A foundation for life-long personal development

By defining personality type, the MBTI® (Myers-Briggs Type Indicator) tool builds a robust foundation for life-long personal development. It provides a constructive, flexible and liberating framework for understanding individual differences and strengths.

The MBTI tool: personality type revealed

MBTIThe MBTI instrument is the best known and most trusted personality assessment on the market, and OPP is its exclusive European distributor. Far more than just personality tests, MBTI Step I and Step II provide a constructive, flexible framework that can be applied to all areas of human interaction and personal development. The MBTI profile reveals how we see and interact with the world, giving insight into our motivation and the motivation of others. This provides a strong foundation for personal growth and development, underpinning enhanced personal effectiveness.

  • MBTI Step I identifies personality type, made up of four basic preferences, and provides a positive framework to explain how we interact with the world and each other
  • MBTI Step II drills into the detail of Step I preferences, providing insight into the unique way in which we express our personality type

Starting with an understanding of MBTI type, the MBTI framework supports a far-reaching and lifelong Development Journey which embraces many common challenges in the workplace, and outside it:

Applications of the MBTI

OPP: exclusive European supplier of the real MBTI tool*

OPP is the official European distributor of the MBTI tool and associated products. This means that when you buy from OPP, you know you are getting the genuine article - the version created by Isabel Myers and Katharine Briggs, and backed up by 70 years of rigorous research. There are many free personality assessments out there - and some even give you a four-letter type, which looks just like MBTI information. The MBTI framework comes with a quality guarantee that ensures the results are as accurate as possible, and that qualified practitioners are expert in applying the tool in an ethical way that acknowledges the role of each individual in determining their own type.

How do I buy the MBTI tool?

In order to maintain rigorous standards of quality in the field of personality assessment, access to the MBTI questionnaire and associated products is restricted to qualified MBTI practitioners. This means that in order to use and buy the MBTI tool, you must attend our MBTI Foundation Programme. However, there may be a quicker route to gaining access, depending on what qualifications you already hold. Visit our MBTI training page to find out more.

* NB Assessio is OPP's approved sub-distributor for the MBTI tool in Sweden, Norway and Finland.


  • Coaching
  • Communication and influencing
  • Conflict management
  • Decision-making
  • Leadership development
  • Managing change
  • Team development
  • Career development
  • Career orientation

Why use MBTI insights?

Why use MBTI insights?

Qualify to use this tool: discover options for MBTI training and applications

Related case study

See how DVLA uses MBTI to develop leaders and drive change

DVLARead the full DVLA case study

Want to know what independent, peer-reviewed research supports the reliability and validity of the MBTI? Download our selection of key research

Looking for a consultant to deliver the MBTI tool for you? Talk to OPP about our UK Consultancy Services on 01865 404 500, or or find a partner outside the UK