You will need to register as a CIMA student, pass all of your CIMA exams and become a CIMA member before you are eligible to become a CGMA.
Find out all you need to know about becoming a CIMA student and member here.
This section will help you understand the entry requirements, CIMA syllabus, fees and the time and resource it takes to complete the CIMA qualification.
If you've studied related topics like finance, you may be eligible for exemptions from some CIMA papers. See the CIMA exemptions section here.
As a CGMA, you will extend the global reach of your recognition as a chartered management accountant. You will remain a CIMA member as well, with all the benefits that CIMA membership offers.