A clean, minimal personal invoice for freelancers, gig workers, and independent individuals. Edit the values on the left, preview the finished document instantly, and export it as a PDF without leaving the page.
Enter your business identity and billing contact details.
Recommended: square PNG or JPG for the cleanest invoice header.
Bill To (Customer Information)
Enter customer name and address for the BILL TO section.
Items
Add invoice line items, descriptions, quantity, and rate.
Invoice Details
Invoice number, dates, notes, and totals for this template.
Subtotal:$2,350.00
Total:$2,350.00
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Industry Invoice Templates | Eonebill
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Growing template collection for industry search intent
Built around high-intent invoice search topics
Each page opens the same editor, preview, and export flow
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This collection will keep expanding. Start with the current templates below, then choose the layout that best fits your billing workflow, client type, and document style.
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The editor experience mirrors the public Eonebill flow: editable billing data on the left, live preview on the right, and direct format export once the invoice is ready.
What to Include
Your business name, professional license or credential number where applicable, address, phone, and email
Client's name, company name, and billing address
Invoice number, invoice date, due date, and client matter or file reference number
Itemized services rendered: description of each service or session, date performed, hours or units billed, applicable rate, and line total
Total fees, any retainer or advance payment credited, balance due, payment terms, and accepted payment methods
Reference specific services, dates, and matter or case numbers on every line item — vague descriptions like 'professional services' are the single most common cause of delayed payment in professional service billing
For retainer clients, send invoices on the same date each month without exception — predictability in billing builds trust and makes it easier for clients to budget and approve payment quickly
For regulated professions — law, medicine, accounting, financial advisory — ensure your invoice format and terminology comply with your state licensing board's billing requirements
Include a brief plain-language description of what each service accomplished for the client (e.g., 'Prepared and filed Q1 payroll tax returns') — outcome-oriented descriptions reinforce value and reduce disputes
Everything you need to know about professional-services invoices
What should a professional services invoice include?
A professional services invoice should include your firm's name, address, and contact information; your professional license number if applicable to your field; the client's name, company, and billing address; a unique invoice number, the invoice date, and the due date; and an itemized list of services with the date each was performed, a clear description, the time spent or units billed, your rate, and the line total. Add a matter, file, or project reference number to help clients route the invoice to the right account. Show any retainer balance applied, the net amount due, your payment terms, and your accepted payment methods.
How do I invoice clients on a monthly retainer arrangement?
For retainer clients, issue an invoice at the start of each month for the agreed retainer amount. As you perform work against the retainer, track time or services rendered. At month-end, send a detailed activity statement showing what services were performed, how many hours were used, and the retainer balance remaining. If work exceeded the retainer, issue a supplemental invoice for the overage. If the retainer was underutilized, note the rollover balance (if your agreement allows it) or credit it forward. Retainer invoicing works best when it's tied to a signed engagement letter that defines the monthly amount, what is included, and what triggers overage billing.
What's the difference between hourly billing and flat-fee invoicing in professional services?
Hourly billing means you charge clients for the actual time spent on their matter, billed at your stated hourly rate. The final invoice amount varies based on how much time the work required. Flat-fee billing means you charge a fixed price for a defined scope of work regardless of how long it takes. Hourly billing is common in law, accounting, and consulting where project scope is hard to predict. Flat fees are increasingly popular for well-defined deliverables like tax preparation, incorporation filings, website audits, or marketing campaigns. Flat fees are easier for clients to budget, reduce billing disputes, and often allow you to earn more per hour when you work efficiently.
How should I handle a client who disputes a line item on my professional services invoice?
Respond promptly and professionally in writing. Ask the client to identify the specific line item they're questioning and why. Then provide your supporting documentation: calendar entries, meeting notes, email correspondence, time-tracking logs, or case records that substantiate the work performed. If the entry is legitimate, explain it clearly and stand your ground with documentation. If you find a legitimate error, issue a corrected invoice or credit note immediately and thank the client for raising it. For retainer clients, sharing a detailed monthly activity report alongside invoices prevents most disputes before they happen. Disputed invoices that are left unresolved for more than 30 days become significantly harder to collect.
Are professional services subject to sales tax in the US?
In most US states, professional services — legal, accounting, consulting, financial advisory, therapy, and medical services — are not subject to sales tax. However, the rules vary by state. A handful of states, including Texas, Hawaii, South Dakota, and New Mexico, tax certain professional services. Some states tax IT services, digital marketing, or software consulting. If your services include any tangible component — such as printed reports, physical products, or software — those components may be taxable even if the service is not. The safest approach: consult a tax professional in each state where you do business to confirm your sales tax obligations, and include or exclude tax on invoices accordingly.
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