Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization. Needed whenever the business trades under any name other than the owner’s legal name or the LLC’s registered name; a state business license is required to register.
Checked Oct 21, 2026 against the agency’s page.
Step 1 of 6: Set up the business
1Set up the business
2Register for tax
3Approve the space
4Get the permits for your kind of business
5Alcohol permits
6Before the first hire
Issued by Delaware Division of Revenue, through One Stop.
Sources and dates
One Stop trade name pages and FAQ; 6 Del. C. chapter 31 as amended by House Bill 40 and Senate Bill 291. Checked against the agency’s page on the date shown; cities add their own fees.
Questions about opening here.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Yes. Since February 2, 2026 trade names are filed once, statewide, in the Delaware Trade Name Registry on One Stop rather than with each county’s Prothonotary, with no notarization.
Delaware Division of Revenue, through One Stop.
Step 1 of 6, set up the business. It is the first step.
Who needs a trade name (DBA) registration in Delaware? | DoorWorthy