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

Isdaner & Company Recognized on TOP 25 Accounting Firm List: One of the Few Independently Operated and Locally Owned Firms on the List

Named a 2019 Top Workplace by Philadelphia Media Network for THIRD Consecutive Year.

Read about the factors that led Isdaner & Company to receive the 2019 Top Workplace 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 July 17, 2019: I-9 Audits Increase, Changes for Personal Use of Employer-Provided Vehicles, Tax Planning Opportunities for 2019, Ensure You Qualify for Charitable Donation Deductions, Handle Payroll Taxes With Kid Gloves, and Be Careful to Document Hardship Distributions and Plan Loans

TAX ALERT: New Pennsylvania Sales Tax Rules

Isdaner News

Scott A. Isdaner, Elected President of Philadelphia Estate Planning Council

June 4, 2019

Scott A. Isdaner, CPA, JD, AEP® has been elected the president of the Philadelphia Estate Planning Council (PEPC) for a…

Read our Blog

Five tips to avoid penalties and interest

July 18, 2019

The Internal Revenue Service recently released its 2018 Databook, revealing a decrease in individual tax return audits for the seventh…