Invoicing That Actually
Gets You Paid
Create, send, and track invoices with automatic reminders and Stripe payment links, so you can focus on your work.
No credit card required
Powered by Stripe•Over £0 processed
Create Invoices in Seconds
Choose from professional templates, add your details, and send invoices to clients with just one click.
Choose Your Template
Choose from our professional templates, add your logo and brand colours.
Add Your Details
Add your client's details, your company details and your invoice details. Leave the rest to Flow.
Send Your Invoice
Send your invoice to your client with one click. We'll handle following up and reminders for you.
Unlock Lifetime VIP access with a one-time payment. No monthly or yearly fees.
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Meet Unaccountable
The companion app for freelancers who need more than invoicing. Manage your tax return, expenditure, and income in one focused place.
Flow helps you get paid. Unaccountable helps you stay on top of what you earn, what you spend, and what you owe HMRC.
Built for UK freelancers.
Tax Returns
Prepare for Self Assessment with organised records, HMRC-aligned summaries, and export-ready reports.
Expenditure
Track receipts, categorise spending, and keep business expenses tidy throughout the year.
Income
See what you earned at a glance with clear income breakdowns and profit insights.
Simple, transparent pricing
Start free, upgrade when you're ready. No hidden fees.
Powered by StripeTrack everything
Monitor your invoices in real-time, get automatic reminders, and track your income with detailed reports.
Real Time Status
See your invoice status in real time, from payment received to overdue.
Automatic Reminders
We automatically send reminders when invoices are overdue, so you never miss a payment.
Detailed Reports
Get detailed reports on your invoices, including payment history, overdue invoices, and more.
Cashflow Overview
Get a clear overview of your how much you are owed and how much you've been paid.
Integrated Payments
Integrate your Stripe account to get paid directly into your bank account.
Join other freelancers and contractors who have already made the switch to Flow.
Get StartedTrusted Integrations
We integrate with the most popular payment processors to make it easy for you to get paid.
Stripe
Let your customers pay how they want
PayPal
Coming SoonGet paid directly to your bank account
Plaid
Coming SoonSeamless banking integration
Always Up-to-Date with HMRC Regulations
We keep our compliance rules current with the latest HMRC requirements
Last Updated
1 January 2026
HMRC compliance rules
HMRC Compliant
Tax regulations
CIS deductions & VAT
ICO Registered
Data protection
GDPR compliant
Loved by freelancers and small businesses
See what our users have to say about their experience with Flow Invoicing.
Why freelancers choose Flow
Save 90% of your time
Create invoices in 2 minutes instead of 30. Spend more time on billable work.
Get paid 3x faster
Smart reminders mean faster cash flow for your business.
Look professional
Beautiful, branded invoices that make you look like the pro you are.
Ready to get paid faster?
Join thousands of freelancers who've already made the switch to effortless invoicing.
3-day free trial • No credit card required
