The last hop showed in the BGP route is AS60068 (cdn77) which is a Czech company with global physical network. It does not mean the data are going through GB, it's not that easy.
In the era of relatively complicated company ownership structures (especially in a capital heavy business such as Datacamp), the company on the whois does have the same level of meaning as you seem to expect it to.
207 Regent Street, it's a relatively well known virtual office type address, I would be shocked to learn that there were any datacamp employees at that address)