Although AUI is still working with vendors to decide on a migration path, Harrison said Dell is the hardware vendor of choice among the group companies and Windows is used for desktops and servers.

AUI is working with consulting firm Cstim to assess potential solutions for the unit registry system and wider technology infrastructure.

Pratt said the Atlas system is "proprietary" and while AUI can extract, or run, anything from the system in-house, development work is done by Lumley.

"Primary project in technology is flexibility and supporting the growth prospects of the business," he said. Because Atlas has been around for "a number of years" it is appropriate to review its ongoing ability to support the business.

"We don't have specific growth rates, but have a strategy of product-based growth. We need to be in position operationally to support that growth and provide customers with information in a timely manner."