Cloud Consulting Company

Custom Computer Services

Cardiff IT support company providing managed IT, cybersecurity, Microsoft 365 and connectivity for South Wales businesses

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TrustList summary

Custom Computer Services, trading as CCSW, is an IT support company in Cardiff that has worked with Welsh businesses since 1997. It runs a local help desk for computer, server and network problems, and monitors client systems to catch faults early. The firm holds Cyber Essentials certification and helps clients earn it too.

What Custom Computer Services offers

Managed IT support: unlimited remote and on-site help for desktops, servers, hardware, software and access requests.
Cybersecurity: threat detection, endpoint protection, email security and support with Cyber Essentials and Cyber Essentials Plus.
Connectivity and communications: leased lines, business broadband, cloud phone systems and Microsoft Teams calling.
Microsoft 365: setup, migration, Teams and SharePoint configuration, and ongoing support.
Networks and Wi-Fi: design and support for office networks and wireless.
Backup and disaster recovery: secure backups, continuity planning and IT projects such as server consolidation.

Who it serves

CCSW serves businesses across Cardiff and South Wales, including SMEs and multi-site organisations, on flexible contracts.

Key facts

Based in: Cardiff, Wales
Serving businesses since: 1997
Certification: Cyber Essentials
Other services: software development, cloud solutions and virtualisation

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

Categories & features

Custom Computer Services rankings

Custom Computer Services is ranked on 1 TrustList ranking at #32.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Custom Computer Services has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Cloud consulting company · 1 ranking

#32of 103
United kingdom
It is the only one of the top 68 here listing wi-fi and one of 2 here listing collaboration.
Of the top 68 here, 31 also cover cloud and 25 also cover web development; 5 also work in London and 2 also work in Scotland.
Behind LDeX Group Ltd.

As of 2026-11-15. Organic ranks only; sponsored placements are never ranks. How TrustList ranks