Corporations

SOSDirect - Online Searching and Filing
Online Searching and Filing

Business Start-Up Information

Texas Business Portal

Employer Identification Number

Patents, Trademarks and Copyrights

Permits and Licenses:

Security Issues

State Taxation: Comptroller of Public Accounts

More Business Start-Up Information

Internal Revenue Service

Business Law Section – State Bar of Texas

Secretary of State/Corporate Filing Offices in Other Jurisdictions