401(k) & Benefit Plan Audit Firms in St. Louis County, MO

The top-ranked benefit plan audit firms serving St. Louis County, MO are Armanino LLP, Rubinbrown LLP and Anders Minkler Huber & Helm LLP. We list 76 benefit plan audit firms serving St. Louis County, MO. 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 St. Louis County, MO. 76 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 St. Louis County

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Frequently asked questions

How many benefit plan audit firms serve St. Louis County?

We list 76 benefit plan audit firms serving St. Louis County, MO: 11 based there and 65 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 St. Louis County?

The top-ranked benefit plan audit firms serving St. Louis County, MO are Armanino LLP, Rubinbrown LLP, Anders Minkler Huber & Helm LLP, Uhy LLP and Forvis Mazars, LLP. The full ranked list, with the official records each provider matched, is on this page.

Which benefit plan audit firms serving St. Louis County are verified against official records?

10 of the top 10 match an active official record: Armanino LLP (U.S. Department of Labor), Rubinbrown LLP (U.S. Department of Labor), Anders Minkler Huber & Helm LLP (U.S. Department of Labor), Uhy LLP (U.S. Department of Labor) and Forvis Mazars, 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 St. Louis County

Communities served

Hazelwood, Webster Groves, Affton, Old Jamestown, Creve Coeur, Spanish Lake, Manchester, Ferguson, Concord, Clayton, Lemay, Overland, Eureka, Jennings, St. Ann, Crestwood, Town and Country, Bridgeton, Bellefontaine Neighbors, Ellisville, Des Peres, Sunset Hills, Richmond Heights, Olivette, Ladue, Brentwood, Maplewood, Berkeley, Sappington, Valley Park, Black Jack, St. John, Shrewsbury, Glendale, Dellwood, Rock Hill, Glasgow Village, Breckenridge Hills, Normandy, Fenton, Woodson Terrace, Frontenac, Northwoods, Castle Point, Pine Lawn, Green Park, Clarkson Valley, Pagedale, Riverview, Marlborough, Moline Acres, Bel-Ridge, Warson Woods, Hanley Hills, Vinita Park, Wellston, St. George, Lakeshire, Winchester, Oakland

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