About Bonadio & Co LLP
<p>Audit, tax, and advisory work is the core of Bonadio & Co LLP (The Bonadio Group), a CPA firm founded in 1978. The firm handles assurance and related services for businesses and organizations that need reliable financial reporting and compliance support.</p> <p>Based in Pittsford in the Rochester–Finger Lakes region, the firm also has offices across New York State and in Vermont, Texas, Delaware, Florida, and Virginia. That footprint supports clients with multi-state operations and teams that prefer local access.</p> <p>Bonadio & Co LLP is a Top 100 Accounting Firm and works as part of the broader group’s assurance, tax, and consulting practice. One differentiator is its mix of regional New York roots with added reach through offices in several other states.</p> <p>For the Pittsford office, Aaron C. Kofira is a listed contact. Plan sponsors looking for <a href="/auditors/401k">401(k) auditors</a> may also compare other <a href="/retirement-plans">retirement plan providers</a> by service area and plan experience.</p> <ul> <li>Founded in 1978</li> <li>CPA firm with assurance, tax, and advisory/consulting services</li> <li>Pittsford office in the Rochester metro area</li> <li>Offices across NY plus VT, TX, DE, FL, and VA</li> <li>Recognized as a Top 100 Accounting Firm</li> </ul>
Website: https://www.bonadio.com/
Founded: 1978
Office Locations
- Pittsford, NY
Accreditations & Certifications
- AICPA EBPAQC
- AICPA Member
Audit Statistics (2024)
- Total Plans Audited: 430
- Total AUM Audited: $46.7B
- 401(k): 430 plans, $46.7B 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 |
|---|---|---|---|
| UNIVERSITY OF ROCHESTER RETIREMENT PROGRAM | UNIVERSITY OF ROCHESTER, NY | $7.2B | 30,335 |
| NEW YORK STATE NURSES ASSOCIATION PENSION PLAN | BOARD OF TRUSTEES-NEW YORK STATE NURSES ASSOCIATION PENSION PLAN, NY | $5.8B | 22,140 |
| CORNELL UNIVERSITY RETIREMENT PLAN FOR THE EMPLOYEES OF THE ENDOWED COLLEGES AT ITHACA | CORNELL UNIVERSITY, NY | $3.0B | 15,104 |
| AVANGRID 401(K) PLAN | AVANGRID MANAGEMENT COMPANY, LLC, CT | $2.6B | 8,263 |
| CORNELL UNIVERSITY TAX-DEFERRED ANNUITY PLAN | CORNELL UNIVERSITY, NY | $2.4B | 12,904 |
| 401(k) Retirement Plan | Healthcare Sponsor, CO | $1.6B | 11,903 |
| 401(k) Retirement Plan | Manufacturing Sponsor, CT | $1.6B | 1,670 |
| 401(k) Retirement Plan | Professional Services Sponsor, CT | $1.3B | 1,153 |
| 401(k) Retirement Plan | Technology Sponsor, NY | $1.1B | 4,111 |
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