Control Specialists Ltd have provided support for industrial networks and automated control systems to the Process and Factory Automation industries in the UK and abroad since 1989.



We are a PROFIBUS and PROFINET International Competency Centre (PICC). This international accreditation recognises our ability to provide up to date technical support on both PROFIBUS and PROFINET to end users and device manufacturers.

We are active members of the UK PROFIBUS & PROFINET Association and work closely with PROFIBUS & PROFINET International (PI), the vendor-independent organisation responsible for the development of the two technologies.

We are a PROFIBUS and PROFINET International Training Centre (PITC). This international accreditation authorises us to provide the following PI-Certified Training courses:

Certified PROFIBUS Installer, Certified PROFIBUS System Designer, Certified PROFIBUS Engineer

Certified PROFINET Installer, Certified PROFINET Engineer.

These course can be delivered at your premises or on a scheduled basis at the Manchester offices of Endress+Hauser – see our Training page for more details.

In addition to being able to provide support on PROFIBUS and PROFINET, we can also provide support on the following communications networks:


We are an approved partner of Procentec, manufacturers of diagnostic tools for PROFIBUS, PROFINET and Ethernet IP. This partnership recognises our ability to specify and provide technical support for their products.

We also have cable testers / certifiers from Trend Networks, formerly Ideal Networks and sell Helmholz PROFIBUS and PROFINET connectors.

See the PRODUCTS page of this site for more information and to request a quotation.

We provide support for automated control systems to a wide range of industries. We can support Siemens and Rockwell PLC’s and SCADA to name but a few and have a wealth of experience in automated control system software design as well as PID Loop tuning using software-based optimisation solutions.

We have particular experience in the development of control systems used in the pharmaceutical industry and the mandatory validation of them following GAMP (Good Automated Manufacturing Practice). In addition to developing our own software, we are often called on to perform peer reviews of third-party software.

Our reputation for providing high-quality customer support is extremely important to us. We have put some of the client feedback on this site, but have many more examples and can provide references.

To assist us in maintaining this, we have BS-i accredited Quality Management System and have been an ISO9001 registered organisation since 2003.

If you think we can help, please call on the number below, we’d be happy to come and see you.



In this section you can browse a wide range of products for the support of Industrial Automation networks. These products include PROFIBUS Diagnostic Tools, PROFINET Diagnostic Tools, AS-i Diagnostic Tools as well as infrastructure components. Each page allows you to download product data sheets and manuals and create quotations that will be emailed to you. If you have any questions, please email us at or call us on +44(0)1925 824003.