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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

Isdaner & Company winner of Top Workplace Awards for FIVE Consecutive Years

Read about the factors that led Isdaner & Company to receive the 2021 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.

To all our valued Clients and Friends:

We at Isdaner & Company are committed to protecting the health and well-being of our staff, clients and colleagues in light of the COVID-19 pandemic. Our physical location is currently closed however we are working remotely.

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.

Sign up for our Newsletter & Tax Alert

Read the latest Isdaner Insights or Tax Alert.

Headlines from May 4, 2021: Isdaner & Company AGAIN Named Top Workplace;  President Biden Details His Tax Proposals for Individuals; Who Qualifies for "Head of Household" Tax Filing Status?; Need a New Business Vehicle? Consider a Heavy SUV; Unemployed last year? Buying Health Insurance this Year? You May Benefit from These Changes

TAX ALERT: The Importance of Tax Return Filing and Payment Deadlines


Isdaner News

Norris Quoted in Philadelphia Inquirer – Work Opportunity Tax Credit

May 11, 2021

Need help getting workers? Use this tax credit to pay a hiring bonus. The Work Opportunity Tax Credit can help…

IRS Provides Guidance On Temporary 100% Expense Deduction For Meals

April 26, 2021

Good news for restaurants and business owners – temporary 100% deduction of restaurant meals! The IRS recently released guidance addressing…

Read our Blogs


PPE Costs Qualify for Medical Deduction

May 4, 2021

The IRS recently announced that amounts paid for personal protective equipment, such as masks, hand sanitizer, and sanitizing wipes, for…


Home Sales: How to Determine Your “Basis”

May 4, 2021

The housing market in many parts of the country is strong this spring. If you’re buying or selling a home,…