WE MADE THE LIST OF LARGEST ACCOUNTING FIRMS IN THE PHILADELPHIA AREA AGAIN

We made the Philadelphia Business Journal list of the 43 largest accounting firms in the Philadelphia area. Only 18 of these firms  on the 2026 list have headquarters in  the State of Pennsylvania.  Isdaner & Company is unique as our headquarters are in the suburbs of Philadelphia, PA. We have been serving businesses and families for almost six decades.  Many local accounting firms have merged with large out of state accounting firms. We remain independent and committed to our presence in Pennsylvania.

Isdaner & Company offers tax, accounting and auditing and integrated services. The firm serves a variety of sectors including family-owned businesses, high net worth families and family offices, real estate, construction, manufacturing/distribution, service, long term care, not for profit/governmental, professional and medical practices. Our headquarters are in Bala Cynwyd, PA (a suburb of Philadelphia, PA).

Read more about the 2026 list of accounting firms.