In case you missed it, Mindville is now part of Atlassian. Check out Atlassian's partner directory here.
Trinidad Wiseman has been conducting user research, systems analysis, business analysis and usability studies from a human-centric perspective since late 2007; they have been involved in development since 2006, they have been an official authorised Atlassian Expert since 2008. They are the only Atlassian Gold partner in Estonia, and they aim to achieve Platinum status in the near future. Their track record includes over 1000 successful projects to date. They have two offices - one in Tallinn and one in Rakvere and they are growing rapidly. They are an ISO 9001:2015 certified company. Today with over 80 employees they are the largest UX design, analysis, and Drupal development provider in the Baltic region.
Services: Expert Consultation, License Management, Support, Installation & Configuration, Trainings, Health Check, Jira admin with support, Custom Development. More about services here: https://atlassian.twn.ee/en/services/