The claim
Material public and corporate claims needed a traceable evidentiary record.
Case 10 · Selected Work · Financial Evidence Assurance
Case 10 · Sasol Limited Financial-Statement Reality Assessment
A real public-source case showing how Aperture tests financial reporting, internal-control disclosures, cash conversion, assumption-sensitive valuations, competing explanations and the limits of responsible reliance.
Case type: Independent public-source demonstrationClient status: Not a client engagementReview status: Published public-source demonstrationSite review: 21 August 2026
Full public PDF available
Open the underlying public document, not only the website preview.
This case has a directly accessible public PDF. The website page is an orientation layer; the linked document provides the full published research record or principal dossier.
Decision structure
What this case was really testing
The uncertainty
Complex reporting and independent corroboration could create false confidence.
What had to be tested
Original-source availability, chronology, calculations, public records and material contradiction.
Decision relevance
Whether the public record supported the conclusion at the level of confidence being expressed.
PUBLIC PORTFOLIO CASE STUDY · COMPLETE PUBLIC DOCUMENT ACCESS
Inspect the complete public case record.
Start with the Principal Dossier for the long-form case record. The supporting documents below expose the published evidence products individually so a prospective client can inspect exactly what an Aperture case output contains.
PRIMARY LONG-FORM DOCUMENT
Principal Investigative Dossier
Full published long-form dossier for this case. This is the first document to inspect when evaluating the depth, structure and evidentiary treatment of Aperture's work.
Supporting public case documents
Principal Investigative Dossier · Public Web Edition
The fuller public technical record, including evidence boundaries, direct source controls, competing explanations and reliance limits.
Public Portfolio Edition
Open the document in your browser to inspect the complete published file, or download the same PDF for offline review.
Right of Reply Request
Open the document in your browser to inspect the complete published file, or download the same PDF for offline review.
Download the complete public case document set
One convenience ZIP containing every PDF displayed in this public library. Individual PDFs remain directly inspectable above.
Public proof, protected process. These are the published case documents intended for client inspection. Proprietary internal control logic, prompts, thresholds, internal QA architecture and other protected operating materials are not part of the public case library.
Why this matter matters
A clean audit opinion and ineffective internal controls can exist at the same time.
The case tests whether Sasol Limited's reported financial position, performance and cash generation are sufficiently robust and controlled for responsible reliance, and where accounting weaknesses, anomalies, material control deficiencies, valuation assumptions or cash-flow quality limit that reliance.
The work is an independent public-source case study, not a client engagement.
Publication status
Public Edition · Right-of-Reply Window Closed
Evidence cut-off: 8 August 2026. Publication record updated: 21 August 2026.
Sasol was offered an opportunity to respond. No substantive response was received by the stated deadline of 14 August 2026. No adverse inference is drawn from the absence of a response.
This public-source case study is not a statutory audit, professional accounting opinion, legal opinion or investment recommendation. High-consequence specialist reliance remains subject to appropriate qualified review.
Decision question
What can actually be relied upon?
Financial statements and controls
The FY2025 consolidated financial statements received an unqualified audit opinion, while management concluded that ICFR was ineffective and KPMG expressed an adverse opinion on ICFR effectiveness. The case keeps those distinct assurance conclusions separate.
Cash and economic quality
The assessment tests operating cash generation, working capital, the contribution of the Transnet settlement to headline free cash flow, and whether evidence supports a durable financial turnaround.
High-sensitivity estimates
Impairments, environmental provisions, deferred tax and other forward-looking estimates are examined with explicit specialist-review boundaries where public evidence is insufficient for high-consequence reliance.
Principal findings and limits
Conditional reliance
The dossier classifies Sasol's FY2025 financial statements as suitable for conditional reliance. The clean audit opinion does not erase the significance of ineffective internal financial controls.
No unsupported accusation
No reviewed public evidence establishes fraud, deliberate earnings manipulation or a required FY2025 restatement. Anomalies and control weaknesses are not converted into accusations without evidence.
Specialist boundary remains visible
Aperture's review is complete within its public-source scope. High-consequence reliance on impairment, deferred tax, environmental provisions, Level 3 valuation or audit-control conclusions requires appropriately qualified specialist input and is not claimed by Aperture.
What the case demonstrates
Financial evidence assurance without pretending to perform a statutory audit.
- financial-statement and regulatory-source control
- internal-control chronology
- calculation and sensitivity review
- cash-conversion and working-capital analysis
- contradiction and counter-evidence testing
- competing-hypothesis analysis
- reliance classification and specialist escalation
- right-of-reply and publication controls
Professional boundary
This is not a statutory audit, audit opinion, legal opinion, investment recommendation or specialist certification.
Aperture's work is complete within the stated public-source scope. Where a separate regulated accounting, audit, valuation or legal opinion would be required for a user's particular high-consequence purpose, Aperture does not simulate that authority.
What could change the assessment?
Later audited FY2026 results and Form 20-F evidence, closure or persistence of material weaknesses, any restatement or significant audit adjustment, specialist recalculation, or substantive contrary evidence supplied through the right-of-reply process could change a fact, confidence classification or reliance assessment.
Client relevance
See the same method applied to a financial reporting problem.
A commissioned client matter can use the same controlled logic while being scoped to the client's actual transaction, board decision, investment question, governance concern or risk exposure.