Wyoming DBA (Doing Business As) Guide (2026)
In Wyoming a DBA is called a Trade Name and is filed with the Wyoming Secretary of State by mail only under W.S. 40-2-101 to 40-2-115 - not the county clerk. The fee is $100 initial and $50 renewal, and the registration is valid for 10 years. The form is available at sos.wyo.gov.
The one thing to knowWyoming Trade Names are filed with the Secretary of State by mail only - there is no online filing and counties do not file DBAs.
The process
- Get the form
Download the Trade Name form from sos.wyo.gov.
- File by mail with the Secretary of State
Trade Name registration is filed with the Wyoming Secretary of State by mail only under W.S. 40-2-101 to 40-2-115. There is no online filing.
- Pay the fee
The fee is $100 initial / $50 renewal. Registration is valid for 10 years.
DBA filing by county — all 23 Wyoming counties
Wyoming Trade Names (DBAs) are filed with the Secretary of State by mail, not with counties.
| County | Where to file |
|---|---|
| Albany County | Filed with the state (not the county) |
| Big Horn County | Filed with the state (not the county) |
| Campbell County | Filed with the state (not the county) |
| Carbon County | Filed with the state (not the county) |
| Converse County | Filed with the state (not the county) |
| Crook County | Filed with the state (not the county) |
| Fremont County | Filed with the state (not the county) |
| Goshen County | Filed with the state (not the county) |
| Hot Springs County | Filed with the state (not the county) |
| Johnson County | Filed with the state (not the county) |
| Laramie County | Filed with the state (not the county) |
| Lincoln County | Filed with the state (not the county) |
| Natrona County | Filed with the state (not the county) |
| Niobrara County | Filed with the state (not the county) |
| Park County | Filed with the state (not the county) |
| Platte County | Filed with the state (not the county) |
| Sheridan County | Filed with the state (not the county) |
| Sublette County | Filed with the state (not the county) |
| Sweetwater County | Filed with the state (not the county) |
| Teton County | Filed with the state (not the county) |
| Uinta County | Filed with the state (not the county) |
| Washakie County | Filed with the state (not the county) |
| Weston County | Filed with the state (not the county) |
What to bring
- Your desired trade name
- The completed Trade Name form from sos.wyo.gov
- Payment of $100
Frequently asked questions
What is a DBA called in Wyoming?
A Trade Name, filed under W.S. 40-2-101 to 40-2-115.
Where do I file?
With the Wyoming Secretary of State, by mail only. Counties do not file DBAs.
How much does it cost?
$100 initial / $50 renewal.
How long is it valid?
10 years.