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Mitre 10 New Zealand Achieves 300% ROI on SAP S/4HANA Upgrade
Discover how Tritusa partnered with Mitre 10 New Zealand to transform its SAP S/4HANA upgrade testing approach. By using Change Impact Analysis to identify exactly what changed, the organisation reduced testing effort, lowered business risk, improved governance, and accelerated delivery—achieving a 300% ROI while ensuring confidence in a business-critical SAP environment.
Case Details
The Client: Mitre 10 New Zealand
The Project: Mitre 10 New Zealand Achieves 300% ROI on SAP S/4HANA Upgrade
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Mitre 10 New Zealand Achieves 300% ROI on SAP S/4HANA Upgrade
Precision Change Impact Analysis replaces broad regression — delivering measurable, executive-level value across an 85-store retail SAP landscape.
project highlights
The Project Background
Managing Upgrade Risk Across a Nationwide Retail Operation
Mitre 10 New Zealand — the country’s largest independently owned home improvement retailer — operates 85+ stores on a deeply integrated SAP landscape spanning retail, supply chain, and finance. When the business initiated a technical upgrade from SAP S/4HANA 2021 to the 2023 release, the core challenge was defining a testing scope that was both precise and defensible.
In a retail SAP environment of this scale, upgrade defects do not stay contained:
- An undetected integration break propagates from SAP core to store-level point-of-sale systems
- Inventory replenishment and financial close are directly exposed to cascade failure
- Tolerance for production incidents is effectively zero — particularly during peak trading periods
The programme needed a system-verified answer to a direct question: what does this upgrade change, and what does it leave untouched?
The Key Challenges
Why the Conventional Approach Was Not an Option
The standard SAP upgrade testing playbook has four structural weaknesses:
- SME-driven scoping — subjective, inconsistent across squads, and impossible to audit
- Manual release note analysis — labour intensive, error-prone, and blind to landscape-specific modifications
- Default broad regression — treats all test cases as equally valid regardless of what actually changed
- Test everything' mandates — a symptom of absent data, not a risk management strategy
For Mitre 10 NZ, broad regression was untenable. Timelines were constrained by retail trading calendars, squads were distributed, and SME bandwidth was finite. The programme needed change intelligence — a system-extracted view of which objects, transactions, and integrations were genuinely affected by the 2021-to-2023 release delta
- Direct test repository alignment — maps impacted objects to existing Tosca and qTest assets for immediate scope decisions
- Pre-execution ROI quantification — provides financial evidence to support programme governance approval
- Default broad regression — treats all test cases as equally valid regardless of what actually changed
- Test everything' mandates — a symptom of absent data, not a risk management strategy
Assessment Scope
The assessment covered the complete 2021-to-2023 release delta across five dimensions:
- Custom code and configuration — every landscape-specific modification evaluated against release changes
- Data model evolution — structural changes assessed for downstream impact on test scenarios and data sets
- Transaction-level impact — each transaction classified as impacted, potentially impacted, or safe to de-scope
- Integration touchpoints — full cross system dependency mapping, RFC, BAPI, IDoc, API connections
- Fiori UI layer — end-to-end visibility aligned to the Tosca and qTest test repository
Tritusa Approach
Tricentis LiveCompare — Fully Managed by Tritusa
Mitre 10 NZ engaged Tritusa to deliver Tricentis LiveCompare under a fully managed services model — inclusive of licence, technical execution, QE governance, and executive reporting — as a single integrated engagement.
A thorough investigation of the AVD and application layers revealed that the implementation of AVD does not necessitate any code changes in the application layer. This finding was critical as it confirmed that the application could operate within the AVD environment without modifications, ensuring that the focus could remain on optimising performance and addressing other migration challenges rather than modifying application code.
LiveCompare is an enterprise SAP Change Impact Analysis (CIA) platform. It interrogates the SAP system directly, comparing object level differences across release versions to produce a verified picture of what changed, what is at risk, and what is safe to de-scope. It reads the system — not the documentation.
Why LiveCompare
- Automated object-level impact detection — authoritative delta between 2021 and 2023 releases, no manual interpretation
- Custom code and configuration analysis — surfaces landscape-specific modifications that standard release tooling cannot see
- Integration vulnerability mapping — identifies RFC, BAPI, IDoc, and API touchpoints at elevated risk, including BTP, middleware, and Commerce Cloud
- Integration touchpoints — full cross system dependency mapping, RFC, BAPI, IDoc, API connections
- Fiori UI layer — end-to-end visibility aligned to the Tosca and qTest test repository
Outputs were structured for four stakeholder audiences:
- Executive impact dashboard — for programme leadership decision-making
- QA / SIT scope recommendation report — aligned to existing test assets
- Functional impact report — for business process owners
- Integration risk register — for architecture and programme governance
Business Value
The engagement delivered measurable enterprise outcomes:
- Up to 80% cost savings compared to traditional testing approaches
- 50% reduction in QA/SIT effort through precision scoping
- 45% reduction in test maintenance effort
- 60%+ early risk detection, reducing production issues
- Improved governance with data-backed decision-making
This shifted testing from a bottleneck to a strategic enabler of transformation.
Tools Used
- Tricentis LiveCompare (Change Impact Analysis)
- Tricentis Tosca (Test Automation)
- Tricentis qTest (Test Management)
Achieved Outcome
From Broad Regression to Precision SIT — Quantified
The programme executed precision SIT scoped exclusively to impacted objects. Outcomes were measurable across cost, risk, and assurance.
Case Details
The Client: Mitre 10 New Zealand
The Project: Mitre 10 New Zealand Achieves 300% ROI on SAP S/4HANA Upgrade
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