Under 6 Del. C. § 3101, Delaware Trade Names (DBAs) are registered through the applicable official process. The supplied fee is $25 per county; confirm Delaware One Stop instructions before filing. Delaware requires zero newspaper publication.
Delaware One Stop ↗Delaware Courts ↗Delaware statutory references supplied for the October 25, 2026 review; confirm current official instructions.
Corp USA is not a law firm and does not provide legal advice. Private information and filing service; not a government agency.
- Delaware Title 8 & Title 6 statutory references
- $0 Markup on State Pass-Through Fees
- Physical Corporate Kits & Seals (corpusa.net)
- Live Filing Support: (386) 465-3937
Start with the right question.
Statutory Rule & Filing Mechanics (6 Del. C. §§ 3101–3107)
Under 6 Del. C. § 3101, Delaware Trade Names (DBAs) are registered through the applicable official process. The supplied fee is $25 per county; confirm Delaware One Stop instructions before filing. Delaware requires zero newspaper publication.
Delaware Division of Corporations (Title 8 & Title 6) ↗Prothonotary / Delaware One Stop — $25
Register an assumed Trade Name under 6 Del. C. § 3101. The supplied fee is $25 per county; confirm current process and charges before paying.
Delaware One Stop ↗Zero Newspaper Publication
Delaware does not require newspaper publication for these Trade Name registrations or LLC formation.
Delaware Courts ↗Your preparation checklist
- Confirm LLC, standard C-Corp, Venture 10M-Share C-Corp, or Series LLC
- Clear Delaware ICIS entity name
- Designate physical Delaware Registered Agent
- File Certificate of Formation ($110) or Incorporation ($109)
- Execute Operating Agreement or Bylaws; review 30-day § 83(b) election
- Calendar March 1 corporation report or June 1 LLC tax
Delaware County Prothonotary DBA Lookup
Delaware County Prothonotary DBA Lookup
New Castle County Prothonotary / Delaware One Stop · Leonard L. Williams Justice Center, 500 N. King St., Wilmington, DE 19801. $25 supplied Trade Name (DBA) fee under 6 Del. C. § 3101. Zero newspaper publication; confirm the current filing office and portal before paying.
Delaware One Stop ↗Keep the requirements separate.
| Requirement | Rule / confirmation needed | Official authority |
|---|---|---|
| Prothonotary / Delaware One Stop — $25 | Register an assumed Trade Name under 6 Del. C. § 3101. The supplied fee is $25 per county; confirm current process and charges before paying. | Delaware One Stop ↗ |
| Zero Newspaper Publication | Delaware does not require newspaper publication for these Trade Name registrations or LLC formation. | Delaware Courts ↗ |
Carry the decision forward.
Corp USA is not a law firm and does not provide legal advice. State fees are pass-through. Service fees and taxes are separate. Review the order price before payment.
Before your next step
6 Del. C. §§ 3101–3107. Under 6 Del. C. § 3101, Delaware Trade Names (DBAs) are registered through the applicable official process. The supplied fee is $25 per county; confirm Delaware One Stop instructions before filing. Delaware requires zero newspaper publication.
Delaware Division of Corporations (Title 8 & Title 6) ↗No. Registering a Trade Name does not create a separate legal entity.
Delaware One Stop ↗The Division registers legal entity names. Review the Trade Name process through One Stop and the applicable official instructions.
Delaware One Stop ↗