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Named a 2018 Top Workplace by the Philadelphia Media Network

Read about the factors that lead Isdaner & Company to receive the 2018 Top Workplaces Award

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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Headlines from September 5, 2018: New Limitations on Deductions for Business Interest Expense, The ABCs of Higher Education Tax Breaks, Maximize Social Security Benefits When You Retire, Deducting Pass-Through Business Losses, and Generous Health Plan May Not Preclude HSA Contribution

TAX ALERT: New Jersey Adopts Significant Individual & Corporate Tax Changes

Isdaner News

Treasury, IRS Issue Proposed Regulations on Charitable Contributions and State & Local Tax Credits

August 27, 2018

As announced in IRS News Release 2018 – 172, the U.S. Department of the Treasury and the Internal Revenue Service…

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The IRS has issued further guidance on the 20% deduction for pass-through entities

August 20, 2018

On August 8, 2018, the Internal Revenue Service released much anticipated guidance on the new 20% pass-through deduction under the…