Ceres Power Holdings is a fuel cell technology and engineering company. Co. is working with partners to embed its SteelCell™ technology in mass-market energy products for the commercial, residential and transportation markets. SteelCell™ is Co.'s Solid Oxide Fuel Cell. SteelCell™ is a perforated sheet of steel with special screen-printed ceramic layers that electrochemically convert a variety of fuels directly into power. The principal activity of Co.'s subsidiary, Ceres Power Ltd is the commercialisation and continued development of Co.'s fuel cell technology.

ITM Power designs and manufactures integrated hydrogen energy systems for energy storage and clean fuel production. Co.'s subsidiaries include: ITM Power (Research) Limited, which is engaged in the research and development of scientific and engineering projects; ITM Power (Trading) Limited, which develops and manufactures prototype products; ITM Energy Ltd, ITM Fuel Ltd, and Orkney Hydrogen Trading Ltd, which sell hydrogen; ITM Motive, is engaged in the production of drivetrains for use with hydrogen; and ITM Power GmbH, ITM Power Inc, and ITM Power ApS, which sell electrolysis equipment and hydrogen storage solutions.

NEL ASA develops diagnostic tests for early detection of diseases. Co.'s patented method is based on identifying disease-specific gene expression signatures from sample materials, such as blood. Co.'s products in development phase include MCItect, for patients with Mild Cognitive Impairment (MCI) aimed to detect Alzheimer disease within two years prior to onset of dementia, and ADtect, for the detection of mild to moderate Alzheimer disease, as well as one project in discovery phase, namely AMYtect, for brain amyloid detection.