We’re celebrating our 20th anniversary!

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Delivering quality
with integrity

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Our ambition A growing engineering design consultancy, with the expertise, capacity and agility to support complex nuclear projects.

With a team of over 100 engineers and specialists across Warrington and North Wales, Tenet combines multidisciplinary capability with the responsiveness and personal approach of an independent SME.

Our expertise

Integrated solutions for the Nuclear industry

Control, electrical and instrumentation Design

Mechanical design

Project management

The Tenet family

Nurturing talent from the ground up

Apprenticeships

The Tenet family

Nurturing talent from the ground up

Apprenticeships

clients who trust us

featured case study

SGHWR decommissioning CE&I infrastructure

Stay in the know

Tenet Tornadoes return for It’s a Knockout 2026

Inspiring the next generation through work experience

Team Tenet completes 122-mile charity cycle for Awyr Las

Tenet Joins Industry Leaders to Discuss the Future Skills Needed for Nuclear

Tenet Invests in Future Engineers Through STEM Grants for North West Schools

Tenet Donates £4650 to Maggie’s Manchester

Introducing: The Tenet Community Grant

We’re Platinum Again!

From Control Panels to Mountain Peaks: Mark’s Marathon Success

Let’s work together