Lanmark Limited is an IT Managed Services Provider headquartered in Dartford, Kent, serving businesses across London and Southeast England since 1993. We provide unlimited IT support priced per user, 24/7 Managed Detection and Response (MDR) security monitoring, and Microsoft 365 cloud services — making enterprise-grade IT and cybersecurity accessible to SMBs.
Lanmark holds Microsoft's Support Service Designation, an accreditation held by fewer than a dozen companies worldwide. Our per-user pricing model removes the complexity of per-device and per-incident billing, giving growing businesses simple, predictable IT costs.
We work with professional services firms, legal practices, finance businesses, and operations-led organisations, typically in the 20–500 user range across London and the wider South East.
Lanmark is one of the UK’s leading cloud specialists. We focus on helping organisations overcome challenges and realise business objectives through cloud enablement, mobility, security and collaboration services.

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