SIC 8721 — Accounting, Auditing, and Bookkeeping Services
Description & Classification
SIC code 8721 representing 'Accounting, Auditing, and Bookkeeping Services' is an industry category in the Standard Industrial Classification (SIC) system under U.S. OSHA and Federal procurement registers.
Modern NAICS Crosswalk
Trace the modern equivalent classifications in the 2022 North American Industry Classification System (NAICS) database:
- NAICS 541214 - Payroll Services (via SIC1987:8721→NAICS1997:541214→2002:541214→2007:541214→2012:541214→2017:541214→2022:541214)
- NAICS 541211 - Offices of Certified Public Accountants (via SIC1987:8721→NAICS1997:541211→2002:541211→2007:541211→2012:541211→2017:541211→2022:541211)
- NAICS 541219 - Other Accounting Services (via SIC1987:8721→NAICS1997:541219→2002:541219→2007:541219→2012:541219→2017:541219→2022:541219)
Classification Details
| SIC Code | 8721 |
|---|---|
| Industry Title | Accounting, Auditing, and Bookkeeping Services |
| Division | Division I: Services |
| Major Group | Major Group 87: Engineering, Accounting, Research, Management, and Related Services |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 8721:
- SIC Codes Complete Compliance Guide — Detailed history and active legal applications of the SIC classification framework.
- Why Legacy SIC Codes Persist Guide — How credit systems and the SEC still rely on SIC metadata.
- SIC ↔ NAICS Crosswalk Tool — Trace industrial code conversions dynamically.
- SIC Major Group 87 Hub — View other legacy industries in this business division.
Related Industries in Major Group 87
Frequently Asked Questions (FAQ)
What industry does SIC code 8721 represent?
SIC 8721 is 'Accounting, Auditing, and Bookkeeping Services', a 4-digit Standard Industrial Classification (SIC) code under Major Group 87: Engineering, Accounting, Research, Management, and Related Services (Division I: Services); it maps to modern 2022 NAICS code(s): 541214 (Payroll Services), 541211 (Offices of Certified Public Accountants).
What is the modern 2022 NAICS mapping for SIC 8721?
SIC code 8721 maps to modern NAICS codes: 541214 - Payroll Services, 541211 - Offices of Certified Public Accountants, 541219 - Other Accounting Services.