
At Sentinel Data, based near Portsmouth, Hampshire, we specialise in delivering top‑tier Managed IT Services tailored for local businesses in and around Portsmouth. We take the stress, risk and complexity out of your technology so you can focus on what matters: running & growing your organisation.
When your systems fail, you need help without delays. Being close to Portsmouth means we know the area, understand local infrastructure, and can dispatch engineers quickly when needed. Our local presence ensures faster response times and a more personalised service.
We provide comprehensive support under one roof. From network management and cloud services to cybersecurity and on-site or remote support, we cover every aspect of your IT. This means you don’t need to juggle multiple suppliers — everything is taken care of by one reliable local partner.
We offer a complete range of IT services to businesses in Portsmouth. This includes fully managed Microsoft 365 environments, as well as SharePoint, Teams, and other collaboration tools to keep your workforce productive and connected. Our cloud services cover everything from virtual desktops and hosted servers to hybrid solutions and public cloud infrastructure.

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