Listed financial services company the Treasury Group is planning to expand its business offshore as it continues to grow its international client base.

"We have already secured a number of clients in the United States and Europe. We also represent offshore managers. Our business is ready for expansion overseas," Treasury Group chief executive Mark Burgess said.

The firm's US clients include two large pension funds.

In the past quarter the firm acquired two offshore managers: Edinburgh-based equities manager Aubrey Capital and Singapore-based hedge fund manager AR Capital.

"As our firm is purely focused on asset management and we are not associated or owned by any other institution, we are finding overseas managers increasingly interested in our business," Burgess said.

The asset manager was established in 2001 and invests in boutique investment firms. Currently it supports eight managers.

One of the firm's stable of managers, RARE Infrastructure, recently set up a licence to comply with the Employee Retirement Income Security Act in the US. This allows the firm to operate as a qualified investment manager in the country's pension market sector.

"We have also developed investment platforms in Dublin, United Kingdom and the Cayman Islands," Burgess said.

He said the firm might add more managers to its business.

"We may look to add further managers to our group, particularly managers that focus in alternative assets," he said.