Specialists in the Design & Manufacture of Engine & Wiring Harness Test Equipment

Welcome to Jackmark Engineering Ltd, suppliers of bespoke, high quality rugged test connectors, test lead assemblies, SWDL stations & functional check equipment

Ruggedised Test Leads

Worldwide suppliers & industry experts in the design & manufacture of industrial grade test leads

Wiring Harness Test

In-House designed modular test connectors specifically focused on the extensive requirements of automotive wiring loom testing

Software Download Stations

Bespoke single or multiple tray software download stations for ECM data transfer & validation

Precision CNC Machining

We provide CNC milling & turning of prototype & production parts machined from engineering plastics and non-ferrous materials

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Latest from Jackmark

Jackmark manufactures High Voltage Electric Vehicle (HVEV) test connectors and lead assemblies


Jackmark manufactures robust High Voltage Electric Vehicle (HVEV) test connectors and lead assemblies, designed specifically for the automotive industry. As the demand for electric vehicles continues to rise, it is essential for manufacturers to have reliable and efficient testing equipment. Our HVEV test connectors and lead assemblies are built to …

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Cheadle SMU Under 12's Reds Football Team


Jackmark is a proud sponsor for the under 12's Cheadle SMU football team.

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Engineering Design Show 2023


We are excited to announce that Jackmark will be exhibiting at this year's Engineering Design Show on the 11th and 12th of October at the …

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