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Welcome to Scarecrow Consultants Limited


Scarecrow Consultants are a tool-independent model-based systems engineering consultancy, formed in 2014 by Prof Jon Holt and Simon Perry with a mission to

‘promote the use and application of Model-Based Systems Engineering (MBSE) in businesses worldwide, by pioneering new and pragmatic techniques for MBSE in the real world'

All Scarecrow Consultants are true experts in the theory and real-life application of MBSE and are recognised at an international level.




  • The MBSE Embassy
    Just launched - our new monthly video production - the MBSE Embassy! Presentations on all things MBSE-related, including: concepts, applications, interviews and much more. Visit the MBSE Embassy  on our YouTube channel.

  • Scarecrow's 2019 MBSE Extravaganza a great success
    Many thanks to the more than 150 people from 50+ organisations who came to Scarecrow's first two-day MBSE Extravaganza and made it a great success. We had over 100 people each day which concluded with panel sessions where topics were discussed, prompted by Kraftwerk's "The Model", the James Bond character Plenty O'Toole, Donald Trump and Stonehenge!

    If you were unable to attend this MBSE Extravaganza, then look out for details of our next one, or why not have us come and run one in-house for you?

    Launched at INCOSE UK's ASEC2018, both the Participants and Facilitators Guides to Scarecrow's innovative approach to problem solving, TeamStorming, published by INCOSE UK, are now available. For details, see here.

  • A new Monster has been sited...
    We are happy to announce the publication of the 3rd edition of "SysML for Systems Engineering: 3rd edition: A model-based approach" (known to many as The Monster) . For details see here.

  • Interested in promoting STEM?
    Then check out our STEM page today.


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