itil certification ITIL 4 offers additional techniques to provide even greater efficiency in ITSM,  increased collaboration, and an emphasis on value—but ITIL v3 lays the groundwork for ITIL 4. However you decide to approach the ITIL framework, knowing the ins and outs of it can be beneficial to your service desk and everyone that uses it—employees and service providers alike. Each certification level provides a different level of understanding, but each is valuable in ensuring the overall success of your organization.