Science Group plc (SAG.L) is an international science and technology consultancy and systems organization that provides technical and scientific advisory, product development, and regulatory services to clients in the industrial, defence and aerospace, medical, and consumer sectors including food and beverage; its systems businesses supply submarine atmosphere management systems through CMS2, primarily to the UK defence sector, and DAB/DAB+ radio chips, modules, and connected audio products through Frontier to the consumer electronics sector. Founded in 2008 and headquartered in Cambridge, United Kingdom, the Group operates offices across Europe and North America, including locations in London, Bristol, Epsom, Sacramento, Washington D.C., London Ontario, and Shenzhen, supporting a global client base in over 100 countries with more than 380 consultancy employees, two R&D centres in Cambridge and Epsom, and multilingual staff fluent in over 30 languages. In 2025, the Group built a significant stake in Ricardo plc starting February, becoming its second-largest shareholder at 20.08% by April before selling most of its 21.8% holding to WSP Global Inc. in June at 430p per share for approximately £53.5 million in cash proceeds, realising a pre-tax net return of around 70% on its average acquisition cost of 239p per share and retaining a small position for future strategic opportunities.