TESI
Extending a locked-in legacy ERP when the vendor no longer provides source access.
TESI relied on a proprietary PCsoft ERP installation without source code. AllBLUE mapped the running system, rebuilt critical vendor and purchase capabilities, and introduced governed AI features—without disrupting daily manufacturing operations.
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TESI
Environment
Proprietary PCsoft ERP
Core challenge
No vendor source access
AllBLUE role
Analysis through module delivery
A client product, strengthened by All Blue.
Engagement type
Legacy ERP analysis, module development, and AI integration
Manufacturers locked into aging ERP platforms often cannot wait for a full replacement. TESI needed new vendor and purchase workflows plus practical AI assistance inside a system they could not modify through normal channels. AllBLUE took a controlled modernization path: understand the live system, isolate extension boundaries, deliver new modules with clear ownership, and integrate AI where it creates operational value.
All Blue service mix
The client challenge
The system problem behind the brief.
The business depended on a legacy ERP that could not be extended through conventional development. New procurement workflows and AI assistance had to fit the existing operational reality—not a hypothetical replacement project.
Our mandate
Deliver new vendor and purchase capabilities and practical AI integration on top of the existing ERP footprint—while preserving operational continuity and creating a path for further improvement.
How All Blue helped
The engagement moved through five connected phases.
Each phase produced tangible system artifacts and reduced a different category of product or engineering risk.
System discovery
Mapped live workflows, data relationships, integration points, and the boundaries where safe extension was possible.
Module design
Defined vendor and purchase journeys, ownership rules, approvals, and the records required by finance and operations.
Controlled implementation
Built and validated new capabilities in stages with reconciliation checkpoints against the legacy environment.
AI integration
Introduced governed AI assistance for document handling, lookup, and workflow support with explicit human oversight.
Stabilization
Supported adoption, exception handling, and a backlog for the next wave of modernization decisions.
Major workstreams
The contribution was broader than feature delivery.
All Blue worked across the product, technical, data, and operating layers required to make the client system coherent.
Transformation map
What changed because of the intervention.
This view connects the original constraint to the specific All Blue contribution and the stronger system state it enabled.
Critical procurement workarounds outside the ERP
Vendor and purchase modules engineered against real workflows
Resulting capability
Procurement activity moves through governed system paths
Legacy platform treated as immovable
Extension strategy with explicit boundaries and validation
Resulting capability
The organization can improve the system incrementally
AI discussed as a future initiative
Governed AI features tied to document and lookup work
Resulting capability
Teams gain assistance without losing operational control
Replacement treated as the only option
Phased modernization roadmap with measurable stages
Resulting capability
Leadership can choose the next investment with evidence
Client workflow infographic
How our contribution moves through the client’s operating flow.
The table shows the need at each stage, what All Blue added, and the product behavior that contribution made possible.
| Workflow stage | Client need | All Blue contribution | System result |
|---|---|---|---|
01Operational discovery | Understand what the legacy ERP actually controls today. | Mapped live processes, data ownership, and safe extension points before committing to build scope. | A shared picture of where modernization can start without breaking production. |
02Vendor onboarding | Manage suppliers with consistent records and approvals. | Designed vendor masters, qualification steps, and role-aware workflows. | Supplier information and actions stay inside accountable system paths. |
03Purchase execution | Move requests through approval and fulfillment reliably. | Built purchase workflows with validation, status visibility, and finance alignment. | Procurement teams work from one operational record instead of parallel tools. |
04AI-assisted review | Reduce repetitive document and lookup work safely. | Integrated governed AI assistance with explicit review for consequential decisions. | Teams save time while retaining human accountability. |
05Continuous improvement | Decide what to modernize next with evidence. | Left a prioritized backlog connected to business risk and operating value. | Modernization becomes a managed program—not a one-time project. |
Architecture contribution
Responsibilities connected from experience to operation.
Each layer has a distinct role, a defined implementation path, and a clear relationship to the layers around it.
Legacy core
Existing ERP operational record
Proprietary PCsoft environment, controlled touchpoints
Extension modules
Vendor and purchase capabilities
Workflow-specific services aligned to legacy data paths
Integration
Synchronized business state
Validated adapters, reconciliation, error handling
Intelligence
Governed AI assistance
Document workflows, retrieval, human review queues
Operations
Release and support rhythm
Staged rollout, monitoring, exception management
What we delivered
Tangible product and engineering artifacts.
Legacy system behavior and extension map
Vendor management module
Purchase processing module
Governed AI assistance workflows
Validation and reconciliation framework
Phased modernization roadmap
Adoption and support playbook
Major impact
The durable capability the client gained.
These outcomes focus on the system-level change created by the engagement without inventing unsupported vanity metrics.
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