What's the NAICS and SIC code for a dental practice?

For a dental practice, use NAICS 621210 (Offices of Dentists) in the US and SIC 86230 (Dental practice activities) in the UK.

United States, NAICS 2022

621210 Offices of Dentists

Offices of Dentists.

SBA small business limit: $9 million average annual receipts.

United Kingdom, SIC 2007

86230 Dental practice activities

Dental practice activities.

Use this code when you register with Companies House or file your confirmation statement.

When a different code fits better

These are the codes most often confused with the main answer. Pick by the activity that earns most of your revenue.

CodeTitleUse it if
NAICS 339116Dental Laboratoriesyou run a dental laboratory
SIC 32500Manufacture of medical and dental instruments and suppliesyou manufacture dental products

Good to know

Dental labs that make crowns or dentures are manufacturers in both systems.

You can list more than one code. Companies House accepts up to four SIC codes, and SAM.gov lets you add several NAICS codes, with one marked as primary.

What the code affects

Related business types

Codes checked against the US Census 2022 NAICS index and the ONS UK SIC 2007 index. Information only; confirm with the agency you file with.