For a few reasons, this is quite rare and risky practice:
- It is very difficult to eliminate the unfavourable influence of some external factors that could interfere with the accomplishment of Goals
- The coach has little influence on The client’s motivation to achieve his goals
- It may be possible, that The client shall hide the effects of coaching in order to avoid paying the full fee
Coaching contracts should not be based on success fees due to the mechanism of change and goal achievement.