Commercial Terms

Our reputation is the most valuable asset we have. To protect this we always check that our clients are completely happy with the level of service we have provided by asking them to complete a Feedback Form. The questions asked cover all aspects of our services including costs. We are always careful to ensure that the work we do is transparent and clearly adds value and the feedback confirms our belief that we offer very good value for money when compared to our competitors. Examples of the feedback and comments we have received from our clients, can be found on the home page of this site with more available on request.

Where credit terms have been agreed, we can accept 30-day payments in GBP (£), USD ($) or Euros (€). Payments can also be made by Credit Card in your local currency via our PayPal account. In all cases, a formal invoice will be issued to request payment in the currency of your choice.

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Online, Instructor-led training for PROFIBUS, PROFINET, AS-i, CANBUS and EMC


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  • "I have always found Control Specialists Ltd an extremely professional and efficient company to deal with. They offer pragmatic solutions to problems and deliver these on time"

  • "CSL have always responded without question and offer excellent technical back-up together with service backup"

  • "Extremely helpful and patient staff. A pleasure to deal with."

  • "CSL worked beyond the call of duty to rectify the problem and keep the project to the timescale." RS Control Services Ltd - UK

  • "We felt the project was well prepared, executed and delivered results exceeding our expectations"

  • "The response has always been very good with the engineers being very helpful and competent"

  • "He showed us a high level of productivity, punctuality and professionalism. We were happy to work with a specialists of that level" NPO Technocont - Moscow

Copyright © Control Specialists 2019

Industrial Network Support (PROFIBUS, PROFINET, AS-i) - Control System Support - Software Design - Validation, PID Loop Tuning - Training Courses (PROFIBUS, PROFINET, AS-I, PID Loop Tuning).

This website outlines the services provided by Control Specialists and their relationship with PROFIBUS & PROFINET International (PI), the vendor-independent organisation responsible for the development of PROFIBUS and PROFINET. It also provides details of our partners, Procentec BV, manufacturers of monitoring and diagnostic tools for Industrial Networks.