Check out the CIPD's courses - as with consulting there isn't a clear professional grouping for coaching. However, the CIPD has been at the forefront of drawing together coaching as a profession. Yes, you can make a career out of it. Because coaching is a very personal, relationship-based thing, almost all your work will come through your personal network and recommendations. There also isn't a commodity market for coaching so your services are worth what each client will pay for them. Your earnings potential is greater if you know more, higher earners. You can also form loose partnerships with other coaches to bid for bigger contracts, such as providing coaching to a complete management team.