The keyword here is assets! If you are planning a video to tell the story of your year in product launches, award successes and media coverage it’s important to assemble all the bits and pieces in a folder first and then send them to the production company all in one go via dropbox or They will love you for this as theres nothing worse than assets arriving in dribs and drabs and blocking the mail server. Into that folder you can also put your guide powerpoint presentation to help the designers understand what goes where. Simple!