NAICS Code for Architecture Firm
The NAICS code for an architecture firm is 541310, Architectural Services. Architectural design and building design services fall under 541310, Architectural Services (except landscape). Landscape architects and interior designers have their own codes, 541320 and 541410. Federal A-E contracts often name 541310 or 541330, so firms that do both usually register both.
Related codes to add
Most businesses list several NAICS codes. Use 541310 as your primary if it covers most of your revenue, and add these when they describe work you also do:
| Code | Use it when | Size standard |
|---|---|---|
| 541330 Engineering Services | You provide engineering design along with or instead of architecture. | $25.5 million or less in receipts |
| 541320 Landscape Architectural Services | You're a landscape architect. | $9 million or less in receipts |
| 541410 Interior Design Services | You do interior design. | $9 million or less in receipts |
| 541340 Drafting Services | You only do drafting. | $9 million or less in receipts |
How to choose
Your primary NAICS code should match the work that brings in most of your revenue, and it sets which size standard applies to you for most set-aside contracts. Read each code's Census definition before you register. Our guide on how to choose NAICS codes covers the trade-offs. To see whether you count as small under these codes, try the size standard checker.
Frequently asked questions
What is the NAICS code for an architecture firm?
The NAICS code for an architecture firm is 541310, Architectural Services. Architectural design and building design services fall under 541310, Architectural Services (except landscape). Landscape architects and interior designers have their own codes, 541320 and 541410. Federal A-E contracts often name 541310 or 541330, so firms that do both usually register both.
What is the SBA size standard for NAICS 541310?
A business counts as small under NAICS 541310 with $12.5 million or less in average annual receipts, under the SBA's table of size standards. Federal contracts set aside for small businesses under this code are limited to firms that meet it.
Can I list more than one NAICS code?
Yes. In your SAM.gov registration you pick one primary NAICS code and can add as many others as describe work you can actually do. Add every code below that fits, because agencies search and set aside contracts by code.