ISO 19443 certified company

ISO 19443 - Certified Company: Excellence in the Nuclear Sector

Your Trusted Partner across Nuclear Manufacturing and Maintenance

What does certification to ISO 19443 really mean?

ISO 19443 is an international standard specifically tailored for Quality Management Systems in the nuclear sector, including nuclear suppliers and subcontractors. It sets rigorous and specific requirements for the application of safety, reliability, and regulatory compliance in the supply chain of nuclear projects.

The certification focuses on risk management, process efficiency, and continuous improvement, aiming to enhance the quality and safety of nuclear products and services.

Interweld Nuclear Services is a fully incorporated Joint Venture which is majority owned by Intermarine UK. By working with our joint venture partners Allweld Nuclear & Industrial, Interweld Nuclear Services will support Civil Nuclear Newbuild projects and ongoing maintenance across nuclear power generation fleets in the UK and Europe. The company operates an ISO 19443 accredited management system and joined the Nuclear Industry Association in 2024.

By achieving ISO 19443 certification, we demonstrate our commitment to adhering to high-quality standards, fostering trust and confidence among our clients and stakeholders.

Two vessels moored at a dock with multiple cranes and industrial structures in the background.

Benefits of ISO 19443

Best practice in quality

Our commitment to improving safety and quality throughout the supply chain of the nuclear industry makes us a safe choice as a supplier of nuclear products and services, demonstrated by our quality and reliability.

Enhanced risk management

With the many regulatory requirements specific to the nuclear energy sector, ISO 19443 provides a structured approach to identifying and mitigating risks. This ensures services that both meet customer needs and are robust and resilient against potential disruptions.

Services that meet customer expectations

Clients and partners can trust that Intermarine UK adheres to globally recognised international standards for quality, fostering stronger relationships and higher levels of customer satisfaction.

Employee engagement & morale

Being part of a certified organisation with specific requirements of the nuclear processes instills a sense of pride and motivation among employees, leading to higher levels of engagement and productivity.

Continuous improvement

This accreditation was designed to improve the safety and the reliability of your processes throughout the nuclear supply chain - on an ongoing basis. In turn this creates an important safety culture.

ISO 19443 certification - A male and female professional in high-visibility vests and hard hats discussing documents at a port, with a large ship in the background.

Our Journey to ISO 19443 – Nuclear Standard

Our business was founded on the principle of offering clients complete peace of mind. We value the provision of the highest quality throughout the nuclear supply process. We have a relentless focus on creating a safety culture – which means we don’t cut corners to save cost or time. In fact – we go the extra mile. Our accredited certification of our quality management system demonstrates our ongoing commitment to being the gold standard for services important to nuclear safety.

Diverse Industries We Support

A focused industrial worker wearing protective goggles and earmuffs while operating machinery in a manufacturing environment.
A close-up view of a large industrial spool with two workers wearing safety gear and discussing something in the background, with stacked shipping containers visible.
A nuclear power facility at dusk, with cooling towers emitting steam and their reflections visible on a calm body of water.
A group of offshore workers in orange safety gear and helmets securing a thick rope on the deck of a vessel with the open sea in the background.
A man in a plaid shirt and overalls holding a hard hat, wearing protective eyewear and noise-cancelling headphones, standing in a large industrial facility.
A ship officer in a dark uniform using binoculars in a high-tech navigation bridge, surrounded by control panels and monitors.
A large offshore wind installation vessel with a crane lifting a heavy component, with wind turbines in the background.

Skilled Trades We Provide

Frequently Asked Questions

What is ISO 19443?

ISO 19443 is a quality management standard specifically for the nuclear industry, ensuring high standards of safety and reliability.
Certification demonstrates your commitment to quality and safety, improving trust and reliability in the nuclear supply chain.
ISO 19443 builds upon ISO 9001, incorporating specific requirements for the nuclear sector to enhance safety and quality.