Roiteks (otherwise known as Green Oak Limited) is not registered on the Financial Service Providers Register to provide financial services in New Zealand. FMA stated that is concerned that the operations of the entity bear the hallmarks of a scam. They also, strongly recommend that you do not deal with the entity. They also note the warning by Australian Securities and Investments Commission (ASIC) in relation to this entity which can be accessed via the following link; https://www.moneysmart.gov.au/scams/companies-you-should-not-deal-with/unlicensed-companies-list/g/green-oak-ltd