Customer records, contacts, addresses, and importing from CSV or Sage, Xero, QuickBooks or FreeAgent.
Getting Started with Brisk: Add Your Customers Go to Customers → Add New Customer .
There are four related things worth keeping separate.
You don't need to enter an existing customer list one at a time.
A Brisk customer can be linked to the matching customer/contact in your connected accounting package.
Messaging is attached to Contacts rather than directly to the customer record.