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Alexander Dennis Ltd drive improved supplier performance
Alexander Dennis Limited (ADL), the UK’s leading bus and coach manufacturer, sought to enhance their supplier performance and streamline business management processes. With Ideagen, ADL centralized their supplier management, improved data visibility, and standardized processes across their global operations.

Up to 20% faster reporting

Enhanced audit quality
Improved data traceability

Ideagen Quality Management
Trusted by more than 6,000 customers worldwide to digitalize their quality management processes and comply with industry standards.
View solutionIntroduction
Alexander Dennis Limited (ADL) employs around 2,000 people at facilities in the UK, continental Asia, and North America. The company provides vehicles to major operators such as Stagecoach, First Group, and Abellio, and is the fastest-growing bus and coach builder in Western Europe.
The challenge
- Disparate supplier management systems across different sites
- Lack of centralized data for supplier performance evaluation
- Need for a scalable solution to manage business and compliance requirements
The solution
ADL selected Ideagen Quality Management for its:
- Centralized platform to manage all supplier issues group-wide
- Reporting functionality to evaluate supplier performance and drive root cause analysis
- Ability to integrate and streamline various business management processes
Implementation and impact
Before, ADL faced challenges with managing suppliers due to disparate systems across different sites. The transition to Ideagen provided a centralized, scalable solution that enhanced supplier performance, improved data visibility, and standardized processes.
This transformation enabled ADL to drive continuous improvement and maintain high-quality standards:
- Replaced previous versions with a centralized system, providing several databases for business and compliance requirements
- Implemented a dedicated Supplier Quality Assurance (SQA) database, applying a common approach to supplier-related quality issues
- Enabled 400 suppliers to access the reporting portal, expediting issue resolution and communication
- Established group-wide KPIs, providing visibility of supplier performance and helping to drive continuous improvement
- Standardized supplier management processes across all sites, ensuring consistent quality and performance
The reporting functionality has enabled us to evaluate suppliers’ performance by identifying repeat failures, driving root cause analysis and fault categorisation.
Andy Gourlay, Business Systems Manager, Alexander Dennis Ltd
Real results
Ideagen Quality Management has significantly enhanced Alexander Dennis Ltd’s supplier management and performance, ensuring better efficiency, control, and standardization across their global operations:
Enabled 400 suppliers to access and respond to issues via the Q-Pulse Web Reporting Portal.
Established group-wide key performance indicators for the first time.
Standardized supplier management across all sites, driving continuous improvement.
Ideagen Quality Management
Trusted by more than 6,000 customers worldwide to digitalize their quality management processes and comply with industry standards.
View solutionAbout Alexander Dennis Ltd
Alexander Dennis Limited (ADL) is the UK’s leading bus and coach manufacturer, providing vehicles to major operators such as Stagecoach, First Group, and Abellio. With facilities in the UK, continental Asia, and North America, ADL is the fastest-growing bus and coach builder in Western Europe.
- Founded 2004
- Headquarters: Larbert, United Kingdom

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