The International Coaching Foundation commissioned a survey performed by PricewaterhouseCoopers.  This is what they found:

In terms of Productivity, Hiring a Professional Coach,

1. 70% saw Increased Work Performance
2. 61% saw Improved Business Management
3. 57% saw Improved Time Management
4. 51% saw Improved Team Effectiveness

In terms of People, Hiring a Professional Coach,

1. 80% saw Improved Self-Confidence
2. 73% saw Improved Relationships
3. 72% saw Improved Communcation
4. 67% saw Improved Life/Work Balance

In terms of Return on Investment,

• 86% of individuals using a coach made their investment back and more through learning and clarity.

In terms of Satisfied Clients,

1. 99% of Companies and Individuals were "Somewhat" or "Very Satisfied" with overall experience
2. 96% of Individuals would repeat the process.

Information obained by www.CoachingFederation.org