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Cloud Consulting Company

Castle Computer Services

UK partner for Microsoft Dynamics, Infor finance software, managed IT, cyber security and business communications

Castle Computer Services cover

About Castle Computer Services

Castle Computer Services is a UK technology firm that supplies business and finance software alongside IT infrastructure and support. It says it has been working with customers for more than 40 years and serves organisations of all sizes across a range of industries.

What Castle Computer Services offers

  • Microsoft Dynamics — developing, deploying and supporting Business Central, Dynamics NAV and Dynamics 365 apps for sales, field service, marketing and customer service, plus add-ons such as subscription billing and payroll.
  • Microsoft Power Platform — Power Apps, Power Automate, Power BI and Power Virtual Agents.
  • Infor and Pegasus finance — financial management systems including Infor SunSystems, Infor OS and Infor d/EPM.
  • Managed IT and cyber security — IT support, Cyber Essentials, SentinelOne, security monitoring and staff cyber training.
  • Cloud and backup — data centre and virtualisation services, Microsoft Azure and the modern workplace, and disaster recovery with Datto and StorageCraft.
  • Business communications — internet connectivity, WiFi and cabling, business mobiles, VoIP and telephone systems.

Who it works with

The firm works with enterprises and smaller organisations across many sectors, with customers throughout the UK.

Key facts

  • Based in: United Kingdom
  • Experience: more than 40 years
  • Platforms: Microsoft, Infor, Pegasus

Profile written by TrustList from the business's own published information, Sep 2026.

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What the business tells TrustList

Founded
1986 (40 years) evidence sent

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