"The judges certainly had their work cut out for them, given the high calibre and number of responses. It clearly demonstrates that business innovation is thriving in our community," Ms Tattley said.
"This competition brings to the surface dedicated local entrepreneurs, and enables us to pair them with the tools, resources and expertise needed to take their start-up from concept through to application," she said.
"Opportunities like this are few and far between," said finalist Shaun Gregory, who has an idea for developing a new way of growing oysters.
Five winners, who will be announced in December, will receive business support packages to kick start their new ventures.
All 22 finalists have been invited to showcase their ideas at the Whangarei A&P show in December.