It became Tower Corporation in 1987 at a time when several New Zealand government departments and organisations were being corporatised or converted into state-owned enterprises.

[1] Being a mutual caused difficulties in raising capital and nine years later, in 1999, Tower demutualised and listed on the Australian and New Zealand stock exchanges.

[2] Seven years later, in November 2006, Tower's Australian and New Zealand operations were separated with the approval of its shareholders and the high court.

Originally founding its Head Office in Dunedin in 1873, the National Insurance Company had now grown its operations throughout the world.

[16] In October 2022, Tower began piloting a parametric insurance product,[17] Cyclone Response Cover in Fiji, in collaboration with the United Nations Capital Development Fund (UNCDF).

[24] Tower’s head office is located in a 6 Green Star building on Fanshawe Street, Auckland.

This is in addition to Tower’s recent acquisitions of Club Marine, ANZs insurance business and a small Westpac legacy portfolio.

[35] Tower's current partnerships include: A unique (in New Zealand) feature of the Government Life office was its use of custom postage stamps, first issued in 1891.

This was the result of a dispute between the office and the New Zealand Post and Telegraph Department over the correct calculation of postage costs.