Key takeaways
Loan balances and trail rights are different assets
Loans belong to lenders, but contractual rights to future trail can be valuable transferable assets, measured after run-off and servicing costs under aggregator and lender terms.
Aggregator terms decide who owns the trail
Consent, retained share, first-refusal rights and what happens if the broker exits can matter more to value than any headline multiple.
Run-off is the key trail assumption
Measure actual refinancing and discharge patterns by loan cohort. Fixed-rate expiry is a risk indicator, not an automatic discharge or run-off event.
Recent upfront commission carries clawback risk
For arrangements subject to regulation 28VG, clawbacks cannot exceed two years or the original benefit, or be passed to consumers. Allocate seller-retained and buyer-assumed exposure explicitly.
New lending depends on people and referrers
Assess broker and referrer dependency and commercial origination costs. Keep new-loan earnings and associated future trail separate from existing-book net trail, allocating shared overhead once.
Value the income stream, not the loan book headline
A mortgage broking business typically earns upfront commission when a loan settles and trail commission while the loan remains outstanding. The loan book balance is not the broker’s asset: the underlying loans and loan receivables belong to lenders. However, contractual rights to receive future trail commissions may constitute valuable, transferable business assets. Their value depends on expected commission income, run-off, associated servicing costs and the broker’s rights under the applicable aggregator and lender arrangements. The costs and earnings of writing new loans are a separate activity, not part of the existing trail book alone.
Define the subject before analysing numbers. Is the sale of a trail book alone, of a broking business including its brand, staff and lead sources, or of shares in a company holding a credit licence? Identify the valuation date, the purpose and the intended users. A trail book sold to another broker and an operating business acquired as a going concern can have quite different values even when the underlying loans are the same.
Licensing and the best interests duty
Brokers engage in credit activities under an Australian credit licence or as credit representatives of a licensee, regulated by ASIC under the National Consumer Credit Protection Act. ASIC’s credit guidance explains the licensing framework. Mortgage brokers providing credit assistance in relation to regulated consumer credit are subject to the statutory best interests duty and conflict priority rule, which commenced on 1 January 2021, as described in ASIC Regulatory Guide 273.
The National Credit Act has defined application requirements; many business-purpose loans fall outside its consumer-credit regime. Do not assume these statutory duties apply identically to every commercial finance transaction.
For value, the relevance is practical. A business with documented needs analysis, file notes explaining why each loan was recommended and consistent compliance reviews presents lower risk than one where files are thin. Complaints, including those escalated to the Australian Financial Complaints Authority, and any licensee or aggregator audit findings should be reviewed before relying on historical earnings.
ASIC’s Report 840: Mortgage brokers—Review of best interests duty and complaints handling practices, released on 13 October 2026, reviewed 13 credit licensees across eight major aggregator groups. It highlighted opportunities to strengthen evidence supporting loan recommendations, supervision, monitoring and complaints handling, particularly where a recommended loan was more expensive than available alternatives. These matters are relevant to assessing a broking business’s compliance exposure, operating systems and transferable value; the review does not establish that any individual practice has breached its obligations.
Who owns the trail?
Most brokers write loans through an aggregator, which holds lender accreditations and passes commission through to the broker. The aggregator agreement may determine whether the broker owns the trail, whether it can be sold, whether the aggregator must consent, what share the aggregator retains and what happens if the broker leaves or breaches the agreement. Some agreements grant the aggregator a right of first refusal or allow trail to cease if the broker stops writing business.
These terms can matter more than any multiple. A trail book that cannot be transferred without consent, or that stops paying if the vendor exits, does not have the same value as an unencumbered income stream. Read the agreement, confirm the commission split and obtain advice on assignment before assessing value on the assumption that the trail will flow to a buyer.
The transfer of client records and personal information must also comply with applicable privacy obligations, with particular care required when client data is disclosed during due diligence or transferred to a separate purchasing entity. A share sale that leaves information within the same entity differs from a transaction involving disclosure or transfer to another entity; the applicable privacy requirements must be assessed for the actual transaction.
Signed
A clear valuation conclusion starts with an agreed purpose, relevant evidence and disclosed assumptions. The report identifies the interest valued and explains the reasoning behind its conclusion.
Run-off, refinancing and clawbacks
Trail income declines as borrowers repay, refinance or sell. The rate of run-off is the most important assumption in valuing a trail book. Analyse the loan book by settlement date, lender, loan type, balance and fixed-rate expiry. A book of recent loans in a competitive refinancing market may run off faster than an older book of stable owner-occupied loans, and loans coming off fixed rates can refinance in clusters. Fixed-rate expiry is a potential refinancing-risk indicator, not itself a loan discharge or an automatic run-off event.
Upfront commission and clawback exposure
Upfront commissions are generally paid following loan settlement but may be subject to contractual clawback provisions if the loan is repaid, refinanced or discharged within a specified period. For arrangements subject to regulation 28VG of the National Consumer Credit Protection Regulations 2010, clawback obligations must not extend beyond two years, exceed the original benefit or be passed on to the consumer.
A valuation should identify outstanding clawback exposure by loan, lender and settlement date, consider the likelihood of repayment and distinguish liabilities retained by the seller from obligations assumed by the purchaser. Contract terms and historical clawback experience inform that assessment; recent settlements do not mean every commission will be repaid.
Historical trail statements allow the actual run-off pattern to be measured rather than assumed. Monthly trail by loan cohort, combined with discharge data, supports a realistic decline curve. Interest rate movements, lender policy changes and competition from direct lending channels can alter that pattern, so the forecast should explain why history is or is not a reasonable guide.
Servicing the book has a cost
Servicing costs belong in the trail analysis too. Borrowers expect annual reviews, help with rate negotiations, variations and top-ups, and a broker who neglects the book invites refinancing through another channel. The future trail stream should therefore be measured after the staff time, software, aggregator fees and professional indemnity insurance needed to look after existing clients. A trail book bought by a broker who already has the systems to service it may justify a different assessment from one valued as a standalone income stream, but special synergies available to one purchaser do not automatically belong in a market-value conclusion.
New business, lead sources and broker dependency
An operating broking business also earns from loans not yet written. That revenue depends on lead sources: referral partners such as accountants and real estate agents, repeat clients, online enquiries and marketing spend. Identify which sources produce settled loans and whether those relationships belong to the business or to an individual broker.
Many broking businesses are built around one principal. Normalise earnings by deducting a commercial cost for the broking and management work the owner performs. Where the vendor will exit, assess how much new lending is likely to continue without them, and whether employed brokers have enforceable restraints and non-solicitation provisions. A business with documented processes, a support team and diversified referral relationships is generally more transferable.
Selecting methods that fit the evidence
Trail books are often discussed as a multiple of annual trail. That shorthand assumes a run-off profile, a commission split and transfer terms that may not apply to the book being valued, and many deals include retention-based price adjustments. A discounted cash flow that models trail by cohort, run-off, aggregator share, servicing cost and clawback exposure is usually more transparent for a trail book.
For an operating business, combine that analysis with an assessment of maintainable new-business earnings after commercial broker costs and marketing. Where an operating mortgage broking business includes both an existing trail book and continuing new-loan origination, distinguish the earnings and costs attributable to each activity:
Cash-flow components
- Existing trail book: Present value of future net trail attributable to existing loans.
- Future loan origination: Earnings and associated future trail generated by new lending activity.
- Overhead and servicing costs: Allocate consistently across existing and new-business activities, counting each cost once.
Future trail generated by new settlements must not be valued both within the existing loan book and separately through projected new-business earnings. Reconcile the combined cash flows to the whole-business forecast so that shared staff, systems and other overheads are neither omitted nor deducted twice, and treat seller-retained clawback obligations separately from purchaser-assumed obligations. The business valuation methods guide explains how to keep cash flows and rates consistent, and our guide to what drives the value of a rent roll discusses a comparable recurring-income asset.
Prepare the evidence
Prepare loan-level and transaction-specific records alongside at least two to three years of financial and operating information.
Loan-level and transaction records
- Monthly trail statements by lender reconciled to the financial accounts.
- Loan-level balances, settlement dates, commission rates and loan types.
- Historical loan discharges, refinancing and run-off by settlement cohort.
- Individual clawback exposure by loan and lender, with historical clawback experience.
- Aggregator agreements and amendments, including exit, assignment, termination and commission-retention provisions.
- Confirmation of who is entitled to receive trail after completion and how client records will be treated.
- Referral agreements, staff contracts, compliance reviews, audit findings and complaint records.
- Financial statements and operating-cost detail that distinguish existing-book servicing from new-loan origination and shared overhead.
These records support the cash-flow forecast and the treatment of liabilities, rather than merely establishing a headline loan balance. IBV™ assesses value on that evidence; assignment, licensing, privacy and contract questions should be confirmed by your legal and aggregator advisers.
Sources and further reading
Check the law, guidance and contracts applying at the valuation date. Regulatory sources explain the framework; they do not establish that a particular trail book can be assigned or will continue to pay.
ASIC: Credit — ASIC’s regulatory resources for credit licensees and credit representatives.
ASIC RG 273: Mortgage brokers—best interests duty — Guidance on the best interests duty and conflict priority rule applying from 1 January 2021.
Australian Financial Complaints Authority — The external dispute resolution scheme for complaints about credit and financial services.
ASIC REP 840: Mortgage brokers—Review of best interests duty and complaints handling practices — The October 2026 review of recommendation records, supervision and complaints handling.
National Consumer Credit Protection Regulations 2010: regulation 28VG — Clawback requirements, including their scope, two-year period, repayment cap and consumer protection; see regulation 28VG in the 5 September 2026 compilation.
OAIC: Selling a business — Privacy obligations when disclosing personal information during due diligence or transferring client records.
MFAA: The Value of Mortgage and Finance Broking 2025 — Industry context and remuneration research; it does not establish the transferability or value of a particular trail book.
Frequently asked questions
Is a trail book worth a fixed multiple of annual trail?
Multiples are a common shorthand, but they assume a run-off rate, commission split and transfer terms that may not apply. A cohort-based cash-flow analysis usually explains value more transparently.
Can I sell my trail book without my aggregator’s consent?
Contractual rights to future trail can be valuable transferable assets, even though the underlying loans belong to lenders. Transferability depends on aggregator and lender arrangements, including consent, retained shares and first-refusal rights. Obtain legal advice on assignment and applicable privacy obligations for due diligence and client-record transfers.
How is run-off estimated?
Historical trail and discharge data by settlement cohort show how quickly loans have been repaid or refinanced. Test that pattern against current interest rates and lender competition. Fixed-rate expiry is a potential refinancing-risk indicator, not an automatic discharge.
What are clawbacks and why do they matter?
Upfront commissions are generally paid following settlement but may later be subject to contractual clawback. For arrangements subject to regulation 28VG, obligations must not extend beyond two years, exceed the original benefit or be passed on to the consumer. Assess loan-level exposure and distinguish liabilities retained by the seller from those assumed by the buyer.
Does the best interests duty affect value?
Indirectly. The statutory best interests duty and conflict priority rule apply to mortgage brokers providing credit assistance in relation to regulated consumer credit, from 1 January 2021; many business-purpose loans fall outside that regime. Strong recommendation records, supervision and complaints handling help assess compliance risk and reliance on historical earnings.
How is the principal broker’s work treated?
Earnings are normalised by deducting a supportable commercial cost for the broking and management work performed, so maintainable earnings reflect what a buyer would actually pay to run the business.
Should future trail on new loans be included in the trail book value?
No. The existing book is valued on net trail attributable to loans already written. Earnings and associated trail from future settlements belong in the new-business forecast. Allocate servicing costs and shared overhead consistently, without counting future trail or costs twice.
Do referral relationships transfer with the business?
Not automatically. Referral partners may follow an individual broker. Written agreements, a shared service team and diversified sources improve transferability.
What records should we prepare?
Monthly trail statements reconciled to the accounts; loan-level balances, settlement dates, commission rates and loan types; cohort discharge and refinancing history; individual clawback exposure; aggregator exit, assignment, termination and commission-retention terms; post-completion trail entitlement and client-record treatment; referral and staff agreements, compliance records and operating-cost detail.
Does IBV™ advise on credit licensing or aggregator contracts?
No. IBV™ provides valuation analysis. Licensing, assignment and contractual questions should be confirmed by your legal advisers and aggregator.
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