Commercial projects move fast, leases end quickly, and handovers rarely allow room for confusion. That is why understanding the difference between defit, makegood, and fitout matters long before tools hit the floor. These services are often grouped together, yet each plays a very different role in how a commercial space begins, ends, or resets for the next occupant. This guide breaks it down clearly, with a practical focus for Perth businesses, landlords, and project managers who want fewer surprises and cleaner outcomes.