ArcelorMittal Bremen – Document Management System
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ArcelorMittal Bremen digitised 400,000 documents with OneDMS.
Together with the LM IT Services AG one of the largest steel plants in Germany has created a system landscape that has grown organically over time through a centralized, scalable document management platform based on Microsoft SharePoint Online superseded.
Our belief
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The project down to the last detail
From a diversified system mix to a common platform.
Six steps show where ArcelorMittal Bremen stood, what we have changed together, and what of that still applies in everyday life today.
Two systems for one task.
Over many years, two document management systems from different providers were developed in parallel at the Bremen location. Both systems contained a large part of the document repository that the departments rely on in their daily work.
The systems could no longer keep up with the requirements.
The system landscape worked, but it no longer matched what a modern industrial site expects from its document management system.
Rising costs
License and maintenance costs grew – and fell for two platforms.
Hard to adjust
New technical requirements were difficult to implement.
Looking away from search and AI
Modern search and AI functions were only possible with a significant amount of effort.
Double effort, hampered further development.
In everyday life, this meant primarily additional effort – in the operation of the systems and in the workflows of the departments.
- Budget tied to parallel operationTwo systems had to be licensed, maintained and monitored. These resources were lacking for further development.
- Processes with breaksTesting, approval, and revision processes could not be automated consistently.
- Unexploited potentialNew capabilities such as intelligent search or AI-powered features remained practically out of reach.
A platform that is designed from a technical perspective.
Our mission: The project is managed from a business perspective. The departments provide the direction, and the technology follows suit.
- Bring both systems together on a central platform in Microsoft SharePoint Online
- Lower license and operating costs
- Automate document processes consistently
- Easy operation for the departments
- Open to modern search and AI features
After 17 months, it is still running as planned.
In May 2026, OneDMS went into operation as planned. In the subsequent hypercare phase, we will continue to support the users.
New to the work routine: a comment system for documents, the linking of documents with each other, and templates that automatically take over the metadata.
What has changed for ArcelorMittal Bremen.
The difference is not only reflected in the technology itself, but also in the way the departments work with their documents today.
- Two parallel systems with their own maintenanceA central platform within the existing Microsoft 365 environment
- Manually-intensive approvals and revisionsThe four-eye inspection and the re-submission of overdue revisions are carried out automatically.
- Double license and maintenance costsCosts for parallel operation are eliminated
- AI can only be integrated with considerable effortPlatform prepared for AI-powered features
Our approach
Peer-to-peer collaboration between the business department and IT.
Instead of imposing requirements, we developed them together — in short, agile sprints, with continuous feedback and a governance that steers the business, not IT.
The project team
Two teams, one goal.
Over 17 months, the ArcelorMittal Bremen’s departments and IT teams worked closely with the project team of LM IT Services AG — from the requirements analysis to the successful rollout.
Project phases
„What particularly impressed me about the project was the way we collaborated. Thanks to the agile approach with short sprints, we were able to move things forward quickly and, if necessary, make adjustments easily. This enabled us to closely align the technical requirements with the implementation. The collaboration with LM IT was always professional, flexible, and collaborative.“Mike Döbler — Head of IT Department, ArcelorMittal Bremen
„Managing an IT project from within the business has worked brilliantly — a game-changer for our future at ArcelorMittal! Many thanks for the excellent collaboration with LM IT!“Eike Kohlmetz-Jebram — Head of IMS & Governance, ArcelorMittal Bremen
Objectives & Solution
A platform with a clear focus
As part of the project, a unified platform was built that combines document structures, metadata, permissions, and automated processes into a single solution — technically on Microsoft SharePoint Online within the Microsoft 365 cloud, specifically extended to meet the specific requirements of ArcelorMittal Bremen.
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Microsoft technologies used
Microsoft partner status
Excellent Microsoft expertise for your project
LM IT Services AG counts as part of AXAITRA Group to the exclusive circle of Microsoft Frontier Partner in Germany — complemented by several Microsoft Solutions Partner awards. This very same expertise forms the foundation for projects such as the OneDMS-platform by ArcelorMittal Bremen.
Implementation in detail
Modern control and automation
Power Apps created individual user interfaces for everyday work — including a comment system for documents, linking DMS documents together, and automated document templates with metadata capture. Power Automate and Azure Logic Apps take on the complete document lifecycle: from creation to review using the four-eyes principle, to automatic re-submission for timely revisions and archiving.
Large-scale migration
Around 400,000 documents were migrated from the legacy systems. Individual migration scripts automatically transferred documents, metadata, and version histories into the new platform in a secure manner.
150 automated workflows
Power Automate and Azure Logic Apps control the entire document lifecycle — from creation through review and approval processes in a four-eye principle to automatic re-submission and archiving.
600+ trained users
Around 600 users were prepared for the new way of working through training courses, workshops and accompanying measures.
26 technical requirements
Throughout the entire project period, 26 technical requirements were implemented — the result is a central solution with uniform structures and clear authorization concepts.
Successful launch — and what follows
Go-live in May 2026 — transitioned to operations on schedule.
In the subsequent Hypercare phase, the users will continue to be supported and the platform will be continuously developed. OneDMS creates the foundation for more efficient document management, sustainable cost reduction, and further digitization initiatives at ArcelorMittal Bremen.
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Thanks to its modern architecture, the platform is already designed to integrate AI-based functions and further automation potential in the future.
Central, scalable platform
Several existing document management systems have been consolidated — with clear authorization concepts and modern search and management functions.
Reference for further reading
The complete customer reference as a PDF.
All details about the OneDMS project at ArcelorMittal Bremen — compactly prepared for downloading, printing or forwarding. Available free of charge in German and English.
About LM IT Services AG
LM IT Services AG assists companies in their digital transformation and supports them in the implementation of modern IT solutions. The company’s main focus areas include Microsoft technologies, cloud solutions, modern work, data platforms, artificial intelligence, software development, and managed services.
About ArcelorMittal Bremen
ArcelorMittal Bremen is one of the largest steel sites in Germany and part of the world-leading steel and mining company ArcelorMittal. At the Bremen site, high-quality flat steel products are manufactured for various industrial sectors, including the automotive, construction and packaging industries.
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