How to manage multiple accounts on one phone app

[JOC3]

I have two O2 accounts which are carry overs from the old Virgin days.

One account has three sims - my personal sim (A), and two for my offspring in their phones that I pay for - email (Ae) is linked to those 3 sims

The other account is paid from a different source and has one SIM (B) on it (different email Be) This is the one that I currently have my O2 app on phone logged in to.  

I have a dual sim S24 which carries my personal sim (A), and sim (B)  Currently the only way I can access both accounts is to do so online and log in using Ae or Be as appropriate.

Is there any way to manage all the sims from the single app on the phone (this used to be possible with Virgin) and is there any better way to a manage things through the O2 software offerings than I do now please?

[MI5]

@JOC3 

O2 need to combine them all to your email address.

You need to contact O2.

Message them on Social Media. Facebook (https://o2uk.co/O2CFB) , Twitter (X) (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG) or give them a call on 202 or 0344 809 0202