Rate moves hit the cost of borrowing, customer demand and the valuation of future cash flows. For a growing Australian company the practical consequence is a shorter runway and harder questions from lenders, which changes who you need in the finance seat.
The three channels
The cash rate set by the Reserve Bank of Australia is the reference price for money in the economy. The RBA's own account of how a change in it travels through the economy runs through borrowing costs, spending and asset prices, and inside a growing business those arrive as three distinct pressures. Direct cost is the obvious one: every dollar of variable-rate debt, every equipment lease, every invoice or trade finance facility reprices. Demand is the second: customers with mortgages and credit facilities have less to spend, and in a business-to-business setting your customers slow their own payment cycles. Valuation is the third, and for a venture-backed company it is usually the largest.
The third channel is worth spelling out because it is the least intuitive. A company whose profit sits years in the future is priced by discounting those future cash flows back to today. When the discount rate rises, distant cash flows are worth less now, and growth-stage valuations compress even though nothing about the business changed. That is why a rate cycle can reprice a funding round without a single number in the plan moving.
| Channel | What it does to a growing company | |
|---|---|---|
| Cost of debt | Immediate and visible | Variable facilities, leases and trade finance reprice. Interest cover tightens and covenant headroom shrinks before revenue changes at all. |
| Customer demand | Lagging, and easy to misread | Consumers spend less and business customers stretch their own payment terms, so it usually reaches you as slower collections before it reaches you as lost sales. |
| Cost of capital | Largest for venture-backed companies | Future cash flows are discounted harder, so growth-stage valuations compress and the terms available in a raise move without the plan changing. |
What tightens first
Working capital is usually where a rate cycle shows up before anything else. Debtor days stretch, facilities cost more to carry, and the headroom that made the funding structure comfortable stops being comfortable. That is not a forecasting problem, it is a relationship problem, and it is why the briefs I write for these businesses put real weight on it. A recent interim CFO mandate called specifically for cash flow management experience covering working capital and bank relations, with refinancing named explicitly.[1]
For earlier-stage companies the same pressure arrives as runway rather than covenant headroom. For a business up to roughly twenty staff, the finance priorities are cash runway, burn rate, fundraising readiness and systems.[2] A rate cycle compresses all four at once: the runway shortens, the raise gets harder, and the systems that were adequate when money was cheap stop being adequate when every assumption needs defending.
The mechanics of that shorter runway, and what to do about it, sit in burn rate and runway.
What it changes about who you hire
Story does not forecast interest rates and neither should your finance hire. What changes in a tightening cycle is the kind of person the seat needs. In cheap-money conditions a business can run on a finance function that reports accurately and little else. When capital costs something, the seat needs someone who can hold a conversation with a lender, defend a set of assumptions to an investor, and say no to a hiring plan with a straight face.
That is a credibility requirement rather than a technical one. What founders ask for in early-stage CFO and Head of Finance roles is direct ownership and operational experience alongside the strategic work: someone operationally focused who can act as their commercial eyes and ears, with demonstrated credibility with banks, funders or investors, who understands the pace of a high-growth environment.[3] In a low-rate market that last clause is a preference. In a tight one it is the whole brief.
If the funding conversation has become the hard part of the month, that is usually the signal. Here is when to hire a CFO and what the role is actually for.
Common questions
How do interest rates affect a business?
Through three channels. The direct cost of any variable-rate debt, lease or trade finance facility rises. Customer demand softens, which often shows up first as slower collections rather than lost sales. And the cost of capital rises, so future cash flows are discounted harder and growth-stage valuations compress. For a venture-backed company the third channel is usually the largest.
Why do rate rises hit growth companies harder?
Because their value sits further in the future. Push the discount rate up and the years-away profit that justifies the valuation is worth less today, even with the plan untouched. Established businesses earning cash now barely feel that mechanism, which is why a rate cycle can reprice a growth round and leave a profitable competitor alone.
What should a finance team do when rates rise?
Work the areas that tighten first. Debtor days stretch and facilities cost more to carry, so working capital and lender relationships need active management rather than reporting. For earlier-stage companies the same pressure arrives as runway, and the priorities become cash runway, burn rate, fundraising readiness and the systems that let assumptions be defended.
Does a rate cycle change the finance hire you need?
It changes the emphasis rather than the title. Cheap money lets a business run on a finance function that reports accurately and does little else. Once capital has a price, demonstrated credibility with banks, funders and investors stops being a nice line in the brief and becomes the reason you are hiring at all.
References
- From an interim CFO brief I worked on: the requirements included a project infrastructure background, cash flow management experience covering working capital and bank relations with refinancing called out specifically, and previous acquisition experience.
- How I frame the priorities for startups up to circa 20 staff: cash runway, burn rate, fundraising readiness and systems.
- What I see founders asking for in early-stage CFO and Head of Finance roles: direct ownership and operational experience alongside strategic work. They want someone operationally focused who can act as their commercial and strategic eyes and ears, with demonstrated credibility with banks, funders or investors, who understands the fast-paced, all-encompassing nature of high-growth environments. Tom Hunter sets out the brief he runs for these roles in an interview on the Honest Wealth Builders podcast.