About us

Our Group

A UK technology and manufacturing group with three divisions: Passive Fire Protection, Contract Electronics Manufacturing and AgTech.

Who we are

We make buildings safer and food production smarter, using technology we own and products we make in the UK.

Light Science Technologies Holdings plc listed on AIM in 2021. We grow by buying strong businesses with proven technology, securing the IP and bringing them onto shared UK manufacturing.

The divisions work together. UK Circuits builds the electronics inside our AgTech products, its Manchester site is the northern hub for Injectaclad. And all companies are overseen from our Derby offices.

Passive Fire Protection · PFP

Making buildings safe.

Patented cavity fire barrier remediation, installed without removing the façade.

Companies: Injectaclad · Injecta Fire Barrier

Contract Electronics · CEM

The manufacturing engine.

Electronics design and manufacturing in Manchester since 1997.

Companies: UK Circuits

AgTech · AGT

Growing more with less.

Sensing, lighting and growing controls for growers around the world.

Companies: Light Science Technologies · Tomtech

How the Group was built

Decades of expertise, brought together.

Our companies have been designing, manufacturing and installing since 1986. Since listing in 2021, we have brought them together, secured the IP and put them on shared UK manufacturing.

Building the Group

  1. April 2026

    Owning the chain

    Injectaclad and its IP are acquired, alongside full ownership of UK Circuits and its Manchester site.

    PFPCEM
  2. June 2025

    sensorGROW patented

    A patent is granted for our sensorGROW environmental sensor, built in-house at UK Circuits.

    AgTechCEM
  3. November 2023

    Into fire protection

    Injecta Fire Barrier is formed, and the Group begins installing the Injectaclad system.

    PFP
  4. September 2023

    Tomtech acquisition

    The Group acquires Tomtech, bringing nearly 40 years of growing expertise to the AgTech division.

    AgTech
  5. 2021

    Listed on AIM

    Light Science Technologies Holdings plc joins the London Stock Exchange's AIM market.

    Group

Our roots

  1. 2020

    Injectaclad goes live

    After four years of testing, the first Injectaclad installation is completed and named ASFP Innovation of the Year.

    PFP
  2. January 2020

    The Group is formed

    Light Science Technologies Holdings plc is incorporated in England and Wales.

    Group
  3. September 2019

    Light Science Technologies founded

    Founded in Derby, the business behind the sensorGROW sensor and nurturGROW lighting.

    AgTech
  4. 1997

    UK Circuits founded

    UK Circuits begins designing and manufacturing electronics in Manchester.

    CEM
  5. 1986

    Tomtech founded

    Tomtech starts designing and installing control systems for greenhouses and polytunnels in Spalding.

    AgTech

Leadership

Our Team

Andrew Hempsall

Andrew Hempsall

Interim Chief Operating Officer

Andrew Hempsall on LinkedIn (opens in a new tab)
Read biography: Andrew Hempsall

Andrew Hempsall is a highly experienced industry executive, with significant operational leadership experience. Andrew has worked in many commercial roles, driving company operations, particularly in the manufacturing sector. He has gained experience in leading teams through roles as Operations Director and General Manager – the latter of which was with PE owned, Arken POP International Limited. Andrew holds an MBA from the University of Nottingham.

James (Jim) Snooks

James (Jim) Snooks

Chief Financial Officer / Company Secretary

James (Jim) Snooks on LinkedIn (opens in a new tab)
Read biography: James (Jim) Snooks

Jim Snooks has held a number of Finance Director positions including as Group Financial Controller of Breasley Group, Finance Director of Furntec Ltd and Financial Controller of GLW Feeds Ltd, developing a wealth of experience in the finance operations of medium size enterprises. Jim is a CIMA chartered management accountant, CGMA global chartered management accountant and holds a BA (Hons) in European Finance and Accounting.

Graham Cooley

Graham Cooley

Non-Executive Chairman

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Read biography: Graham Cooley

Graham started his career in the power sector in 1989, joining the CEGB and becoming Business Development Manager at National Power plc and then International Power plc, developing energy storage and new generation technologies. Graham has raised a total of over £600m for British Cleantech SMEs. Graham was CEO of ITM Power plc, the first hydrogen related company listed on the London Stock Market, a founding member of the UK Government’s Hydrogen Advisory Council and a Board Member of RenewableUK. Graham has a PhD in Physics, an MBA, and is a Fellow of The Energy Institute (FEI), The Institute of Metals, Minerals and Mining (FIMMM), The Institution of Engineering and Technology (FIET) and was awarded the Lifetime Fellowship Award by The Bessemer Society. Graham is a Non-Executive Director of Cadent Gas, Board Advisor to ASCO plc and a Patron of CleanupUK.

Richard Mills

Richard Mills

Independent Non-Executive Director

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Read biography: Richard Mills

Richard Mills has 20 years of experience in the broader food industry, from hospitality to primary food production, working across the UK and the Middle East. Richard started his career with Ernst & Young in 1999 and qualified as a Global Chartered Management Accountant whilst working with Kraft Foods in Dubai within their Middle East & Africa business.

Daryl Hollands

Daryl Hollands

Financial Controller

Melanie Eckersley

Melanie Eckersley

QHSE Director

Peter Cotter

Peter Cotter

Head of group Marketing