Qualifications improve your chances; they do not gate the job. Level 6 is the most recognised.
Level 6 most recognisedOpen entry
Your route in
You can start without qualifications - direct entry/volunteering; a qualification improves your chances
1
Qualifications employers recognise (Level 6)
Any of these strengthens your application.
2
Add-on certificates
Complements to the main route. Where no level is shown, the awarding body does not specify one.