Top 100 Contractors in NAICS 54121: Accounting, Tax Preparation, Bookkeeping, and Payroll Services, Jul 2025–Jun 2026

Name: Top 100 Contractors in NAICS 54121: Accounting, Tax Preparation, Bookkeeping, and Payroll Services, Jul 2025–Jun 2026
Creator: GovTribe

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe

The top 10 won 74% of NAICS 54121 contract dollars from July 2025 through June 2026

Contract obligations: $1,812,532,826 Net of deobligations, by contracts coded NAICS 54121 or a code under it
Contractors: 193 Parent companies with an obligation
Largest contractor: Kpmg LLP $352 million, 18.1% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Kpmg LLP 2 awardees Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services) Army (Department of the Army)	$352,406,495	18.1%	Rank history: #1 in FY2021, #2 in FY2022, #3 in FY2023, #2 in FY2024 and #2 in FY2025; up 1 since Jul 2024–Jun 2025.
2	Ernst & Young LLP Top agencies USAF (Department of the Air Force) HUD (Department of Housing and Urban Development) Navy (Department of the Navy)	$318,001,796	16.3%	Rank history: #2 in FY2021, #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; down 1 since Jul 2024–Jun 2025.
3	Deloitte 2 awardees, including Deloitte & Touche LLP and Deloitte Consulting LLP Top agencies Navy (Department of the Navy) DISA (Defense Information Systems Agency) WHS (DOD Washington Headquarters Service)	$234,885,778	12.0%	Rank history: #3 in FY2021, #3 in FY2022, #2 in FY2023, #3 in FY2024 and #3 in FY2025; unchanged since Jul 2024–Jun 2025.
4	E.f. Kearney, Limited Through Kearney & Company, P.C. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$216,296,220	11.1%	Rank history: not on the FY2021–FY2023 lists, #4 in FY2024 and #4 in FY2025; unchanged since Jul 2024–Jun 2025.
5	Guidehouse Inc. 3 awardees Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$150,808,664	7.7%	Rank history: #10 in FY2021, #10 in FY2022, #5 in FY2023, #5 in FY2024 and #5 in FY2025; up 11 since Jul 2024–Jun 2025.
6	Integrated Finance and Accounting Solutions, Llc. Top agencies DOS (Department of State) Treasury (Department of the Treasury) DOT (Department of Transportation)	$41,317,597	2.1%	Rank history: not on the FY2021 list, #29 in FY2022, #8 in FY2023, #9 in FY2024 and #6 in FY2025; unchanged since Jul 2024–Jun 2025.
7	The CBE Group, Inc. Top agencies Treasury (Department of the Treasury)	$39,483,053	2.0%	Rank history: #8 in FY2021, #6 in FY2022, #6 in FY2023, #7 in FY2024 and #7 in FY2025; unchanged since Jul 2024–Jun 2025.
8	Research Triangle Institute Top agencies DOL (Department of Labor) ED (Department of Education) HHS (Department of Health and Human Services)	$36,737,931	1.9%	Rank history: #38 in FY2021, #8 in FY2022, #7 in FY2023, #8 in FY2024 and #8 in FY2025; unchanged since Jul 2024–Jun 2025.
9	Hamilton Enterprises, LLC Top agencies DHA (Defense Health Agency) DHS (Department of Homeland Security) Treasury (Department of the Treasury)	$30,708,210	1.6%	Rank history: #11 in FY2021, #13 in FY2022, #12 in FY2023, #14 in FY2024 and #9 in FY2025; up 2 since Jul 2024–Jun 2025.
10	Sikich CPA LLC Top agencies USAF (Department of the Air Force) HUD (Department of Housing and Urban Development) DSCA (Defense Security Cooperation Agency)	$29,933,190	1.5%	Rank history: #19 in FY2021, #19 in FY2022, #20 in FY2023, #15 in FY2024 and #10 in FY2025; down 1 since Jul 2024–Jun 2025.
11	Iberia Advisory LLC Top agencies Navy (Department of the Navy)	$20,319,557	1.0%	Rank history: not on the FY2021–FY2024 lists and #14 in FY2025; up 17 since Jul 2024–Jun 2025.
12	Avantus Federal LLC Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$16,567,848	0.8%	Rank history: #5 in FY2021, #5 in FY2022, #9 in FY2023, #46 in FY2024 and #21 in FY2025; up 12 since Jul 2024–Jun 2025.
13	Myers and Stauffer LC Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$14,800,596	0.8%	Rank history: #7 in FY2021, #20 in FY2022, #19 in FY2023, #61 in FY2024 and #13 in FY2025; up 16 since Jul 2024–Jun 2025.
14	FM Talent Source LLC Top agencies HHS (Department of Health and Human Services)	$14,685,128	0.8%	Rank history: #40 in FY2021, #48 in FY2022, #21 in FY2023, #19 in FY2024 and #16 in FY2025; up 3 since Jul 2024–Jun 2025.
15	Castro & Company, LLC Top agencies DCMA (Defense Contract Management Agency) DCAA (Defense Contract Audit Agency) PBGC (Pension Benefit Guaranty Corporation)	$13,544,211	0.7%	Rank history: #26 in FY2021, #25 in FY2022, #16 in FY2023, #16 in FY2024 and #15 in FY2025; down 1 since Jul 2024–Jun 2025.
16	American Institutes for Research In the Behavioral Sciences Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) DOT (Department of Transportation)	$12,480,322	0.6%	Rank history: not on the FY2021 list, #76 in FY2022, #50 in FY2023, #13 in FY2024 and #17 in FY2025; down 3 since Jul 2024–Jun 2025.
17	Great Hill Solutions, LLC Top agencies DHA (Defense Health Agency)	$11,231,704	0.6%	Rank history: not on the FY2021–FY2022 lists, #26 in FY2023, #25 in FY2024 and #20 in FY2025; up 4 since Jul 2024–Jun 2025.
18	Conrad LLP Top agencies HHS (Department of Health and Human Services)	$11,026,246	0.6%	Rank history: #18 in FY2021, #15 in FY2022, #11 in FY2023, #12 in FY2024 and #11 in FY2025; down 8 since Jul 2024–Jun 2025.
19	State Street Corporation Top agencies PBGC (Pension Benefit Guaranty Corporation)	$10,465,980	0.5%	Rank history: #22 in FY2021, #17 in FY2022, #27 in FY2023, #26 in FY2024 and #22 in FY2025; up 4 since Jul 2024–Jun 2025.
20	CACI International Inc. Through Caci, Inc. - Federal Top agencies OSD (Office of the Secretary of Defense)	$9,730,489	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
21	Williams, Adley & Company DC LLP Top agencies HUD (Department of Housing and Urban Development) USAID (US Agency for International Development) DFAS (Defense Finance and Accounting Service)	$9,722,177	0.5%	Rank history: #15 in FY2021, #23 in FY2022, #17 in FY2023, #11 in FY2024 and #12 in FY2025; down 9 since Jul 2024–Jun 2025.
22	Gentech Associates Inc. Top agencies VA (Department of Veterans Affairs) WHS (DOD Washington Headquarters Service) DHRA (Defense Human Resources Activity)	$9,095,540	0.5%	Rank history: not on the FY2021 list, #32 in FY2022, #39 in FY2023, #38 in FY2024 and #33 in FY2025; up 14 since Jul 2024–Jun 2025.
23	Lynch Consultants, LLC Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$8,730,695	0.4%	Rank history: #14 in FY2021, #16 in FY2022, #18 in FY2023, #20 in FY2024 and #26 in FY2025; up 3 since Jul 2024–Jun 2025.
24	Lyceum Business Services, LLC Top agencies HHS (Department of Health and Human Services)	$8,450,555	0.4%	Rank history: #35 in FY2021, #70 in FY2022, not on the FY2023–FY2024 lists and #23 in FY2025; up 3 since Jul 2024–Jun 2025.
25	Integrated Management Strategies LLC Top agencies DHA (Defense Health Agency)	$7,959,151	0.4%	Rank history: not on the FY2021 list, #57 in FY2022, #36 in FY2023, #52 in FY2024 and #35 in FY2025; up 14 since Jul 2024–Jun 2025.
26	Federal Miracle TECH LLC Top agencies DHS (Department of Homeland Security) GSA (General Services Administration)	$7,712,233	0.4%	Rank history: not on the FY2021–FY2023 lists, #37 in FY2024 and #27 in FY2025; up 5 since Jul 2024–Jun 2025.
27	Saint George Consulting Inc. Top agencies VA (Department of Veterans Affairs) Treasury (Department of the Treasury)	$7,578,602	0.4%	Rank history: #32 in FY2021, #44 in FY2022, #33 in FY2023, #34 in FY2024 and #29 in FY2025; up 8 since Jul 2024–Jun 2025.
28	AOC Solutions, Inc. Top agencies DLA (Defense Logistics Agency) Commerce (Department of Commerce)	$7,341,728	0.4%	Rank history: not on the FY2021–FY2022 lists, #42 in FY2023, #27 in FY2024 and #19 in FY2025; down 10 since Jul 2024–Jun 2025.
29	Vintun LLC Top agencies Army (Department of the Army)	$6,588,788	0.3%	Rank history: #43 in FY2021, not on the FY2022 list, #48 in FY2023, #10 in FY2024 and #25 in FY2025; up 18 since Jul 2024–Jun 2025.
30	Cotiviti GOV Services, LLC Top agencies HHS (Department of Health and Human Services)	$6,519,925	0.3%	Rank history: not on the FY2021 list, #79 in FY2022, not on the FY2023 list, #31 in FY2024 and #69 in FY2025; up 44 since Jul 2024–Jun 2025.
31	Trusted Enterprise Advisors LLC Top agencies Navy (Department of the Navy)	$5,870,624	0.3%	Rank history: not on the FY2021–FY2025 lists; up 189 since Jul 2024–Jun 2025.
32	Tribility LLC Top agencies VA (Department of Veterans Affairs)	$5,850,346	0.3%	Rank history: not on the FY2021–FY2023 lists, #30 in FY2024 and #28 in FY2025; up 1 since Jul 2024–Jun 2025.
33	Cohnreznick LLP Top agencies DOE (Department of Energy) DHS (Department of Homeland Security)	$5,792,912	0.3%	Rank history: #33 in FY2021, #18 in FY2022, #15 in FY2023, #21 in FY2024 and #36 in FY2025; down 11 since Jul 2024–Jun 2025.
34	Reed & Associates, Cpas, Inc. Top agencies HHS (Department of Health and Human Services) NASA (National Aeronautics and Space Administration) DOI (Department of the Interior)	$5,206,015	0.3%	Rank history: #37 in FY2021, #34 in FY2022, #47 in FY2023, #44 in FY2024 and #37 in FY2025; up 56 since Jul 2024–Jun 2025.
35	Tuba Group, Inc. Top agencies DOT (Department of Transportation) Army (Department of the Army) DOJ (Department of Justice)	$5,118,097	0.3%	Rank history: #63 in FY2021, #72 in FY2022, not on the FY2023 list, #78 in FY2024 and #46 in FY2025; up 35 since Jul 2024–Jun 2025.
36	Horus Technology Solutions Inc. Top agencies HHS (Department of Health and Human Services)	$4,659,913	0.2%	Rank history: not on the FY2021–FY2023 lists, #36 in FY2024 and #67 in FY2025; up 1 since Jul 2024–Jun 2025.
37	Chugach Dynamic Solutions LLC Top agencies USAID (US Agency for International Development)	$4,640,318	0.2%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2023, #57 in FY2024 and #34 in FY2025; up 42 since Jul 2024–Jun 2025.
38	ST. Michael's Inc. Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force)	$4,535,465	0.2%	Rank history: #99 in FY2021, not on the FY2022 list, #40 in FY2023, #79 in FY2024 and #39 in FY2025; unchanged since Jul 2024–Jun 2025.
39	Crisis1, LLC Top agencies DHS (Department of Homeland Security)	$4,309,036	0.2%	Rank history: #86 in FY2021, #85 in FY2022, #76 in FY2023, #74 in FY2024 and #64 in FY2025; up 18 since Jul 2024–Jun 2025.
40	Westat, Inc. Top agencies DOT (Department of Transportation)	$4,215,401	0.2%	Rank history: #20 in FY2021, #27 in FY2022, #35 in FY2023, #17 in FY2024 and #31 in FY2025; down 20 since Jul 2024–Jun 2025.
41	Holmes & Company, L.L.C. Top agencies DOT (Department of Transportation) USDA (Department of Agriculture)	$4,043,997	0.2%	Rank history: not on the FY2021–FY2024 lists and #63 in FY2025; up 111 since Jul 2024–Jun 2025.
42	Morgan Business Consulting, LLC Top agencies Navy (Department of the Navy)	$3,942,492	0.2%	Rank history: not on the FY2021–FY2024 lists and #43 in FY2025; unchanged since Jul 2024–Jun 2025.
43	BAE Systems Through BAE Systems Technology Solutions & Services Inc. Top agencies PBGC (Pension Benefit Guaranty Corporation)	$3,522,946	0.2%	Rank history: not on the FY2021–FY2024 lists and #42 in FY2025; down 2 since Jul 2024–Jun 2025.
44	Bland & Associates PC Top agencies HHS (Department of Health and Human Services)	$3,516,801	0.2%	Rank history: #31 in FY2021, #41 in FY2022, #59 in FY2023, #86 in FY2024 and #49 in FY2025; new, not ranked in Jul 2024–Jun 2025.
45	Federal Management Systems, Inc. Top agencies Treasury (Department of the Treasury)	$3,096,772	0.2%	Rank history: #23 in FY2021, #33 in FY2022, #45 in FY2023, #39 in FY2024 and #38 in FY2025; down 15 since Jul 2024–Jun 2025.
46	Redwood Strategy Group Inc. Top agencies DCAA (Defense Contract Audit Agency) DHRA (Defense Human Resources Activity) OSD (Office of the Secretary of Defense)	$3,078,399	0.2%	Rank history: not on the FY2021–FY2023 lists, #58 in FY2024 and #44 in FY2025; up 7 since Jul 2024–Jun 2025.
47	Semanticbits LLC Through ICF Incorporated, L.L.C. Top agencies HHS (Department of Health and Human Services)	$3,020,329	0.2%	Rank history: not on the FY2021–FY2023 lists, #32 in FY2024 and #32 in FY2025; down 22 since Jul 2024–Jun 2025.
48	Chickasaw Strategic Pointe, LLC Top agencies USDA (Department of Agriculture)	$2,903,416	0.1%	Rank history: not on the FY2021 list, #42 in FY2022, #52 in FY2023, #43 in FY2024 and #40 in FY2025; down 3 since Jul 2024–Jun 2025.
49	Savalan LLC Top agencies HUD (Department of Housing and Urban Development) DOT (Department of Transportation) SBA (Small Business Administration)	$2,892,187	0.1%	Rank history: not on the FY2021–FY2023 lists, #68 in FY2024 and #41 in FY2025; up 18 since Jul 2024–Jun 2025.
50	Blake Willson Group LLC Top agencies NSF (National Science Foundation) HHS (Department of Health and Human Services)	$2,828,852	0.1%	Rank history: not on the FY2021 list, #84 in FY2022, #87 in FY2023, #59 in FY2024 and #52 in FY2025; down 2 since Jul 2024–Jun 2025.
51	Five Stones Intelligence Inc. Top agencies Treasury (Department of the Treasury)	$2,695,375	0.1%	Rank history: not on the FY2021–FY2023 lists, #22 in FY2024 and #18 in FY2025; down 32 since Jul 2024–Jun 2025.
52	RP Solutions LLC Top agencies DOT (Department of Transportation)	$2,289,164	0.1%	Rank history: not on the FY2021–FY2023 lists, #83 in FY2024 and #55 in FY2025; up 2 since Jul 2024–Jun 2025.
53	Davis Farr LLP Top agencies HHS (Department of Health and Human Services) DCAA (Defense Contract Audit Agency) DOJ (Department of Justice)	$2,207,179	0.1%	Rank history: #51 in FY2021, #39 in FY2022, #43 in FY2023, #45 in FY2024 and #54 in FY2025; up 46 since Jul 2024–Jun 2025.
54	FMR Consulting Inc. Top agencies ED (Department of Education)	$2,205,294	0.1%	Rank history: #60 in FY2021, #59 in FY2022, not on the FY2023–FY2024 lists and #56 in FY2025; up 8 since Jul 2024–Jun 2025.
55	David-James LLC Top agencies HHS (Department of Health and Human Services)	$2,126,790	0.1%	Rank history: #24 in FY2021, #24 in FY2022, #25 in FY2023, #24 in FY2024 and #47 in FY2025; up 55 since Jul 2024–Jun 2025.
56	ITC Federal, LLC Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$2,099,773	0.1%	Rank history: #66 in FY2021, #45 in FY2022, #53 in FY2023, #60 in FY2024 and #53 in FY2025; up 10 since Jul 2024–Jun 2025.
57	Harper Rains Knight & Co Pa Top agencies Commerce (Department of Commerce) SSA (Social Security Administration) DOL (Department of Labor)	$2,096,228	0.1%	Rank history: #64 in FY2021, #61 in FY2022, #61 in FY2023, #54 in FY2024 and #51 in FY2025; down 5 since Jul 2024–Jun 2025.
58	Verato, Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) Treasury (Department of the Treasury)	$2,020,672	0.1%	Rank history: #9 in FY2021, #14 in FY2022, #13 in FY2023, #40 in FY2024 and #48 in FY2025; down 12 since Jul 2024–Jun 2025.
59	Teya Support Services LLC Top agencies DOJ (Department of Justice)	$1,970,933	0.1%	Rank history: not on the FY2021–FY2024 lists and #60 in FY2025; up 18 since Jul 2024–Jun 2025.
60	Summit Fire Protection Co. Through Blackrock Institutional Trust Company National Association Top agencies PBGC (Pension Benefit Guaranty Corporation)	$1,955,100	0.1%	Rank history: not on the FY2021–FY2024 lists and #83 in FY2025; up 31 since Jul 2024–Jun 2025.
61	The Joachim Group, Cpa's & Consultants, LLC Top agencies DHRA (Defense Human Resources Activity) HUD (Department of Housing and Urban Development)	$1,860,685	0.1%	Rank history: not on the FY2021–FY2023 lists, #77 in FY2024 and #65 in FY2025; up 3 since Jul 2024–Jun 2025.
62	Michael Shannon Consulting LLC Top agencies Navy (Department of the Navy)	$1,787,435	0.1%	Rank history: not on the FY2021–FY2023 lists, #67 in FY2024 and #73 in FY2025; down 1 since Jul 2024–Jun 2025.
63	Muscogee Asset Protection, LLC Top agencies DHA (Defense Health Agency)	$1,772,330	0.1%	Rank history: not on the FY2021–FY2024 lists and #45 in FY2025; down 19 since Jul 2024–Jun 2025.
64	Fedsync BEI LLC Top agencies HHS (Department of Health and Human Services)	$1,756,559	0.1%	Rank history: not on the FY2021–FY2023 lists, #63 in FY2024 and #58 in FY2025; down 8 since Jul 2024–Jun 2025.
65	Allmond & Co, LLC Top agencies HHS (Department of Health and Human Services) EAC (US Election Assistance Commission) DOT (Department of Transportation)	$1,719,131	0.1%	Rank history: #67 in FY2021, #58 in FY2022, #69 in FY2023, #47 in FY2024 and #76 in FY2025; down 22 since Jul 2024–Jun 2025.
66	Omni Consulting Solutions LLC Top agencies USAF (Department of the Air Force)	$1,655,312	0.1%	Rank history: not on the FY2021–FY2024 lists and #79 in FY2025; new, not ranked in Jul 2024–Jun 2025.
67	Quattro Consulting LLC Top agencies Navy (Department of the Navy)	$1,620,421	0.1%	Rank history: not on the FY2021–FY2025 lists; up 158 since Jul 2024–Jun 2025.
68	Douglas, Sheets, and Stremcha, Cpas, LLC Top agencies HHS (Department of Health and Human Services)	$1,599,448	0.1%	Rank history: #79 in FY2021, #77 in FY2022, not on the FY2023 list, #55 in FY2024 and #68 in FY2025; up 1 since Jul 2024–Jun 2025.
69	Dt-Trak Consulting, Inc. Top agencies HHS (Department of Health and Human Services)	$1,592,768	0.1%	Rank history: #98 in FY2021, #88 in FY2022, not on the FY2023 list, #96 in FY2024 and not on the FY2025 list; up 51 since Jul 2024–Jun 2025.
70	Withumsmith+Brown, PC Top agencies Treasury (Department of the Treasury)	$1,302,214	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
71	Calco Enterprises, LLC Top agencies DOL (Department of Labor)	$1,278,730	0.1%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023, #69 in FY2024 and not on the FY2025 list; up 1 since Jul 2024–Jun 2025.
72	Goldbelt Integrated Logistics Services, LLC Top agencies DHS (Department of Homeland Security)	$1,266,860	0.1%	Rank history: not on the FY2021–FY2024 lists and #74 in FY2025; up 10 since Jul 2024–Jun 2025.
73	Viridis Point, LLC Top agencies HHS (Department of Health and Human Services)	$1,210,445	0.1%	Rank history: not on the FY2021–FY2024 lists and #75 in FY2025; new, not ranked in Jul 2024–Jun 2025.
74	Csci-Gentech II LLC Top agencies DMEA (Defense Microelectronics Activity)	$1,185,360	0.1%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2023, #90 in FY2024 and #77 in FY2025; up 10 since Jul 2024–Jun 2025.
75	Tichenor & Associates, LLP Top agencies DCAA (Defense Contract Audit Agency) NASA (National Aeronautics and Space Administration) DOJ (Department of Justice)	$1,177,038	0.1%	Rank history: #57 in FY2021, not on the FY2022 list, #85 in FY2023, #53 in FY2024 and #71 in FY2025; down 35 since Jul 2024–Jun 2025.
76	Tpgi CPA PLLC Top agencies HHS (Department of Health and Human Services)	$1,076,685	0.1%	Rank history: not on the FY2021–FY2025 lists; up 79 since Jul 2024–Jun 2025.
77	Redhawk Administrative Services LLC Top agencies Navy (Department of the Navy)	$1,074,374	0.1%	Rank history: not on the FY2021–FY2025 lists; up 32 since Jul 2024–Jun 2025.
78	Accenture Federal Services LLC Top agencies Army (Department of the Army)	$1,073,624	0.1%	Rank history: not on the FY2021–FY2023 lists, #80 in FY2024 and #61 in FY2025; down 19 since Jul 2024–Jun 2025.
79	Tinker Salome Chris Enterprise, LLC Top agencies DOJ (Department of Justice) NSF (National Science Foundation) Army (Department of the Army)	$1,069,313	0.1%	Rank history: not on the FY2021–FY2024 lists and #89 in FY2025; up 26 since Jul 2024–Jun 2025.
80	Premier Group Services Inc. Top agencies EPA (Environmental Protection Agency) DOJ (Department of Justice) HHS (Department of Health and Human Services)	$1,006,447	0.1%	Rank history: #72 in FY2021, #55 in FY2022, #74 in FY2023, #41 in FY2024 and not on the FY2025 list; down 17 since Jul 2024–Jun 2025.
81	Computer Evidence Specialists, LLC Top agencies DHS (Department of Homeland Security) Army (Department of the Army) GSA (General Services Administration)	$1,005,565	0.1%	Rank history: not on the FY2021–FY2023 lists, #73 in FY2024 and #78 in FY2025; down 13 since Jul 2024–Jun 2025.
82	Immersion Consulting LLC Top agencies DHS (Department of Homeland Security)	$969,876	<0.1%	Rank history: #94 in FY2021, not on the FY2022 list, #66 in FY2023, #91 in FY2024 and #72 in FY2025; down 2 since Jul 2024–Jun 2025.
83	Futrend Technology Inc. Top agencies HHS (Department of Health and Human Services)	$968,630	<0.1%	Rank history: #59 in FY2021, #62 in FY2022, #55 in FY2023, #76 in FY2024 and #62 in FY2025; down 32 since Jul 2024–Jun 2025.
84	Saggar & Rosenberg, P.C. Top agencies CNCS (Corporation for National and Community Service) Treasury (Department of the Treasury)	$961,953	<0.1%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2023, not on the FY2024 list and #66 in FY2025; down 6 since Jul 2024–Jun 2025.
85	Chickasaw Business Solutions, LLC Top agencies DOE (Department of Energy)	$946,887	<0.1%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; down 12 since Jul 2024–Jun 2025.
86	County of Monroe Top agencies EOP (Executive Office of the President)	$929,743	<0.1%	Rank history: not on the FY2021–FY2023 lists, #100 in FY2024 and #85 in FY2025; up 6 since Jul 2024–Jun 2025.
87	Personal Group Incorporated Top agencies HHS (Department of Health and Human Services)	$926,976	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 21 since Jul 2024–Jun 2025.
88	Sehlke Consulting LLC Top agencies Navy (Department of the Navy)	$916,119	<0.1%	Rank history: not on the FY2021–FY2024 lists and #24 in FY2025; new, not ranked in Jul 2024–Jun 2025.
89	RMA Associates LLC Top agencies DODIG (Department of Defense Inspector General) CFTC (Commodity Futures Trading Commission)	$903,441	<0.1%	Rank history: not on the FY2021–FY2024 lists and #80 in FY2025; up 4 since Jul 2024–Jun 2025.
90	RM Advisory Services, LLC Top agencies Commerce (Department of Commerce) DOS (Department of State)	$900,866	<0.1%	Rank history: not on the FY2021–FY2024 lists and #99 in FY2025; up 34 since Jul 2024–Jun 2025.
91	TFC Consulting Inc. Top agencies DSCA (Defense Security Cooperation Agency) DOT (Department of Transportation) Commerce (Department of Commerce)	$881,231	<0.1%	Rank history: not on the FY2021–FY2023 lists, #81 in FY2024 and #57 in FY2025; down 26 since Jul 2024–Jun 2025.
92	Ascella Technologies Inc. Top agencies SEC (Securities and Exchange Commission)	$777,296	<0.1%	Rank history: not on the FY2021 list, #74 in FY2022, #80 in FY2023, #94 in FY2024 and #92 in FY2025; down 6 since Jul 2024–Jun 2025.
93	Escience & Technology Solutions, Inc. Top agencies DOS (Department of State)	$776,457	<0.1%	Rank history: not on the FY2021–FY2024 lists and #96 in FY2025; up 3 since Jul 2024–Jun 2025.
94	The Kennedy Collective, Inc. Top agencies HUD (Department of Housing and Urban Development)	$774,387	<0.1%	Rank history: not on the FY2021–FY2024 lists and #90 in FY2025; new, not ranked in Jul 2024–Jun 2025.
95	ATA Services, Inc. Top agencies DOI (Department of the Interior)	$710,569	<0.1%	Rank history: not on the FY2021–FY2024 lists and #91 in FY2025; unchanged since Jul 2024–Jun 2025.
96	Eaccounting LLC Top agencies OSD (Office of the Secretary of Defense)	$692,690	<0.1%	Rank history: not on the FY2021–FY2024 lists and #81 in FY2025; up 8 since Jul 2024–Jun 2025.
97	Infopact, Inc. Top agencies HHS (Department of Health and Human Services)	$678,586	<0.1%	Rank history: not on the FY2021–FY2024 lists and #95 in FY2025; up 3 since Jul 2024–Jun 2025.
98	Today's Solutions, LLC Top agencies DHA (Defense Health Agency)	$668,191	<0.1%	Rank history: not on the FY2021 list, #91 in FY2022 and not on the FY2023–FY2025 lists; up 16 since Jul 2024–Jun 2025.
99	J29, Inc. Top agencies HHS (Department of Health and Human Services) DOL (Department of Labor)	$659,152	<0.1%	Rank history: not on the FY2021–FY2024 lists and #100 in FY2025; up 7 since Jul 2024–Jun 2025.
100	Looper Consulting LLC Top agencies Commerce (Department of Commerce)	$649,720	<0.1%	Rank history: not on the FY2021–FY2024 lists and #97 in FY2025; new, not ranked in Jul 2024–Jun 2025.

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100 of 193 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 54121

Code	Net obligations	Largest contractor
541211 Offices of Certified Public Accountants	$921,741,098	Ernst & Young LLP
541219 Other Accounting Services	$870,546,022	Deloitte

How this ranking works

Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $1.95 billion obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Jul 2024–Jun 2025. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 54121 contractors in Jul 2025–Jun 2026?

1. Kpmg LLP ($352M), 2. Ernst & Young LLP ($318M), 3. Deloitte ($235M), 4. E.f. Kearney, Limited ($216M), 5. Guidehouse Inc. ($151M), 6. Integrated Finance and Accounting Solutions, Llc. ($41.3M), 7. The CBE Group, Inc. ($39.5M), 8. Research Triangle Institute ($36.7M), 9. Hamilton Enterprises, LLC ($30.7M), 10. Sikich CPA LLC ($29.9M).

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