Debt-Recovery & Credit-Control Tools
28 free interactive calculators, 4 document generators, 9 ready-to-use templates, and 8 plain-English guides — built for Australian businesses. Calculate what late payment is costing you, model your net recovery, draft a letter of demand — all in seconds, all at no cost.
All 49 tools
Calculators (28)
Cost of Late Payment Calculator
Find out what your overdue receivables ledger is really costing — in finance charges and staff time.
CalculatorNet Recovery Estimator
See exactly how much you keep after Merion's commission when a debt is recovered.
CalculatorRecovery ROI Calculator
Is it worth referring this debt? Compare the net benefit against doing nothing.
CalculatorCommission Estimator
Estimate Merion's likely commission rate and your net return based on debt age and face value.
CalculatorGST Calculator
Add GST to an ex-GST price or extract the GST component from a GST-inclusive amount. Australian 10% rate.
CalculatorDays Sales Outstanding (DSO) Calculator
Measure how quickly you collect from customers and benchmark your DSO against AU industry norms.
CalculatorLate Payment Fee Calculator
Calculate penalty interest on overdue invoices — contracted or statutory rates for NSW, VIC, QLD & ACT.
CalculatorPayment Plan Scheduler
Generate a full instalment schedule with due dates, interest (if applicable), and running balance.
CalculatorCredit Limit Calculator
Get a suggested credit limit for a B2B customer based on payment history, tenure, and trade references.
CalculatorLate Payment Interest Calculator
Calculate the interest accruing on an overdue invoice — simple or compound — from any start date.
CalculatorDays Overdue Calculator
Enter an invoice date and payment terms to see exactly how many days overdue it is, and what to do next.
CalculatorDebt Age Impact Calculator
See how the probability of recovering a debt falls month by month — and the cost of waiting.
CalculatorCredit Terms Advisor
Answer five questions about your customer and get a tailored payment-terms recommendation.
CalculatorWrite-Off vs Recover Calculator
Compare the real financial outcome of writing off a debt versus engaging Merion to recover it.
CalculatorAged Receivables Analyser
Enter your ageing buckets and see total receivables, % overdue, at-risk balance, weighted average age and an estimated recoverable figure.
CalculatorBad Debt Provision Calculator
Estimate a provision for doubtful debts using ageing buckets and the provision-matrix method, under AASB 9 principles.
CalculatorCash Flow Gap Calculator
Work out the working-capital gap in your cash conversion cycle — the days and dollars tied up between paying suppliers and getting paid.
CalculatorCredit Limit Suggester
Get a suggested credit limit for a B2B customer based on their spend, payment terms, trading history and payment record.
CalculatorCredit Utilisation Calculator
Check whether a customer is using too much of their credit limit. See remaining headroom and a risk band.
CalculatorCustomer Credit Risk Scorecard
Score a B2B customer's credit risk from a few inputs and get a recommended action for terms and limits.
CalculatorDebtor Concentration Risk Calculator
Measure how exposed your business is to its largest customers — the share of receivables in your top 1, 3 and 5 debtors.
CalculatorDSO Cash Release Calculator
See how much cash you free up by cutting Days Sales Outstanding, plus the interest saved on your cost of funds.
CalculatorEarly Payment Discount Calculator
Work out the true annualised cost of a prompt-payment discount such as 2/10 net 30, and compare it to your cost of funds.
CalculatorInvoice Financing Cost Calculator
Work out what invoice factoring or finance really costs — total fees, net received, and the effective annualised rate.
CalculatorPayment Plan Affordability Calculator
Work out a realistic instalment plan for an overdue debt — how long it takes to clear, or the instalment needed by a set date.
CalculatorSettlement Offer Calculator
Work out a sensible settlement range to accept on an overdue debt, based on age, debtor health, dispute and security.
CalculatorBad Debt Write-Off Tax Benefit Estimator
See what a write-off really returns — only the tax deduction's cash value — versus recovering the debt.
CalculatorDebt Recovery Decision Tool
Answer a few questions about an overdue account and get a recommended next step — demand, refer, negotiate or write off.
Generators (4)
Letter of Demand Generator
Generate a professional letter of demand for an overdue commercial invoice in seconds — fill in the details and copy the letter.
GeneratorPayment Terms & Credit Policy Generator
Generate recommended payment terms and a copy-paste terms-of-trade clause set — net days, deposits, interest and retention of title.
GeneratorPayment Reminder Sequence Generator
Generate a full escalating series of reminder emails — friendly nudge, firm reminder and final notice — from your invoice details, ready to copy and send.
GeneratorPayment Plan Agreement Generator
Turn an agreed instalment arrangement into a clear written confirmation letter — schedule worked out, missed-payment terms spelled out, ready to send.
Templates (9)
Letter of Demand Template
A professionally worded, ready-to-use letter of demand for overdue commercial invoices. Copy, customise, send.
TemplateCommercial Credit Application Template
A comprehensive credit application for B2B suppliers — captures the information you need before extending credit.
TemplatePayment Plan Template
A structured instalment agreement template for settling overdue balances by arrangement.
TemplateOverdue Account Statement Template
A formal, itemised overdue account statement to send before escalating to a letter of demand.
TemplateDirector's Personal Guarantee Template
Make individual directors personally liable for their company's debt. A comprehensive personal guarantee template.
TemplateFinal Notice Before Legal Action Template
A final formal notice to send before engaging a debt recovery agency or commencing legal proceedings.
TemplateCredit Application Checklist
A practical checklist of what to ask and check before extending credit to a new B2B customer.
TemplateCredit Terms Template (B2B Supplier)
A ready-to-use set of credit terms for Australian B2B suppliers — payment terms, interest, late fees, cost recovery and jurisdiction.
TemplateDebt Acknowledgement Letter Template
A debt acknowledgement letter for debtors to sign — acknowledges the debt and commits to a payment arrangement.
Guides (8)
How Commission-Only Recovery Pricing Works
A plain-English guide to commission-only debt recovery — what you pay, when you pay it, and why it works in your favour.
GuideReading a Debtor Ageing Report
How to read and act on an aged receivables report — the most important tool in credit management.
GuideSetting Credit Terms That Get You Paid
What to include in B2B credit terms, how to get customers to sign, and the most common mistakes to avoid.
GuideStatutory Interest on Overdue Invoices (Australia)
How statutory interest rates work on overdue invoices and court judgments in QLD, NSW, VIC, and ACT.
GuideCredit Terms — A Guide for Australian Businesses
What credit terms are, how to set them, what to include, and how to make them enforceable.
GuideHow to Reduce Debtor Days
Practical steps Australian businesses can take to reduce debtor days and speed up cash collection.
GuideUnderstanding Debt Recovery Costs in Australia
A clear breakdown of the costs of commercial recovery — DIY, commission-only agencies, solicitors and court fees.
GuideWhen to Engage a Debt Collector
How to know when it's time to refer a commercial debt — the key signs, what to prepare and what to expect.
Free tools, real numbers
Every calculator on this site runs entirely in your browser — nothing you enter is stored or transmitted. The results are indicative estimates designed to help you understand the economics of debt recovery and credit management, not financial or legal advice.
The tools are published by Merion Pty Limited, a commission-only commercial debt recovery firm. When you're ready to act, refer a debt directly — you pay nothing unless Merion collects.
- Commission model
- No recovery, no fee — you pay a percentage of what is actually collected
- Coverage
- Queensland, Victoria, New South Wales, Australian Capital Territory
- Contact
- [email protected] · (08) 6325 5761
- ACN
- 684 211 390
Ready to recover what you're owed?
Refer a debt to Merion in minutes. Commission-only — no upfront cost, no lock-in, no risk if we don't collect.