Commission income arrives in lumps tied to settlements while costs land every month, so mortgage brokers need a written budget that plans for both. A budget sets the annual plan; a forecast uses current pipeline data to estimate what will actually happen in the next few months. Run the two side by side and you can see whether fixed costs, your own pay and growth spending are covered before the money is gone.
The strategies below cover measurable goals, trimming avoidable overheads, splitting income deliberately and keeping tax money aside. Treat every percentage as adjustable to your brokerage’s stage rather than copying a fixed formula.
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Start with goals you can measure
A budget needs numbers to aim at. Set specific annual targets: revenue per quarter, cost per funded loan and marketing spend as a share of income are three worth starting with. Write them down, then compare actual results against your forecast monthly.
Revise targets when settlement volumes shift instead of abandoning the plan. A target that no longer matches market conditions tells you nothing; an adjusted one keeps the budget honest through the year.
Cut the quiet overspend
Overheads drift upward when nobody reviews them. Unused software subscriptions, insurance policies renewed on autopilot and utility contracts priced for a previous year all qualify. Put every recurring charge on one list once a year, then cancel what you stopped using and seek quotes on the rest.
The common mistake here is keeping a premium tool because cancelling feels like a step backwards. If a subscription has not earned its cost in six months, the money belongs in your reserve or growth budget.
Split income on purpose
Percentage splits such as 50% operating costs, 25% growth and 25% reserves give a new brokerage a starting shape. They are a guide, not a rule: a solo broker working from home carries far lower fixed costs than a team with offices, and commission timing changes what each month can bear. Whatever split you choose, fund growth deliberately, including professional development, instead of letting whatever is left over decide.
Review the split whenever your cost base changes materially. A hire, a move or a new lead source should update the budget the same week, not wait for the next financial year.
Have you checked your trail book for missing trail?
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Keep tax money out of reach
Set aside the GST you collect, PAYG withholding and superannuation amounts as cash flow lands, not when the BAS or super due date arrives. Moving these amounts into a separate account on receipt removes the temptation to spend tax money on shortfalls elsewhere.
This habit matters most in a commission business, where a large settlement can make a thin month look healthier than it is. The tax component was never yours to spend.
Build a reserve you can run on
Aim for a cash buffer measured in months of operating expenses. Three to six months is a commonly cited benchmark; the right figure depends on your fixed commitments and how settled your pipeline is. Contribute a fixed percentage of each settlement until you get there, and define in advance what counts as an emergency withdrawal so the fund survives its first bad quarter.
Bring in help where it pays
An accountant or adviser who understands commission-based income can spot problems in your structure long before you do, particularly around tax planning and paying yourself consistently. Before engaging anyone, check their registration or licensing through the public ASIC registers and ask for experience with brokerages specifically.
Let software do the tracking
accounting software automates invoicing, expense capture and reporting, which removes hours of manual work each month. Your Customer Relationship Management system adds the forward view: pipeline by stage tells you which settlements are likely to land this quarter and which months will run thin.
A tool records what happened and projects what might; decisions still come from a person reading the numbers. Review reports manually each month for trends the dashboards miss, such as a creeping category of spending or clients drifting to longer settlement timelines.
Keep borrowing ideas from peers
Networking with other brokers surfaces approaches you will not find in a textbook, from how peers size their reserves to which overheads they cut first. Industry workshops and association events often include sessions on business finances; one structural idea applied well can repay the ticket price many times over.
Your next step
This week, work out your average monthly operating cost from the last two quarters, open a separate account for tax set-asides if you do not already have one, and list every recurring subscription with its renewal date. Cancel the one you would not buy again today. Those three actions take under two hours and give your budget a real starting point.

