Houseful is a British residential property software, data, and insight company that owns brands like Zoopla, Hometrack, Alto, Primelocation, and Calcasa, providing solutions for estate agents, lenders, housebuilders, and consumers. It operates across Homes, Software, and Data and Risk units, powering over half of UK housing transactions and leading in automated valuations (AVMs). The company holds a dominant market position in the UK property technology sector, owned by Silver Lake Partners.[1][2][3]