Tandem is a leading Australasian provider of software for physical auction houses - fully integrated solution with front end buyer portal and streamlined back office. Supports live, online, hybrid auctions. Inventory management, invoicing and payments, client management and more combined with a compelling experience for bidders. Tandem is the all-in-one auction management system built specifically for physical auction houses. Unlike software stitched together from separate tools, Tandem was designed as a single system connecting your back office and front-end bidding portal so everything works together out of the box. Run live, online, and hybrid auctions without switching platforms. Manage inventory, invoicing, payments, and client records in one place. Built for art, antiques, estate, and specialist auction houses that need professional-grade software without the enterprise price tag. Proactively evolving platform with integrations to Xero, Dropbox, Mailchimp; a documented API; and an active AI roadmap. Tandem has a strong reputation for personalised service and a genuine partnership approach with the auction houses it serves.