123-reg is headquartered in England and is a domain registrar and web hosting company. The company claims to be the UK's largest accredited domain registrar that provides Internet services to small- and medium-sized business. Up until 2017, 123-reg was part of Host Europe Group (HEG), which at the time, was Europe's largest privately owned hosting company.
Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.
Zendesk is a cloud-based customer service software solution trusted by over 40,000 organizations worldwide. Companies such as Groupon, Box, and Zappos are using Zendesk to lower costs, raise productivity, and increase customer satisfaction.