That's the head office of Nortons accountants, who I'd imagine are handling the liquidation. Changing the registered address is normal. http://www.nortonsgroup.com/uk/global-offices
Are you insinuating that someone other than Aaron Cheung sent the email from the top of the post? That seems... strange.
In my case one of our founders purchased the domain name and the "good will of the company", and continued to run the company under that name as a "trading name". The actual company entity going forward was completely different.