You could do a college course, which would teach you some of the skills and knowledge you need in this job.
Relevant courses include:
- Level 2 or 3 Diploma in Business and Administration
- Level 3 Sales and Account Management
You'll usually need:
- 2 or more GCSEs at grades 9 to 3 (A* to D), or equivalent, for a level 2 course
- 4 or 5 GCSEs at grades 9 to 4 (A* to C), or equivalent, for a level 3 course