KaiInvoiceKaiInvoice

Built for UK trades

KaiInvoice — invoices done in minutes, not hours

Create, send, and track invoices and estimates for plumbing, heating, electrical, and trade services across the UK.

Invoice & trade management for UK professionals

Start 14-day free trial See features
  • No card required for trial
  • Works on mobile & desktop
  • From £15/month after trial
KaiInvoice dashboard

Invoices & estimates

UK VAT, CIS, deposits, and digital signatures built in.

AI trade assistant

Diagnose faults, check van stock, and quote faster on site.

Secure sharing

Customer portal links with expiry — no more lost PDFs in email.