Get paid faster.
Without nagging.
Send invoices to your clients. GrumpyWhales watches your bank account and chases overdue payments for you — politely, then less politely. Say thank you when the money arrives.
Start free →UK bank accounts via Plaid · No card required to try
Send invoices
Create, customise and send invoices to clients in seconds. PDF + payment reference auto-generated.
Auto-detect paid
We watch your UK bank account via Plaid Open Banking and mark invoices paid as soon as money lands.
Chase + thank
Overdue? GrumpyWhales sends polite (then firmer) reminders. Paid? A thank-you note goes out automatically.