Compare models

Choosing a PMO maturity model

A high-level comparison of PMO-MI®, P3M3, OPM3 and CMMI.

Focus

PMO-MI®: PMOs and the services they provide

P3M3: Portfolio, programme and project management

OPM3: Organisational project management

CMMI: Process improvement (development, services)

What it looks at

PMO-MI®: 24 PMO service domains, maturity and impact

P3M3: Seven perspectives across three models

OPM3: Best practices and capabilities

CMMI: Practice areas and capability levels

Measures impact separately

PMO-MI®: Yes

P3M3: No

OPM3: No

CMMI: No

Free starting point

PMO-MI®: Yes, Tier 1 in ~20 minutes

P3M3: Self-assessment available

OPM3: Limited

CMMI: No

Benchmarking

PMO-MI®: Across countries and industries

P3M3: Limited

OPM3: Limited

CMMI: Appraisal-based

Output

PMO-MI®: Dashboards, roadmap, target operating model

P3M3: Maturity level

OPM3: Improvement plan

CMMI: Maturity / capability level

	PMO-MI®	P3M3	OPM3	CMMI
Focus	PMOs and the services they provide	Portfolio, programme and project management	Organisational project management	Process improvement (development, services)
What it looks at	24 PMO service domains, maturity and impact	Seven perspectives across three models	Best practices and capabilities	Practice areas and capability levels
Measures impact separately	Yes	No	No	No
Free starting point	Yes, Tier 1 in ~20 minutes	Self-assessment available	Limited	No
Benchmarking	Across countries and industries	Limited	Limited	Appraisal-based
Output	Dashboards, roadmap, target operating model	Maturity level	Improvement plan	Maturity / capability level

Based on publicly available descriptions of each model. P3M3, OPM3 and CMMI are trademarks of their respective owners.

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