Here is a handy checklist for others, in my position, trying to start up a company from scratch. Let me know if you see anything missing or excluded.

Owner’s Checklist for Starting a New Business
Background work
 assess your strengths and weaknesses
 establish business and personal goals
 assess your financial resources
 identify the financial risks
 determine the start-up costs
 decide on your business location
 do market research
 identify your customers
 identify your competitors
 develop a marketing plan

Business transactions
 select a lawyer
 choose a form of organization (proprietorship, partnership, or corporation, for example)
 create your business (register your name, incorporate the business, etc.)
 select an accountant
 prepare a business plan
 select a banker
 set up a business checking account
 apply for business loans (if applicable)
 establish a line of credit
 select an insurance agent
 obtain business insurance

First steps
 get business cards
 review local business codes
 obtain a lease
 line up suppliers (if applicable)
 get furniture and equipment
 obtain a business license or permit (if applicable)
 get a federal employer identification number (if applicable)
 get a state employer i.d. number (if applicable)
 send for federal and state tax forms
 join a professional organization
 set a starting date