Why is SSO so important? Single sign-on (SSO) is an increasingly useful tool for companies around the world. It allows all their employees, partners and customers to access the applications and services they need, all from one set of credentials. You may already know what SSO is, but do you know why it’s so important to thousands of businesses around the world? With the global Identity and Access Management market projected to almost triple in size from its 2020 figure by 2028 - growing from $12.26 billion to a staggering predicted $34.52 billion - it’s clear that most organisations are taking tools like SSO seriously. Here are just a few of the benefits single sign-on brings to the table. Benefits of Single Sign-On Companies using single sign-on to grant end-users access to their applications notice a wide range of benefits for themselves, their employees and their customers. Some of.