Overview

Engagement overview

TO THE NEW partnered with a leading global tax advisory, assurance, and consulting firm to modernize its digital compliance platforms. The client needed a scalable solution to address growing complexities in GST filing, Customs Tax, and Transfer Pricing, while ensuring smooth integration with government systems and reliable performance during peak usage.

TO THE NEW developed a multi-tenant SaaS-based platform designed to handle large-scale data processing and high concurrency. The solution not only simplified filing and reconciliation but also improved compliance management, enabling the client to deliver faster, more accurate, and efficient tax services to its customers.

Our Client

Consulting Global
The client is a leading global professional services firm offering tax, assurance, and consulting solutions to diverse industries worldwide. Renowned for its innovative approach to tax services, the organization combines deep technical knowledge with decades of expertise to deliver high-quality outcomes. It helps enterprises reimagine the role of tax, driving strategic value and positioning them at the forefront of compliance and transformation. By leveraging technology and digital innovation, the firm simplifies complex tax operations and enables smarter decision-making.
JCU Building

Business Objective

The client wanted to modernize its GST filing and compliance platform to overcome scalability and performance bottlenecks. The key objectives included:
01

Integration with the government’s GST systems for periodic and on-demand data exchange

02

Performing large-scale reconciliations between ERP and GST data

03

Scaling infrastructure to process terabytes of data and handle thousands of concurrent users in real-time

04

Eliminating inefficiencies caused by monolithic architecture and on-premise reconciliations

05

Enabling modular, service-oriented design to support future scalability

Our solutions

TO THE NEW designed and implemented a multi-tenant SaaS platform for GST filing in India, connected with GST Suvidha Provider (GSP) for government GSTN integration.

  • Developed a multi-tenant SaaS platform for GST filing that ensured scalability, resilience, and efficient compliance management

  • Built the solution on a microservices-based architecture, enabling modular development, API-first integration, and high-performance scalability

  • Enabled real-time event publishing and synchronization through reactive datastores and servers, ensuring seamless reconciliation and faster compliance processes

  • Designed a modern, reactive UI using WebSockets and pub/sub frameworks to support thousands of concurrent users with real-time updates

  • Ensured cloud-agnostic deployment by enabling seamless operations across AWS, Azure, and on-premise hybrid infrastructures

  • Optimized the database schema to handle billions of records annually and deliver reliable performance during peak usage

  • Implemented custom CI/CD pipelines to streamline deployments, accelerate release velocity, and eliminate distribution-related challenges

  • Established a comprehensive testing framework covering unit, automated, performance, and penetration testing to guarantee robustness and quality

Business Outcomes

The engagement delivered measurable business impact.

3B+ records processed annually with high performance and reliability

Significant reduction in time to prepare, reconcile, and file GST returns

Enhanced tax compliance through advanced analytics and reporting

Streamlined compliance management for Customs and DGFT operations

Optimized transfer pricing compliance, saving time and resources while enabling data-driven decision-making

Tech Stack

  • Frontend
  • Backend
  • Cloud & Infra
  • CI/CD & DevOps
Frontend
Backend
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DevOps