3 K'S Engineering Company

Morfa Works, Enbankment Road, Machynys, SA15 2DN

Sets it apart · CNC Machining — UK · scanned 2026-08-20— click a claim to see its decomposition

About

Established in 1969, 3Ks Engineering Company Limited is a UK-based contract manufacturer operating from a 60,000 sq ft facility in Llanelli, South Wales, offering a comprehensive "one-stop shop" for large fabrication and heavy machining. Their integrated services include profiling, rolling, drilling, welding, vertical boring, turning, milling, and grinding, supported by five machine shops with diverse conventional and CNC equipment, enabling the manufacture of complex large steel structures from carbon and alloy steels, nickel alloys, and non-ferrous materials. Serving sectors such as renewable energy, nuclear, construction, offshore drilling, oil & gas, shipping, and rail, 3Ks Engineering also holds NDT inspection certifications and designs, manufactures, refurbishes, and certifies lifting equipment. A key differentiator is their skilled workforce and well-equipped workshops, evidenced by a proven track record with major clients including the Ministry of Defence and BP.

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Established in 1969, 3Ks Engineering Company Limited is a prominent UK-based contract manufacturer specialising in large fabrication and heavy machining. Operating from a substantial 60,000 sq ft facility in Llanelli, South Wales, the company provides an integrated "one-stop shop" solution encompassing fabrication, heavy machining, fitting, and lifting equipment services. Their extensive capabilities allow for the manufacture of complex large steel structures and a wide array of conventional and CNC machining.

3Ks Engineering offers comprehensive fabrication services including profiling, rolling, drilling, and welding, utilising various processes and certified welders. Their heavy machining operations are supported by five dedicated machine shops and a diverse range of equipment such as vertical borers, CNC millers, and horizontal borers, enabling processes like vertical boring, turning, milling, and grinding. The company serves a broad spectrum of industries, including renewable energy, nuclear, construction, offshore drilling, oil & gas, shipping, and the rail sector, working with carbon and alloy steels, nickel alloys, and non-ferrous materials.

The company's commitment to quality is underscored by NDT inspection certifications and capabilities in ultrasonic, dye-penetrant, and MPI testing. 3Ks Engineering also designs, manufactures, refurbishes, and certifies a full range of lifting equipment. They have a proven track record with significant projects for entities like the Ministry of Defence and BP, and their key differentiators include a skilled workforce, well-equipped workshops, and excellent logistics access.

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CNC capability3

Sub-process
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Specialist categories
Named machine brands

Materials & sectors2

Materials
Industries served

Certifications & approvals1

ISO 9001

Quality & traceability1

NDT methods
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Welding & fabrication4

Welding automation
Welding materials
Fabrication offered
Fabrication sub-categories
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CNC capability: Tier-one builder presence · CAM software · Aerospace-grade CAM · CAD software · In-house design · Tolerance (typical) · Tolerance (tight) · Micro-machining · MOQ (minimum batch) · Lead time (weeks)

Certifications & approvals: ISO 14001 · AS9100 · ISO 13485 · IATF 16949 · NADCAP · Primes supplied · ITAR registered

Welding & fabrication: Coded welding (any) · EN 1090 EXC level

Quality & traceability: Part marking · Process traceability · CofC offered · Cleanroom assembly · 3D scanning · Industrial CT · In-house toolroom · FAIR capability (AS9102)

Services & production: DFM support · In-house finishing · Repeat orders (Kanban / VMI)