Sizable? Heck yes.
Reachable? through publications, organizations, media, etc.
Self-defining? your potential market should have, or feel they have, special needs. That's why they want a specialist.
Sustainable? to support your business long-term, where you won't quickly deplete the customer supply.
This is one of the most powerful ways to set yourself apart from competitors and focus your marketing efforts. And more $. An average of 11%- however, if you specialize specialize in an industry you may have to broaden the geographic area.
Industry/Business Type:
Demographic Group: gives you an immediately recognizable way to attract and welcome and target to become familiar with the issues important to that group, their sensitivites, and buying habits.
Unique Knowledge: emphasize areas in which you have in-depth education/experience, training/understanding.
Style: Customers can easily see what sets these businesses apart
Geographic: eh.
