Setting
Sun Pharma (noted as a leading pharmaceutical company with ~USD 5B annual revenue in the document) operated across multiple enterprise tools and vendors—Oracle Netsuite, ERPNext, Tally, QuickBooks, Salesforce, and custom applications—creating a fragmented landscape that directly impacted order processing efficiency.
The real problem
Fragmentation created four practical failures:
- data integrity issues and discrepancies
- communication barriers across teams
- order management delays, especially in purchase order processing
- increased technical debt and IT spending due to complexity and duplicated effort
In enterprise order processing, these issues compound: every delay creates follow-ups, manual reconciliation, and escalations that inflate operational cost and risk.
The decision moment
Before building, the programme began with a structured consulting phase: engaging internal teams and vendors, gathering requirements with stakeholders, auditing infrastructure, mapping data/workflow paths, benchmarking, and collecting end-user feedback.
This is a critical point: large organisations rarely fail because they lack tools. They fail because they do not align systems to actual workflows and ownership.
Implementation thinking
Execution focused on building integrated order-processing applications while preserving existing backend realities. Key engineering decisions included:
- designing an integrated architecture plan and providing boilerplate aligned to the current fragmented stack
- implementing microservice architecture for integration, modularity, and safer evolution
Migration was handled through a phased transition model: training and support, gradual rollout, and continuous feedback iteration to reduce disruption and ensure adoption.
Operational impact
The case study reports measurable and practical outcomes:
- improved order processing with reduced delays and errors
- reduced IT spending by lowering the need for additional teams
- improved cross-team communication
- a reported 35% increase in net order value after implementation, attributed to efficiency and automation gains
Strategic takeaway
Enterprise modernisation succeeds when integration is treated as a workflow problem, not a middleware problem. This engagement focused on rebuilding order-processing reliability through structured discovery, microservice-based integration, and controlled rollout that protected the business while change was introduced.