#1 Crowe LLP
Serves this area from Chicago, IL (23 mi)
Call (312) 899-7000 · Website401(k) & Benefit Plan Audit Firms in Lake County, IL
The top-ranked benefit plan audit firms serving Lake County, IL are Crowe LLP, Grant Thornton LLP and Sikich CPA LLC. We list 82 benefit plan audit firms serving Lake County, IL. 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 Lake County, IL. 82 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 Lake County
#2 Grant Thornton LLP
Serves this area from Chicago, IL (23 mi)Call (312) 856-0200 · Website#3 Sikich CPA LLC
Serves this area from Naperville, IL (33 mi)Call (630) 566-8400 · Website#4 Miller Cooper & Co., Ltd
Serves this area from Deerfield, IL (4 mi)Call (847) 205-5000 · Website#5 Rsm US LLP
Serves this area from Chicago, IL (23 mi)Call (312) 634-3400 · Website#6 Plante & Moran, PLLC
Serves this area from Southfield, MI (235 mi)Call (248) 352-2500 · Website#7 Fgmk, LLC
Based in Bannockburn, ILCall (847) 374-0400 · Website#8 Ernst & Young LLP
Serves this area from Des Moines, IA (303 mi)Call (515) 243-2727#9 Smith & Howard, PC
Serves this area from Atlanta, GA (608 mi)Call (404) 874-6244#10 Wipfli LLP
Serves this area from Wausau, WI (213 mi)Call (715) 845-3111 · Website
20 more providers serving this area
- Cliftonlarsonallen LLP, Minneapolis, MN (335 mi)
- Forvis Mazars, LLP, Dallas, TX (813 mi)
- Baker Tilly US, LLP, Los Angeles, CA (1754 mi)
- Mowery & Schoenfeld, LLC, Lincolnshire, IL
- Warady & Davis LLP, Riverwoods, IL
- Cassell Plan Audits, St. Charles, IL (31 mi)
- Cbiz CPAS P.C., New York, NY (724 mi)
- Bdo USA, P.C., Office location not on file
- Cherry Bekaert LLP, Louisville, KY (292 mi)
- Cjbs, LLC, Office location not on file
- Weiss & Company LLP, Glenview, IL (6 mi)
- Dufek & Company, LLC, Chicago, IL (23 mi)
- Kolnicki, Peterson & Wirth, LLC, Downers Grove, IL (27 mi)
- Plante & Moran, PLLC, Southfield, MI (235 mi)
- Aprio LLP, Rockville, MD (599 mi)
- Cherry Bakaert LLP, Office location not on file
- Dowell Group, LLP, Office location not on file
- Frank J Baker & Company, Ltd., Office location not on file
- Pbg Financial Services, PLLC, Glenview, IL (8 mi)
- Mccullough, Rossi & Co., Ltd., Hoffman Estates, IL (19 mi)
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Frequently asked questions
How many benefit plan audit firms serve Lake County?
We list 82 benefit plan audit firms serving Lake County, IL: 4 based there and 78 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 Lake County?
The top-ranked benefit plan audit firms serving Lake County, IL are Crowe LLP, Grant Thornton LLP, Sikich CPA LLC, Miller Cooper & Co., Ltd and Rsm US LLP. The full ranked list, with the official records each provider matched, is on this page.
Which benefit plan audit firms serving Lake County are verified against official records?
10 of the top 10 match an active official record: Crowe LLP (U.S. Department of Labor), Grant Thornton LLP (U.S. Department of Labor), Sikich CPA LLC (U.S. Department of Labor), Miller Cooper & Co., Ltd (U.S. Department of Labor) and Rsm US LLP (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 .
Cities in Lake County
Communities served
Zion, Grayslake, Libertyville, Lake Zurich, Lake Forest, Deerfield, Round Lake, Antioch, Lindenhurst, Beach Park, Wauconda, Fox Lake, Gages Lake, Hawthorn Woods, Lake Villa, Long Grove, Lincolnshire, Park City, Round Lake Park, Volo, Winthrop Harbor, Lake Bluff, Highwood, Grandwood Park, Lake Barrington, Kildeer, Green Oaks, Riverwoods, Deer Park, Long Lake, Hainesville, Wadsworth, North Barrington, Venetian Village, Fox Lake Hills, Round Lake Heights, Knollwood, Forest Lake, Channel Lake, Port Barrington, Bannockburn, Lake Catherine, Tower Lakes, Third Lake, Mettawa, Indian Creek, Old Mill Creek