Capital gains tax on transfer of shares internationally

If a person owns one UK company and one Portugal company, can they simply gift the shares in the Portugal company to the UK company without any CGT to pay. The overall ownership of the companies is not changing with the same person owning the company.

Hi Evan Fennell,
HMRC are not permitted to give accountancy advice.
You will need to enagage the services of a tax professional to assist you with your enquiry.
Thank you.