Dual custody account for baby

boingy

Avoid trust funds. A junior ISA is the way along with the careful nurturing of financial responsibility so he/she doesn't attempt to drink it all on their 18th birthday.

And congrats! I probably should have started with that. 

xylophone

https://www.gov.uk/junior-individual-savings-accounts

But only one parent can be the "authorised contact."

https://www.gov.uk/guidance/manage-the-registered-contact-for-a-junior-isa

https://moneytothemasses.com/quick-savings/parents/best-junior-stocks-and-shares-isa#:~:text=How much can you invest,tax year to tax year.