The Biggest Accounting Firms in the US Whip It Out and Compare Size in This Much Anticipated List

Big pile of bundles of 100 US dollar notes. 3d rendering of stacks of cash

INSIDE Public Accounting has dropped its highly regarded Top 500 list as it does every year around this time and we now know who gets bragging rights as the biggest — Big D, obviously. Quick golf clap for them, everybody.

Because it’s 2024 and the profession is currently being disrupted by private equity and spaghetti throwing, some of this data was in desperate need of an update before the virtual ink dried on insidepublicaccounting.com’s CMS (for example, last week’s news about CBIZ acquiring Marcum). But let’s review the first twenty anyway.

RankFirmMP / CEONet Revenue
1DeloitteJason Girzadas$32,669,000,000
2PwCTim Ryan$23,535,000,000
3Ernst & Young LLPJulie Boland$21,500,000,000
4KPMG LLPBill Thomas$14,600,000,000
5RSM US LLPBrian Becker$4,007,702,000
6BDO USAWayne Berson$2,887,900,000
7Grant Thornton LLPSeth Siegel$2,362,181,000
8Forvis Mazars LLPTom Watson$2,152,395,000
9CLAJennifer Leary$2,000,000,000
10Baker TillyJeff Ferro$1,718,700,000
11CBIZ & MHMChris Spurio
Andrew Gragnani
$1,350,000,000
12Crowe LLPMark Baer$1,337,967,000
13Marcum LLPJeffrey M. Weiner$1,325,237,676
14Moss Adams LLPEric Miles$1,260,000,000
15Plante MoranJason Drake$1,109,692,000
16CohnReznick LLPDavid Kessler$1,052,365,413
17Eisner Advisory Group LLCCharly Weinstein$848,707,698
18Eide Bailly LLPJeremy Hauk$704,979,000
19Citrin CoopermanAlan G. Badey$674,000,000
20Armanino LLPMatt Armanino$640,448,684

The order in which the ten biggest firms appear on this list is unchanged from the 2023 IPA Top 100. Combined, the 20 firms above reported revenue of $117,736,275,471. So nearly $118 billion.

The smallest firm in the top 100 is Atlanta’s Smith + Howard with revenue of $53,193,000. The absolute last firm on the list of 500 is Shannon & Associates of Kent, Washington with a respectable $6,063,000 in revenue.

IPA trickles out a bunch more data it’s gathered on participating firms so keep an eye out for that in coming weeks.

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