One of the first questions agents ask about a conjunction is simple: how is the commission split? The answer is that there is no fixed rule, the split is whatever the two agencies agree. But "whatever you agree" still needs to be fair, clear, and documented, or it becomes a dispute waiting to happen.
How conjunction commission splits work
In a conjunction, the total commission paid by the vendor stays the same. It is then divided between the listing agency and the agency that introduced the buyer, according to an agreed ratio. The vendor's obligation does not change, only how the agents share the proceeds. For the wider context, see our complete guide to real estate conjunctions.
Common split ratios
- 50/50: the most common split, reflecting roughly equal contribution, the listing agent holds the authority and runs the campaign; the conjuncting agent brings and manages the buyer.
- 60/40 or 70/30: used when one side carries more of the workload, for example the listing agent handles all marketing, negotiation and vendor management.
- Custom splits: any ratio the parties agree, depending on who does what.
What makes a split "fair"
A fair split reflects each party's real contribution: who holds the authority, who runs the campaign, who sourced and manages the buyer, and who carries the marketing costs. There is no industry-mandated percentage, so the test is whether both parties feel the split matches the effort and risk involved.
Do not forget GST and the payment trigger
Your agreement should state whether the split amounts include or exclude GST, and exactly when commission is earned and payable, usually on settlement. Ambiguity here is a frequent source of friction. We cover the documentation essentials in conjunction agreements explained.
Document the split before the deal moves
The split, the trigger and the GST treatment must all be recorded in a signed conjunction agreement before the buyer progresses. Agreeing it verbally and sorting the detail "later" is how agents end up in commission disputes.
Set your split clearly with BuyFinder
BuyFinder lets you set your conjunction terms and commission split up front, execute the agreement digitally, and keep one clear record of the deal, so the split is locked in and disputes are designed out. See how it works or add your listing to get started.