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 Best 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 2016 Gamma was voted the 46th Best Company to Work For.

100 best companies sunday times 2017 100 best companies sunday times 2016 100 best companies sunday times 2015 100 best companies sunday times 2014 100 best companies sunday times 2013

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.

Best Company 2017 Best Company 2016 Best Company 2015 Best Company 2014 Best Company 2013Best Company 2012

Sunday Times Top Track 250 and Profit Track 100

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.

Top track 250 logo 2013 Profit track 100 logo 2014 Profit track 100 logo 2014;

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.

Commsbusiness Award Connectivity 2016 Commsbusiness Award Market Maker Wholsale 2016 Commsbusiness Award Customer Service Finalist 2016Commsbusiness Award - Channel Product - Cloud Based Solutions - 2015Commsbusiness Award - Network Operator Of The Year 2014Commsbusiness Award - Network Operator Of The Year 2013 Comms business awards finalist 2013Commsbusiness Award - Fixed line network 2013Commsbusiness Award - Mobile virtual network operator 2013 Commsbusiness Award - Fixed line network 2011Commsbusiness Award - Network operator 2010 Commsbusiness Award - Network operator 2008

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.

CNA 2016 award - Hosted Platform Winner CNA award - Channel mobile network provider 2013CNA award - Channel mobile network provider 2013 CNA award - Channel mobile network provider 2013CNA award - channel fixed line network provider 2013CNA award - best channel isp 2013CNA award - channel fixed line network provider 2012CNA award - channel mobile provider 2012 CNA award - fixed line carrier 2011CNA award 2010CNA award 2009


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, Gamma won ‘Best VoIP Infrastructure’ for its market-leading Gamma SIP Trunks service.

Gamma winners of ITSPA Best Voice infrastructure 2016

Company Accreditations


ISO 9001 registered firmISO 14001 registered firmLloyds register quality assurance ISO22301Lloyds register quality assurance ISO 001Chas accredited contractorCarbon neutral certifiedCyber Essentials

ISO 9001

ISO 14001

ISO 22301

ISO 27001

CHAS (Contractors Health and Safety Assessment Scheme)

Carbon Neutral

Cyber Essentials