Upgrade from Ubercart to Drupal Commerce

We just completed upgraded our site from Drupal 6 using Ubercart to Drupal commerce. The project involves custom migration of data from drupal 6, enhancing the reservation modules of corporate passes and facilities. It also include custom modules for the purchase of tickets (Kidzania and Sentosa passes), registrations for the annual OLive Run, Dinner & Dance, 

Revamp commerce site  from Drupal 6 to Drupal 8
Activities Registration
Custom Cart for ticket purchase
Multi-step form for race registration