What's the NAICS and SIC code for a solar panel installer?

For a solar panel installer, use NAICS 238210 (Electrical Contractors and Other Wiring Installation Contractors) in the US and SIC 43210 (Electrical installation) in the UK.

United States, NAICS 2022

238210 Electrical Contractors and Other Wiring Installation Contractors

Census indexes "Solar panel installation" under electrical contractors.

SBA small business limit: $19 million average annual receipts.

United Kingdom, SIC 2007

43210 Electrical installation

Electrical installation.

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 221114Solar Electric Power Generationyou own a solar farm and sell the electricity
SIC 35110Production of electricityyou generate and sell electricity

Good to know

Installing panels is construction; selling the power they generate is a utility activity.

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.