Case studies

How custom middleware put HubSpot at the centre of CPG's sales stack

Written by Geff Harper | Oct 21, 2026, 3:35:24 AM

Campbell Property Group (CPG) is a family-owned residential developer with five business units: Clarendon Homes NSW, Clarendon Homes QLD, Domaine Homes, CPG Estates and home loan brokerage Loan Market Elevate (LME). Engaging.io built the custom middleware that connects HubSpot to the four specialist platforms behind every CPG sale.