We challenge conventional wisdom with intelligence.

When you need intelligence in the aviation industry that will change minds, change direction or create new opportunities, you can look for consultants with big names and big process. Or you can come to Leeham Company, where conventional wisdom gets challenged so you get more intel, insight and analysis than the OEMs will ever want you to have.

Founded in 1996, Leeham Co. provides impartial intelligence for the aviation industry, including acting as a Red Team to assess plans and projects in commercial aviation.