Maturity level 1 – Initial
At this level, there is no proven processes and has no stable environment in the organization.
This type of organization frequently exceeds the budget and schedule.
Maturity level 2 – Repeatable
These organizations have basic processes that are established to track cost and schedule. They have guidelines to repeat the same in the next similar project.
Maturity level 3 – Defined
In this category, processes are well characterized and understood and are described in standards.
Maturity level 4 – Managed
These organizations are much more matured than level 3 where processes are only qualitively predictable whereas in level 4 companies, processes are accessed using statistical and other quantitive technique.
Maturity level 5 – optimizing
These organizations persistently try to improve performance through innovative technological improvement.