There is a huge number of different ways to find and attract business on the Internet.  Search Engine marketing - SEO, PPC, social networking.  If you are trying to run a business as well as doing your marketing, it is impossible to be an expert in all of these things.

This calls for another breed of person:

A Search Engine Marketing Consultant

Search engine marketing consultants live and breathe Internet marketing,

Which to do: Run a Business, or do Internet Marketing?

Unless your business is big enough to have an entire Internet marketing department, you will need to hire an Internet marketing consultant.