When you find other experts who do similar work, offer to joint venture with them to create more opportunities for both of you. It can be a great win/win with the right joint venture partners. Your competitors can be your best form of marketing because you both have the same target market to focus on.
Get to know what your competition is all about. What are they doing that works and what are they doing that is different from your approach? Knowing your competition will help you define your own uniqueness. It helps you to fill holes in the same market.
Discover ways to go deeper into your chosen field of expertise and narrow it down to a very specific niche that you can be known for. Then collaborate your expertise with other experts to expand your database and sales opportunities such as joint venture tele-seminars, webinars, live events, book projects, expert interviews, etc.