if you want to set up a dog walking company! make some leaflets on a computer which look interesting with your name and telephone number on it and any qualifications you have. also what service you provide wether it is one dog at a time or if you walk many dogs from the same area. put a ruff guide price on it. then you can print off lots and deliver to houses in the areas you wish to walk and also advertise in the local pubs and shops. easy as 1,2,3.