In terms of looking for 'clients' it is said so vague like you have no specific target markets.
My advice is get planning together come up with ideas - remember differentiate yourself by adding value.
These might sound like dumb questions, but they are extremely important when you talk to the bank about finance and opening the business account as well as presenting to potential clients.
Both of these will be looking hard at you all that they are getting value for money and security.
It's an exciting area to be in - as long as it gets measurable results.
Good luck!