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DSI

In Dartford, South East

Managed IT support and security services for businesses in Kent and London.

Visit website Call 0208 017 0007 Write a review Updated 07 Sept 2026

From the provider

DSI is a Dartford-based IT solutions provider offering managed IT support, cybersecurity and infrastructure services to businesses in Kent and London. The company serves global organisations as well as small businesses through partnerships with vendors including Dell Technologies, HPE, Cisco, Palo Alto Networks and Microsoft. Services include managed network and security, help desk and device management, cloud solutions (AWS, Azure, Microsoft 365), backup and disaster recovery, digital workspace solutions, and IT infrastructure design and deployment. DSI operates from its head office in Dartford's Bourne Industrial Estate and has been in business for over 30 years.

Services DSI offers

Managed IT support Day-to-day support, monitoring and maintenance for a fixed monthly fee. Helpdesk and remote support A support desk your staff contact by phone, email or portal when something stops working. Cyber security Protecting systems and data from attack, and responding when something gets through. Microsoft 365 Setting up and running Microsoft 365 email, files, Teams and user accounts. Cloud and hosting Moving servers and applications to hosted infrastructure, then running them there. Backup and disaster recovery Copies of your data held off-site, and a tested plan for getting back to work after a failure. Networking and Wi-Fi Wired networks, Wi-Fi, firewalls and internet connections across your sites. VoIP and telecoms Phone systems that run over your internet connection, including numbers and call routing. Hardware and procurement Buying, configuring and replacing laptops, desktops, servers and peripherals. Projects and consultancy One-off work such as an office move, a migration or a new system rollout.

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Services DSI offers

Managed IT support Day-to-day support, monitoring and maintenance for a fixed monthly fee. Helpdesk and remote support A support desk your staff contact by phone, email or portal when something stops working. Cyber security Protecting systems and data from attack, and responding when something gets through. Microsoft 365 Setting up and running Microsoft 365 email, files, Teams and user accounts. Cloud and hosting Moving servers and applications to hosted infrastructure, then running them there. Backup and disaster recovery Copies of your data held off-site, and a tested plan for getting back to work after a failure. Networking and Wi-Fi Wired networks, Wi-Fi, firewalls and internet connections across your sites. VoIP and telecoms Phone systems that run over your internet connection, including numbers and call routing. Hardware and procurement Buying, configuring and replacing laptops, desktops, servers and peripherals. Projects and consultancy One-off work such as an office move, a migration or a new system rollout.

Questions people ask about DSI

What services does DSI offer?
DSI offers Managed IT support, Helpdesk and remote support, Cyber security, Microsoft 365, Cloud and hosting, Backup and disaster recovery, Networking and Wi-Fi, VoIP and telecoms, Hardware and procurement, Projects and consultancy.
Where does DSI provide IT support?
DSI is based in Dartford and also serves London.

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