2022 NAICS industry in sector 54 Professional, Scientific, and Technical Services
54121 Accounting, Tax Preparation, Bookkeeping, and Payroll Services
NAICS 54121 is the US industry code for accounting, tax preparation, bookkeeping, and payroll services. It covers 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.
Official 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.
Examples Census gives
- Accountants' offices
- Payroll processing services
- Bookkeeping services
- Tax return preparation services
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Providing data processing services (except payroll processing services and financial transaction processing services) at their own facility for others are classified in Industry 51821, Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services.
- Processing financial transactions (except central bank) are classified in Industry 52232, Financial Transactions Processing, Reserve, and Clearinghouse Activities.
Codes in 54121
Data last changed November 14, 2026. How this page is built.