This paper presents an application implemented at Inland Revenue, New Zealand that enables users to access data seamlessly from different types of databases. It was developed to provide our investigators the ability to get comprehensive information about a business entity or a group of entities. The solution presented so far has been implemented using relational, semantic and document databases. It allows its users to pose fairly complex queries on the mentioned databases and retrieve results without having to know the specific query languages. Up to this point, it supports the presentation of results in graph and tabular formats.