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 June 6, 2018: The New Tax Law and Rental Real Estate Owners, Home Office Expenses, New Limit on Business Interest Expense Deductions, Maximize Social Security Benefits When You Retire, Follow Detailed Record-keeping Rules for Vehicle Expense Deductions, and Don't Panic If You Receive a Benefit Audit Notice

TAX ALERT: Governor Wolf Signs Act 18 of 2018

Isdaner News

Significant Changes to Partnership Audit Procedures

June 5, 2018

Congress enacted significant changes to partnership audit and adjustment rules. The changes are expected to dramatically increase the audit rates…

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Unreimbursed employee business deduction gone: Time to talk to your employer

June 18, 2018

Before the passage of the Tax Cuts and Jobs Act of 2017, tax law provided individuals the ability to deduct…