We a group of 12 landing in Hong Kong on the 31 st December

As you are a group of 12, you can reserve a pick-up sevice from this hotel. Just consult if they have such service in advance. Apart from that, you can take Airport Express to Tsing Yi, where transfer to Tung Chung line and get off at Olympic station. Then you can easily walk to your hotel.

You can buy three group package passes for 12 of you and one for four people. It costs 150HKD per pass.