To place an entry in this Directory or advertise :

Contact John Harvey, Sales Manager, Concorde Publishing Ltd
Tel: +44 (0) 20 7863 3077 email: John Harvey

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Welcome to


This website is the online companion to the highly successful Test House Directory. It is designed to help test & measurement and design & development engineers find companies that can provide the testing service, or product they need, in the location and at the time that they need it.


Print edition

2023 saw the publication of the 26th edition of Test House Directory which contained 700 categories of test and nearly 100 companies listed. The 27th Edition, Test House Directory 2024 will be produced at the end of April 2024.


Digital edition

As well as the print and online formats, a mobile friendly digital edition is also produced. Test House Directory 2023 can be viewed by clicking here.


Special company subscription packages for 2024

These are now available and can include an online entry at until 31st March 2025, an entry in our publication Test House Directory 2024 Extra and a full company entry within Test House Directory 2024. Company details will also included in the main journal Testing & Test Houses, our other specific technology publications and on the website The package now includes online, print and digital elements as well as bonus distribution at key technology events.


It's easy for your company to be involved in 2024

Please call us at +44 (0) 20 7863 3079 or email to and your company can appear online almost immediately. is produced by Concorde Publishing Ltd.

Top 10 Categories

Listed below are the Top 10
categories of test on the site
Just click on the category you
require to go immediately to
a list of companies that can
provide products and services.


test house directory 2021With the 26th edition published in 2023, the Test House Directory brand is well established as the leading source of information about test houses, testing services and test equipment manufacturers. Now available in print, digital and online formats, these combine to provide easy to use reference sources for test, measurement, design and development engineers. New company entries on are easy to organise. For more information please contact us and we can send you an interactive pdf to complete your entry.

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