American Express Global Business Travel (Amex GBT) vs Serko Zeno
Side-by-side from the Top 11 ranking of The 11 Best Corporate Travel Management Companies and Software (2026). Last verified July 21, 2026.
The short answer
American Express Global Business Travel (Amex GBT) ranks higher on Top 11 (#4 vs #10) for Finance leaders, travel managers, and office administrators booking and controlling business travel for teams of 10 to 10,000. The biggest managed network for multinational travel programs.
At a glance
| American Express Global Business Travel (Amex GBT) | Serko Zeno | |
|---|---|---|
| Top 11 rank | #4 / The 11 Best Corporate Travel Management Companies and Software (2026) | #10 / The 11 Best Corporate Travel Management Companies and Software (2026) |
| Score (out of 9.4) | 8.6 | 7.5 |
| Best for | Largest managed global travel network | Modern booking tool with NDC content |
| Pricing | $$$$ (Managed program, transaction fees plus management fee, quoted) | $$ (Licensed through TMC partners, quoted) |
| HQ | New York, USA | Auckland, New Zealand |
| Founded | 2014 | 2007 |
American Express Global Business Travel (Amex GBT)
The biggest managed network for multinational travel programs.
www.amexglobalbusinesstravel.com/See full entry in The 11 Best Corporate Travel Management Companies and Software (2026)
Serko Zeno
A modern booking tool with early, broad NDC content.
www.serko.com/See full entry in The 11 Best Corporate Travel Management Companies and Software (2026)
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.