Horizon Collaborate

Don’t just communicate. Collaborate.

Gamma SIP Trunks

Gamma SIP Trunks

SIP Trunking from the UK’s leading provider

Gamma Ethernet

Gamma Fibre Ethernet

Highly reliable, secure and fast data connectivity for business

hosted phone system from Gamma, called Horizon is an award winning business phone system

Horizon Hosted Phone System

A complete business communications service

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The power of a desk phone on your mobile

Providing voice, data and mobile services for the business market

through our large network of channel partners and also direct


Our award winning product range can drive productivity and help your business grow.

Flexible, scalable and resilient solutions – delivering real business value.

Managed voice, data and mobile services to drive out cost and complexity in your organisation.

Implementing the right communications solution while delivering real value for money.

Find out why we’re consistently voted Best Network Operator of the Year.

Gamma and Pret A Manger
American Golf
Gamma and Crown Paints

You’re never far away from a leading brand or high street shop that is using Gamma Communications. Read more of our case studies here.

Ways to buy a Gamma service

Our awards

Certification, standards and industry recognition.

Gamma Awards

Having our own network gives us more control

We’re a UK carrier and we have our own voice, data and mobile network, giving us more control over the services we offer.

We only provide services for the business market and place huge emphasis on the availability, reliability and quality of the network and platforms that underpin our products. Our network architecture has been built without the hindrance of legacy platforms, enabling simplicity in service delivery and very high levels of automation for service provisioning and support.

Find out more

gamma sip trunking

Gamma SIP Trunks connect your business with our nationwide network, giving you access to the PSTN and provides a more flexible and lower cost alternative to ISDN for inbound and outbound voice calls.

Horizon is a complete business communications service that provides an extensive range of fixed and mobile telephony capabilities via an easy-to-use web portal.

gamma mobile

Gamma Mobile is a mobile service built exclusively for the business market, designed to ensure you get the best possible coverage almost anywhere – on the train, in the car, wherever there is a signal.

As more services move into the cloud, so the need for fast, secure and reliable internet connectivity has become essential. Gamma’s Ethernet products provide highly reliable, secure and fast data connectivity.

Committed to the best in customer service and support

Over 98% of our customers remain with us after the first year of service.

Gamma Communications plc complements its strategy to become the leading provider of UCaaS in Europe.

We’re currently planning our events calendar.

Watch this space for more details.