SaaS billing combines recurring subscriptions, usage charges, and taxes. Everhour turns approved billable work into client-ready invoices.
Fill in your details, add line items, hit Print when ready.
| Description | Qty | Rate | Tax | Amount |
|---|
The calculator gives you the number — Everhour takes it from there.
One click and you're timing. Start a timer, add an entry, edit the details. This is exactly how it feels in Everhour.
Set a budget, assign rates, and get alerted before you're over.
Measurement
Track your budget through time or costs
Every report you need — configured your way, always up to date.
Tracked hours flow straight into a polished invoice — no copy-paste, no manual math.
SaaS companies invoice recurring access to a product or service, commonly monthly or annually, with day, week, month, or year intervals also available. A useful invoice shows the customer, seller, billing period, currency, subscription line, subtotal, tax total, total due, amount paid, amount remaining, and payment status.
The same customer can also need one-time invoice items, such as implementation, setup, off-cycle support, or migration work. Keep those lines separate from the recurring subscription charge so the buyer can see what renews and what does not. A clear SaaS invoice reduces approval delays because it matches the contract, quote, and billing period.
Usage-based SaaS billing depends on recorded usage events during the billing period. The invoice must translate those events into a metered line item that the customer can audit, such as extra seats, API calls, storage, or transactions. The unit, period, and quantity need to be visible enough for the customer to trace the charge.
Quotes often come before the first invoice. A SaaS quote can combine recurring charges, one-time items, discounts, and taxes, then become an invoice, subscription, or subscription schedule after acceptance. The practical mistake is mixing quoted setup work, subscription access, and variable usage into one vague description. Separate lines protect the approval path.
The United States has no national VAT or GST invoice regime, and there is no single federal private-sector invoice form. For ordinary SaaS companies, invoice content is mainly a recordkeeping and contract matter. Sales and use tax depends on state and local rules, nexus, product or service taxability, seller registration, and where the customer receives the product or service.
SaaS tax treatment is jurisdiction- and product-specific. California generally taxes retail sales of tangible personal property and only some service or labor charges, while Texas defines 16 broad taxable service categories. Payment collection also needs clarity: the invoice either charges a stored payment method automatically or gives payment instructions with a configured number of days until due.
A free invoice tool works for a one-off SaaS invoice, a manual setup fee, or a small customer that needs a PDF with payment instructions. It is enough when the billing period, line items, tax treatment, and payment status can be handled manually without creating reconciliation risk.
A managed workflow becomes necessary when tracked billable time, expenses, implementation work, and support projects feed invoices every month. Everhour Billing & Invoicing converts tracked billable time and expenses into invoices, calculates amounts from rates while excluding non-billable tasks, supports client defaults and invoice customization, and exports invoices to QuickBooks Online, Xero, or FreshBooks.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
High Performer
G2
Summer 2026
Best Ease Of Use
Capterra
Summer 2026
Rated in the top time trackers across G2, Capterra, and TrustRadius — with consistent praise for ease of use, integrations, and support.
A SaaS invoice commonly includes seller and customer details, customer tax IDs when relevant, currency, billing-period dates, subscription line items, one-time invoice items, subtotal, tax totals, total due, amount paid, amount remaining, and payment status. The invoice should also make payment instructions or automatic collection status clear.
Usage-based SaaS invoices should connect the billed amount to recorded usage events from the billing period. Show the metered item, billing period, quantity, unit price, and total. Avoid vague labels such as "usage overage" without a quantity or period because the customer cannot verify the charge.
United States SaaS invoices do not use a national VAT or GST registration number because the United States does not have a national VAT or GST invoice regime. Sellers that make taxable sales may need state-level sales-tax registration, depending on nexus, product taxability, customer location, and state or local rules.
Setup fees and subscriptions can appear on the same invoice when the contract or accepted quote supports both charges. Put them on separate lines. The setup fee is a one-time invoice item, while the subscription line represents recurring access for a defined billing period.
Failed subscription payments usually move through retry and dunning settings in the billing system. Depending on the configured collection rules, the subscription can become past due, unpaid, or canceled. The invoice record should show payment status, amount paid, amount remaining, and the customer's next required action.
Everhour Billing & Invoicing converts tracked billable time and expenses into invoices, calculates amounts from rates, and excludes non-billable tasks. SaaS teams can use client settings, taxes, discounts, payment terms, and invoice customization before exporting drafts to QuickBooks Online, Xero, or FreshBooks.
Everhour marks invoiced time after it is included in an invoice, so the same approved work does not appear again in future invoices. Invoice status, number, issue date, and amount sync back after export, keeping project billing records connected to the accounting workflow.
Track approved implementation, support, and project time, then generate invoices from billable work and expenses. Everhour connects SaaS billing records to accounting exports and invoice status.
14-day free trial · No credit card · Cancel anytime
