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KS Composites
United Kingdom
Composite Manufacturing: Carbon fiber, fiberglass, and resin infusion
Composite Raw Materials: Carbon fiber tow, pre-pregs, and resins
Filament Winding & Pultrusion: Continuous composite profile and pressure-vessel production
Injection Molds & Tooling: Steel and Aluminum molds for plastics
Jigs & Fixtures: Custom work-holding for assembly and inspection
Metrology & Dimensional Inspection: CMM, 3D scanning, and laser tracking

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KS Composites was founded in 1985 by Kelvin Smith and is based in a 48,000 sq ft facility in Old Dalby, Leicestershire. Originally recognized for fabricating and restoring historic motorsport GRP bodywork, the company expanded into carbon fibre composite manufacturing in 1994, evolving into a tier-one supplier to leading Formula 1 teams, hypercar builders, and aerospace contractors. In November 2025, KS Composites was acquired by Twisted.

The company maintains a workforce of over 100 specialists and holds ISO 9001 accreditation. KS Composites operates cleanroom laminating environments, three industrial autoclaves, large-envelope 5-axis CNC machining centers, and an in-house wet lay composites division.

Offer

KS Composites delivers turnkey composite engineering, prototyping, tooling, and volume parts production:

  • Autoclave & Oven Processing: Three high-specification autoclaves (measuring up to 2.6 m x 5.0 m) and curing ovens running pre-preg carbon fibre, glass fibre, Kevlar, and phenolic resin systems.
  • Wet Lay Composite Shop: Dedicated GRP and carbon fibre department utilising polyester, vinyl ester, and epoxy resin matrices for wet laminating, infusion, and mould building.
  • 5-Axis CNC Machining: Three Belotti 5-axis machining centres (including FLA 4018, FLU 2617, and MDL 4036) for pattern board milling, light alloy mould machining, and precision carbon fibre chassis/bodywork trimming.
  • Kit Cutting & Cleanroom: Automated dynamic high-speed kit cutting table for optimised material nesting, ply shaping, and cleanroom layup.
  • Quality Assurance & Metrology: Full batch traceability, barcoding, and dimensional inspection using portable CMM arms with FAI, PPIR, and PPAP documentation.

Tags

carbon fiber
5-axis cnc
motorsport composites
autoclave curing
fiberglass
grp tooling
pre-preg
Industrial Specializations: Composite Manufacturing: Carbon fiber, fiberglass, and resin infusion, Composite Raw Materials: Carbon fiber tow, pre-pregs, and resins, Filament Winding & Pultrusion: Continuous composite profile and pressure-vessel production, Injection Molds & Tooling: Steel and Aluminum molds for plastics, Jigs & Fixtures: Custom work-holding for assembly and inspection, and Metrology & Dimensional Inspection: CMM, 3D scanning, and laser tracking
Headquarter/main address: Station Road
Old Dalby, Melton Mowbray
Leicestershire LE14 3NJ
United Kingdom
Get Directions
https://www.kscomposites.com
Business Type: Custom Manufacturer
Ownership: Subsidiary
Employees: 100 - 249
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