(UK + Apprenticeship) Does my uni act as a union in any capacity?

FW: Unions are vital, there is no reason not to join a union, aside from the below.

Am on a 5 year Trasport Planning BSc Apprenticeship. Looking to join a union NOT backed by Labour, and switch from TSSA which is. There dont seem to be any unions for private consultancy work like this that fall under the criteria. Wondering, if my employer was to flip and start taking advantage (very unlikely but never can be sure), would my uni (Aston) help at all, in the same/similar way a union would?