TES are Mechanical & Electrical Specialists, working to the highest standard of engineering excellence. Innovative and dynamic, TES are established in a number of industries offering professional and quality services to include;

• Data Centres
TES are specialists in the design, manufacture, installation and commissioning of LV Switchgear, Sub-Distribution Units and PDU’s offering bespoke and tailored project management services, including E-house and Skid Configuration. 

• Power, Control & Automation
TES are market leaders in the design and manufacture of complex process control and automation systems. With an impressive reputation in specialist sectors such as water and wastewater, factory automation, quarrying and commercial industries, TES have defined the market in systems integration.

•   Water Treatment
TES have a wealth of experience in providing water treatment solutions for municipal, industrial and domestic sectors ranging from turnkey design and construction to water treatment plants serving small populations.

•   Wastewater Treatment
TES offer a range of wastewater treatment services such as mechanical and electrical engineering, minor civil works and process solutions.  TES provide the complete turnkey package.  

With a proven track record in technical excellence and project management expertise, TES view our role as partner rather than simply supplier.

Data Center

TES Group

TES Group's headquarters in Cookstown, United Kingdom

The Ballykelly office focuses on manufacturing and project management, supporting engineering and procurement functions.

Ballykelly

This department oversees both operational strategies and engineering functions to enhance organizational effectiveness and innovation.

Operations and Engineering

The Contract Management Team at TES Group is responsible for overseeing and coordinating all aspects of contractual agreements from inception to completion. This includes drafting, negotiating, and finalizing contracts, ensuring compliance with legal and regulatory standards, and managing ongoing contractual relationships with clients and suppliers. The team ensures that all projects are delivered on time, within scope, and within budget, addressing any contractual issues that arise to support the company's commitment to engineering excellence and customer satisfaction.

Contract Management Team

The Electrical Design and Engineering team at TES Group specializes in the development and implementation of electrical systems tailored to specific client needs. This includes designing, programming, and commissioning electrical switchgear, control systems, and automation solutions. The team ensures the highest standard of engineering excellence across various sectors such as data centers, industrial automation, water, and wastewater treatment. Key roles within the team involve PLC programming, electrical design management, technical sales, and panel wiring, all contributing to TES's reputation for innovative and quality engineering services.

Electrical Design and Engineering

The Project Management Team at TES Group is responsible for planning, executing, and finalizing projects according to strict deadlines and within budget. This team coordinates the efforts of various departments, manages resources, and ensures projects align with client specifications in industries such as data centres, power control and automation, water treatment, and wastewater treatment. Their roles include overseeing construction sites, leading project initiatives, and ensuring effective communication and collaboration across all project phases.

Project Management Team

This department focuses on the design, management, and implementation of electrical engineering projects.

Electrical Engineering

This department focuses on the design, development, and maintenance of mechanical systems and components.

Engineering Services

This department focuses on ensuring the wellbeing and safety of employees within the organization.

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Other teams

Contract Management Team

Electrical Design and Engineering

Project Management Team

Electrical Engineering

Engineering Services

Health and Safety