TestWorks

Group

TestWorks, established in 2001 and part of RailSense Solutions since 2023, provides electronics design, manufacture and test services from Letchworth Garden City, Hertfordshire, certified to ISO 9001. The company assembles surface-mount and through-hole rigid PCBs across low, medium and high complexity work, verified with automated optical inspection, X-ray, functional, flying probe and boundary scan testing on prototype through low- and medium-volume orders. Box build spans electro-mechanical and enclosure assembly, panel and cabinet build through to system integration and final product test, with wire harness and discrete cable assembly with crimping, conformal coating, and PCB design also available for aerospace and defence, automotive, energy, industrial, marine, medical, railway and telecoms customers.

Box Build Assembly Cable & Wire Assembly Design & Engineering Electromechanical Assembly England

Hertfordshire PCB Assembly Systems Integration

Certifications

ISO 9001

Services

Assembly Box Build Design PCB Testing Turn-key PCB Assembly Conformal Coating Cable Assembly

Board Type

Rigid

Assembly Type

Surface Mount Thru Hole

Testing

Automated Optical Inspection (AOI) X-Ray Inspection Functional Testing Flying Probe Testing Boundary Scan Testing

Order Type / Volume

Low Volume Medium Volume Prototype

Box Build Capabilities

Electro-Mechanical Assembly Enclosure/Chassis Assembly System/Product Integration Final Product/System Test Panel/Cabinet Build

Cable & Harness Assembly Capabilities

Wire Harness Assembly Crimping Discrete Cable Assembly

Industries Supported

Aerospace and Defense Automotive Industrial Marine Medical Telecom Energy Railway Technology

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Unit 28, Campus Five, SG6 2JF

Last Updated

2026-10-02

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Company Registration Number 08314755

Companies House URL

Verification History

2 Oct 2026 — Scheduled verification (Lite). No changes.

12 Sep 2026 — Scheduled verification (Max). Added Energy and Railway Technology industries, crimping and discrete cable assembly, panel/cabinet build capability, a cable assembly service, and prototype order handling.

12 Sep 2026 — Scheduled verification (Lite). No changes.

5 Sep 2026 — Listing added to EMS Directory, pending verification checks.

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