About Armanino LLP
<p>Audit and assurance are a core part of what Armanino LLP does, alongside tax, consulting, and technology services for organizations that need a CPA firm with broad coverage. Founded in 1969, the firm has grown into one of the 20 largest accounting firms in the U.S.</p> <p>Headquartered in San Ramon in the San Francisco Bay Area/East Bay, Armanino works with clients in the U.S. and internationally, reporting more than 12,000 clients across 100+ countries. The firm’s service mix includes traditional accounting and audit work plus technology support, including AI tools and guidance.</p> <p>In the retirement space, sponsors often look for an auditor that can coordinate closely with internal finance teams and other outside providers. Armanino’s differentiator is its mix of CPA services and in-house technology resources, which can be useful when audit work touches multiple systems and data sources.</p> <ul> <li><a href="/auditors/401k">401(k) auditors</a> and related audit and assurance services</li> <li>Accounting and financial reporting support</li> <li>Tax services</li> <li>Business consulting and technology services, including AI tools and guidance</li> <li>Firm size: 2,495 employees</li> </ul>
Website: https://www.www.armanino.com
Founded: 1969
Employees: 2495
Office Locations
- San Ramon, CA
Accreditations & Certifications
- AICPA EBPAQC
- AICPA Member
Audit Statistics (2024)
- Total Plans Audited: 448
- Total AUM Audited: $55.4B
- 401(k): 448 plans, $55.4B 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 |
|---|---|---|---|
| CHARTER COMMUNICATIONS, INC. 401(K) SAVINGS PLAN | CHARTER COMMUNICATIONS, INC., NC | $8.9B | 94,858 |
| CENTENE MANAGEMENT CORPORATION RETIREMENT PLAN | CENTENE CORPORATION, MO | $4.7B | 54,939 |
| TIME WARNER CABLE PENSION PLAN | CHARTER COMMUNICATIONS, INC., NC | $2.3B | 13,978 |
| AUTODESK 401(K) PLAN | AUTODESK, INC., CA | $2.0B | 5,920 |
| THE PROFIT SHARING AND SAVINGS PLAN OF GRAYBAR ELECTRIC COMPANY, INC. | GRAYBAR ELECTRIC COMPANY, INC., MO | $2.0B | 8,694 |
| 401(k) Retirement Plan | Healthcare Sponsor, TX | $1.9B | 21,156 |
| 401(k) Retirement Plan | Manufacturing Sponsor, CA | $1.7B | 7,533 |
| 401(k) Retirement Plan | Professional Services Sponsor, NC | $1.5B | 92,554 |
| 401(k) Retirement Plan | Technology Sponsor, MO | $1.1B | 4,874 |
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