Paper,
We have recently set up a new company well about 12 months ago. We have a 206 and a R44.
Do your research, on markets you are targeting, depending on the work you are most likely going to be doing.
Marketing, advertising and a bit of networking are a must, it took us about 6 months to get all our brochures, advertising material etc to circulate and we are now just starting to see an increase in monthly hours flown.
If you can secure a contract of sorts weather it be long term or short this is also a good kickstart. I dont know your flying background but you need good sound and knowledgable pilots due to the fact that no-one knows your company you need to have a lasting impresion on your clients. you know the term first impressions!!
The secret is plain old hard work, you need to eat sleep breath aviation. its a hard slog but with a good sound start and a solid background in flying and management skills you should do well.
There are highs and lows and i assure you you will experience many low's but hang in there.