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Saving 1,000+ Man-Hours Monthly for a UK Trustee Provider

Modernizing legacy trustee and escrow operations into a secure, cloud-native platform with end-to-end automation, precision, and regulatory compliance.

Case Studies
Project Overview

Saving 1,000+ Man-Hours Monthly for a UK Trustee Provider

Modernizing legacy trustee and escrow operations into a secure, cloud-native platform with end-to-end automation, precision, and regulatory compliance.

1k+
Man-hours Saved Monthly
1M+
Rows Processed
99.5%
System Availability
Saving 1,000+ Man-Hours Monthly for a UK Trustee Provider
Challenge

Mission-Critical Financial Processing Challenges

The client's legacy systems struggled with the scale, complexity, and sensitivity of trustee financial processing. Manual verification, rigid architectures, and limited scalability introduced operational strain and increased risk.

Zero Tolerance for Error

Trustee operations demand absolute accuracy, as even minor calculation errors can have significant financial and regulatory consequences. The transformation was shaped by four critical constraints: zero tolerance for error, highly variable client-specific business rules, the need to process files containing over one million rows, and strict security and compliance requirements.

Zero Error ToleranceVariable Business RulesLarge-Scale ProcessingSecurity & Compliance
Impact
1M+
Rows Processed
Approach

Cloud-Native Automation

Edstem designed a cloud-native, event-driven backend where complex financial processing is fully automated. The system reduces operational complexity to a single user action: uploading a file, with all downstream validation, calculation, reconciliation, and reporting handled automatically.

Technology Stack

AWS Lambda
Kafka
MongoDB
Truelayer
AWS SES
Node.js
Python
THE SOLUTION

Fully Automated Cloud-Native Platform

Edstem built a resilient, secure, and fully automated platform leveraging serverless compute, asynchronous processing, and open banking integrations. The architecture ensures guaranteed calculation precision, regulatory compliance, and the ability to process extremely large datasets without manual intervention.

Serverless Scalability

AWS Lambda provides automatic scaling and pay-per-use efficiency, enabling the platform to handle large processing spikes without infrastructure overhead.

Asynchronous Processing

Kafka enables decoupled, high-throughput batch processing, ensuring reliability and stability when handling million-row files.

Open Banking Integration

Real-time financial reconciliation is enabled through integrations with Truelayer and major UK banking institutions.

Serverless Compute

AWS Lambda automatically scales to process large workloads while maintaining cost efficiency and high availability

Kafka Processing

Event-driven, asynchronous orchestration ensures stable and reliable processing of very large financial datasets

MongoDB Storage

Flexible data models support highly variable trustee business rules while maintaining strict security controls

Open Banking

Direct integrations with UK banks enable real-time reconciliation and verification

Automated Emails

Operational events trigger notifications, improving auditability, compliance, and communication accuracy

THE RESULTS

Transformational Business Impact

The modernized platform delivered immediate and measurable improvements across efficiency, scalability, reliability, and cost control. By eliminating manual verification and automating core trustee operations, the client achieved higher accuracy, reduced operational risk, and confidence in their ability to scale securely.

1,000+
Hours Saved
Monthly
1M+
Rows Processed
Per File
99.5%
Availability
Uptime
100%
Accuracy
Precision

Before

  • Manual verification
  • Legacy system constraints
  • Limited scalability
  • Human error risk

After

  • Fully automated processing
  • One-click file uploads
  • Million-row handling
  • Guaranteed accuracy
  • No team expansion required

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