NAICS Code 54121: Accounting, Tax Preparation, Bookkeeping, and Payroll Services
NAICS industry
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.
Government contracts for this service: PSC R704 Auditing Services
Code facts
- Part of
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-
54
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541
- 5412
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541
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54
- Codes under it
- 4
- Contract awards
- 470 In the last 12 months
- Contract obligations
- $1,866,088,982 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 | $13,203,421 |
| FY2026 | $1,753,485,446 |
| FY2025 | $1,866,088,982 |
| FY2024 | $2,247,982,869 |
| FY2023 | $2,244,182,219 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Kpmg LLP | $371,067,971 | |
| 2 | Ernst & Young LLP | $297,844,136 | |
| 3 | Kearney & Company, P.C. | $191,856,569 | |
| 4 | Guidehouse Inc. | $169,286,165 | |
| 5 | Deloitte & Touche LLP | $156,012,613 | |
| 6 | Sikich CPA LLC | $52,867,763 | |
| 7 | Integrated Finance And Accounting Solutions, Llc. | $44,608,031 | |
| 8 | The CBE Group, Inc. | $43,582,143 | |
| 9 | Myers And Stauffer LC | $33,504,110 | |
| 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 | $330,827,523 | |
| 2 | Department of Health and Human Services | $232,464,727 | |
| 3 | Department of the Army | $201,363,771 | |
| 4 | Air Force | $117,953,131 | |
| 5 | Department of Homeland Security | $109,353,049 | |
| 6 | Defense Logistics Agency | $90,731,256 | |
| 7 | Department of the Treasury | $76,580,027 | |
| 8 | Office of the Secretary of Defense | $75,177,235 | |
| 9 | Department of State | $65,092,179 | |
| 10 | Department of Housing and Urban Development | $64,368,475 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | R704 Auditing Services | $877,317,663 | |
| 2 | R703 Accounting Services (NOTE: New code created for Financial Services See R710 below) | $299,429,886 | |
| 3 | R499 Other Professional Services | $237,817,694 | |
| 4 | R710 Support – Management: Financial | $159,733,668 | |
| 5 |
R408 Program Management/ |
$45,093,099 | |
| 6 | R699 Other Administrative Support Services | $28,359,306 | |
| 7 | R799 Other Management Support Services | $19,786,494 | |
| 8 |
DA01 IT and Telecom – Business Application/ |
$13,917,299 | |
| 9 |
DA10 IT and Telecom – Business Application/ |
$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 | $810,267,007 | |
| 2 | District of Columbia | $470,757,204 | |
| 3 | Maryland | $104,476,381 | |
| 4 | New York | $83,293,310 | |
| 5 | Iowa | $40,164,425 | |
| 6 | South Carolina | $36,000,571 | |
| 7 | Missouri | $27,789,104 | |
| 8 | California | $26,346,224 | |
| 9 | Massachusetts | $24,231,367 | |
| 10 | North Carolina | $20,701,498 | |
| 11 | Illinois | $19,777,467 | |
| 12 | Florida | $15,736,446 | |
| 13 | Georgia | $10,882,054 | |
| 14 | Texas | $7,814,134 | |
| 15 | Louisiana | $7,529,108 | |
| 16 | Indiana | $6,541,220 | |
| 17 | New Jersey | $3,280,815 | |
| 18 | Nebraska | $2,380,422 | |
| 19 | Kentucky | $2,229,417 | |
| 20 | Arizona | $2,043,341 | |
| 21 | New Mexico | $1,861,019 | |
| 22 | Oklahoma | $1,857,858 | |
| 23 | Washington | $1,732,929 | |
| 24 | Tennessee | $1,705,224 | |
| 25 | Alaska | $1,527,138 | |
| 26 | Alabama | $1,342,924 | |
| 27 | Hawaii | $1,277,354 | |
| 28 | Wisconsin | $1,074,374 | |
| 29 | Puerto Rico | $900,000 | |
| 30 | Mississippi | $757,530 | |
| 31 | South Dakota | $742,291 | |
| 32 | Minnesota | $715,500 | |
| 33 | Idaho | $710,569 | |
| 34 | Pennsylvania | $451,000 | |
| 35 | Connecticut | $236,608 | |
| 36 | Kansas | $31,765 | |
| 37 | Oregon | $3,240 | |
| 38 | Ohio | $1,300 | |
| 39 | Arkansas | $700 | |
| 40 | Montana | $700 | |
| 41 | New Hampshire | $200 | |
| 42 | Guam | $39 |
Show all 42
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
Show 40 more
Latest 50 of 2,296 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 |
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 $1,866,088,982 in fiscal year 2025 and $8,124,942,937 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 ($371,067,971); Ernst & Young LLP ($297,844,136); and Kearney & Company, P.C. ($191,856,569).
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 ($330,827,523), Department of Health and Human Services ($232,464,727) and Department of the Army ($201,363,771).
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 ($810,267,007), the District of Columbia ($470,757,204) and Maryland ($104,476,381).
What is the latest contract opportunity under NAICS 54121?
The latest contract opportunity under NAICS 54121 is PACA Special Audits RFQ, solicitation from Air Education and Training Command (USAF), posted November 10, 2026.
On GovTribe
See everything under NAICS 54121
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