I found a thread from 2009 with some negative feedback https://www.geekzone.co.nz/forums.asp?forumid=48&topicid=54027
And the odd comment from 2012 like
Yeah, you are wrong. They had to fight the banks off (settled on NZHL btw, amazing outfit). Also dont forget there are 3 salaries backing this up, the rents are cream.
Potentially looking at moving our mortgage from a more traditional bank to these guys...