Basic Invoicing
Create and manage invoices effortlessly. Track payments, due dates, and billing status all in one place.
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Simple and effective billing
Create professional invoices, track payments, and manage your billing all in one place.
Quick Invoices
Create and send invoices in minutes
Payment Tracking
Monitor payment status and due dates
Client Billing
Manage billing for multiple clients
Why agency invoicing matters more than you think
Cash flow follows clean billing
An invoice that's wrong gets queried and parked. Pulling tracked time straight into invoices kills disputes and shaves days off your average payment cycle.
End the month-end scramble
Reconciling a spreadsheet of hours, retainers, and out-of-pocket expenses on the 30th eats a finance person's whole week. Connected invoicing automates the boring 80%.
Bill what you actually delivered
Manual billing routinely under-bills. When invoices roll up from real time entries, fixed fees, and milestones, no work falls through the cracks.
Invoicing connected to the work you actually did
Standalone invoicing tools handle the document; they don't know what was delivered. So your finance person re-types the same hours from the timesheet, looks up the rate, copy-pastes the project description, and hopes nothing changed since last month. Each step is a chance to under-bill, mistype a rate, or miss an expense entirely. By the time the invoice goes out, you've burned hours of admin time and quietly given away revenue.
Monton's invoicing pulls directly from tracked time, fixed-fee milestones, and project expenses, so generating a month's worth of invoices is a review-and-send exercise rather than a data-entry one. For a 15-person agency invoicing 25 clients, that means a finance person spends an afternoon reviewing instead of three days assembling. The invoices go out earlier, payments arrive sooner, and disputes drop because every line item ties back to a real time entry the client can verify.
Agency invoicing FAQ
Does Monton replace tools like QuickBooks or Xero?
Monton handles the operational invoicing layer, generating invoices from time and milestones. For accounting, taxes, and bookkeeping, it integrates with QuickBooks, Xero, and similar tools rather than replacing them.
Can I invoice retainers and fixed-fee projects, not just hourly?
Yes. Monton supports time and materials, fixed-fee, milestone, and recurring retainer billing, often combined on a single invoice for clients who use multiple engagement types.
How does Monton handle multiple currencies and taxes?
Each client can have their own currency and tax configuration, so a UK agency invoicing US, EU, and UK clients gets the right format, VAT treatment, and currency on each invoice automatically.
Can clients pay invoices online from Monton?
Online payment links are on the roadmap. For now, Monton generates clean PDFs you can send through your existing payment provider or accounting tool with no manual rekeying.