Pneumatic test leads attached to an engine and wall sockets in a factory

Supplier Assurance

Connect with Jackmark Engineering Ltd

Tier 1 suppliers to the Automotive Industry for over 40 years

Black connector being inserted into a white test tile

Bespoke Products

Test Equipment for Every Industry

Wire Harness, Internal Combustion Engines & EV Test Specialists

Five red rugged connectors with test leads on a schematic background

Industrial Environments

We design & manufacture
ruggedised connectors

Our products are typically used in harsh environments

Variety of test probe tips on a grey background

Aftersales Service & Support

Technical Advice, On-Site Support & Supplying Consumables

Ensuring your test equipment lasts the product lifecycle

Grey connector being measured with calipers on a schematic background

Engineering Partners

Project Management, In-house design, Manufacture & Validation

All products are supplied with extensive technical documentation

Globe with blue connections being made from the United Kingdom to other countries

Global Presence

Our products are used daily at major OEMs

Reliable, secure & live tracking of all goods shipped

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

Proud to be partnering with

Latest from Jackmark

The Coronation Of King Charles III

2023-05-05

Jackmark will be closed on Monday the 8th of May 2023 to mark the coronation of King Charles III we will re-open on the 9th of May 2023

SMMT Regional Forum

2023-05-02

Come to visit Jackmark at the British Motor Museum, Banbury Road, Gaydon, Warwickshire, CV35 0BJ on the 4 May 2023 between 08:00 – 14:30 The …

Engineering Design Show 11th & 12th of October

2023-04-26

Come to visit us at the Engineering Design Show (EDS) on the 11th & 12th of October we will be on stand J15 we will …