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, 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 single audits.

Mr. Sawicki is Chairman of Marcum LLP’s National Employee Benefit Practice Committee. Their responsibilities under Mr. Sawicki’s direction include providing firm-wide training on benefit plan audits, as well as keeping up on the latest accounting and auditing standards.

Mr. Sawicki has an extensive background working with the State of Connecticut on compliance factors related to special projects and funding sources. He has performed audit and 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, Mr. Sawicki has led internal audit engagements involving bidding processes, overhead and cost allocations, construction change orders, retainage, budgets and facilities operations. Finally, he oversees audits for State agencies, municipalities, and nonprofit organizations located throughout Connecticut.

Mr. Sawicki shares his expertise internally to other Firm professionals through instructing classes. He has developed training materials for governmental auditing, HUD and single audits and is a frequent speaker at in-house seminars on topics related to government auditing standards, nonprofit and governmental auditing, HUD audits and the audits of employee benefit plans. In addition, he has engagement quality review responsibilities over governmental, compliance, HUD, non-profit, and employee benefit plan audits.

Professional & Civic Affiliations

  • American Institute of Certified Public Accountants (AICPA)
  • Connecticut Society of Certified Public Accountants (CTCPA)
  • Government Finance Officer’s Association, Connecticut Chapter
  • Association of Government Accountants
  • Seymour Volunteer Ambulance Association, Incorporator
  • Seymour Babe Ruth League, Inc., President
  • Town of Seymour, Connecticut, Board of Finance, Chairman


Employee Benefit Plans
Governmental Audits
Nonprofit Audits
GAO Yellow Book Audits
Compliance Audits
Internal Audits


Bachelor of Science, Business Administration
University of New Haven