One supplier—
—every step of the way

About JMC Steel Group

With over 20 years of experience, JMC Steel Group is a reliable partner in the metal fabrication and construction industries. We provide high-quality solutions to professionals throughout North Zealand and the Greater Copenhagen area—from our manufacturing facilities in Poland to installation by our own teams in Denmark.

One supplier—from start to finish

We manage the entire value chain in-house. Our structures are manufactured at our factory in the EU by certified specialists, and our Danish team ensures the project is successfully completed. We handle design, production, quality assurance, logistics, and installation ourselves. This means less coordination for you—and far greater control over quality and delivery times.

Quality and collaboration at the core

For us, it’s not just about steel—it’s about finding the best solution. That’s why we place a high value on dialogue and collaboration. We maintain close contact with all parties involved in the project so we can deliver what creates the most value: durable structures that work in practice and harmonize with architecture, safety, and functionality.

Efficiency with a Big-Picture View

We know how important it is to get things right on site. That’s why we plan in detail and deliver on time – every time. With our own assembly department and logistics management, we ensure an efficient and smooth process. You don’t have to worry about delays, unforeseen extra costs or insecure subcontractors. We’ve got it covered – from start to finish.

Meet the team

🇩🇰 Denmark

Jacob Mortensen
CEO/Director
Helle Sidal
Director of Finance and Human Resources
Lucas Lier Hansen
Project Manager
Ahmad Ali
Project Manager
Kalle Sidal Mortensen
Project Coordinator

Meet the Team

🇵🇱 Poland

Piotr Nowak
Production Manager
Mateusz Bednarek
Project Manager
Natalia Kupczyk
Project Manager
Dawid Dynakowski
Technical Draftsman
Jacek Jermak
Production Engineer/Quality Assurance Specialist
Karolina Gappa Skłodowska
Technical Draftsman
Katarzyna Mastela
Administrative Specialist
Joanna Żerek
Manager of Financial Operations and Analysis
Michał Kupniewski
Technical Draftsman
Przemysław Pacyk
Quality assurance specialist for documentation
Wojciech Nowak
Paint Shop and Assembly Department Manager
Arkadiusz Wasilewski
Quality Controller

“At JMC Steel, we don’t compromise – neither on the quality of our solutions nor on the collaboration with our customers. We have gathered the entire value chain under one roof because we know that control, precision and trust is what creates results in steel.”
– Jacob Mortensen, CEO, JMC Steel