How do I find out if a company name is available in a given state?

Use Delaware's online Business Entity Search to find the following details for a Delaware corporation:

  • Legal name
  • Delaware file number
  • Incorporation date
  • Registered agent information

Most states and territories, as well as the District of Columbia, offer a similar search service at the links below. Note that many services do not operate 24/7. Some states or territories may provide basic information at no cost and more detailed information for a fee.

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