Isdaner & Company, LLC

Our Isdaner & Company team of Philadelphia area CPAs, MBAs, and CFEs offer accounting, auditing, tax services, trust services and estate services, business consulting, litigation support and integrated services to high net worth individuals and closely-held companies, as well as diversified and multi-national clients in a variety of fields, including family-owned businesses, manufacturing, distribution and retail operations, long term care, service organizations, professional practices, real estate development and management, and nonprofit/government organizations in Philadelphia and the Delaware Valley.


Sadly, Larry Isdaner passed away in December 2005. He was one of the original founders of the firm. He and his father established the firm in 1967. Larry had over 48 years of experience in the accounting industry and his range of expertise was extensive, having worked both in the accounting and tax areas of the practice. He provided business-consulting services to manufacturers, retail operations, wholesalers, distributors and service organizations.

Larry was very involved in the community. He was the founder and chairman of the board of the Allegiance Bank of North America. He was active in the nonprofit organizations of Golden Slipper Club; he was board member and past president and Pop Warner Little Scholars. He also served on the advisory board of the directors of the Curtis Institute. He has a Bachelor of Science degree in accounting from the University of Pennsylvania, Wharton School.

Melvin Kates joined the firm in 1979 as a member. Prior to joining the firm, he was a partner in other regional accounting firms and also was self-employed. His specialty is in the corporate and partnership tax areas. Industry areas of expertise include: manufacturers, law firms, healthcare, automobile dealerships and retailers.

His professional affiliations include: memberships in the American and Pennsylvania Institutes of Certified Public Accountants. He was an elected financial official of Whitemarsh Township PA. and treasurer of the Germantown Cricket Club. He also served as a trustee for several retirement plans and investment trusts.

Mel has a Bachelor of Arts degree in accounting and economics from Penn State University.

Howard Magen joined the firm, as a partner, in 1979. Previously, Howard was a partner in a national accounting firm. He specialized in accounting and auditing. He served commercial, individual, service and not-for-profit clients.

His professional affiliations include memberships in the American and Pennsylvania Institutes of Certified Public Accountants. Howard is currently the Treasurer of the Union League of Philadelphia, Jewish Family and Children's Services, and the University of Pennsylvania Senior Associates. He is an honorary Vice-President of Congregation Rodeph Shalom and is Assistant Treasurer of Astral Artistic Services. He serves on the Board of the Friends of the Library of the University of Pennsylvania and is a Past President of the YM & YWHA.

Howard is a graduate of the Wharton School of the University of Pennsylvania.

Sadly, Mike Spoll passed away in September 2013. Mike Spoll joined Isdaner & Company, LLC as a member in 2004 in our Integrated Services Department. Mike had been practicing accounting since 1964. He was experienced in all phases of accounting, auditing and taxes with a specialty in the long-term care industry. Real estate and savings and loan industries were other niches Mike served. He was the manager of Medicare audits under a Blue Cross contract in the early years of the program.

His professional affiliations included memberships in the American and Pennsylvania Institutes of Certified Public Accountants. He served as a member on the Pennsylvania Institute of Certified Public Accountants' Committee of Long-term Care and the Pennsylvania Health Care Association. Mike was a member of the executive committee of the Cradle of Liberty Council of the Boy Scouts of America. He received his undergraduate degree in accounting from St. Joseph's College.

Gene Ristaino joined Isdaner & Company, LLC as a member in 1997. He was the chairperson of the firm’s accounting and auditing department. His professional affiliations include: memberships in the American and Pennsylvania Institutes of Certified Public Accountants. He is a professor of tax law in the Masters programs of Villanova and Philadelphia Universities.

Gene is a member of the Peer Review Committee for the Pennsylvania Institute of Certified Public Accountants and is a team captain for the Peer Review Program of the American Institute of Certified Public Accountants. He received his Bachelor of Science degree from Drexel University in 1972 and his Master of Taxation from Villanova University in 1985.