As someone who's looking to enter the finance/accounting industry, is it beneficial to do a course on AAT? LV2, LV3?

Hi! - completing AAT Levels may give you exemptions to ACCA and CIMA foundation modules however these may already be covered by your existing degree. Having these exemptions/knowledge could help for the qualification however both CIMA and ACCA do offer foundation units which will need to be either completed or have exemptions from. I would take a look at the exemption calculator to see what exemptions you could apply for

Overall, what courses would you recommend doing if an individual was looking to apply for a finance/accounting role?

At University, any Finance/Accounting Role or Maths/Economics with elements of business or accounting. Also I would look into degrees that offer connections to a qualification that would give you more exemptions/knowledge for that particular qualification