STL Tech Competitors

O2 is the commercial brand of Telefónica UK Limited and is a leading digital communications company with the highest customer satisfaction for any mobile provider according to Ofcom. With over 23 million customers, O2 runs 2G, 3G, 4G and 5G networks across the UK, as well as operating O2 Wifi and owning half of Tesco Mobile. O2 has over 450 retail stores and sponsors The O2, O2 Academy venues and the England rugby team. Read more about O2 at http://www.o2.co.uk/news. We believe that by thinking big we will create new possibilities for people and the planet. If you believe anything is possible and if you like to make things happen, then this is the place.

GTT is a leading networking and security as a service provider for multinational organizations, simply and securely connecting people and machines to data and applications – anywhere in the world. We serve thousands of organizations, bringing together the right people, partners and technology to reduce the burden on IT teams and solve the most pressing networking and security challenges. Built on our top-ranked global Tier 1 network, GTT Envision is a single global technology platform to connect, orchestrate, virtualize and automate enterprise networks, enabling customers with consumable solutions to achieve business missions and meet ongoing demand when, where and how needed. Our portfolio includes SASE, SD-WAN, security, internet, voice and other connectivity options, complemented by a suite of professional services and exceptional sales and support teams in local markets around the globe. We partner with our customers to deliver Greater Technology Together. www.gtt.net.

We deliver innovative, high-quality networking and communication products, applications and services that break down the barriers facing UK organisations today. Our fibre-optic network is our crown jewel, and we’re investing £3 billion to bring it to even more of the UK. For over 20 years we’ve worked with organisations of all sizes across all sectors, both nationally and locally, helping them to meet new customer expectations and rise to challenging market conditions. Whether you're looking to grow and evolve your business with ultrafast connections, empower your staff with secure mobile access to corporate data and applications, or gain the guidance you need to unleash your digital potential, our portfolio of solutions provide the communications technology to help drive your digital transformation.