NAICS 541810 vs 541820
This page compares NAICS 541810 (Advertising Agencies) vs NAICS 541820 (Public Relations Agencies) to help you determine the correct industry classification code.
Side-by-Side Comparison Asset
| Dimension | NAICS 541810 — Advertising Agencies | NAICS 541820 — Public Relations Agencies |
|---|---|---|
| Definition | This industry comprises establishments primarily engaged in creating advertising campaigns and placing such advertising in print and digital periodicals, newspapers, radio and television, or other media. These establishments are organized to provide a full range of services (i.e., through in-house capabilities or subcontracting), including advice, creative services, account management, production of advertising content, media planning, and buying (i.e., placing advertising). | This industry comprises establishments primarily engaged in designing and implementing public relations campaigns. These campaigns are designed to promote the interests and image of their clients. Establishments providing lobbying, political consulting, or public relations consulting are included in this industry. |
| SBA Size Standard | $25,500,000 | $19,000,000 |
| US Establishments (CBP) | 15,512 | 8,646 |
Decision Rule Guidelines
Select 541810 if your primary business focus aligns with Advertising Agencies. Select 541820 if the establishment's core activities match the definition of Public Relations Agencies. Verify the revenue share of each activity if both apply.
Frequently Asked Questions (FAQ)
Can I report both NAICS 541810 and 541820 on a business tax return? ▾
No, the IRS requires declaring a single primary activity code (either 541810 or 541820) on Schedule C or Form 1120. You must audit your revenue share between these two classifications and select the code that represents the highest percentage of your receipts.
How do the SBA size standards differ between NAICS 541810 and 541820? ▾
NAICS 541810 has a standard of $25,500,000 while NAICS 541820 has a standard of $19,000,000. Ensure your rolling averages of annual receipts or employees do not exceed the specific code limit for your chosen classification.
Related Pages & Tools
- NAICS Code 541810 Directory — Official definition, SBA thresholds, and details.
- NAICS Code 541820 Directory — Official definition, SBA thresholds, and details.
- Find NAICS by Industry — Search classification directory.
Primary Ingestion Source
Data sourced from the U.S. Census Bureau NAICS 2022 Manual and SBA Small Business Size Regulations (13 CFR Part 121). Last verified on 2026-06-30.