This year's ball is in aid of the Starlight Children's Foundation, which grants the wishes of seriously ill children and provides entertainment for those in hospital.
The ball is organised by IT suppliers organisation Intellect and the Worshipful Company of Information Technologists. Computer Weekly is media sponsor.
The theme for the 400-ticket event is "A night at the movies". There will be dinner, dancing, celebrities, fairground rides and entertainers. Tables for 10 guests cost 1,950 plus VAT, and individual places are 195 plus VAT.