The phrase "to expand the offering" refers to the action of increasing or broadening the range of products, services, or options that a company provides to its customers or clients. Full definition
And it too has shown an interest in expanding its offerings of TV - style content such as live sports. (fortune.com)
Since launching the resource in 2006, she and her team have expanded the offerings in response to educator and industry interest. (edutopia.org)
Many organizations and governments are currently in the process of expanding their offerings for parental leave and specifically leave for new fathers. (thenewdad.org)