I suggest you have a look at both the AQTF Conditions of Registration and VTG requirements (assuming you're in Victoria) otherwise your respective State reqts linked to funding conditions to prompt a series
Request a copy of their last audit report
Ask to see their Contiuous Improvement Register
Certificates of Insurance (public indemnity) currency
Insurance for public liability
Archiving Policy & Procedure
Quality Indicator Reports Analysis (not just the completed surveys which can often be placed in a folder and never reviewed or acted on)
Complaints & Appeals Process
Financial Viability Reports for the past three (3) years
Training Strategy for Training Packages that are superseeded
Client/Trainee Account Management processes
Trainer Management Processes and Competency Mapping Matrix, and what Professional Development the trainer undergoes to maintain currency
Validation & moderation Strategies/Tool to ensure quality of training materials, conclusively demonstrating Reliability, Validity, Flexibility, Fairness, Currency, Sufficiency, Validity & Authenticity.
What is the completion to attrition rate vs duration for delivery/assessment models.
What is their RPL process, credit transfer, mutual recognition process
and ofcourse Fit and Proper Person