Guardian Trust - - - The New Zealand Guardian Trust Company Limited (Guardian Trust) is a wholly owned subsidiary of Suncorp-Metway, a leading banking, insurance and financial services company. - - - Guardian Trust is empowered by a special act of Parliament, which facilitated the merging of the trust operations of South British Guardian Trust, formed in 1882, and the NZI Trust Department, authorised as a trustee company in 1916. The primary operation of these companies was as trustee, acting for their clients in the growth and protection of their wealth. This continues to be the core competency of Guardian Trust today.