The ITIL® Qualification Scheme involves five disciplines, which represent a Service Lifecycle framework that strengthens alignment with the business while improving cost effectiveness and productivity.
Service Strategy - Service Design - Service Transition - Service Operation - Continual Service Improvement.
The ITIL® Qualifications scheme provides a modular approach to ITIL® Certification and is comprised of 4 levels of certifications focusing on different aspects and degrees of depth:
ITIL® Foundation
ITIL® Intermediate
ITIL® Expert
ITIL® Master
The modular structure makes the certification more flexible, thus more accessible and achievable. Each certificate carries a number of credits towards the advanced level qualifications. A minimum of twenty-two credits is required to achieve the ITIL® Expert level qualification.

ITIL® V2 Certifications
Credits for ITIL® V2 Certifications
Individuals with existing ITIL® V2 qualifications can use those qualifications as credits.
Find ITIL Training Centres and Exam Centres in your country.
As of August 2011, ITIL has been updated to ITIL 2011. The updates were designed to improve the publications, making them more clear and consistent. The attached FAQs provide detailed information on the list of the updated publications.