Data Base New Zealand businesses

We are a New Zealand based company seeking Business knowledge of public domain data. This could include list of businesses, key contacts, and contact capabilities. Any records must be in the public domain and acquired under best marketing practice. The estimated numbers of individual businesses in New Zealand are 300,000. We would also consider residential list updates providing the supply be from verified sources. The list should be already in commercial use and be validated. We would be interested in either full purchase rights or list rental within a workable supply agreement; we are also interested in regular monthly updates. It would be an advantage for the successful company to be established with past experience at corporate level and be familiar with general privacy standards and legal acceptance of data compilation. General knowledge of New Zealand would also be an advantage. First 10,000 data units