Chadwicks Group took on an ambitious modernization project with the goal of preserving a 40-year investment in technological architecture. Successfully reaching the halfway mark, with critical milestones now in the rear view mirror, Chadwicks Group has won the InterSystems Impact Award for Global Supply Chain at the READY 2026 Conference, a highly coveted recognition that speaks to the size, scale, and significance of this modernization initiative.
Chadwicks Group, Ireland’s leading builders’ merchant with over 50 locations nationwide, has long relied on a legacy ERP system—Accustar—that had been developed and refined over 40 years. While the system contained decades of proven business logic and operational knowledge, it was built on a terminal-based “green screen” interface that could no longer meet modern expectations for usability, scalability, cloud readiness, or device independence.
Chadwicks faced a critical challenge: updating a mission-critical ERP platform without losing 40 years of intellectual capital embedded in the legacy system. They had one important thing in their favor: Accustar leveraged the InterSystems IRIS data platform, which gave Chadwicks the ability to scale, grow, and modernize Accustar without rebuilding it from scratch — thereby preserving all the legacy business logic and data. The InterSystems IRIS data platform had served them well for 40 years, and with this upgrade, it stands poised to serve them another 40 years into the future.
After a highly selective search for a partner to help with this transformation, Chadwicks chose J2 to lead the phased ERP modernization initiative, turning Accustar into AccuPRO — a cloud-hosted, web-enabled ERP platform designed to enable Chadwicks to remain a leader in their industry.
The first phase of the project focused heavily on discovering what was possible. The user experience and user interface were the most significant parts of the modernization project, with a heavy emphasis on intuitive usability. While Accustar was well-loved by its users, it did require an extensive learning curve, and one of the goals of modernization was an easier, more streamlined user onboarding process with minimal training. The approach began with a highly successful pilot focused on finance and credit control screens, validating the modernization strategy and establishing a repeatable model for expanding across additional modules. Following the success of the initial pilot, Chadwicks expanded the engagement, continuing to modernize additional workflows and infrastructure components.
Through their collaborations, Chadwicks and J2 developed a modern, responsive, and device-independent user interface while preserving the core Accustar business logic that Chadwicks had relied on for decades. Remaining on the InterSystems IRIS data platform, AccuPRO exposes legacy functionality through RESTful APIs and a responsive Angular-based interface, enabling secure access across desktops, tablets, and mobile devices. J2 has provided end-to-end technical leadership throughout the engagement, modernizing critical business areas including credit control, financials, inventory, purchasing, logistics, and quotations.
While the project is only about halfway to completion, it is reaching key milestones in 2026. As each module of Accustar is modernized, AccuPRO is delivering a dramatically improved user experience for back-office and branch teams, supported by secure, scalable, and highly available cloud infrastructure. The modern architecture enables faster innovation through APIs and DevOps practices while providing a flexible foundation for business expansion and evolving operational needs. Today, AccuPRO stands as a resilient, modern ERP platform that supports Chadwicks’ scale, complexity, and growth ambitions, with J2 Interactive continuing as a trusted long-term modernization partner.
The InterSystems Impact Award for Global Supply Chain is a fitting recognition for a project that proves modernization doesn’t have to mean starting over. For Chadwicks and J2 Interactive, it’s validation that preserving what works — while boldly building what’s next — is not just possible, it’s a competitive advantage. As AccuPRO continues to expand across Chadwicks’ operations, the award serves as a reminder that the most impactful transformations aren’t measured in lines of new code but in the seamless continuity of a business that never missed a beat.
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