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SDI Group plc (formerly known as Scientific Digital Imaging plc)

Delivering Our Vision Of Strategic Growth

SDI designs and manufactures scientific products for use in applications including life sciences, healthcare, astronomy, consumer manufacturing and art conservation markets.

The Company continues to grow through its own technology advancements, as well as through pursuing strategic, complementary acquisitions.

investors section

SDI Share Price & Chart

SDI’s shares are listed on the AIM market of the London Stock Exchange under the SDI ticker. Check out the latest share price, review the accounts, and see our presentations.

our companies

SDI Portfolio of Companies

Atik Cameras

Atik Cameras designs and manufactures highly sensitive cameras. These are marketed for life science and industrial applications under its Artemis brand and for deep-sky astronomy imaging as Atik cameras.

Quantum Scientific Imaging

Quantum Scientific Imaging – design and manufacture scientific cameras for applications that require superior imaging performance such as astronomical, life science, research and industrial imaging.

Opus Instruments

Opus Instruments are the team behind the Apollo and Osiris cameras, world leaders in the field of infrared reflectography (IRR).


Synoptics designs and manufactures scientific instruments based on digital imaging, for the life science research, microbiology and healthcare markets


Syngene produces equipment for life scientists to image and analyse electrophoresis gels used for DNA and protein analysis.


Synbiosis develops and manufactures a range of automated colony counting and zone sizing products for the microbiology laboratory in food, water, pharmaceutical and clinical applications.

Fistreem International

Fistreem International designs and manufactures water purification products and vacuum ovens.

Graticules Optics

With a pedigree going back over 70 years, Graticules Optics is a proven world-class designer and manufacturer of precision micropattern products. Graticules Optics is unique in offering photolithographic products on glass, film and in metal foil, with the added bonus of coatings, cementing, mounting and small optical assembly.


Sentek manufactures and markets off-the shelf and custom-made electrochemical sensors for water based applications. These sensors are used in laboratory analysis, in food, beverage and personal care manufacture, as well as the leisure industry.

Astles Control Systems

Astles is a supplier of chemical dosing and control systems to different manufacturing industries including manufacturers of beverage cans, engineering and motor components, white goods, architectural aluminium and steel.

Applied Thermal Control

Applied Thermal Control designs and manufactures precision re-circulation chillers, coolers and heat exchangers used to control the thermal environment within a wide variety of applications including within the scientific instrument support market (including electron microscopes, X-ray, diffraction and mass spectrometers.


MPB Industries

MPB designs, manufactures and sells a range of flowmeters and control instrumentation with applications in water treatment, power generation, gas and oil production, human medical anaesthesia, aviation, pharmaceutical, pollution control, scientific analysis, educational and many other areas.

Chell Instruments

Many of Chell's solutions incorporate instruments and components such as thermal mass flow meters and controllers and capacitance manometers produced by their Principals, with all of whom Chell have enjoyed long-standing relationships.

Monmouth Scientific

Monmouth Scientific Limited are one of the UK’s leading designers, manufacturers and suppliers of Clean Air Solutions.

They specialise in Filtration Fume Cupboard and Ducted Fume Cupboard installations alongside Laminar Flow and Class II Biological Safety Cabinets.

Uniform Engineering

Uniform Engineering's team of expert precision metal manufacturers have a wealth of experience in providing the highest quality, bespoke metalwork solutions for Commercial and Industrial sectors.

A trusted partner in precision metalwork and bespoke fabrication for decades – our innovation and technical knowledge is exceptional.