Welcome to the Cat Door Company Ltd. We are a MOBILE Auckland based cat door and dog door specialist. We provide a professional, reliable service as your satisfaction is important to us! Word of mouth and repeat customers are the backbone of our company. Since 1980 we have had experience in fitting Cat and Dog Doors into Glass and Wood. Over this time, we have gained a wealth of knowledge providing the best pet doors on the market. …Let Us Find The Purr-Fect Pet Flap To Liberate Your Pet.