Key takeaways
Link every important valuation claim to supporting records
Buyers and their advisers need to follow important claims back to the records that support them. Create an index showing the source, reporting period and responsible person for each major input, keeping original records and explanations of differences rather than relying on presentation spreadsheets alone.
Explain what is changing beneath the profit total
Stable annual profit can hide a shift from repeat, higher-margin orders to less profitable work. Break down sales and margins where records allow, explaining whether changes came from prices, sales volumes or the mix of customers and products, and disclose where estimates were needed.
Show which proposed profit adjustments have reliable support
Removing an expense from reported profit needs an explanation of why it would not continue under new ownership. Record each proposed adjustment, its evidence and any disagreement, distinguishing genuinely non-recurring costs from irregular but necessary spending such as major equipment repairs.
Keep unresolved sale issues visible until evidence arrives
An expiring customer contract or missing record should remain an open issue, not become a favourable assumption in the sale presentation. Maintain a shared log of the evidence needed, responsible adviser and temporary assumption, recognising that seller preparation does not replace the buyer’s own investigation.
Give buyers consistent answers and track every update
Different explanations from the owner, accountant and transaction advisers can make an otherwise clear evidence package difficult to follow. Use a dated question log and preserve earlier versions when records change, without implying that organised management information has been audited or must be accepted by buyers.
Focus on the seller’s evidence
Vendor-side valuation preparation examines whether the records supporting value are coherent and explainable. It is not simply a more optimistic asking-price exercise. Agree which financial and commercial inputs will be reviewed, who may receive the output and whether the intended deliverable is a valuation report or an issue-focused assessment supporting the owner’s transaction preparation.
Organise a consistent financial story
Bring together statutory accounts, management reporting, revenue detail and supporting evidence for adjustments. Reconcile differences between reporting periods and explain changes in accounting presentation. Buyers are likely to question claims that cannot be traced to records, particularly where the proposed value relies on unusual add-backs, recent growth or margins not yet reflected across a complete trading cycle.
Examine transfer-related vulnerabilities
Customer concentration, owner dependence, expiring leases and related-party arrangements can affect the earnings a purchaser receives. The analysis can identify where an assumption needs stronger support or a separate professional review. It should not certify every contract or liability, and it should distinguish issues that influence value from those requiring legal, operational or tax investigation before marketing.

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.
Deliver an evidence-led assessment
The proposed output can explain maintainable earnings, valuation drivers and information gaps within the agreed scope. Supporting schedules should make adjustments understandable to the owner and advisers. Where external sharing is contemplated, agree reliance and permitted use before circulation; a report prepared for the seller is not automatically a report on which every prospective buyer may rely.
Keep assurance limits visible
Valuation-related due diligence is not an audit, a complete verification of the business or a guarantee of sale proceeds. Buyers may reach different conclusions or request their own investigations. For a narrower price-reference instruction, consider selling-a-business valuation; transaction documentation and disclosure obligations should remain with the owner’s appropriately qualified legal and accounting advisers.
Build a traceable evidence architecture
Vendor preparation becomes useful when another adviser can follow a claim from the sale narrative to the underlying record. Create an evidence index organised around material valuation inputs, not simply folders labelled accounts and contracts. For each input, identify the document, reporting period, responsible person and any reconciliation needed. The index should show where evidence is absent as clearly as where it is available.
Government valuation guidance identifies financial, legal and operational records as relevant inputs. 1 Turn that broad collection into a practical chain: reported revenue to management ledger, ledger to sales analysis, and explanations for differences. Retain the original extracts when preparing presentation schedules. A clean spreadsheet is helpful, but it should not become the only surviving record of how an adjustment was constructed.
Explain changes in the composition of profit
A stable annual profit can conceal a changing business. Analyse revenue and gross margin by product, location or customer group where the records support it. Identify whether growth came from price increases, additional volume, a one-off order or a different mix of work. Describe the commercial mechanism rather than attaching a growth label to every increase.
For a hypothetical distributor, total sales may remain unchanged while higher-margin repeat orders decline and lower-margin project work expands. A buyer looking only at annual turnover could miss the shift. Prepare a bridge showing volume, price and mix effects, with estimation methods disclosed where exact attribution is unavailable. This is seller-side evidence preparation: its purpose is to make the history intelligible before a purchaser challenges the valuation narrative.
Maintain a defensible register of proposed adjustments
Give every proposed earnings adjustment its own entry. Record the amount, accounting location, commercial reason, supporting documents and expected treatment under new ownership. Separate an expense that genuinely will not recur from an expense that is unusual but necessary. A major repair may happen irregularly while still representing a recurring economic cost of maintaining productive equipment.
Use a status field such as supported, partly supported or unresolved. Do not remove a difficult item merely because it weakens the preferred earnings figure. If management disagrees with an adviser's treatment, retain the alternative views and their consequences. A buyer can then understand the sensitivity without discovering an unexplained revision halfway through negotiations. The register also prevents different versions of an information memorandum from quietly using different adjusted profit figures.
Run an exceptions process rather than polishing away problems
Create a single issues log for matters that could change valuation inputs. Each entry should describe the issue, documents needed, responsible adviser and interim assumption. Keep factual corrections separate from proposed commercial solutions. An expiring customer agreement is a fact; obtaining a new contract is an action whose outcome should not be presumed.
Business Queensland's due diligence guidance describes investigation of contracts, financial records, expenses and operations. 2 Use those purchaser concerns to anticipate evidence requests, not to claim that vendor preparation has completed a buyer's investigation. An issue remains open until the relevant evidence or specialist conclusion is available. Record unresolved exposure honestly, even where no reliable numerical adjustment can yet be made.
Before releasing material, agree a controlled process for questions and updates. Maintain a dated answer log so the owner, accountant and transaction advisers do not give incompatible explanations to different parties. When a source schedule changes, identify the affected conclusions and preserve the previous version. These controls support a consistent evidence package; they do not convert management records into audited information or guarantee that a purchaser will accept the seller's preferred treatment. A clear exception trail is often more useful than an apparently flawless presentation that cannot withstand detailed questioning.
Scope, fees and timing
See our fixed-fee valuation packages and confirm the scope and fee before commissioning work. Confirm the purpose, intended users, information requirements and inclusions in a written engagement before work begins. Calculated Value and Limited Scope delivery is 5–7 business days from complete financial information and a signed engagement. Full Conclusion timing is confirmed individually in the engagement letter. Specialist requirements or changes to the instruction may affect suitability and timing; confirm these before relying on an external deadline.
Sources and further reading
Frequently asked questions
How does vendor due diligence differ from choosing a sale price?
The focus is on the evidence supporting your earnings and value narrative before buyers challenge it. The engagement may examine selected valuation inputs and identify gaps, rather than simply supply an asking price. Agree whether you need an issue-focused assessment or a valuation report, and which records and procedures will support that deliverable.
What belongs in the valuation section of my sale data room?
Include financial statements, management accounts, explanations of adjustments, asset registers and key operating agreements. Keep versions consistent and identify the period each document covers. Access and confidentiality arrangements should be agreed with your advisers. A well-organised collection helps explain value, but it does not itself verify every document or remove the need for buyer enquiries.
What happens if management accounts do not match statutory accounts?
Provide reconciliations and explain timing differences, reclassifications and accounting adjustments rather than selecting whichever figure looks strongest. The work can examine agreed differences relevant to earnings and value. Unresolved inconsistencies should be disclosed as limitations or further enquiries, not hidden within an adjusted profit number that buyers cannot trace to the underlying records.
How much support is needed for my proposed earnings adjustments?
Prepare a schedule showing each adjustment, its amount, the relevant period and supporting records. Explain why the cost or income would not recur for a buyer. Also identify replacement expenses. The assessment should distinguish supported normalisation from optimistic assumptions, particularly where several individually small adjustments combine to produce a material change in value.
Can this work identify issues before buyers request a discount?
It can highlight valuation-sensitive matters within the agreed scope, such as customer concentration, owner dependence or unexplained earnings movements. That gives you an opportunity to assemble evidence or obtain specialist advice. It does not guarantee that buyers will stop requesting discounts, or that every commercial, legal and financial issue has been discovered.
How should related-party rent and family wages be presented?
Show the actual arrangements and provide evidence of the services or premises supplied. Sustainable earnings may require adjustments where recorded charges differ from commercial replacement costs. Do not assume that all family remuneration is discretionary or that rent-free premises remain available after sale. Document the proposed post-sale arrangements so the assessment reflects the package offered.
Can buyers rely on a report commissioned by the vendor?
Not automatically. Intended users, permitted circulation and reliance terms must be settled in the engagement before sharing the report. A buyer may need separate instructions or their own investigation. Making a report available in a data room does not turn a seller-focused valuation into assurance for every person who downloads it.
Does vendor due diligence provide an audit opinion on the accounts?
No. Valuation-related procedures are not an audit unless a separate, appropriate assurance engagement has been agreed. The report should explain what was examined and what remains unverified. Buyers and their advisers may still investigate earnings, liabilities and contracts independently, even where the vendor has provided clear schedules and a professionally prepared valuation.
When should the evidence pack be refreshed during a sale campaign?
Refresh it when material trading, contractual or funding changes could alter the valuation narrative. Keep the effective valuation date distinct from later updates and explain which information was available at that date. New management accounts may support an update, but they should not silently replace the historical evidence underlying an earlier report.
How do we scope vendor work before opening the data room?
Describe the intended sale, expected buyer questions, available reconciliations and planned sharing arrangements. IBV will agree the deliverable and a Fixed Professional Fee upfront. Standard delivery is 5–7 business days after complete records and signed engagement. Allow separate time for your advisers to resolve issues identified during the work. This 5–7 business-day timetable applies to Calculated Value and Limited Scope only; Full Conclusion delivery is confirmed individually in the engagement letter.

A clear, independent view of value — with the evidence behind it.
- Understand the conclusion — and what drives value.
- Gain an independent perspective. Move forward with confidence.
- Benchmark your business against industry performance.
- Identify strengths, risks and opportunities through SWOT analysis.
WHAT YOU GET IN A LIMITED SCOPE VALUATION REPORT
Inside your IBV™ report
Executive Summary
Conclusion of value · Method selected · Valuer qualifications
Detailed Report
Maintainable earnings · Cap rate / multiple · Premise of value
The Evidence Pack
SWOT analysis · Top Performers Report · RAVDA score
APES 225 voluntarily aligned. Report depth and supporting analysis follow your agreed package and engagement scope.
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