Hi all - I am doing a business plan for a non-profit website addressing environmental problems and solutions. A core group of founding corporate sponsors will sustain the website during development and first-year launch.

What I am wondering is: how much to charge for a standard sponsorhip (logo, acknowledgment, link) when you are still in development and consequently have not established a user base? Plus, how to justify rate? These sponsors will essentially be investors desiring to reach a highly targeted audience, and the sponsorship will guarantee them a place at the table. The website has great potential and will initially focus on California, Oregon, and then beyond.

Any thoughts, everyone? Plus, is there a go-to community or website that discusses issues pertaining to sponsorship and/or internet advertising for beginning players, such as myself?