About William

William Sawicki is a director in the Firm’s Long Wharf Drive office in New Haven, Connecticut and a member of the Firm’s Quality Control group. He has more than 35 years of accounting and auditing experience working with municipalities, government agencies, housing authorities, nonprofit entities and employee benefit plan providers. He also has a particular expertise in audits under Government Auditing Standards, as well as Housing and Urban Development (HUD) and federal and state compliance audits.

William teaches continuing education classes on federal Uniform Guidance, governmental and not-for-profit auditing, Yellow Book, HUD programs and compliance,as well as audits of employee benefit plans to Firm associates throughout Marcum offices across the country. He has developed training materials in the aforementionedareas and also has engagement quality review responsibilities for audits in these areas. William is the chair of Marcum’s National Employee Benefit PracticeCommittee. Their responsibilities under his direction include providing firmwide training on benefit plan audits, as well as keeping up on the latest accounting and auditing standards.

William has an extensive background working with the State of Connecticut on compliance related to special projects and funding sources. He has performed auditand other attest services for numerous agencies of the State of Connecticut and has been responsible for, and participated in, approximately 20 municipal audits in the State of Connecticut. In addition, William has led internal audit engagements involving bidding processes, overhead and cost allocations, construction change orders, retainage, budgets and facilities operations.

Professional & Civic Affiliations

  • American Institute of Certified Public Accountants (AICPA)
  • Connecticut Society of Certified Public Accountants (CTCPA)
  • Government Finance Officers Association, Connecticut Chapter
  • Seymour Volunteer Ambulance Association, Incorporator
  • Town of Seymour, Connecticut, Board of Finance, Chairman

Practice Focus

Employee Benefit Plans
Federal & State Compliance
Governmental Audits
Nonprofit Audits
GAO Yellow Book Audits
Compliance Audits
Internal Audits


Bachelor of Science, Business Administration
University of New Haven