Everhour tracks billable work by client and project, then helps professional-services teams turn approved time into invoices.
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Use this page when you need a polished invoice for consulting, accounting, design, technical, advisory, or other professional-services work. The finished document should identify the client, provider, invoice date, invoice number, payment terms, due date, and each service line. For service work, the key line-item fields are service date, description, units or hours, unit rate, and total.
Professional-services invoices commonly support hourly billing, fixed-fee engagements, recurring retainers, milestone billing, and reimbursable expenses. A consulting firm might bill 12 hours of strategy work at $175 per hour, plus approved travel. A bookkeeping service might invoice a recurring monthly package. The invoice records the charge; the signed agreement or statement of work controls the scope, price, and payment obligation.
Time-and-materials billing fits work where the extent, duration, or cost cannot be estimated accurately before the contract starts. The invoice charges direct labor hours at agreed hourly rates and separately lists allowed direct costs, such as travel, incidental services, computer usage charges, or subcontracted work when the contract permits those items.
Fixed-fee work uses an agreed price that does not change based on the provider's actual cost experience, so the provider carries more cost overrun risk. Larger professional-services projects often use progress invoices tied to milestones, while ongoing services often use weekly, monthly, or quarterly recurring invoices. Upfront deposits and partial payments belong in the payment terms and should match the engagement terms.
The United States does not have a national VAT or GST invoice regime, and private-sector businesses do not follow one prescribed federal invoice format. Sales and use tax depends on state and local rules, the seller's nexus, the service type, and where the sale is sourced. 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 terms should be explicit. Net 30 means the client must pay within 30 days of the invoice date, and it is common for professional-services invoices. Late fees are a business-term choice, not a universal rule, so state late-payment expectations before collection issues arise. Federal contract invoices are different: FAR rules define proper invoice fields and generally use a 30-day payment timing standard.
A free invoice template works for a single client, a one-time project, or a small fixed-fee engagement where the totals are already known. It also works when you need a clean record after a completed service, a quote converted into a final invoice, or a straightforward payment request with no approval workflow behind it.
A managed workflow becomes useful when multiple people track billable and non-billable time across clients, projects, tasks, and rates. Everhour supports project billing status, task-level non-billable controls, custom task rates, member-rate exceptions, and admin reports for billable time, non-billable time, billable amount, and cost, so the invoice starts from approved work instead of rebuilt notes.
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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A professional-services invoice should include provider and client details, invoice date, invoice number, payment terms, due date, and itemized service lines. Each service line should show the service date, description, quantity or hours, unit rate, and total. Add approved reimbursable expenses, taxes where applicable under state and local rules, and clear remittance instructions.
An invoice is a payment request and transaction record, not a signed contract. The signed agreement or statement of work protects scope, price, deliverables, payment obligations, deposits, retainers, and expense pass-throughs. Use the invoice to reflect the agreed terms, then keep the agreement as the controlling document if the client disputes the charge.
Hourly billing fits uncertain work where the effort, duration, or cost cannot be estimated accurately at the start. Fixed-fee billing fits defined work with clear scope and deliverables. Milestone billing fits larger projects, and recurring invoices fit ongoing services. The right structure is the one stated in the engagement terms before work begins.
Professional-services invoices in the United States do not use a national VAT or GST regime. State and local sales and use tax rules control whether a service is taxable, whether the seller must register, and which rate applies. Do not add a generic tax line unless the service, seller, customer location, and applicable jurisdiction support it.
Vague line items delay approvals. A line that says "professional services" gives the client little to verify. Use service dates, specific descriptions, hours or units, rates, totals, and approved expense details. For retainer, milestone, or progress invoices, label the billing period or milestone so the client can match the invoice to the agreement.
Everhour lets admins set project billing status, mark specific tasks as non-billable, use custom task rates, and set member-rate exceptions. Admin reports can show billable time, non-billable time, billable amount, and cost, so professional-services teams can review client charges before invoice preparation.
Everhour Billing & Invoicing converts tracked billable time and expenses into client invoices. Teams can select uninvoiced time, preview the breakdown, group invoice lines by project, task, person, or date, and exclude non-billable work before sending the invoice forward.
Track billable and non-billable professional-services work by client and project, review the approved totals, and create invoices from the same records with Everhour.
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