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


Professional, Scientific, and Technical Services


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.

Cross References

Establishments providing computer data processing services at their own facility for others are classified in Industry 51821, Data Processing, Hosting, and Related Services.

Illustrative Examples

  • Accountants' offices
  • Payroll processing services
  • Tax return preparation services
  • Bookkeeping services

Industry Leaders