TMMi Test Process Improver

The TMMi Test Process Improver certification demonstrates advanced knowledge and skills in the areas of testing, TMMi, process improvement and assessments.

Holders of the Certified TMMi test process improver qualification have demonstrated competence and knowledge in four key areas:

  • The TMMi Model

  • Testing processes, roles and practices

  • Process improvement

  • Process assessments

There is no theory exam required to attain TMMi Test Process Improver certification. Candidates fulfilling the requirements should submit all evidence by email.

Among the prerequisites for the TMMi Test Process Improver Certificate are the TMMi Professional certification, as well as two ISTQB Certified Tester certificates (excluding CTFL)



TMMi Model (including process improvement)

Hold the TMMi professional certificate

Testing processes, roles and practices

Hold two ISTQB certificates, or equivalent, other than the ISTQB Certified Tester Foundation Level. This could be any of the Advanced Level modules or a module from the Agile or Specialist streams. Note that also other, being non-ISTQB, test certificates can be submitted in this area to demonstrate in-depth testing knowledge.

Process Assessment

Process assessment knowledge and skills can be demonstrated in various way, including:

  • holding accredited TMMi Assessor or TMMi Lead Assessor status

  • holding accredited SCAMPI (Standard CMMI Appraisal Method for Process Improvement) Appraiser or Lead Appraiser status

  • holding the ISTQB Expert Level Improving the Testing Process – Part 1: Assessing Test Process certificate

  • attended an assessor course with a TMMi accredited Assessment Service Providers

  • attended an assessor course on the TMMi Assessment Method (TAM)

  • assisted, for at least 24 hours, with an informal TMMi assessment lead by an accredited TMMi assessor, or a formal TMMi assessment led by an accredited TMMi lead assessor.

All requirements of TMMi Test Process Improver certification are available directly from the TMMi Website.

Certible® is authorised by the TMMi Foundation as exam provider for TMMi certifications.

TMMi exam provider certificate