Bayleys has announced an "elite sponsorship arrangement" with Make-A-Wish New Zealand as it prepares to grant its 2000th wish later this month.
Make-A-Wish New Zealand will now become the firm's principal charity in what it hopes will be a long-term partnership generating hope, strength and joy in the lives of many more children.
The charity aims to make the impossible possible by granting the wishes of children suffering from life threatening conditions.
Bayleys Foundation general manager Sue Stanaway said those young people were forced to grow up too fast and were "often robbed of much of the fun that goes with being a child".
"They are thrown into a scary and adult world and often spend months enduring countless medical treatments and operations.