

BUUK Infrastructure
BUUK upgraded its ERP system from on-premises Dynamics AX to Dynamics 365 in the cloud, improving project, finance, procurement, sales and master data management.
A UK leader in utility infrastructure
BUUK Infrastructure is a leading independent provider of “last mile” utility networks in the UK. The company designs, builds and operates utility infrastructure networks, covering heating, electricity, gas, water and wastewater, and fibre, across England, Wales and Scotland. It serves more than 30,000 infrastructure networks and one million homes.
Project Description
BUUK used Microsoft Dynamics AX, which was approaching the end of technical support. The lack of security updates and new functionality posed a risk to application compliance and data protection. Because an ERP system does not provide a competitive advantage but remains the operational backbone of the business, BUUK decided to migrate to the latest version, Dynamics 365, before support for AX had even expired.
The project was delivered by ANEGIS, a partner that had worked with BUUK for more than ten years, first on the Dynamics AX implementation and then on its maintenance. “The key thing was that from the very beginning we wanted to build a good relationship. We wanted a trusted partner we could work closely with,” says Helen Bachu, Head of Projects at BUUK.
The project started in November 2021 and the analysis phase lasted until May 2022. The implementation took 14 months and ended with the system going live on 3 July 2023. After a two-month post-implementation phase, the ANEGIS support team took over maintenance of the system.
Challenge
- End of Microsoft technical support for Dynamics AX
- Risk to data security and application compliance
- Functionality delivered as bespoke software instead of standard system modules
- Manual, time-consuming supplier management processes with multiple control points
- Limited automation of approvals and document flow
- Incorrect and duplicate counterparty records hampering data management
- No tool for efficient export and import of data between systems
Solution
- Migration from on-premises Dynamics AX to Microsoft Dynamics 365 in the cloud, covering project management, finance, procurement, sales and master data.
- Launch of workflow approval processes in Dynamics 365, improving document flow and tracking across the organisation.
- Implementation of communication interfaces integrating Dynamics 365 with external systems and third-party software.
- Deployment of Dynamics 365’s built-in tool, the Data Management Framework (DMF), enabling direct data transfer to the data warehouse that serves as the source for BI reporting.
- Review and improvement of existing functionality and business processes during the implementation.
- Project delivered according to ANEGIS’s methodology, adapted to Dynamics 365 implementations, with an emphasis on jointly agreeing the plan, tools and procedures at the start of the project.
Benefit
- Data security and process continuity ensured by moving to a supported, cloud-based platform.
- Automated procurement processes: approval of new supplier records and amendments goes through workflow instead of manual control points.
- Tighter approval and document circulation processes thanks to workflow in Dynamics 365.
- Efficient export, import and update of data in the system using DMF.
- Fewer incorrect and duplicate counterparty records thanks to data reorganisation.
- Unified management of supplier and customer data within a global address book.
- A foundation for further automation of manual, time-consuming operational processes.
project management, finance, procurement, sales, and master data included in the implementation
the long-standing partnership between BUUK and ANEGIS, which forms the foundation of the project

The key issue was that from the very beginning, we wanted to build a strong relationship. We were looking for a trusted partner—someone we could work with closely and rely on. We already had an established relationship with ANEGIS. The level of trust was high, and ANEGIS delivered on all their promises while working on our previous product.
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Needs analysis
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Here is the step-by-step implementation process with Anegis: from analysis to post-launch support

























