About MGS LLP
<p>Founded in 2009, MGS LLP works with employers and individuals from Wayne in the Philadelphia Main Line area. The firm is led by contact partner Willis P. Maier and provides CPA services that cover day-to-day accounting along with formal assurance work.</p> <p>On the tax side, MGS LLP prepares filings for C corporations, S corporations, and limited liability businesses. The team also handles bookkeeping and supports financial statement preparation for business owners who want clean, organized reporting.</p> <p>For assurance needs, MGS LLP performs audits, reviews, and compilations, and it also conducts employee benefit plan audits for plans such as 401(k) and 403(b). Sponsors looking for <a href="/auditors/401k">401(k) auditors</a> will find an accounting firm that can handle both plan audit requirements and related compliance work under one roof.</p> <ul> <li>Employee benefit plan audits, including 401(k) and 403(b) plans</li> <li>Assurance services: audits, reviews, and compilations</li> <li>Tax preparation for C corps, S corps, and limited liability businesses</li> <li>Bookkeeping and financial statements</li> <li>Compliance support, strategic planning, and business accounting</li> </ul>
Website: https://mgs-cpa.com/
Founded: 2009
Office Locations
- Wayne, PA (Headquarters)
Accreditations & Certifications
- AICPA EBPAQC
- AICPA Member
Audit Statistics (2024)
- Total Plans Audited: 7
- Total AUM Audited: $12.2B
- 401(k): 7 plans, $12.2B AUM
Plans Serviced (2024)
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 |
|---|---|---|---|
| THE UNIVERSITY OF PENNSYLVANIA MATCHING PLAN | TRUSTEES OF THE UNIVERSITY OF PA, PA | $7.0B | 22,806 |
| SUPPLEMENTAL RETIREMENT ANNUITY PLAN OF THE UNIVERSITY OF PENNSYLVANIA | TRUSTEES OF THE UNIVERSITY OF PA, PA | $2.3B | 27,753 |
| UNIVERSITY OF PENNSYLVANIA BASIC PLAN | TRUSTEES OF THE UNIVERSITY OF PA, PA | $2.0B | 22,596 |
| JEP MANAGEMENT & AFFILIATES 401(K) PLAN | JEP MANAGEMENT, INC., PA | $58M | 378 |
| HAYSTACKID, LLC RETIREMENT PLAN | HAYSTACKID, LLC, MA | $20M | 301 |
| CHP 401(K) PLAN | CHELTEN HOUSE PRODUCTS, LLC, NJ | $9M | 475 |