Thermex

Merse Road, North Moons Moat, Redditch, B98 9HL

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

About

Established in 1979 and based in Redditch, Worcestershire, THERMEX LIMITED is a UK contract manufacturer specialising in temperature engineering, designing and producing heat exchangers and oil coolers with a comprehensive range of standard and bespoke thermal transfer products. Their in-house facility, equipped with automated CNC machinery, handles diverse materials like aluminium, copper, stainless steel, and titanium, supporting collaborative design with OEMs for rapid prototyping and full-scale manufacturing from one-off to high-volume runs. Serving industries including Marine, Defence, Engine Cooling, and EV & Hybrid Cooling, Thermex holds key certifications such as BS EN ISO 9001:2015, ISO 14001:2015, PED, TEMA, and ASME VIII for pressure vessels with U and UM Stamp authorisations, alongside JOSCAR registration and experience with IACS third-party accreditation. Their strongest differentiator lies in engineering excellence and innovative design solutions for demanding applications.

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THERMEX LIMITED is a UK-based contract manufacturer established in 1979, specialising in temperature engineering and the design and manufacture of heat exchangers and oil coolers. Located in Redditch, Worcestershire, the company offers a comprehensive range of standard and bespoke thermal transfer products.

The company's in-house production facility is equipped with automated CNC machinery, enabling them to work with a variety of materials including aluminium, copper, stainless steel, and titanium. Thermex employs a collaborative design process with OEMs, offering rapid prototyping and full-scale manufacturing for both one-off and high-volume production runs, serving diverse industries such as Marine, Defence, Engine Cooling, and EV & Hybrid Cooling.

THERMEX LIMITED holds significant certifications including BS EN ISO 9001:2015 and ISO 14001:2015, and is certified to PED, TEMA, and ASME VIII for pressure vessel manufacturing, possessing ASME U and UM Stamp authorisations. They are JOSCAR registered and have experience with third-party accreditation from IACS members. Key differentiators include their engineering excellence and innovative design solutions, with proven track records in developing bespoke cooling systems for demanding applications.

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CNC capability2

Named machine brands
In-house design

Materials & sectors1

Industries served

Certifications & approvals2

ISO 9001
Primes supplied

Quality & traceability1

3D scanning

Welding & fabrication1

Fabrication offered

Services & production1

DFM support
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CNC capability: Sub-process · Specialist categories · Tier-one builder presence · CAM software · Aerospace-grade CAM · CAD software · Tolerance (typical) · Tolerance (tight) · Micro-machining · MOQ (minimum batch) · Lead time (weeks)

Materials & sectors: Materials

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

Welding & fabrication: Welding automation · Welding materials · Coded welding (any) · Fabrication sub-categories · EN 1090 EXC level

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

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