G.O.S. Tool & Engineering Services
Heritage Court Road, Gilchrist Thomas Ind Estate, Blaenavon, NP4 9RL
Sets it apart · CNC Machining — UK · scanned 2026-08-20— click a claim to see its decomposition
Co-presence claim
Verified specialist (named-equipment evidence · specialist subcategory)
Scope: v2 facet schema
Scan date: 2026-08-20
Decomposition — atomic inputs
A1Named equipment brands: mazak
agent“We operate a range of CNC milling and machine centres including a Mazak V-550. This allows us to provide a comprehensive service to a large range of customers in the automotive, steel, aluminium and electronics industries.”
A2Specialist subcategory: large_envelope
agent“Vertical Boring CNC Machining Conventional Machining Lumsden Surface Grinding Lumsden Surface Grinding General Fabricating Machined Fabrications Structural & Architectural Steelwork Structural & Architectural Steelwork Bridges & Walkways Bridges & Walkways Tanks & Silos Tanks & Silos Profiling & Plasma Cutting Profiling & Plasma Cutting”
About
G.O.S. Tool & Engineering Services Ltd, a family-managed UK contract manufacturer based in Blaenavon, South Wales, operates from a 3-acre site with over 38,000 sq. ft. of manufacturing space, specializing in steel component fabrication and manufacture. Their extensive engineering capabilities include vertical boring up to 72-inch CNC, conventional machining up to 5 metres, CNC machining, Lumsden surface grinding up to 84-inch tables, and profiling/plasma cutting for steel plate from 6mm to 300mm and High Definition Plasma cutting from 2mm to 30mm in various steel and aluminium grades, producing structural and architectural steelwork, tanks, silos, and custom fabrications. A market leader in Road Rail Vehicles (RRVs) and specialist rail infrastructure equipment, G.O.S. holds RAAS, ISO, CIRAS, and BSI certifications, demonstrating their commitment to quality and industry standards, with notable projects including Network Rail conversions and equipment for Stobart Rail and BHP.
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G.O.S. Tool & Engineering Services Ltd is a privately owned, family-managed UK contract manufacturer based in Blaenavon, South Wales. Operating from a substantial 3-acre site with over 38,000 sq. ft. of manufacturing space, the company specialises in the fabrication and manufacture of steel components.
The company offers a comprehensive suite of engineering capabilities, including extensive vertical boring (up to 72-inch CNC capacity), conventional machining (up to 5 metres between centres), CNC machining, Lumsden surface grinding (up to 84-inch tables), and general fabricating. Their profiling and plasma cutting services handle steel plate from 6mm to 300mm thick and High Definition Plasma cutting from 2mm to 30mm in various steel and aluminium grades. G.O.S. manufactures structural and architectural steelwork, tanks, silos, and custom fabrications.
G.O.S. is a market leader in Road Rail Vehicles (RRVs) and specialist rail infrastructure equipment, including On Track Machines (OTM) and On Track Plant Machines (OTP). They hold a RAAS Certificate, ISO Certificate, CIRAS Certificate, and BSI Membership Certificate, demonstrating their commitment to quality and industry standards. Notable projects include Road/Rail conversions for Network Rail and equipment for Stobart Rail and BHP.
Verified facts— hover any value to see its source
CNC capability4
- Sub-process
- Turning, Grinding
- Specialist categories
- Large-envelope
- Named machine brands
- Mazak
- Tier-one builder presence
- Yes
Materials & sectors2
- Materials
- Mild steel
- Industries served
- Rail
Certifications & approvals1
- ISO 9001
- Held
Welding & fabrication4
- Welding automation
- Mechanised
- Welding materials
- Carbon steel
- Fabrication offered
- Yes
- Fabrication sub-categories
- Structural steel
Services & production1
- DFM support
- Yes
29 of 41 facets not yet verified — show which
CNC capability: 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: NDT methods · Part marking · Process traceability · CofC offered · Cleanroom assembly · 3D scanning · Industrial CT · In-house toolroom · FAIR capability (AS9102)
Services & production: In-house finishing · Repeat orders (Kanban / VMI)