The quote you signed, the money you are owed.
From the quote you signed to the money you are owed. Bill is designed to connect invoices, payment records and thoughtful reminders—with Celia preparing and your team approving.
Read the full product concept
Centilio Bill is invoicing software for a growing business. The quote signed in Sign becomes the invoice without retyping; the invoice carries a payment link; the reminders write themselves in your words and stop when the money lands; and the one number an owner asks for — what is owed today — is on the screen. Priced per business, not per seat: free to start, then $19 a month for everyone.
Product design preview · Bill has not shipped. All features, screens and prices are proposals.
Bill is not available yet. These are proposed screens, features and prices—not a beta, payment service or live invoicing product. All console actions affect fictional data in this page only.
Type a quantity. Review the draft. Mark a sample paid.
Explore a fictional invoice: edit line items and illustrative tax, review the exact draft, then simulate approval. Mark a sample invoice paid to update receivables. Nothing leaves this page.
Meridian Studio
London · sample data, not a real customer account
Explore locally. Nothing is sent, saved, charged, scheduled or synced to another product. Bill has not shipped.
Terms: Net 14. Due 14 days after issue.
Sample rates only. This does not determine the applicable tax or produce a compliant tax invoice.
- Subtotal
- US $4,800.00
- Illustrative tax
- US $960.00
- Invoice total
Six sample invoices
What is owed, by age.
Due in the next 30 days: US $11,450.00. Due dates only—not a prediction or guarantee of collection.
Change a sample line, then review the invoice. Approval is always yours.
Where the money actually goes missing.
The quote nobody invoiced
Signed, delivered, forgotten for nine days Sign tells Bill; Bill drafts it
The invoice nobody chased
"I'll do it Friday" — for three Fridays The sequence runs; you approve the words
The customer who always pays late
And is quoted the same terms again You see the pattern before you agree
The number nobody has
"How much are we owed?" — "I'll check" On the screen, per customer, by age
Bill connects the quote, document, identity and credentials.
The one who remembers the money.
Celia drafts the invoice from the signed quote, notices the customer whose payment pattern is slipping and suggests a deposit before you agree the next job, writes each reminder from what that customer has actually done rather than a template, and stops the sequence the moment the money lands.
It never sends an email by itself, never changes an amount and never moves money. It drafts; a person approves; the trail records who and when.
Quote, invoice, get paid, chase, see the money.
Quotes and estimates
Build a quote in your brand, send it for signature through Sign, and keep the version the customer actually accepted.
FreeSigned quote becomes the invoice
The moment a quote is signed, the invoice is drafted with the same lines, dates and terms. Nothing is retyped and nothing drifts.
FreeProforma and deposits
Ask for half up front, invoice the balance on completion, and let the two documents know about each other.
ProThe invoice itself
Line items with quantity, rate, discount and tax; your logo, colours and notes; PDF and a link; sequential numbering per entity and per financial year.
FreeTax that fits the country
GST for India with GSTIN, HSN/SAC, place of supply and the CGST/SGST/IGST split; VAT and sales tax elsewhere; the rate on the document, not in your head.
FreeMulti-currency
Invoice in the customer's currency with the rate stamped on the day, and see your own totals in yours.
ProCredit notes and part payments
Refund, adjust or split without deleting history; the trail stays intact for your accountant.
Proe-invoicing (IRN) and e-way bills
Indian e-invoice registration with the signed QR, and e-way bills for goods.
Pro · after launchAgeing, and what should arrive.
Receivables in four buckets — not due, 1–30, 31–60, 60+ — and what should arrive in the next 30, 60 and 90 days based on when each customer actually pays rather than when they promised. Mark an invoice paid and the buckets move.
On Business, purchase bills and expenses go against a customer or a project, so the margin on a job is a fact rather than a feeling.
Members are free. Everyone can invoice.
Proposed, in US dollars, with billing arrangements proposed for launch; annual prices are proposed monthly equivalents billed for 12 months. Nothing is charged until Bill ships.
Proposed per-business prices, with unlimited members. Annual prices are monthly equivalents billed for 12 months; no exact 20% discount is promised. Confirm final features, payment arrangements and applicable taxes at launch.
per business / month
US $0 for one month
For a business finding its feet
- Unlimited members
- 100 invoices a year
- Quotes and estimates
- One payment link
- Tax-ready templates in your brand
- Filed into Drive
per business / month
US $19 for one month
For a business that invoices every week
- Everything in Free
- Unlimited invoices and customers
- Recurring invoices and subscriptions
- Reminder sequences and Celia's chasing
- Multi-currency
- Customer portal
per business / month
US $49 for one month
For a business with entities, approvals and an auditor
- Everything in Pro
- Several entities under one bill
- Approval rules
- Bills and expenses in
- Expected cash and job margin
- Audit export, API, portal on your domain
Prices are proposals, excluding taxes. Annual totals use the rounded monthly equivalents × 12. No exact 20% discount or available checkout is promised.
Invoicing questions, answered plainly.
Can I use Bill today?
No. Bill has not shipped: there is no app, no beta and no waiting list of users. These pages are the product as designed, and the console above is that design running in your browser. Ask us to tell you when it opens and you will hear first.
So why publish the page at all?
Because a page that says "coming soon" tells you nothing, and because we would rather be held to a design in public than quietly change our minds. If something here is wrong for your business, now is the useful time to say so.
What can I use in the meantime?
The free invoice generator on this site makes a proper invoice in a minute with no sign-up, and Sign, Drive and Account are live today — the three tools Bill sits between.
Is Bill accounting software?
No, and it will not pretend to be. Bill is quotes, invoices, payments and chasing. There is no chart of accounts and no trial balance; your accountant gets free read-only access and an export in the columns their system wants.
Who processes the payments?
Stripe. Money moves between your customer and your Stripe account; Bill records what Stripe reports and never touches, holds or sees a card number. UPI, Razorpay and PayPal come after launch.
Will it handle GST?
Yes: GSTIN, HSN/SAC, place of supply, the CGST/SGST/IGST split and sequential numbering, on the invoice at launch. e-invoicing with the IRN and signed QR, and e-way bills, come after launch, and filing stays with your CA or the portal.
How will it be priced?
Per business, not per user, like the rest of Centilio: free to start, $19 a month for the whole business on Pro, $49 on Business. Everyone in the business can send an invoice or look at what is owed without buying a seat. The prices are proposed and may move before launch; if they do, the page will say so.
Is the console on this page real?
This is a React sample running locally in your browser. Review and approval change only the sample; no invoice, payment link, email, reminder or Drive file is created.
What people add after Bill.
The tools Bill sits between. Check each product’s current stage while Bill is built.
The proposed shared record connects these products as they launch. Follow each product page for its current stage.
Be told when Bill opens.
Wave 2 is the next build after the currently available tools. Leave your name and you will hear before the announcement — and in the meantime the free invoice generator is yours.