If you're on the app, you can add a new recipient by clicking on the Recipients icon in the centre of the navigation bar.
On the web app, you can find the Recipients icon on the left-hand side.
From here you'll then be able to add a new recipient dependent on what category they fall into:
1. My Accounts
This is where you'll add your own personal, international accounts.
2. People
This is where you'll add accounts of people you know or want to send money to.
3. Businesses
This is where you'll add accounts of businesses you need to send money to.