Replacing a mission-critical legacy platform for a complex mobility business
AO designed and delivered a modern enterprise platform to replace a deeply embedded legacy system for a multi-entity mobility business. The programme connected customer administration, sales, applications, inventory, workshop operations, finance, documents, workflows and reporting while supporting a controlled transition from the previous environment.
- Geography
- Not publicly disclosed
- Engagement
- Enterprise platform modernisation and legacy-system replacement
- Primary outcome
- Replacement platform completed and made available for operational use
- Confidentiality
- Customer identity withheld
What was on the table
The organisation's legacy platform had become central to almost every part of its operating model. It supported customer and sales activity, asset availability, applications, vehicle administration, workshop processes, finance, documentation and management reporting. Years of business rules, exceptions and employee knowledge were embedded in the system, while the business needed to continue operating throughout the replacement. AO therefore had to modernise the technology without losing the operational knowledge, transaction traceability or cross-functional dependencies that the legacy environment had accumulated.
How we approached it
AO approached the programme as an enterprise transformation rather than a standard software installation. The team mapped connected processes, designed the target architecture, configured and extended the new platform, prepared and migrated legacy data, integrated surrounding financial and operational processes, and tested complete workflows with business users. As previously undocumented requirements emerged during realistic testing, AO separated defects, refinements, new requirements and future enhancements so that the core release could continue progressing through a controlled delivery process.
The capabilities behind the build
- 01Business discovery
- 02Process architecture
- 03Enterprise platform
- 04Data migration
- 05Systems integration
- 06Operational validation
- 07Controlled release
The operating flow
- 1
Discover the existing processes, dependencies and institutional knowledge
- 2
Map connected operational and financial workflows
- 3
Design the target platform architecture
- 4
Configure and extend the enterprise platform
- 5
Prepare, transform and migrate legacy data
- 6
Integrate surrounding systems and processes
- 7
Validate complete workflows with business users
- 8
Test with production-like data and scenarios
- 9
Prioritise defects, refinements and newly discovered requirements
- 10
Complete the controlled release and make the platform available for use
What changed
- Completed a replacement platform for a mission-critical legacy environment
- Made the new platform available for operational use
- Established a modern enterprise foundation across core operating functions
- Connected customer, sales and application processes
- Created more structured inventory and asset visibility
- Incorporated workshop and repair activity into the broader operating workflow
- Established financial-processing and reconciliation foundations
- Created controlled workflows, stages, responsibilities and approvals
- Improved the association and traceability of operational documents
- Established a consolidated basis for reporting and management oversight
- Created an extensible foundation for further digital services and automation
Under the hood
Architecture
AO designed a unified enterprise environment connecting customer and sales processes, applications, inventory and asset records, workshop activities, finance, documents, workflow controls and operational reporting. The delivery included iterative legacy-data migration, integration with surrounding financial and operational processes, role-based access and progressive end-to-end validation before release.
Integrations
- — Financial processes
- — Accounting processes
- — Document workflows
- — Operational reporting
What this engagement drew on
Customer identity withheld under confidentiality agreement. AO publishes work only in a form agreed with its clients. Where a customer has not granted naming rights, the engagement is described by industry, scale and outcome — never by identity, logo or screenshot.
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