ActiveQuote's software provides information on specialist health and protection insurance products.
It has won four contracts to operate price comparison sites on behalf of online businesses, such as uSwitch.
The Welsh government will provide Â£600,000 to back the firm.
It was established by Dr Richard Theo who has a PhD in computer networks from Cardiff University.
More than 70 jobs are being created by a Cardiff Bay finance firm which acts as an online insurance broker and provides data for price comparison websites.