Accountant billing needs clean fee detail and client records. Everhour keeps time, reports, and invoices connected.
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Accountants commonly bill fixed monthly bookkeeping fees, hourly advisory work, tax preparation fees, consultation fees, or recurring engagement charges. The invoice should show the client, invoice date, invoice number, service period, service description, billing basis, amount due, payment terms, and remittance details. For United States private-sector work, no single federal invoice format controls ordinary accountant invoices, so clarity and records matter more than matching a national template.
Invoices also support the firm's own books. IRS Publication 583 lists invoices as supporting documents that help show the amounts and sources of gross receipts. A practical accountant invoice gives the client enough detail to approve payment and gives the firm enough detail to reconcile income, expenses, and receivables later.
The billing lines should follow the signed engagement terms. A monthly bookkeeping client may see one fixed-fee line for "Bookkeeping services, May 2026." A tax planning client may see hourly advisory time by staff member or service category. An IRS-practice fee schedule can state fixed fees for routine services, hourly rates, fee ranges for particular services, and initial consultation fees.
Cost responsibility deserves its own line when the client pays filing fees, software charges, postage, or other reimbursable costs. Circular 230 requires published IRS-matter fee information to state whether clients are responsible for costs when costs may be incurred. The invoice should separate professional fees from reimbursable expenses so the client sees the service charge and the pass-through amount clearly.
United States invoices do not use a national VAT or GST registration number. Sales and use tax is state and local, and service taxability changes by jurisdiction 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. An accountant invoice should apply the state and local tax treatment that fits the client, service, and place of sale.
Professional rules can change the invoice decision. The AICPA Code bars members in public practice from preparing an original or amended tax return or refund claim for a contingent fee, and Circular 230 restricts contingent fees for IRS matters. Significant unpaid attest fees tied to services provided more than one year before the current-year attest report date create an AICPA independence threat that is not at an acceptable level.
A one-off template works for a single client invoice, a new fixed-fee engagement, or a quick consultation bill. It is enough when the fee is already known, the tax line is straightforward, and the firm only needs a PDF or saved record. The template still needs consistent invoice numbers, payment terms, service dates, and a clear description tied to the engagement.
A managed workflow becomes useful when billable time, staff rates, recurring work, expenses, and invoice status need to stay connected. Everhour Reporting gives firms customizable reports with 45+ columns, grouping, filters, exports, and scheduled delivery, so billed and unbilled work can be reviewed before invoices go out. That record is stronger than rebuilding accountant invoices from separate timesheets and spreadsheets.
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An accountant invoice should include the client name, firm name, invoice number, invoice date, service period, service description, billing basis, amount due, payment terms, and remittance details. For United States private-sector clients, invoice format is mainly a recordkeeping and contract matter, since there is no single federal private-sector invoice form.
Separate the lines by billing basis. A fixed monthly bookkeeping fee should appear as one fixed-fee service line, while advisory or tax work billed by time should show the rate, time, and service description. This structure lets the client compare each charge to the engagement terms.
Sales tax depends on state and local rules, nexus, service taxability, and where the sale occurs. The United States has no national VAT or GST invoice regime. Some accounting services are not taxable in one state and taxable in another, so the invoice should reflect the applicable state and local treatment.
The AICPA Code bars members in public practice from preparing an original or amended tax return or claim for tax refund for a contingent fee. Circular 230 also restricts contingent fees for IRS matters, with specific exceptions for examinations or challenges, certain penalty or interest refund claims, and judicial proceedings under the Internal Revenue Code.
AICPA guidance says client-provided records may not be withheld for nonpayment of retrieval, copying, or shipping fees, and required records generally should be made available no later than 45 days after request. Member-prepared records or work product may be withheld for unpaid fees tied to that specific work product, subject to stricter state or federal requirements.
Everhour Reporting lets accounting firms build reports with 45+ columns, filters, grouping, date ranges, and exports in CSV, Excel/XLSX, or PDF. A firm can review billable time, non-billable time, costs, invoice status, and project data before turning work into client billing.
Everhour Billing & Invoicing turns tracked billable time and expenses into invoices, excludes non-billable work, and supports client defaults for taxes, discounts, and payment terms. Invoices can be exported to QuickBooks Online, Xero, or FreshBooks as drafts for final accounting review.
Use Everhour Reporting to review billable work, costs, invoice status, and client activity before invoices go out. Keep accountant billing tied to clear records and cleaner billing reports.
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