Dufek & Company, LLC

Employee Benefit Plan Auditor

Brookfield, WI

About Dufek & Company, LLC

<p>Founded in 2003, Dufek &amp; Company, LLC focuses on one thing: employee benefit plan audits. The firm is led by auditor Scott M. Dufek and works with plan sponsors that need an audit firm familiar with retirement plan requirements and timelines.</p> <p>Headquartered in Brookfield in the Milwaukee metro area, with an office in Chicago, the firm supports plan sponsors across Wisconsin and Illinois. Its work centers on retirement plan audit compliance and a process built to keep day-to-day plan operations moving while the audit is underway.</p> <p>Dufek &amp; Company is a niche CPA practice that specializes exclusively in employee benefit plan audits, including 401(k), 403(b), and profit sharing plans. That exclusive focus is a clear differentiator for sponsors that want an audit team that does this work year-round.</p> <p>Plan sponsors can request a fixed quote for an employee benefit plan audit.</p> <ul> <li>Employee benefit plan audits for 401(k), 403(b), and profit sharing plans</li> <li><a href="/auditors/401k">401(k) auditors</a> for annual plan audit compliance support</li> <li>Audit services designed to limit disruption during fieldwork</li> <li>Service coverage across the Milwaukee and Chicago metro areas, plus WI and IL</li> </ul>

Website: https://www.5500audit.com/

Founded: 2003

Office Locations

  • Brookfield, WI (Headquarters)

Accreditations & Certifications

  • AICPA EBPAQC
  • AICPA Member

Audit Statistics (2024)

  • Total Plans Audited: 25
  • Total AUM Audited: $861.0M
  • 401(k): 25 plans, $861.0M AUM

Plans Serviced (2025)

Largest plans where this firm is listed as a service provider (Schedule C) or IQPA (Schedule H) on the most recent filings (From Form 5500).

PlanSponsorAssetsParticipants
ASTRONAUTICS CORPORATION OF AMERICA AND KEARFOTT CORPORATION DEFERRED SAVINGS AND PROFIT SHARING PLAN ASTRONAUTICS CORPORATION OF AMERICA, WI $187M 1,118
ORBA EMPLOYEES' RETIREMENT SAVINGS PLAN OSTROW REISIN BERK & ABRAMS, LTD., IL $71M 172
TYNDALE HOUSE MINISTRIES 401(K) PLAN TYNDALE HOUSE MINISTRIES, IL $63M 260
HABUSH HABUSH & ROTTIER, S.C. 401(K) SAVINGS PLAN HABUSH HABUSH & ROTTIER, S.C., WI $59M 133
IMPACT ADVISORS, LLC 401(K) PLAN IMPACT ADVISORS, LLC, IL $58M 642
401(k) Retirement Plan Healthcare Sponsor, IL $49M 84
401(k) Retirement Plan Manufacturing Sponsor, WI $48M 597
401(k) Retirement Plan Professional Services Sponsor, IL $48M 200
401(k) Retirement Plan Technology Sponsor, IL $42M 389

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