accounting firms in Philadelphia.

A membership with MSI Global Alliance

Isdaner & Company, LLC is a member firm of MSI Global Alliance, a leading international association of independent professional firms.

Our only business is your business.


Isdaner & Company specialists provide accounting and tax services as well as: litigation support, trust & estate services, employee benefit plan audits, business consulting & auditing.


Our CPAs, CFEs and MBAs provide accounting and business services to clients in healthcare, long-term care, nonprofit, government, real estate, manufacturing and distribution, retail, construction & other business sectors.


Isdaner & Company, a Philadelphia area accounting firm, has a variety of resources available for your use. Feel free to browse through articles staff wrote and presentations we offered. Check out our list of State Agencies as well as tax information. Read the latest issue of our enewsletter, Isdaner Insights.

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Read the latest issue of Isdaner Insights, our biweekly enewsletter, for the latest in industry topics and Isdaner inside news. Sign up on the Isdaner Insights page by clicking the link below.

Isdaner in the News

A Roundtable Discussion on Key Tax Issues

January 30, 2016

A Roundtable Discussion on Key Tax Issues – Philadelphia SmartCEO, January/February 2016

Read our Blog

Tax Platforms of Political Parties

August 4, 2016

The election cycle is in full swing now that both the Republican and Democratic Conventions have ended and the parties…