Everhour turns marketing time and project data into reports, while your invoice still needs clear scope, rates, and terms.
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| Description | Qty | Rate | Tax | Amount |
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You came here to produce a client-ready invoice for marketing consulting work, usually tied to strategy, campaigns, audits, content, ads, analytics, or ongoing advisory support. The invoice should show the client exactly what they are paying for, the period covered, the payment deadline, and any tax or reimbursable expense lines that apply under the agreement.
A usable invoice also protects the consultant's scope. A line such as "Q2 paid search optimization, April 1-April 30, fixed monthly retainer, $3,500" gives the client a clear approval path. For hourly work, connect the charge to tracked time, the agreed rate, and the work category, such as account audit, landing page review, or reporting call preparation.
Marketing consultants commonly bill hourly, daily, by fixed project fee, by monthly retainer, or through value-based pricing tied to client outcomes. A 2023 Consulting Success survey of nearly 1,000 consultants found project-based pricing at 30%, hourly pricing at 29%, retainers at 16%, value pricing at 15%, and daily rates at 10%.
Each model changes the invoice structure. Hourly consulting uses tracked hours multiplied by the hourly rate. Project billing uses a flat fee for defined deliverables. Retainers use a set monthly amount and need scope controls. Value-based work needs a signed proposal, SOW, or agreement that defines the goal, responsibilities, and payment trigger before the invoice goes out.
A complete marketing consulting invoice names the consultant and client, invoice number, invoice date, payment due date, service period, line items, rates or fees, subtotal, tax line if applicable, reimbursable expenses, deposit credits, total due, and payment instructions. The proposal, SOW, MSA, or consulting agreement should already define the payment terms, approval rules, and scope boundaries.
U.S. private-sector invoices do not follow one federal invoice-format statute or national VAT/GST invoice regime. Invoices serve as supporting documents for business records, and sales or use tax is a state and local issue. For marketing consulting, any tax line depends on the applicable jurisdiction, nexus, service taxability, and place of sale, rather than a single federal invoice rule.
A free invoice tool is enough for a one-off project, a simple fixed-fee audit, or a first invoice created from a signed proposal. It works when you already know the amount, client details, payment terms, and tax treatment. The risk starts when invoices depend on weekly time, changing scopes, multiple campaigns, team contributors, or expenses that need approval before billing.
A managed workflow gives you a system of record. Everhour Reporting can group and filter consulting time by project, client, member, task, date range, billable status, cost, revenue, and invoice status, then export reports in CSV, Excel/XLSX, or PDF. That matters when the invoice needs backup for a retainer, a time-and-materials campaign, or a client review meeting.
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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The billing model should match the agreement. Hourly work needs tracked hours and an agreed hourly rate. Project work needs a fixed fee tied to defined deliverables. Retainers need a recurring monthly amount and clear scope controls. Value-based pricing needs written terms that define the outcome, payment trigger, and client responsibilities before the invoice is issued.
Many consultants request 50% to 100% upfront, especially for new engagements, but the enforceable rule is the contract, proposal, SOW, or agreement. Put the deposit amount, due date, refund treatment, and remaining balance terms in writing. The invoice should show the deposit as a separate line or credit so the client sees the remaining amount due.
A U.S. marketing consulting invoice needs a tax line only when state and local rules require tax for the specific service and sale. The United States has no national VAT or GST invoice regime. Service taxability varies by state and service type, and remote-seller nexus rules also vary by state after South Dakota v. Wayfair.
List reimbursable expenses separately from consulting fees. Use a clear description, date or campaign reference, amount, and documentation rule from the agreement. Common examples include approved ad spend, research tools, travel, stock assets, or vendor pass-through costs. The proposal or contract should state which costs are reimbursable and whether the client must approve them first.
Scope disputes usually start when the invoice uses broad labels such as "marketing services" without the campaign, deliverable, service period, or approval reference. Use line items that match the proposal or SOW. A retainer invoice should name the month and covered services. A project invoice should tie the fee to a milestone or defined deliverable.
Everhour Reporting lets marketing consultants build reports with 45+ columns, including client, project, task, member, billable time, cost, revenue, profit, and invoice status. Reports can be grouped, filtered, scheduled by email, or exported in CSV, Excel/XLSX, or PDF for invoice backup and client review.
Everhour Billing & Invoicing turns tracked billable time and expenses into client invoices. Users can select uninvoiced time, preview the breakdown, group line items by project, task, person, date, or other available views, and export invoice drafts to QuickBooks Online, Xero, or FreshBooks.
Track approved consulting time by client, project, and task, then use Everhour Reporting to support cleaner invoices, stronger client reviews, and better profitability visibility.
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