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  • Partner, Eisner Advisory Group LLC
  • Partner, EisnerAmper LLP
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William Ryan is a Partner in the firm’s Private Client Services Group with over 15 years of experience in public accounting. Bill provides audit, assurance, tax and consulting services for private clients with a focus in construction, real estate and engineering and governmental contractors. Services include consulting on complex transactions, review of internal controls and process improvements, and direct industry specific advisory services.

Bill leads engagement teams providing both assurance and tax services. He works closely with business owners to manage taxable income, improve processes and internal controls and increase profitability. Bill also has expertise in the specialized issues of privately held business, including tax planning, exit strategies and inventory.

Bill’s construction experience includes utility contractors, paving companies, general contractors, subcontractors and specialty trade contractors. He has also served as an executive board member for a New Jersey construction organization.

Bill has presented and written articles covering fraud, accounting for business owners, and tax credits.


  • Audit & Accounting 
  • Construction
  • Real Estate
  • Manufacturing & Distribution
  • Privately & Closely Held Businesses

Credentials & Education

  • Certified Public Accountant (CPA)
  • Montclair State University: BS, Accounting


  • American Institute of Certified Public Accountants
  • New Jersey Society of Certified Public Accountants: Board of Trustees
  • Construction Financial Management Association

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