Specialised Engineering Products

Specialised Engineering Products Limited (SEP) is a UK-based contract manufacturer established in 1976, located in Romsey, Hampshire. The company specialises in engineered parts, with a particular focus on sealing components, and employs just under 40 staff.

SEP's core manufacturing capabilities include CNC waterjet and knife cutting for gaskets and profiles, rubber moulding, extrusion, and the production of inflatable seals. They also offer precision machined components and safety products. Their advanced waterjet cutting technology features a micro-head capable of achieving 0.03mm tolerances and cutting materials up to 300mm thick. For machined components, SEP employs 5-axis milling and mill-turning, supported by SolidWorks Professional for 3D modelling and FeatureCAM for CAM programming. They also operate a cleanroom machining environment and utilise an Aberlink Axiom Too CNC CMM for inspection. SEP serves a broad spectrum of demanding industries, including Petrochemical, Food and Pharma, Aerospace, Marine, Oil and Gas, Nuclear, Railway, Defence, and Formula 1.

SEP holds significant quality accreditations, including ISO 9001:2015 and AS9100, and is also BSI and Joscar certified, with Cyber Essentials re-certification achieved. The company highlights its in-house design and manufacturing services, including tooling production, and emphasises early client involvement for cost, design, and production benefits. Key differentiators include procedural control of multiple part disciplines at a single location, over 40 years of experience, and a commitment to responsive manufacturing with in-house facilities and material stocks. SEP also offers specialised services such as rubber-to-metal bonding and 'cleanroom' manufacturing, particularly for the food and pharmaceutical sectors, adhering to FDA 21CFR 177.2600 and USP Class VI standards.