Has anyone hired you yet? If so, cultivate why they hired you? If not, are friends and colleagues reaching out to you for help? If so, cultivate why they reached out for help. An effective way to find your niche is based on what the marketplace is already communicating to you. if you have not been sought after yet, I would run through a personal assessment and seek feedback from my closest business colleagues. Lastly, you could also hire a coach that specializes working in launching coaches and consultants.