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Case Study
How Tech Mahindra streamlined global tax compliance and e-invoicing with ONESOURCE
Overview
Tech Mahindra, the fifth-largest IT company in India with revenues of USD 6.5 billion, operates in over 100 jurisdictions worldwide. Managing such a vast and diverse tax landscape posed a significant challenge for the company’s global tax team. By adopting Thomson Reuters’ ONESOURCE Indirect Tax, e-invoicing, and Tax Provision solutions, Tech Mahindra has automated key processes, reduced manual workloads, improved compliance accuracy, and achieved measurable cost savings.
Map your needs clearly, evaluate all market options, and calculate the ROI. If your goals include automation, maintaining an audit-ready repository, and freeing up your team for strategic work, ONESOURCE is the best solution.
The Challenge
With operations all over the world, Tech Mahindra’s tax team faced the challenge of ensuring compliance with constantly evolving tax regulations, handling large transaction volumes, and meeting jurisdiction-specific requirements.
Before ONESOURCE, processes were largely manual, leading to:
- Heavy reliance on individual expertise
- Higher risk of human error
- Time-consuming repetitive work
- High dependency on external consultants for filings
- Difficulty in keeping up with regulatory changes in real time.
Additionally, new global e-invoicing mandates and complex U.S. tax provisioning requirements increased the need for a robust, future-ready solution.
The Solution
After a detailed market evaluation in 2016, Tech Mahindra selected Thomson Reuters’ ONESOURCE for its:
- Extensive country coverage aligned with the company’s global presence
- Real-time content updates to prevent business disruption
- Integration of Indirect Tax Compliance, Determination, e-invoicing, and Tax Provision into one platform
The implementation started with Indirect Tax automation and expanded to:
- Phased e-invoicing rollout by country based on mandate timelines
- U.S. Tax Provisioning to manage multi-entity, multi-state complexities with precision
Implementation & Adoption
End-users first tested the system for comfort and functionality. Decision-making then moved through:
- Tax leadership reviewing capabilities and ROI
- CIO/technical team assessing implementation feasibility
- Procurement and CFO approval based on a solid business case
Key drivers included:
- ROI from reduced external consultancy fees
- Automation freeing team bandwidth for strategic work
- Improved compliance accuracy and audit readiness
The Results
Since adopting ONESOURCE, Tech Mahindra has achieved:
- Cost Reduction – 50% cost reduction
- Increased Efficiency – Tax teams focus on strategic analysis instead of routine compliance
- Improved Compliance Accuracy – Real-time updates and correct transaction mapping
- Enhanced Audit Efficiency – Centralised, reliable data repository for quick audit response
- Streamlined e-invoicing – Lower error and rejection rates in key markets such as India
- Robust U.S. Tax Provisioning – Full form coverage and accurate calculations for all entities
Unexpected Benefits
- Future-proofed compliance with seamless transition from Indirect Tax to e-invoicing
- Discovery of additional U.S. tax compliance requirements through complete form coverage
Looking Ahead
With Tech Mahindra’s continued growth, ONESOURCE will:
- Scale alongside increasing transaction volumes
- Support compliance in new jurisdictions
- Remain the central platform for tax operations worldwide
