| Abbreviation | Definition |
|---|---|
| GSSM | Gulf Stolt Ship Management |
| GTCMS | Global Trade Compliance Management System |
| GTCMS | Grant Thornton Compliance Management Solution |
| GTFM | Guide to Financial Management |
| GTIM | Global Tech Institute of Management |
| GTM | Global Talent Management |
| GTM | Global Tax Management |
| GTM | Global Trade Management |
| GTM | Global Traffic Management |
| GTMA | Gauteng Transport Management Authority |
| GTML | Global Talent Management Leader |
| GTMO | Goddard Technology Management Office |
| GTMS | Global Trade Management Systems |
| GTMS | Global Translation Management System |
| GTMS | Global Transportation Management Solutions |
| GTMS | Ground Transportation Management System |
| GTMT | Group Trauma Management Therapy |
| GUMT | Global University of Management and Technology |
| GVM | Greenbone Vulnerability Management |
| GWIM | Global Women in Management |