Steel Door Specialists for UK Contractors
AIG Engineering designs and manufactures high-performance steel doors and enclosures, supporting major contractors across the UK with compliant, durable solutions delivered on time and to specification.
Built for Demanding Projects
AIG Engineering supports main contractors, developers and infrastructure providers with high-performance steel door and enclosure solutions. We understand the demands of modern construction projects, delivering products that meet strict specifications, safety standards and programme requirements, ensuring seamless integration into complex builds across a wide range of sectors.
From initial consultation through to manufacture and delivery, our team works closely with clients to provide dependable, compliant solutions. We combine technical expertise with practical industry experience to ensure every product is built for durability, performance and long-term reliability in challenging commercial and industrial environments.
Supporting Contractors Across Key Sectors
We partner with main contractors, developers and infrastructure providers across a wide range of sectors, delivering steel door solutions for complex and high-demand environments.
Commercial Construction
Infrastructure & Transport
Education & Healthcare
Industrial & Utilities
Trusted by Contractors Across the UK
We support main contractors with dependable steel door and enclosure solutions, designed to meet specification, delivered on time, and built to perform in demanding environments.
Built to Specification
Every product is manufactured to meet exact project requirements, ensuring compliance with relevant standards and seamless integration into wider construction packages.
Reliable Delivery
We understand programme pressures and work proactively to meet deadlines, providing consistent lead times and dependable delivery across every stage of the project.
Proven Experience
Our team brings extensive industry knowledge, supporting a wide range of commercial and infrastructure projects with practical, buildable solutions.

Bespoke Solutions
No two projects are the same. We design and manufacture tailored steel doors and enclosures to suit specific operational, security and environmental requirements.
Easy to Work With
We collaborate closely with contractors, providing clear communication, technical support and a straightforward process from enquiry through to delivery.
Consistent Quality
We maintain high manufacturing standards across every project, ensuring consistent product quality, reliable performance and long-term durability in demanding environments.
Our Approach
We take a practical, collaborative approach to every project, working closely with contractors to understand specification requirements, site conditions and programme demands. This ensures each solution is designed to integrate seamlessly within the wider construction process.
From initial enquiry through to manufacture and delivery, we focus on clear communication, consistent quality and dependable lead times. Our goal is to provide a straightforward, reliable service that supports project efficiency and reduces risk at every stage.

Need a Reliable Steel Door Partner?
Speak to our team about your project requirements. We support contractors across the UK with fast, compliant and dependable solutions.
