Reliable invoicing software

Reliable invoicing starts with clean billable records. Everhour connects tracked work, rates, and invoicing for repeatable client billing.

Build your invoice

Fill in your details, add line items, hit Print when ready.

Invoice #
Date
Due date
From
To
DescriptionQtyRateTaxAmount
Subtotal
Tax
Total$ 0.00

Everhour does it all — track, budget, report & invoice

The calculator gives you the number — Everhour takes it from there.

Go ahead — start tracking!

One click and you're timing. Start a timer, add an entry, edit the details. This is exactly how it feels in Everhour.

  • One-click timer — browser, desktop & mobile
  • Works inside Asana, ClickUp, Linear, GitHub & more
  • Simple setup, no learning curve
Works with your favorite tool:
Everhour — Time Tracking
Time Entries
01:24:00
00:31:00
01:07:00

No more budget surprises

Set a budget, assign rates, and get alerted before you're over.

  • Real-time cost tracking
  • Set different rates per person or project
  • Alerts before you hit the budget limit
Everhour — Budgeting
Acme Web Project
1
50% of budget used
$2,500.00of $5,000.00
$2,500.00 remaining
75%
Actual costRemaining cost

Measurement

Track your budget through time or costs

Simple, customizable reports

Every report you need — configured your way, always up to date.

  • See who does what in real time
  • Configure any report
  • Scheduled email reports
Everhour — Reports

Your invoice is ready!

Tracked hours flow straight into a polished invoice — no copy-paste, no manual math.

  • Billable hours straight into the invoice
  • Configure invoice templates
  • Copy invoices to QuickBooks or Xero
  • Invoicing dashboard with status
Everhour — Invoices
Your Company LLChello@yourcompany.com
INVOICE
Invoice #1042
Group by:
DescriptionHoursRateAmount
Website Redesign14h$150/h$2,100.00
Brand Guidelines7h$150/h$1,050.00
Marketing Strategy3.5h$150/h$525.00
Total Due$3,675.00
Try Everhour for real yourself

Invoices that hold up in daily billing

Create invoices clients can approve

A reliable invoice clearly identifies the seller, buyer, invoice number, issue date, due date, line items, subtotal, tax line, total, payment terms, and remit-to details. A strong invoice answers three practical questions fast: who is billing, what work or goods are being billed, and how the buyer should pay.

Keep the invoice distinct from nearby documents. A quote or estimate offers a price before work starts. A receipt proves payment after money has been received. An invoice requests payment for goods delivered, services performed, or a contractual billing milestone, so its fields need to support approval, collection, and recordkeeping.

Include the fields that prevent rework

A reliable invoice number should be sequential inside your business records so you can find, reference, and reconcile it later. Line items should describe the work clearly, with quantity, rate, and extended price for each billable item. Payment terms should state the due date or term, accepted payment method, and any contract-based billing instructions.

For ordinary United States private-sector invoices, there is no single federal invoice-format statute or national VAT/GST invoice regime. The IRS treats invoices as supporting documents that help show income and expenses. Federal contracts are different: FAR 32.905 defines proper invoice fields, including contractor details, invoice date and number, contract references, line items, payee details, and TIN or EFT data when agency procedures require them.

Make tax and payment details reliable

Sales tax on a United States invoice depends on state and local rules, nexus, the product or service sold, and where the sale is sourced. There is no single national sales tax rate. Washington, for example, uses a 6.5% state portion plus a local portion based on where the customer receives the goods or services.

Service taxability also changes by state and service type. California generally taxes retail sales of tangible personal property and only some service or labor charges, while Texas defines 16 broad categories of taxable services. Reliable invoicing software should let you enter the correct tax treatment instead of forcing a flat tax line across every customer.

Move from one-off invoices to billing control

A free invoice is enough for occasional billing when you already know the client, line items, rates, taxes, and terms. It works well for a single PDF, a clean export, or a small job with no recurring time records to reconcile later.

A managed workflow becomes necessary once billable time, non-billable work, project rates, task rates, and approvals affect the invoice total. Everhour can turn tracked billable time and expenses into invoices, exclude non-billable work, group line items by project or task, and keep invoiced time from being reused on a later invoice.

This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.

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Frequently Asked Questions

What makes invoicing software reliable?

Reliable invoicing software preserves the details that affect approval and payment: seller and buyer information, sequential invoice numbers, issue and due dates, line items, tax treatment, total due, payment terms, and remittance details. It should also keep records searchable so you can match invoices to contracts, payments, and income records.

Does a United States invoice need a federal tax invoice format?

Ordinary United States private-sector invoices do not follow a single federal tax invoice format. Businesses may use any recordkeeping system that clearly shows income and expenses, and invoices serve as supporting documents. Federal procurement invoices are an exception because FAR 32.905 defines proper invoice fields for federal contracts.

Should reliable invoicing software add one sales tax rate automatically?

Reliable invoicing software should avoid one automatic national tax rate for United States invoices. The United States uses state and local sales and use tax, not a national VAT or GST invoice regime. Rates and taxability depend on the state, local jurisdiction, product or service, nexus, and where the customer receives the goods or services.

Is an invoice number allowed to repeat?

A repeated invoice number creates reconciliation problems because two documents can point to different buyers, dates, totals, or payments. Use a sequential numbering pattern inside your business records and reserve each number for one invoice. Credit notes, revised invoices, and canceled invoices should keep a clear reference trail.

Are federal contract invoices handled like normal business invoices?

Federal contract invoices have stricter invoice-content rules than ordinary private-sector invoices. FAR 32.905 lists proper invoice fields, and FAR 32.904 generally sets payment due 30 days after the billing office receives a proper invoice or 30 days after government acceptance, with special shorter timelines for some food and construction payments.

How does Everhour separate billable and non-billable work before invoicing?

Everhour supports billable and non-billable time through project billing status, task-level non-billable controls, custom task rates, and member-rate exceptions. Admin reports can show billable time, non-billable time, billable amount, and cost, so invoice totals reflect the work that should actually be billed.

How does Everhour send invoice data to accounting tools?

Everhour can export invoices to QuickBooks Online, Xero, or FreshBooks as drafts. Invoice status, number, issue date, and amount sync back to Everhour, so billing reports stay connected after the accounting system handles delivery, payment tracking, and final bookkeeping.

Keep billable records invoice-ready

Track billable and non-billable work before invoice day. Everhour keeps rates, project billing status, and invoice-ready totals connected for cleaner client billing.

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