About Us

Quality, technology and experience...

Who We Are

ESI Technology Ltd designs and manufactures pressure transducers and transmitters for the aerospace, defence, oil & gas, subsea, medical, automotive, marine, process and general industrial markets. Our customer base extends across the world, exporting 75% of our sales to more than 45 countries.

How We Started

The company was formed in 1984, and has grown since that time into a worldwide supplier of "in house" manufactured pressure transducer and transmitters. Early success came from designing solutions for challenging military and aerospace applications. 

More recently, the outstanding quality and performance of our Silicon-on-Sapphire sensing technology, has ensured our position as one of the market leaders in the pressure measurement industry. Our comprehensive range of pressure transmitters and transducers incorporate this technology, together with the latest digital signal processing. 

All products are rigorously tested to ISO9001 and Mil-I-45208 procedures and conform to CE requirements. EX, IECEx and DNV GL certification is also available.


In 2009, the company was bought by SUCO Robert Scheuffele GmbH & Co. KG, a German based company. With similar values and methods of business, SUCO saw ESI as the perfect acquisition. SUCO is primarily in the market place fulfilling the need for high volume, low cost pressure switches and transducers.

Where We Are

Our dedicated manufacturing facility based in Wrexham, UK, provides complete control over production, and we have made considerable financial investment in product development to ensure that we are a modern business at the cutting edge of our industry.

How It's Going

For more than 30 years we have served our customers with consistent product development, engineered solutions and excellent technical and sales support. Our primary focus is to provide an outstanding service to customers by offering an expansive product portfolio together with a wide scope of additional services.

Our recent product innovations have included the USB Transducer, specifically designed for the monitoring and recording of pressure data, the HI6000 - A pressure transmitter capable of not only withstanding a consistent compensated temperature range of -25°C to +135°C., but can also perform well under temperatures of up to 150° for limited periods. 

Our latest product line the GS4400 pressure transmitter with RS485 interface, has been developed due to an increased demand from our sales partners and will also include a High Pressure and Subsea variant.

Find out more about the wide range of pressure sensor technology we have to offer

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