Knowledge Base
Group Purchasing Organization (GPO)
A group purchasing organization (GPO) is an entity that pools the purchasing volume of many member companies to negotiate discounted supplier contracts that no single member could win alone.
How GPOs work in multifamily
A GPO signs contracts with suppliers — MRO distributors, appliance manufacturers, flooring and paint vendors — and offers its members the negotiated rates. The member keeps buying directly from the supplier; the GPO's contract sets the price, and the GPO is typically compensated through supplier fees or member dues. For small and mid-size operators, a GPO substitutes for volume they do not have: a smaller portfolio buys at rates closer to what a much larger one could negotiate alone. Membership usually costs little upfront, which is why it is one of the first purchasing moves growing operators make.
What a GPO does not solve
A GPO discount is a discount off a particular supplier's price — it is not proof that the discounted price is the best available price for that item. Contract rates also age: items get substituted, list prices climb beneath fixed discount percentages, and off-contract items ride along at full price. The only way to know whether GPO pricing is actually winning is to check what was paid, item by item, against other verified suppliers — the comparison shown in multifamily supplier price comparison. Membership is a tool, not an answer.
How to tell if your GPO is delivering
Ignore reported savings figures that come from comparing contract rates to list prices — almost nobody pays list. Instead, take a quarter of real invoices and price the actual items purchased against the open market. If the GPO contract wins on the items the property genuinely buys, at the quantities it buys them, the membership is earning its keep. If it does not, the discount was theoretical. The Benchmark runs exactly this test as a byproduct of pricing every invoice line a property paid, GPO items included.
Related terms
Start with one property and one quarter
Send us a quarter of invoices and we will show you what it should have cost. If there is nothing there, we will tell you that too.
