Marks & Spencer $12M Monthly Sales Boost with Custom E-Commerce App by Advantal

Industry

E-Commerce and Retail – Mobile App & Middleware Solution.

About the Client

Marks & Spencer (M&S) is a global leader in fashion, homeware, and lifestyle. The fashion giant aimed to step into digital to offer a modern omnichannel shopping experience.

The Challenge

M&S needed to:

• Launch a cost-effective digital transformation
• Build a seamless, scalable e-commerce app
• Improve backend efficiency from inventory to order management
• Deliver a unified experience across online and offline touchpoints

Our Solution

Advantal delivered a full-stack transformation for M&S. We combined mobile and middleware technologies to future-proof M&S’s digital journey.

Mobile App Development

Cross-platform app (iOS + Android) built using React Native.

Key features:

• Real-time inventory updates
• Smooth product discovery to checkout
• Secure payments
• M&S Club: Rewards & loyalty features

Middleware Integration

We developed a powerful middleware to integrate systems like:

• Salesforce
• OMS
• RFID-based inventory
• SAP

This unified backend enabled real-time data flow and optimized order, inventory, and warehouse management.

L1 Support

Ongoing technical support ensures app stability and timely updates.

Technologies Used:

• React Native (Cross-Platform)
• Java Spring Boot (Microservices)
• Kafka
• MongoDB
• SonarQube

Results That Matter

• 7 M+ app downloads across Android and iOS
• $12 M+ monthly sales through mobile channels
• Seamless omnichannel experience via backend integration

Real-Time Insights Across Systems

• RFID inventory syncs with SAP for accurate stock updates
• App and store sales data integrate for better order management

Explore the App

📱 Android
📱 iOS