The Surface Engineering Association (SEA) is the UK’s leading trade body for businesses involved in surface engineering, heat treatment, and finishing technologies.
Representing a diverse network of companies across manufacturing, aerospace, automotive, medical, and many other industries, we champion innovation, quality, and sustainability in surface engineering.
With decades of expertise, SEA provides its members with technical guidance, regulatory support, business growth opportunities, and a powerful industry voice at the national and international levels.

Why Join the SEA?
- Industry Representation & Advocacy – We work with government and regulatory bodies to shape policies that support the sector.
- Technical Support & Compliance – Stay ahead of industry regulations, REACH legislation, and environmental standards.
- Networking & Collaboration – Connect with professionals and experts at industry events, trade shows, and networking meetings.
- Training & Workforce Development – Access specialist courses, apprenticeships, and skills development programmes.
- Innovation & Sustainability – Benefit from insights into new technologies, sustainable practices, and industry best practices.
Whether you’re an SME, large manufacturer, or research institution, the SEA provides the resources, advocacy, and connections to help your business succeed in this highly specialised field.
Our Commitment to the Industry
- Regulatory & Compliance Support – Helping members navigate complex regulations and industry standards.
- Skills & Training Programmes – Supporting the next generation of engineers through apprenticeships and workforce development.
- Technical Guidance & Best Practices – Ensuring members have access to the latest advancements in surface technology.
- Sustainability & Future-Proofing – Promoting environmentally responsible engineering solutions.
At THE SEA, we are committed to driving the future of surface engineering, supporting businesses through knowledge, collaboration, and innovation.