There is a search bar on the navigation bar of every page that you visit in the app. You can use this to search for any of the following:
Company trading name
Internal reference number
Port (code, name, country, city)
Supplier (company name, contact first name, contact last name)
Quote (number, last name, email)
Shipment (EXPL, MBL, HBL, Container numbers)
User (email, first and/or last name)