Banks Cut SME Margins to a Five-Year Low. The Bigger Number Is the 78% of Businesses That Never Asked

1. What the ABA reported

On 17 August 2026 the Australian Banking Association released Banking Australia’s Small & Medium Businesses, alongside a media release headlining stronger competition in small business lending.

The central finding is a pricing one. Margins on small and medium business loan interest rates, measured relative to the RBA cash rate, narrowed by 39 basis points across the report’s quarterly series — from roughly 310 basis points in March 2021 to roughly 271 basis points in March 2026, within a range of about 210 to 310 basis points across the period. The report attributes it directly to competition: “This narrowing has been driven by stronger competition for small business lending.”

The ABA translates that into a client-level figure: “For an SMB with a $500,000 loan, the reduction in margin equates to $1,950 in interest repayments savings annually” — which it describes as “equivalent to two weeks of pay for a minimum wage employee”.

ABA chief executive Simon Birmingham framed it as competition doing its job: “We are seeing banks compete hard to win small business customers and that is translating into more competitive pricing for those businesses. This is competition working exactly the way it should, giving owners more choice about who they bank with and more finance to reinvest.”

One note of precision. The Australian Broker write-up describes the 39 basis point narrowing as running “since peaking in late 2022”, while the report’s own chart series runs from March 2021. The 39 basis point figure is consistent across both; the start date is not. The safe formulation is a 39 basis point narrowing across the ABA’s March 2021 to March 2026 series.

2. The volume story underneath the price story

Outstanding credit to small and medium businesses reached $750 billion in April 2026, up from $567 billion in April 2023 — an increase of roughly $183 billion in three years, and a record. Birmingham: “We are seeing record amounts of lending to small businesses with $750 billion in outstanding credit.”

The bank results confirm the direction. NAB’s Q3 2026 trading update, released the same week, put Australian business lending at $352.4 billion, up 2 per cent for the quarter and 9 per cent year-on-year, with Business and Private Banking lending up 4 per cent over the quarter. Reported peer figures put CBA’s business lending up 13 per cent to $180 billion for FY26 — against $89 billion in June 2019 — and ANZ’s business and private bank loans up 4 per cent to $71 billion.

Set that beside the residential picture from the same fortnight. ABS Lending Indicators for the June quarter showed the value of new housing loan commitments down 5.2 per cent, and NAB’s own update reported home loan applications down 15 per cent quarterly and 16 per cent year-on-year.

3. The number nobody is quoting

Buried in the report is the figure that should reframe how brokers think about this market.

Over a three-year period, 22 per cent of small and medium businesses sought financing. Of those that applied, 81 per cent were approved. Twenty-seven per cent reported faster approval times than previously.

Put those together. Roughly four in five businesses that ask for credit get it. And roughly four in five businesses never ask.

That is not a credit supply problem. It is a distribution and awareness problem — which is precisely the problem the broker channel exists to solve. In residential lending, brokers arrange the substantial majority of new mortgages because borrowers do not want to navigate lender panels themselves. The same logic applies with more force to a business owner who has no idea whether they would qualify, does not know what their own numbers look like to a credit team, and assumes the answer is no.

The report also notes that 98 per cent of SMBs hold at least one banking product and about two-thirds prefer mostly or entirely digital interactions. So the relationship exists. The credit conversation does not.

4. Who these businesses actually are

Scale matters here, because “SME lending” conjures an image that is mostly wrong.

Australia had 2,724,326 actively trading businesses at June 2025. Businesses with fewer than 20 employees are 97.3 per cent of that total. The composition breaks down as approximately 1.74 million non-employing businesses, 688,870 with one to four employees, 232,129 with five to 19, and 67,857 with 20 to 199. Collectively they generated around $1 trillion in gross value added in 2024–25.

The dominant category, by a wide margin, is the sole trader with no employees. That is the tradesperson, the consultant, the allied health practitioner, the online retailer. It is also, very often, someone already sitting in a residential broker’s database with a home loan, a car loan and an ABN they have never mentioned in a finance conversation.

This is the practical bridge. You do not need a commercial book to start. You need to know which of your existing residential clients run a business, and to ask them a question nobody else has asked.

5. What the banks are competing with

If you are going to have the conversation, know what the client can already access without you.

The report cites NAB’s QuickBiz as an example of the digital unsecured end of the market: loans from $5,000 to $250,000, approval in 15 to 20 minutes, funds within one business day. That product class is fast, unsecured and priced accordingly.

Where a broker adds value is at the point where speed stops being the main variable — a secured facility priced off property, a restructure that consolidates a mess of ad hoc facilities, an equipment or vehicle line, or a working capital facility sized to a real cash cycle rather than to whatever the online form offered. The margin narrowing the ABA describes applies to that secured, relationship-priced end of the market, not to a 20-minute unsecured approval.

There is also a policy layer worth knowing: the NRFC Economic Resilience Program provides $1 billion in zero-interest loans of up to $5 million per business, for businesses with turnover up to $100 million.

And there is a risk conversation that opens doors. The report notes that one in five businesses experienced a cyber incident, four in five have been exposed to scams — 82 per cent in the past year — and that banks invested $2.5 billion in scam and fraud prevention in FY2025. For a broker, that is a legitimate, non-salesy reason to contact a business client this quarter.

6. The compliance boundary, stated plainly

Diversifying into business lending changes your obligations, and it is worth being precise about how.

Credit provided wholly or predominantly for business purposes generally sits outside the National Credit Code, which means the Best Interests Duty does not attach to it in the way it does to regulated credit assistance. That is a narrower carve-out than it sounds. It does not remove your obligations under your licence or your aggregator’s standards, it does not remove general conduct obligations, and it certainly does not remove the practical reality that most of these clients also hold regulated credit with you.

ASIC Commissioner Alan Kirkland’s framing at the MFAA conference on 22 July 2026 is the useful standard regardless of which side of the line a loan falls: “If the reasons for a recommendation are boilerplate factors that could apply to anyone, then it will be hard to demonstrate that the recommendation was in that customer’s best interests.” ASIC expects to publish its best interests duty report in the final quarter of this calendar year.

The operational points are mundane and important: confirm your accreditations before you promise anything, establish and record the actual business purpose of the credit rather than relying on a declaration, and keep the reasoning on any regulated file standing on its own.

7. Mining your existing book: a five-step approach

This is a database exercise, not a marketing campaign. It can be started this week without spending anything.

1. Identify the business owners you already have. Filter your CRM for self-employed income, ABN references, company or trust borrowers, and any client whose employer field matches their surname. You will find more than you expect.
2. Segment by what they are likely to need. A sole trader tradesperson needs vehicle and equipment finance. A practice owner needs fit-out and working capital. A retailer needs inventory and cash-cycle funding. Generic outreach converts badly; specific outreach does not.
3. Lead with the price change, not with a product. The ABA’s own figure — roughly $1,950 a year on a $500,000 facility — is a concrete, sourced reason to review an existing business facility. That is a better opening than “do you need finance?”
4. Ask the question that produces the 78 per cent. Not “do you want a business loan”, but “when did you last have anyone actually look at how your business is funded?” Most owners have never been asked, which is the whole point of the participation gap.
5. Build one referral relationship before you need it. An accountant who sees these clients’ numbers monthly is the single highest-value referral partner in this segment. Approach them with the ABA data, not with a request for leads.

8. What to watch next

• Whether the margin narrowing continues — the ABA series ends at March 2026, and the RBA has hiked three times this year.
• Bank full-year disclosures on business lending growth, which have been running well ahead of home lending across the majors.
• ASIC’s best interests duty report, due in the final quarter of this calendar year.
• Whether the participation rate moves — if the share of SMBs seeking finance rises off 22 per cent, competition for those clients will intensify quickly.
• Non-bank and private lending appetite in the SME segment, which has been expanding through aggregator white-label programs.