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If a Business License is registered in the District of Columbia, you can look it up with the District of Columbia Secretary of State website. The District of Columbia Secretary of State keeps track of every Business License in the state. A person starting a Business License, needs to register it with the Secretary of State.
You can also dissolve a Business License with the Secretary of State.
“You don't need to have a 100-person company to develop that idea.” — Larry Page, Google co-founder