As Group Managing Director of Praemium, Arthur oversees a team of specialist IT and portfolio analysts to enhance and maintain a state-of-the-art administration service, which currently administers in excess of $16.5b for over 300 financial service businesses. The technology has developed to include Separately Managed Accounts and provide listed securities processing to a number of other platforms and services. The Blackrock Merrill Lynch Customised Portfolio Service is driven by this technology. Headquartered in Melbourne, Praemium has offices in Sydney, Brisbane and Adelaide and a sales and marketing and IT team in London. Praemium listed on the ASX (ASX:PPS) in May 2006.