Business.gov is the "Official Link to the U.S Government". This Web site is an excellent resource for the start-up business.
The site has many helpful areas including:
1. Business Resource Library – contains information on a variety of regulatory topics including taxes, managing and hiring employees and intellectual property;
2. Government forms search – by agency, form number or name;
3. State Compliance Resources – which might be particularly helpful if you are doing business in more than one state;
4. Links to the Small Business Business Administration – includes links to planning, starting, managing and exiting a business.