About Moss Adams LLP
<p>Founded in 1913 and headquartered in Seattle in the Puget Sound region, Moss Adams LLP is an accounting and advisory firm with about 3,800 employees. Alongside its core assurance work, the firm also offers consulting and wealth management services.</p> <p>Moss Adams works across industries such as aerospace & defense, agribusiness, financial services, health care, and technology. On the audit side, it handles financial statement audits and <a href="/auditors/401k">employee benefit plan audits</a>, supporting plan sponsors and employers that need dependable reporting and documentation.</p> <p>The firm also provides tax preparation and international tax advisory, plus project-based support for IPO readiness, M&A transactions, and compliance. Its consulting menu includes cybersecurity consulting, technology consulting, and risk management.</p> <p>One point that sets Moss Adams apart is the mix of benefit plan audit capability with broader tax, transaction, and cybersecurity resources under one firm, which can simplify coordination for organizations with multiple needs.</p> <ul> <li>Employee benefit plan audits and financial statement audits</li> <li>Tax preparation and international tax advisory</li> <li>IPO solutions, M&A transaction support, and compliance services</li> <li>Cybersecurity consulting, technology consulting, and risk management</li> <li>Wealth management for business owners, executives, families, and businesses</li> </ul>
Website: https://www.mossadams.com/
Founded: 1913
Employees: 3800
Office Locations
- Seattle, WA (Headquarters)
Accreditations & Certifications
- PCAOB Registered
- AICPA EBPAQC
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 |
|---|---|---|---|
| KAISER PERMANENTE RETIREMENT PLAN | KAISER FOUNDATION HEALTH PLAN, INC., CA | $34.4B | 140,357 |
| KAISER PERMANENTE 401(K) RETIREMENT PLAN | KAISER FOUNDATION HEALTH PLAN, INC., CA | $22.5B | 155,687 |
| SAMMONS ENTERPRISES, INC. EMPLOYEE STOCK OWNERSHIP PLAN | SAMMONS CORPORATION, TX | $21.2B | 3,273 |
| PACIFIC GAS AND ELECTRIC COMPANY RETIREMENT PLAN | PACIFIC GAS AND ELECTRIC COMPANY, CA | $17.5B | 28,573 |
| KAISER PERMANENTE TAX SHELTERED ANNUITY PLAN | KAISER FOUNDATION HEALTH PLAN, INC., CA | $13.8B | 80,148 |
| 401(k) Retirement Plan | Healthcare Sponsor, TX | $13.3B | 44,145 |
| 401(k) Retirement Plan | Manufacturing Sponsor, CA | $13.1B | 17,216 |
| 401(k) Retirement Plan | Professional Services Sponsor, CA | $12.7B | 51,389 |
| 401(k) Retirement Plan | Technology Sponsor, CA | $12.6B | 24,225 |
🔒 Want to unlock and download Moss Adams LLP's client list?
Subscribe to Basic or Premium today to reveal and download all 1786 client plans.
Subscribe Today