A precision engineering group for your cast, machined and fabricated components

Investment casting, sand casting, CNC machining and fabrication with quality assurance, stockholding and secure supply.
AS9100 certified, JOSCAR registered, direct European delivery.

Expromet Capabilities

Investment Casting

High-strength castings for complex, precise parts.

  • Fine detail, tight tolerances
  • Excellent surface finish
  • Minimal secondary machining
  • 5mm to 450mm, 5g to 28kg

Sand Casting

Versatile castings for small to large components.

  • Precision sand castings
  • Cost-effective production
  • 5mm to 1500mm+, up to 300kg
  • Tolerances ±0.015 / ±0.03

Precision Machining

AS9100-certified machining for small to large components.

  • Fixed, vertical, sliding head turning
  • 5-axis milling
  • Prismatic and multi-task machining
  • Wide-ranging alloys and sizes

Fabrication

Certified fabrication for large, complex structures.

  • Fully coded MIG and TIG welding
  • EN15085 and ISO 3834-2
  • 6mm to 100mm capacity
  • Up to 25 tonnes, 3m x 3m x 10m

Pressure Die Casting

High-volume castings with excellent accuracy and finish.

  • Aluminium, magnesium, zinc/Zamak
  • Very good surface finish
  • Thin walls, simple features
  • 5mm to 300mm, up to 5kg

Gravity Die Casting

Accurate castings for complex and larger parts.

  • Complex shapes, little post-processing
  • Medium to high volumes
  • 5mm to 1000mm, up to 35kg
  • Tolerances ±0.0005 / ±0.015

Forging

High-strength parts for demanding applications.

  • Excellent strength and durability
  • 1.6 micron finish or better
  • Suitable for aluminium alloys
  • Fine brass alloy finishes

Assembly

Complete assembly support to simplify procurement.

  • Fully kitted assemblies
  • Component kits available
  • Dedicated clean area
  • Skilled, high-quality assembly

Industries we serve

Quality Built Into Every Stage

cross Expromet group companies, quality is built into every stage of design, manufacture and delivery. Our internationally recognised certifications and quality systems help meet the stringent requirements of sectors such as aerospace, defence, medical, energy, marine and rail, where traceability and process control are critical to supplier approval.

Certification
What it means
JOSCAR
Pre-qualified for defence and aerospace procurement, helping simplify supplier approval.
AS9100
Aerospace and defence quality management for controlled, consistent manufacture.
EN15085
Demonstrates compliant welding for railway vehicles and components.
ISO 3834
Assures controlled welding quality for safety-critical structures.
ISO14001
Supports controlled environmental management across manufacture.
ISO45001
Reinforces health and safety control across manufacture.
Cyber Essentials
Strengthens protection against common cyber threats.

FROM ENQUIRY TO DELIVERY

From initial review to final delivery, Expromet follows a structured process designed to make component sourcing more straightforward. The four steps below outline how we review the requirement, choose the right manufacturing route, control quality throughout production and deliver with full documentation and traceability.

1

Share Your Requirement

Send us your drawing, specification or brief, and our engineers will review the most effective route for manufacture.

2

Select the Right Process

We match your requirement to the right casting, machining or fabrication method, with material and process recommendations provided upfront.

3

Manufacture with Control

Your components are produced under rigorous quality management, with in-process inspection and technical oversight at every stage.

4

Deliver with Traceability

Finished parts are supplied with the documentation, certification and batch traceability needed to support approval, receipt and repeat ordering.

Why Choose Expromet

Comprehensive Capabilities

With extensive casting, forging, machining and fabrication capabilities, Expromet provides precision-engineered components matched to your technical, commercial and supply requirements.

Certified Quality

Internationally recognised accreditations and rigorous quality systems support controlled manufacture, full traceability and sector-specific supplier approval requirements.

Stockholding

Stockholding and call-off support help maintain continuity of supply, reduce procurement pressure and keep critical components available when needed.

Global Sourcing

Extending our capabilities through a trusted global partner network, delivering high-quality components with competitive pricing, reduced lead times, and fully managed procurement.

Turnkey Solution

A fully managed manufacturing solution, delivered through the Group’s integrated specialist capabilities.

Reliable Partner

Expromet works as a proactive supply partner, helping reduce risk through responsive communication, continuous improvement and dependable support.

Discuss your requirement

Talk to our team about your component needs, and we will help identify the right manufacturing route and supply model for your project.

Expromet Technologies Group | Precision in Every Component