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.

Consulting Services

Need a fresh perspective on evaluating aircraft performance or long-term strategy? We have the answers.

Competitive Intelligence

Decades of investigative reporting and analysis of the industry put us in the perfect position to inform your next move.

Conferences and Events

We’ve teamed up with Airfinance Journal to create interactive and stimulating conferences. Check the schedule.