When operational security matters, both the implementation and the people behind it must be trustworthy.
At HD, quality is, security and traceability are woven in. Clear procedures, qualified staff and certified management systems support professional and reliable execution – from preparation to delivery.
HD certifications confirm the professional framework and culture of quality which the business is based on, and provide clients with greater confidence in the execution of projects.
Quality is not an accident. In projects where safety, durability and operational reliability are important, it is essential to be able to trust that the correct procedures are followed at every step.
At HD, quality requirements are part of our daily work. Documented procedures, regular quality control and the continuous development of expertise contribute to consistent working practices and professional execution.
Quality at HD is based on, among other things:
The safe execution of tasks is fundamental to HD's operations. Risks are assessed before work commences and tasks are planned with regard to the conditions, equipment, and the requirements applicable to each worksite.
Through targeted training, clear procedures, regular monitoring and continuous improvement, HD works to create a safe working environment for staff, partners and clients.
Safety is part of HD's culture – not just procedures.
HD operates in accordance with internationally recognised standards that support quality, safety and traceability in its operations. The certifications confirm that its management systems, production processes and working practices meet the specified requirements.
For customers, this means, among other things:
HD is certified to ISO 9001 by BSI (British Standards Institution).
ISO 9001 is an international standard for quality management systems that supports clear process control, consistent working practices and continuous improvement in all of the company's activities.
The certification covers HD's operations and confirms that the company operates according to defined and documented processes with an emphasis on quality, service and customer needs.
Download ISO 9001 certificate – pdf
HD has decades of experience in projects where welding work plays a key role. The company is certified according to ISO 3834-2 by TÜV Nord.
The certification supports the safe and professional execution of projects where the quality of welding work and reliability are crucial.
The standard defines quality requirements for welding work and includes, among other things:
The certification supports the safe and professional execution of projects where the quality of welding work and reliability are crucial.
Download ISO 3834-2 certificate
HD is certified according to EN 1090 by TÜV Nord and is authorised to CE-mark steel structures.
The certification covers all execution classes, EXC1–EXC4, and enables HD to produce everything from simple steelwork to complex structural works for civil engineering and industry, such as bridges, high-voltage pylons and major industrial projects.
The standard specifies requirements for production processes, quality control, documentation and traceability, and confirms that the production meets recognised European requirements.
For customers, this means, among other things:
Apply for EN 1090 certification
HD has begun preparations for the implementation of ISO 14001, an international standard for environmental management.
With the implementation, environmental management will become a more targeted part of HD's daily operations. The emphasis will be on, among other things, better use of resources, less waste, responsible handling of waste and chemicals, reduced environmental impact, and continuous improvement.
The implementation of ISO 14001 is the next step in the ongoing development of HD's management systems and supports more responsible and sustainable operations.
HD's quality work extends beyond management systems and certified production. The company has expertise in the field of Situation analysis and Non-destructive tests (NDT) which support the safer and more reliable operation of equipment and facilities.
With regular inspections and measurements, deviations can be detected before they develop into costly failures, extending the lifespan of equipment and reducing operational risk.
HD offers, among other things:
Customers can access HD's main certificates and certificates of conformity for download here.
