Cadbury has sold the brand and assets of Mother Earth snack foods to Hamilton-based company Prolife Foods Ltd for an undisclosed sum.
The buyer said it plans to expand Mother Earth's existing range and "take the brand into new categories".
The Mother Earth brand includes a rangeof wrapped snacks including muesli bars, fruit sticks and oaty slices.
Cadbury recently announced its Dunedin factory, which currently produces Mother Earth, will concentrate on the production of chocolate assortments.
Prolife Foods said it has total sales revenue of $65-$70 million and 300 staff.
In a statement it said it is among New Zealand's largest privately owned and operated food businesses, and one of the largest importers, manufacturers and marketers of nuts, dried fruit, healthy snacks, cereals and confectionery.