About Doeren Mayhew Assurance
<p>Founded in 2003, Doeren Mayhew Assurance is a CPA firm that provides audit, tax, and advisory services. The firm has a team of 550 employees.</p> <p>Headquartered in Troy in the Detroit metro area, Doeren Mayhew Assurance works with organizations that need financial reporting support and related assurance work. Its background as a CPA practice means clients can coordinate audit work alongside tax and advisory projects under one roof.</p> <p>For retirement plans, Doeren Mayhew Assurance fits among <a href="/auditors/401k">401(k) auditors</a> and other plan audit providers that help sponsors meet annual filing and reporting requirements. A practical differentiator is its ability to align plan audit timelines with broader financial statement and tax deadlines.</p> <ul> <li>CPA firm with audit, tax, and advisory services</li> <li>Employee benefit plan audit support for qualified retirement plans</li> <li>Headquarters: Troy, Michigan (Detroit-area)</li> <li>Founded: 2003</li> <li>Team size: 550 employees</li> </ul>
Website: https://www.doeren.com/
Founded: 2003
Employees: 550
Office Locations
- Troy, MI (Headquarters)
Accreditations & Certifications
- AICPA EBPAQC
- AICPA Member
Audit Statistics (2024)
- Total Plans Audited: 407
- Total AUM Audited: $22.7B
- 401(k): 407 plans, $22.7B 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).
| Plan | Sponsor | Assets | Participants |
|---|---|---|---|
| REPUBLIC SERVICES, INC. 401(K) PLAN | REPUBLIC SERVICES, INC., AZ | $2.7B | 33,316 |
| BAYLOR COLLEGE OF MEDICINE SECTION 403B | BAYLOR COLLEGE OF MEDICINE, TX | $2.2B | 13,672 |
| BAYLOR COLLEGE OF MEDICINE RETIREMENT PLAN | BAYLOR COLLEGE OF MEDICINE, TX | $2.0B | 11,162 |
| G & A PARTNERS MULTIPLE EMPLOYER 401(K) PLAN | G & A OUTSOURCING, INC. DBA G & A PARTNERS, TX | $1.4B | 34,105 |
| RETIREMENT PLAN FOR MICHIGAN CREDIT UNION EMPLOYEES 401(K) SAVINGS PLAN | MICHIGAN CREDIT UNION LEAGUE, MI | $996M | 9,626 |
| 401(k) Retirement Plan | Healthcare Sponsor, TX | $942M | 9,268 |
| 401(k) Retirement Plan | Manufacturing Sponsor, TX | $589M | 8,711 |
| 401(k) Retirement Plan | Professional Services Sponsor, MI | $474M | 4,554 |
| 401(k) Retirement Plan | Technology Sponsor, CA | $431M | 22,638 |
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