Shearwater Group plc provides cybersecurity, managed security services, and professional advisory solutions focused on organisational and digital resilience for corporate clients. The company operates through Software and Services segments; the Software segment designs and builds compliance and security software including SecurEnvoy for identity and access management, data discovery tools for regulatory compliance and digital transformation, and AI-driven endpoint protection; the Services segment delivers managed cyber solutions, penetration testing and red teaming via Pentest, risk management advisory, security operations centres, IR35 solutions, and third-party technical integrations through Brookcourt Solutions. Key subsidiaries comprise SecurEnvoy, Brookcourt Solutions, and Pentest, serving blue-chip customers across multiple countries from offices in the United Kingdom. Founded in 2004 and headquartered at 22 Great James Street, London WC1N 3ES, Shearwater targets enterprises in high-growth cybersecurity markets with a strategy emphasising Security-as-a-Service platforms and SaaS models. Recent developments include reporting £39.5 million in revenue for the 15-month period ended 30 June 2025, reflecting annualised growth of 29% alongside adjusted EBITDA of £2.2 million up 91% annually; securing major contract renewals such as an £8.4 million UK government deal and six-figure G-Cloud 14 consulting wins; investing in in-house AI tools for RFP processing and scalability; and achieving ISO 42001 certification for responsible AI governance at Brookcourt Solutions, alongside director share purchases in November 2025 signalling confidence.