About us

Welcome to Multiplex Engineering, a leading provider of process control engineering equipment and solutions. We sell valves and instrumentation and offer service and support at site or from our own workshops.

With over 35 years of experience, Multiplex have developed a reputation for delivering high-quality products and services that help our customers operate complex processes with total safety and reliability.

As the official channel partner of Baker Hughes for Masoneilan and Consolidated Products, Multiplex can provide professional assistance with product selection, application sizing and produce accurate quotations with data sheets and drawings directly through our Baker Hughes factory portal.

Multiplex are the official Baker Hughes Masoneilan Authorised Repair Centre ( MARC ) and Consolidated Green Tag Centre ( GTC ) for the UK. This high level accreditation requires Multiplex staff to be factory trained by Baker Hughes and our facility and processes audited annually to guarantee total compliance. When we work on your equipment you have the reassurance that our staff are competent, trained on the product and are using genuine spare parts.

Multiplex have invested in a comprehensive inventory management system which allows access to our huge stock of valves, instrumentation and spare parts for same day shipping if required.

Multiplex was established in 1989 and now work in all industrial sectors covering all of the UK from our modern well equipped premises in Chesterfield. We are proud of our dedicated staff and in, particular, our apprentice training programme working closely with Chesterfield College and the AMRC Training Centre for over 30 years.

We believe our unique combination of products, services and staff make Multiplex a great partner for any business where the supply and maintenance of critical process control equipment is essential.

Why Choose Us

One of the UK's top valve and instrumentation distributors.


With many combined years of industry experience, we have developed a deep understanding of engineering solutions and instrumentation needs across various sectors. Our expertise enables us to offer extensive technical support and advance diagnostics, ensuring we offer a quick response for preventative maintenance and keep any downtime to a minimum.

Quality products

As industrial valve specialists, we pride ourselves on our supply of quality, premium brands such as Masoneilan and Consolidated Valves manufactured by Baker Hughes, including complete units, and the full range of Masoneilan spare parts. We also supply valves from our channel partner Amartury Group, and instrumentation brands: Foxboro and Eckhardt, manufactured by Schneider Electric.

Dedicated Customer Service

Our dedicated team is always available to address queries, provide technical support and assist in finding the right solutions.

On-Site Convenience

Our on-site service brings expertise directly to facilities, saving time and effort. We work around your schedule to ensure minimal disruption to operations.

About Us

Who are we?

Since 1989, having worked across a range of industrial sectors from food and beverage, power generation and cement to onshore oil and gas, Multiplex Engineering has established a key foothold in the process control industry. Multiplex is now one of the largest independent distributors and stockists of valves and instrumentation in the UK.

A family-run business, we supply valves and instrumentation nationwide and globally. We are dedicated to delivering top-quality valve supply and process flow control solutions that maximise efficiency, safety and performance across various industries. We have a large workshop and warehouse facility stocking an extensive inventory of valves and spare parts. We also manage the only MARC (Masoneilan Authorised Repair Centre) in the UK. Contact us today to discuss your requirements and experience the operational difference we can make.

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