Certification, standards and industry recognition

Many of our customers, particularly in the public sector and industries where communications and information are mission critical, rightly demand that we have in place the appropriate certifications to recognised standards. These independently audited certifications demonstrate our commitment to driving for the highest quality of standards for our products, systems and underlying infrastructure.

Company Awards

Sunday Times Top 100 Companies To Work For

The Sunday Times Best Companies to Work For 2015 recognises the opinion of Britain’s motivated workforces and it is widely acknowledged as the most searching and extensive research into employee engagement carried out in this country. All the scores and ratings that are assessed to compile the lists are based on employee opinions and companies are scored in the following categories: The Sunday Times 100 Best Small Companies to Work For (SMEs of up to 250 employees), 100 Best Companies to Work For in the 250-4,999 employee range, the 25 Best Big Companies to Work For with 5,000-plus in the workforce and the 100 Best Not-for-Profit Organisations to Work For. In 2017 Gamma was voted in the ‘Best Company to Work For’ list for the fifth consecutive year.


Best Company

Being a Best Company is an external recognition of the emphasis we place on recruiting and retaining the best people and giving them the trust and freedom to do a great job in looking after our customers, our technology and, ultimately, our future.


Sunday Times Top Track 250 and Profit Track 250

The Sunday Times Top Track 250 league table ranks Britain’s growth mid-market private companies with the biggest sales. The Sunday Times Profit Track 100 table ranks Britain’s 100 private companies with the fastest-growing profits, based on their latest 3 years of available accounts.

Industry Awards

Comms Business Awards

The Comms Business Awards recognise excellence in the channel. Acknowledging the successes of the reseller community, these Awards are one of the industry’s most sought-after accolades.

Comms National Awards

The Comms National Awards are independently judged by a panel of experts to recognise vendors for the service and solutions they offer to channel partners and resellers. Comms Dealer magazine was the first to recognise excellence in the channel and the Comms National Awards remain one of the channel’s most respected and coveted prizes.


ITSPA – the Internet Telephony Services Providers’ Association – is the voice of the next generation communications industry. It is a UK membership-led organisation that represents companies who provide or resell business and residential customers’ voice services over data networks (VoIP) as well as other “over the top” applications including instant messaging and video. The membership is a mixture of network operators, service providers, resellers, suppliers and consultants involved in a sector that is diversifying rapidly from just voice services to other innovative IP applications. In 2016 and 2017, Gamma won ‘Best VoIP Infrastructure’ for its market-leading Gamma SIP Trunks service.


Company Accreditations

ISO 9001; ISO 14001; ISO 22301; ISO 27001; CHAS (Contractors Health and Safety Assessmnt Scheme); Carbon Neutral; Cyber Essentials