You can definitely gift shares without any issues.
Itās just that the broker needs to have a system in place to make it possible.
Thereās CGT tax to take into consideration. Like thereās nothing to pay for gifting to spouse/civil partner but it becomes their asset to pay any gains on based on the price you paid.
But obviously a good way to maximize the Ā£24,600 between you, if you got a very decent multibag.