CGT on jointly held investments (Grandchildren)

Hi, could you confirm the method in which reporting Capital Gains Tax would apply in a scenario where there is a Trading Account holding investments jointly on behalf of a number of Grandchildren. Say an individual (Grandparent) has investments in a trading account (ETF's) and that account is designated as being for the benefit of their 3 Grandchildren, how are capital gains taxes reported for the 3x grandchildren who are under the age of 18? If an ETF is sold for a profit of £50k and the gain is to be shared jointly is it possible to make 1x Joint CGT return, or will the gain have to be apportioned across the 3x grandchildren, and then individual returns submitted for each grandchild (either by Self Assessment of using the Real Time service). Many thanks

Bump - a response on this would be appreciated to ensure no ambiguity for reporting purposes.

Hi,
It would be on the legal owner of the asset unless there is a deed of trust to show that the beneficial owner is someone else.
Thank you.

Hi, There is a deed of trust that has been executed, and this details and shows that the investments beneficial owners are the Grandchildren. Would each Grandchild (under 18) have to submit self assessment returns / real time submissions for their respective share of a gain, or can it be done collectively? Thank you

Bump - There is a deed of trust that has been executed, and this details and shows that the investments beneficial owners are the Grandchildren. Would each Grandchild (under 18) have to submit self assessment returns / real time submissions for their respective share of a gain, or can it be done collectively? Thank you

Hi,
Each one would need to submit their own share of any gain/interest.
Thank you.

Hi,
Each beneficiary would be required to complete a Self Assessment tax return, to report their trust income and claim back any overpaid tax, paid by the trust.
Thank you.