It is chanllenging for Startups to file H1B for an employee

For startups to file H1B

-- Show evidence of Income, usually in the form of venture capital( Good to have $1M)

-- Business plan

-- Employee contracts

-- Lease or company office space

-- Annual report US tax return

-- H1 fees  $4000, not including attorney's fee

There is a nice article on this topic in Forbes.com

http://www.forbes.com/sites/quora/2014/04/07/how-does-a-company-sponsor-h1b-visas/