Thrive, the Belfast-based provider of employee communications software and support, has secured strategic investment to help facilitate its plans to grow users fourfold to one million by 2022. The company is also initially creating 10 new jobs in marketing, software development, and customer care.  Thrive provides software and support to make employee communications easy and cost-effective. Its client-base includes councils, healthcare companies, manufacturing businesses, food firms, retailers and other organisations across the UK, Ireland and internationally.