NAICS 54121: Accounting, Tax Preparation, Bookkeeping, and Payroll Services

NAICS industry

Code facts

Codes under it
4
Contract awards
453 In the last 12 months
Contract obligations
$1,865,767,335 In FY2025

NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $10,195,716
FY2026 $1,615,498,124
FY2025 $1,865,767,335
FY2024 $2,247,982,869
FY2023 $2,244,050,726

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Kpmg LLP $338,399,426
2 Ernst & Young LLP $295,042,661
3 Kearney & Company, P.C. $166,730,623
4 Guidehouse Inc. $141,577,554
5 Deloitte & Touche LLP $110,989,791
6 Sikich CPA LLC $52,963,494
7 Integrated Finance And Accounting Solutions, Llc. $44,608,031
8 The CBE Group, Inc. $42,423,196
9 Myers And Stauffer LC $33,205,250
10 Hamilton Enterprises, LLC $29,737,012

See the full FY2025 ranking of NAICS 54121 contractors, by parent company.

Top funding agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of the Navy Department of Defense $299,576,412
2 Department of Health and Human Services $231,665,580
3 Department of the Army Department of Defense $164,425,323
4 Air Force Department of Defense $117,593,413
5 Department of Homeland Security $108,283,030
6 Department of the Treasury $75,495,729
7 Department of Housing and Urban Development $65,552,164
8 Department of State $65,094,349
9 Defense Logistics Agency Department of Defense $63,356,790
10 Department of Justice $43,646,879
Rank PSC code Obligated, FY2026–FY2027 Share
1 R704 Auditing Services $772,390,843
2 R703 Accounting Services (NOTE: New code created for Financial Services See R710 below) $274,678,892
3 R499 Other Professional Services $232,629,574
4 R710 Support – Management: Financial $155,919,328
5 R408 Program Management/Support Services $43,929,653
6 R699 Other Administrative Support Services $28,359,306
7 R799 Other Management Support Services $19,720,494
8 DA01 IT and Telecom – Business Application/Application Development Support Services (Labor) $13,917,299
9 DA10 IT and Telecom – Business Application/Application Development Software as a Service $11,779,854
10 AB11 Community and Regional Development R&D Services; Community Development; Basic Research $11,281,452

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Virginia $700,959,375
2 District of Columbia $454,904,257
3 Maryland $99,263,811
4 New York $83,726,167
5 Iowa $42,423,196
6 South Carolina $35,999,871
7 Missouri $27,789,104
8 California $26,373,629
9 Massachusetts $24,262,763
10 North Carolina $20,701,498
11 Illinois $19,856,847
12 Florida $15,735,946
13 Georgia $10,657,054
14 Texas $7,813,134
15 Louisiana $7,529,108
16 Indiana $6,541,220
17 New Jersey $3,280,115
18 Nebraska $2,380,422
19 Kentucky $2,229,417
20 Arizona $2,094,125
21 Oklahoma $2,051,442
22 New Mexico $1,861,019
23 Washington $1,731,729
24 Alaska $1,472,655
25 Alabama $1,342,924
26 Wisconsin $1,074,374
27 Puerto Rico $900,000
28 Tennessee $878,000
29 Mississippi $756,130
30 South Dakota $742,091
31 Minnesota $715,000
32 Idaho $710,569
33 Pennsylvania $450,516
34 Connecticut $236,608
35 Hawaii $148,620
36 Utah $87,640
37 Kansas $31,765
38 Oregon $3,240
39 Ohio $1,300
40 New Hampshire $200
Show all 40

Shares are of everything obligated under NAICS 54121 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Contract opportunities

Notice Posted Due
W-2 and 1099 Printing and Mailing Distribution Support Solicitation · Administrative Office of the U.S. Courts
Request for Information -Public Accountant Contract Audit Pre-Solicitation · Air Education and Training Command (USAF)
Medical Coding & Auditing Award Notice · Veterans Integrated Service Network 22 (VHA) —
Financial and FISMA Audits Pre-Solicitation · Justice Management Division (OBD)
Financial Management Data Transformation, Data Analytics and Data Engineering Services Limited / Sole Source Justification · Naval Supply Systems Command (Navy) —
NAFI Audit Award Notice · Coast Guard · 70Z03926QCGA00037 —
Financial Review, Southwestern Indian Polytechnic Solicitation · Bureau of Indian Education (BIA)
Multiple Award Schedule Award Notice · Federal Acquisition Service · 47QSMD20R0001
Professional Accounting Services Support for USCG FSC Limited / Sole Source Justification · Coast Guard —
HQMC Financial and Administrative Support Services Pre-Solicitation · Marine Corps (Navy)
Multiple Award Schedule Award Notice · Federal Acquisition Service · 47QSMD20R0001
RFI #2 Veteran Affairs Code Sets Requirement Pre-Solicitation · Headquarters
NAFI Audit Solicitation · Coast Guard · 70Z03926QCGA00037
Administrative and technical support Award Notice · Idaho Region (BLM) · 140L2626Q0050 —
INDONESIA -Recruitment of Resident Financial Advisor Special Notice · Millennium Challenge Corporation
Multiple Award Schedule Award Notice · Federal Acquisition Service · 47QSMD20R0001
Financial Management, Accounting and Audit Support Limited / Sole Source Justification · Office of Procurement Operations —
Litigation Support Services Limited / Sole Source Justification · Headquarters —
Nafi audit services Solicitation · Coast Guard
Hungarian Payroll and Social Security Tax Administration Services Pre-Solicitation · Department of State
Data Migration Support Limited / Sole Source Justification · Naval Supply Systems Command (Navy) —
Solicitation number 391557 “pre-award accounting system audit” Pre-Solicitation
Independent Financial Audit of FEMA’s Public Assistance Program - Hurricane Katrina Pre-Solicitation · Federal Emergency Management Agency
RFQ Southeastern Power Federal Financial Audit FY26 Solicitation · Department of Energy
Multiple Award Schedule Award Notice · Federal Acquisition Service · 47QSMD20R0001
Solicitation number 391471 “cost price audit support” Pre-Solicitation
Q601--Medical Coding Auditing Award Notice · Veterans Integrated Service Network 22 (VHA) —
Justification for Payment Management Support Services Bridge Order Limited / Sole Source Justification · Administrative Office of the U.S. Courts —
N4 ERP+ Support Limited / Sole Source Justification · Naval Supply Systems Command (Navy) —
Administrative and technical support Solicitation · Idaho Region (BLM) · 140L2626Q0050
FIP IV task order USMC lcms audit remediation Limited / Sole Source Justification · Naval Supply Systems Command (Navy) —
Multiple Award Schedule Award Notice · Federal Acquisition Service · 47QSMD20R0001
Request for Information - Financial Statement Audit (FSA) and Federal Information Security Modernization Act (FISMA) Evaluation Pre-Solicitation · National Geospatial Intelligence Agency
ERP+ Operating Model Limited / Sole Source Justification · Naval Supply Systems Command (Navy) —
R799 - ERP Sustainment Limited / Sole Source Justification · Naval Supply Systems Command (Navy) —
Multiple Award Schedule Award Notice · Federal Acquisition Service · 47QSMD20R0001
Limited Sources Justification for Financial Management Support Services for Enterprise Financial Systems (EFS) and Office of Financial Management (OFM) Limited / Sole Source Justification · Office of Procurement Operations —
Multiple Award Schedule Award Notice · Federal Acquisition Service · 47QSMD20R0001
DHS Analysis Tool Licenses & Support Services Limited / Sole Source Justification · Citizen and Immigration Services —
705 CTS Comprehensive Cost and Requirements (CCaR) System Support Pre-Solicitation · Air Combat Command (USAF)
Remote Medical Coding Services for Zuni Comprehensive Community Health Center Award Notice · Indian Health Service —
Budget & Finance Support Services Award Notice · Defense Threat Reduction Agency —
FMCS Travel Compliance Review and Advisory Support Services Solicitation · Federal Mediation and Conciliation Service
USCG Base Charleston Trash Account Management/Payment Processing Solicitation · Coast Guard
Market survey for enterprise financial services (EFS) II: amendment 0003 Pre-Solicitation · Headquarters (FAA)
Request for audit services for Accountable Entity (AE) and foreign organizations without access to Independent Public Accounting Firms Pre-Solicitation · Millennium Challenge Corporation
Department of the Navy Enterprise Budget Formulation Solution Request for Information (RFI) Pre-Solicitation · Naval Supply Systems Command (Navy)
NATO Business Opportunity: Financial Accountant / IPSAS SME Special Notice · Bureau of Industry and Security
Financial Management and Accounting Operations Pre-Solicitation · Customs and Border Protection
Audit Services Pre-Solicitation · Air Education and Training Command (USAF)
Show 40 more

Latest 50 of 2,290 listed here. See the rest on GovTribe.

Codes under 54121

NAICS code Size standard
541211 Offices of Certified Public Accountants $26.5 million in average annual receipts
541213 Tax Preparation Services $25 million in average annual receipts
541214 Payroll Services $39 million in average annual receipts
541219 Other Accounting Services $25 million in average annual receipts

Definition

This industry comprises establishments primarily engaged in providing services, such as auditing of accounting records, designing accounting systems, preparing financial statements, developing budgets, preparing tax returns, processing payrolls, bookkeeping, and billing.

Quick answers

What is NAICS 54121?

NAICS 54121 is Accounting, Tax Preparation, Bookkeeping, and Payroll Services, a NAICS industry in NAICS 54, Professional, Scientific, and Technical Services.

What codes are under NAICS 54121?

NAICS 54121 has 4 codes under it with their own GovTribe pages, including 541211 Offices of Certified Public Accountants, 541213 Tax Preparation Services and 541214 Payroll Services.

How much do federal agencies spend under NAICS 54121?

Federal contracts under NAICS 54121 obligated $1,865,767,335 in fiscal year 2025 and $7,983,494,769 in fiscal years 2023 through 2027.

Who are the largest contractors under NAICS 54121?

The contractors with the most obligated under NAICS 54121 in fiscal years 2026 and 2027 are Kpmg LLP ($338,399,426); Ernst & Young LLP ($295,042,661); and Kearney & Company, P.C. ($166,730,623).

Which agencies buy the most under NAICS 54121?

The agencies that obligated the most under NAICS 54121 in fiscal years 2026 and 2027 are Department of the Navy ($299,576,412), Department of Health and Human Services ($231,665,580) and Department of the Army ($164,425,323).

Which PSC codes are used with NAICS 54121?

The PSC codes with the most obligated under NAICS 54121 in fiscal years 2026 and 2027 are R704 Auditing Services, R703 Accounting Services (NOTE: New code created for Financial Services See R710 below) and R499 Other Professional Services.

Where is the work under NAICS 54121 performed?

By place of performance, the states with the most contract obligations under NAICS 54121 over the last 12 months are Virginia ($700,959,375), the District of Columbia ($454,904,257) and Maryland ($99,263,811).

What is the latest contract opportunity under NAICS 54121?

The latest contract opportunity under NAICS 54121 is W-2 and 1099 Printing and Mailing Distribution Support, solicitation from Administrative Office of the U.S. Courts, posted October 22, 2026.

On GovTribe

See everything under NAICS 54121

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