#1Roorda, Piquet & Bessee, Inc.
Serves this area from Riverside, CA (14 mi)
401(k) & Benefit Plan Audit Firms in Ontario, CA
The top-ranked benefit plan audit firms serving Ontario, CA are Roorda, Piquet & Bessee, Inc., Cliftonlarsonallen LLP and Soren Mcadam LLP. We list 165 benefit plan audit firms serving Ontario, CA. 30 of the providers shown match an active record from U.S. Department of Labor, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
401(k) & Benefit Plan Audit Firms serving Ontario, CA (San Bernardino County). 165 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked benefit plan audit firms for Ontario
#2Cliftonlarsonallen LLP
Serves this area from Minneapolis, MN (1495 mi)#3Soren Mcadam LLP
Serves this area from Redlands, CA (22 mi)#4Holthouse Carlin & Van Trigt LLP
Serves this area from Long Beach, CA (39 mi)#5Rogers, Clem & Company
Serves this area from Covina, CA (15 mi)#6Baker Tilly US, LLP
Serves this area from Los Angeles, CA (58 mi)#7Cohnreznick LLP
Serves this area from Hartford, CT (2483 mi)#8Miller Kaplan Arase LLP
Serves this area from Los Angeles, CA (44 mi)#9Pension Assurance LLP
Serves this area from Agoura Hills, CA (66 mi)#10Eide Bailly LLP
Serves this area from Minneapolis, MN (1495 mi)
20 more providers serving this area
- Gyl LLP, Office location not on file
- Talley, LLP, Orange, CA (23 mi)
- David L. Buck CPA, Costa Mesa, CA (30 mi)
- Redwitz, Inc., San Diego, CA (83 mi)
- Lee CPA Audit Group, Rancho Cordova, CA (375 mi)
- Grant Thornton LLP, Chicago, IL (1714 mi)
- Baker Tilly US, LLP, Pittsburgh, PA (2103 mi)
- Swenson Corporation, Office location not on file
- Halliday & Company, CPAS, Redlands, CA (26 mi)
- Gelman LLP, Irvine, CA (27 mi)
- Macias Gini & O'connell LLP, Irvine, CA (27 mi)
- Lucas, Horsfall, Murphy & Pindroh, Pasadena, CA (32 mi)
- Green Hasson & Janks LLP, Los Angeles, CA (38 mi)
- Jlk Rosenberger, LLP, Glendale, CA (38 mi)
- Withumsmith+brown, PC, San Ramon, CA (354 mi)
- Forvis Mazars, LLP, Dallas, TX (1205 mi)
- Ernst & Young LLP, Des Moines, IA (1406 mi)
- Bas Partners, Pembroke Pines, FL (2287 mi)
- Singerlewak LLP, Urban Honolulu, HI (2600 mi)
- Bdo USA, P.C., Office location not on file
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Frequently asked questions
How many benefit plan audit firms serve Ontario?
We list 165 benefit plan audit firms serving Ontario, CA: 0 based there and 165 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which benefit plan audit firms serve Ontario?
The top-ranked benefit plan audit firms serving Ontario, CA are Roorda, Piquet & Bessee, Inc., Cliftonlarsonallen LLP, Soren Mcadam LLP, Holthouse Carlin & Van Trigt LLP and Rogers, Clem & Company. The full ranked list, with the official records each provider matched, is on this page.
Which benefit plan audit firms serving Ontario are verified against official records?
10 of the top 10 match an active official record: Roorda, Piquet & Bessee, Inc. (U.S. Department of Labor), Cliftonlarsonallen LLP (U.S. Department of Labor), Soren Mcadam LLP (U.S. Department of Labor), Holthouse Carlin & Van Trigt LLP (U.S. Department of Labor) and Rogers, Clem & Company (U.S. Department of Labor), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
When does a 401(k) plan need an audit?
Generally when a plan has 100 or more participants with account balances at the start of the plan year; Form 5500 must then include an independent qualified public accountant's report. Confirm with your plan advisor.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .