Environmental Horticulturist Janet Hartin has published an  e-book (also available in hardcopy) entitled:  Become a Landscape Company Owner.  The 205 page e-book is available instantly upon purchase and includes comprehensive information on what's needed to start a successful company of your own from a business as well as horticulture end. Follow the link below for further information on purchasing this book.
http://www.fabjob.com/landscape.asp