IT Service Providers

GCI

UK ICT service provider offering unified communications, cloud, security and network services with several ISO certifications

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TrustList summary

GCI is an ICT service provider with offices around the UK. It delivers fully managed services covering communications, cloud, compliance and security, and networks.

The company describes particular strength in Microsoft Skype for Business and in contact centre services that meet payment card standards.

Products and services

Unified communications: voice and collaboration services, including Skype for Business.
Cloud services: hosted platforms managed on the customer's behalf.
Compliance and security: services to meet data security and payment card requirements.
Network services: connectivity under public sector frameworks.
Contact centre services: PCI-compliant call handling.

Who it serves

A range of vertical markets, served directly and through accredited partners.

Key facts

Certifications: ISO 27001, ISO 14001 and ISO 9001
Payment cards: certified as a PCI Class 1 service provider
Public sector: accredited to G-Cloud and Crown Commercial Service network frameworks
Based in: UK, with offices across the country

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

Categories & features

GCI rankings

GCI is ranked on 1 TrustList ranking at #11.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. GCI 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.

It service provider · 1 ranking

#11of 67
Cloud › United kingdom
It is one of 19 here listing react and one of 20 here listing AngularJS.
Of the 67 here, 71 also cover web development and 67 also cover web design; 4 also work in Ireland and 2 also work in United States of America.
Ahead of Debut Infotech Pvt. Ltd..

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