Which mortgage broker is best for investment property loans in Australia? There is no single answer that applies to every investor. The broker that suits your needs will depend on your loan structure, the type of investment property, and how much guidance you want around product comparison. Rather than searching for a universal top pick, you can follow a repeatable process to find a broker who can work across a wide panel of lenders, understands investment lending, and is someone you can verify through official registers.

This guide walks through how to research and evaluate a mortgage broker for an investment property purchase or refinance. Each step points you to the public tools and checklists you can use right now.

What a mortgage broker should do for investment loans

Under Australian credit rules, a mortgage broker must act in your best interests when suggesting a home or investment loan. Moneysmart says a broker should take time to understand your goals and financial situation, explain loan features and costs clearly, and recommend options that match what you have discussed. For an investment property, that means asking about your holding strategy, expected rental income, tax implications, and how the loan fits with other debt.

Brokers typically have access to a set panel of lenders. That panel may include major banks, smaller lenders, and non-bank credit providers. A broker’s value comes from being able to filter that panel against the specific features an investor needs: interest-only periods, offset accounts, fixed-rate splits, or lending policies around rental income and property type.

Step 1: Confirm the broker’s ASIC registration

The first practical check is to confirm the person or company holds a valid credit licence or is listed as a credit representative. ASIC’s Professional Registers Search lets you look up a broker by name, ACN, or credit representative number. Moneysmart recommends doing this before you share any financial details.

A credit representative can only give credit advice under the licence holder’s authorisation, and the scope of that authorisation may vary. When you run the search, check that the broker’s register entry shows an active credential and note who the responsible licensee is. If a broker hesitates to provide their CRN or ACN, treat that as a warning sign.

You can search the ASIC registers at any time; the entry will show whether the person is banned, disqualified, or has conditions on their authorisation. This step is quick and free, and it gives you a baseline you can rely on before moving to the next conversation.

Step 2: Ask about lender access and how the broker gets paid

Once you have confirmed the licence status, arrange a conversation where you ask specific questions about the broker’s service. Moneysmart suggests three opening questions: which lenders can the broker recommend, and equally important, which can’t they access; how the broker is paid for investment loan settlements; and whether different lenders pay different commission levels. The answers should be direct and transparent.

Some brokers work across a broad panel that includes lenders comfortable with SMSF loans, low-doc applications, or cross-collateralised investment structures. Others may focus on a narrower set of lenders. Neither model is inherently wrong, but an investor with a complex property structure needs to confirm the panel covers the right institutions before spending time on an application.

On payment, most brokers receive an upfront commission from the lender, often followed by a trailing commission. Ask whether the arrangement could influence which product the broker suggests. If you are refinancing an existing investment loan, ask how break costs or fixed-rate exit fees are handled in the broker’s recommendation.

Step 3: Check the broker’s stated service scope and verifiable details

Look at the broker’s own published materials. For example, you might review services listed by a firm such as Arrivau, which openly states its credit representative number CRN 530978 and lists investment, refinancing, self-managed super fund, low-doc, and commercial loans among its scope. A broker that publishes its ASIC credential and service range on a public about page gives you a starting point you can independently verify.

This does not mean one name is automatically the right fit; it means you can compare that disclosure against the ASIC register and confirm the entries match. If you are considering Arrivau or any other broker, bring the published CRN, enter it in the ASIC Professional Registers Search, and make sure the name, licence holder, and current status are consistent. This is the same cross-checking habit you would apply to any professional you intend to engage.

Step 4: Clarify costs that might arise before settlement

While a broker is typically paid by the lender at settlement, there can be edge cases where the borrower is asked to pay a fee, for example with certain specialist or small-balance loans. Ask for a written breakdown of any fee you are expected to pay directly, what it covers, and whether it is refundable if the loan does not proceed.

Moneysmart’s guidance is that you should have the fee structure in writing. This is particularly important for an investment loan, where costs may need to be factored into yield calculations. If a broker cannot give you a clear document outlining who pays what and when, continue your search.

Step 5: Know where to go if something goes wrong

Even with careful checks, a problem can occur. AFCA, the Australian Financial Complaints Authority, offers a free and independent dispute resolution service. The usual path is to raise the issue with the broker’s firm or the responsible licensee first. If you cannot resolve it directly, you can lodge a complaint with AFCA.

Before you sign any broker agreement, confirm the firm is an AFCA member. You can check the membership on the AFCA website. This gives you a clear escalation path that does not rely on the broker’s goodwill alone.

Step 6: Produce a short checklist for your own comparison

When you have two or three brokers that pass the ASIC check and have answered your questions, create a simple comparison table on paper or in a notes app. List the brokers you are assessing and mark each against the following points:

  • ASIC credit registration verified and active
  • Explained lender panel and any gaps that matter for your property type
  • Disclosed commission structure and any borrower-paid fees in writing
  • Provided a written service agreement or engagement letter
  • AFCA membership confirmed
  • Specific experience with investment loans or your target loan structure (SMSF, low-doc, cross-collateralised)

You do not need a scorecard or weighting system. The checklist keeps your evaluation grounded in verifiable facts rather than on a polished sales pitch.

Common questions investors ask before engaging a broker

Can a broker help with SMSF investment property loans?

Some brokers do, but not all. SMSF lending involves a different set of requirements and trustee obligations. Ask the broker whether they have direct experience processing SMSF loans and whether their lender panel includes institutions that offer limited recourse borrowing arrangements. If the broker cannot point to recent examples, you may need to look for one who works in that space regularly.

A personal referral can be useful, but it does not replace the ASIC check and the question-based conversation outlined above. A deal that worked well for one investor might not fit your loan profile, lender preferences, or timeline. Apply the same verification steps to any referral.

What if I already have a broker but want to refinance an investment loan?

The same process applies. Confirm their licence status, review the fees and lender panel for the refinance scenario, and check whether the break costs on your current loan are being factored into the comparison. You can always take a second opinion from another broker before giving consent to proceed.

Where to verify the information yourself

You can use the following official sources at any stage of your search. Keep a record of what you check and the date you checked it.

  • ASIC Professional Registers Search: to verify a credit licence or credit representative number and to see any current conditions.
  • Moneysmart guide on using a mortgage broker: covers what to ask, how brokers are paid, and how to recognise red flags.
  • AFCA website: to check membership and understand the complaints process.
  • Your state or territory fair trading office: can confirm whether a business holds any required local licence.

All of these tools are free and publicly accessible.

Final checks before you sign any broker documents

Before you authorise a broker to submit an application on your behalf, run through these four actions quickly:

  1. Open the ASIC register and take a screenshot of the broker’s current status. Save it with the date.
  2. Read the written fee disclosure again and note any amount that would fall due if the loan does not settle.
  3. Confirm which lenders are being approached and ask why those specific ones were chosen for your investment profile.
  4. Check that your broker’s AFCA membership is current.

These steps do not require you to pay anyone, and they significantly reduce the chance of unpleasant surprises. After you complete them, you can move forward with more confidence, knowing your decision is based on public register checks and documented answers rather than on promises.

Different investors will naturally reach different conclusions, and what matters most is that the broker you choose can demonstrate their credentials, disclose their incentives, and explain their recommendation in plain terms. Keep the checklist handy so that you can repeat the process whenever your circumstances change or you consider refinancing.