D4HK aims to unite people in the United Kingdom who are concerned about the progress in the (or the reverse of) democratisation of Hong Kong, and Hong Kong politics in general. D4HK also aims to raise awareness of the political situation in Hong Kong in the general public in the United Kingdom. D4HK organise actions in the UK to support the democratic movement in HK. D4HK's Electoral Action Group also provides help and support for eligible HKers to register as UK voters and advocate for HKers in UK census and elections.