Texas Secretary of State — Business & Public Filings Division
Find county Clerk DBA / assumed-name certificate filing for unincorporated businesses and Secretary of State entity filings. Texas Secretary of State business formation, maintenance and SOSDirect records; county assumed names and local permits are separate.[6]
Source checked November 1, 2026[6]www.sos.state.tx.us
This official directory lists local programmes and providers. Check the provider’s own instructions for current service arrangements.
- Services
- 2 official links across 2 topics
- Requirements
- eligibility (1)
- Fees
- 2 reviewed fee items
- Forms
- 1 form or document
- Contacts
- 1 reviewed field
Online services & information
Find programme information and provider referrals below. Different organisations may handle different services.
Form or register a business
Form or register a business: other Texas providers →Read Secretary of State information about SOSPortal and its posted per-search fee.
Register a business name (DBA / FBN)
Register a business name (DBA / FBN): other Texas providers →Read the Secretary of State assumed-name certificate instructions for the filing entities listed in the official guidance.
Before you start
- Eligibility & access · Texas Business & Commerce Code § 71.103 Assumed Name filing requirement
- The listed domestic or foreign filing entities must file an assumed-name certificate with the Secretary of State when regularly doing business in Texas under a name other than their legal name. [2]
Fees
Fees are quoted only when a source document supports the amount and conditions.
| Service | Amount | Conditions & source |
|---|---|---|
| Assumed Name Certificate Filing (Form 503) | $25.00per filing | Posted filing fee for an assumed-name certificate (Form 503); review the official instructions for filing-entity and term requirements.[3] |
| SOSPortal Business Entity Record Search | $1.00per search | Statutorily authorized fee per online search in Texas Secretary of State SOSPortal.[1] |
These are individual fee items, not a quote for your total. Other charges or exemptions may apply; confirm the total with the office.
Forms & documents
Official forms and document pages for this office’s services.
Sources & last checked3 source pages · 6 citations
Sources were checked by an AI-assisted research process. A checked website does not mean every service or fee on it has been reviewed.
- [1] SOSDirect - An Online Business Service from the Office of the Secretary of State (opens in a new tab)
Texas Secretary of State · SOSPortal statutory search fee
Source reviewed October 29, 2026View supporting excerpt
SOSPortal is available 24/7. There is a $1.00 statutorily authorized fee associated with each search.
- [2] Form 503 — Instructions for Assumed Name Certificate (opens in a new tab)
Texas Secretary of State · Form 503 — Commentary (TBCC § 71.103)
Source reviewed October 29, 2026View supporting excerpt
A domestic or foreign corporation, limited liability company, limited partnership, limited liability partnership, or other foreign filing entity that regularly conducts business or renders a professional service in this state under a name other than its legal name (the name stated in its certificate of formation or comparable document) must file an assumed name certificate with the secretary of state. (Texas Business & Commerce Code [TBCC] § 71.103).
- [3] Form 503 — Instructions for Assumed Name Certificate (opens in a new tab)
Texas Secretary of State · Form 503 — Payment and Delivery Instructions
Source reviewed October 29, 2026View supporting excerpt
The filing fee for an assumed name certificate is $25.
- [4] Form 503 — Instructions for Assumed Name Certificate (opens in a new tab)
Texas Secretary of State · Form 503 — Delivery address
Source reviewed October 29, 2026View supporting excerpt
Deliver filings to: 400 W. 15th St., Austin, TX 78701
- [5] Form 503 — Instructions for Assumed Name Certificate (opens in a new tab)
Texas Secretary of State · Form 503 PDF link in Form 503 Instructions
Source reviewed October 29, 2026View supporting excerpt
Form 503 (PDF)
- [6] Business Services (opens in a new tab)
Texas Secretary of State · sos business services
Source reviewed November 1, 2026View supporting excerpt
Business Services We are pleased to announce the launch of SOSPortal, our new Business Filing system, on September 29, 2026 SOSPortal will replace both SOSDirect and SOSUpload, bringing filing, ordering, and searching together into a single, streamlined platform.