Grant Thornton LLP

Employee Benefit Plan Auditor

Oakbrook Terrace, IL

About Grant Thornton LLP

<p>Founded in 1924, Grant Thornton LLP is a public accounting firm that provides audit and assurance, tax, and advisory services.</p> <p>Its headquarters is in Oakbrook Terrace in Chicago’s western suburbs, and the firm works with organizations across the U.S. and internationally.</p> <p>For retirement plan sponsors, Grant Thornton’s audit practice includes work aligned with the needs of <a href="/auditors/401k">401(k) auditors</a> and other ERISA-covered plans. Clients also use the firm for related accounting, reporting, and risk-focused projects that connect to plan administration and corporate finance.</p> <p>A practical differentiator is the range of services under one firm—plan audits can be coordinated with tax and advisory teams when sponsors need broader support.</p> <ul> <li>Audit &amp; assurance services</li> <li>Tax services</li> <li>Advisory services</li> <li>Industry experience in Financial Services, Health Sciences, and Manufacturing</li> </ul>

Website: https://www.grantthornton.com/

Founded: 1924

Office Locations

  • Oakbrook Terrace, IL (Headquarters)

Accreditations & Certifications

  • AICPA EBPAQC
  • AICPA Member

Audit Statistics (2024)

  • Total Plans Audited: 798
  • Total AUM Audited: $403.0B
  • 401(k): 798 plans, $403.0B 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).

PlanSponsorAssetsParticipants
RTX CONSOLIDATED PENSION PLANRTX CORPORATION, CT$41.6B33,534
CHEVRON EMPLOYEE SAVINGS INVESTMENT PLANCHEVRON CORPORATION, TX$20.4B22,195
ABBOTT LABORATORIES STOCK RETIREMENT PLANABBOTT LABORATORIES, IL$15.7B38,001
WALGREENS RETIREMENT SAVINGS PLANWALGREEN CO., IL$14.5B215,583
U.S. ROCHE 401(K) SAVINGS PLANGENENTECH, INC., CA$14.3B21,619
SAVINGS PLAN FOR EMPLOYEES AND PARTNERS OF PWCPWC US GROUP LLP, FL$13.2B49,697
LEIDOS, INC. RETIREMENT PLANLEIDOS, INC., VA$11.8B30,281
KPMG 401(K) CAPITAL ACCUMULATION PLANKPMG LLP, NJ$10.5B36,163
MCKINSEY & COMPANY, INC. (PSRP) PROFIT SHARING RETIREMENT PLANMCKINSEY & COMPANY, INC., NY$9.8B14,729
ABBOTT LABORATORIES ANNUITY RETIREMENT PLANABBOTT LABORATORIES, IL$8.6B16,718
YALE UNIVERSITY RETIREMENT ACCOUNT PLANYALE UNIVERSITY, CT$8.3B13,709
LIBERTY MUTUAL RETIREMENT BENEFIT PLANLIBERTY MUTUAL GROUP INC., MA$6.2B31,788
THE QUEST DIAGNOSTICS PROFIT SHARING PLANQUEST DIAGNOSTICS CLINICAL LABORATORIES, INC., NJ$5.6B48,596
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION RETIREMENT PLANSCIENCE APPLICATIONS INTERNATIONAL CORPORATION, VA$5.4B18,359
WESTROCK COMPANY 401(K) RETIREMENT SAVINGS PLANWESTROCK COMPANY, GA$5.0B31,545
T. ROWE PRICE U.S. RETIREMENT PROGRAMT. ROWE PRICE GROUP, INC., MD$4.9B6,820
STARBUCKS CORPORATION 401(K) PLANSTARBUCKS CORPORATION, WA$4.9B220,791
PPG INDUSTRIES, INC. EMPLOYEE SAVINGS PLANPPG INDUSTRIES, INC., PA$4.3B11,668
ABBOTT - ABBVIE MULTIPLE EMPLOYER PENSION PLANABBOTT LABORATORIES, IL$4.2B161
ITW SAVINGS AND INVESTMENT PLANILLINOIS TOOL WORKS INC., IL$4.2B15,573

Showing top 20 of 799 plans serviced in 2024.

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