CWSI is a Microsoft-focused cybersecurity and compliance services company founded in 2010 in Dublin, Ireland. The company operates across five countries — Ireland, the United Kingdom, the Netherlands, Belgium, and Luxembourg — delivering security and compliance solutions to organisations primarily built on Microsoft technology. Originally established to address enterprise mobility security challenges, CWSI has evolved into a broad cybersecurity services partner. The company holds membership in the Microsoft Intelligent Security Association (MISA) and has been recognised as Microsoft Security Partner of the Year (twice) and Microsoft Compliance Partner of the Year (2024). CWSI's services span security, compliance, and AI innovation, with a focus on Microsoft-first solutions. Their consultants work across areas including Microsoft Purview (data compliance and governance), Microsoft Defender (threat protection), and related Microsoft security tooling. The company positions itself as a managed services and advisory partner, helping organisations reduce risk, meet regulatory requirements, and manage complexity in their IT environments. The company also partners with vendors such as Ivanti and Omnissa alongside Microsoft, suggesting coverage across endpoint management and workspace security domains. CWSI serves clients across Europe and maintains offices in Ireland, the UK, the Netherlands, Belgium, and Luxembourg, with teams delivering both technical implementation and ongoing advisory services.