Invoice template for data analysts
Clients picture data work as the chart at the end. Most of the hours went into getting access, finding out that the export has three date formats, reconciling two systems that disagree on what a customer is, and documenting what you did. If the invoice says "Analysis", the cleaning is invisible, and the client wonders why the next project is quoted higher.
Ad-hoc requests are the other leak. One more breakdown by region, a quick look at last quarter, can you just rerun it with the new data. Each one is small, together they are days. Log them and bill them, either against a retainer or as their own lines.
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The example lines and prices are illustrations. Replace them with your own.
What data analysts forget to bill
- Data cleaning and preparation as its own line, separate from the analysis.
- Waiting and rework caused by late or changed data access, at the hourly rate.
- Ad-hoc questions and reruns after the main delivery, logged individually.
- BI tool seats, warehouse query costs or paid data sources used for the project.
- Documentation and handover of notebooks, queries and pipelines.
Questions data analysts ask
How do freelance data analysts charge?
Day or hourly rates are most common, with fixed prices for well-defined deliverables like a dashboard or a recurring report. Ongoing support is usually a monthly retainer with a set number of hours for ad-hoc questions.
Should I bill separately for data cleaning?
Yes. It is often the largest part of the job and it varies most between clients. Showing it as its own line also explains why a client with tidy data gets a cheaper quote next time.
How do I bill for dashboard tool licences?
Ideally the client holds the licences in its own account. If you pay for a seat or a connector during the project, bill it as a pass-through with the period it covers, and move it to the client before handover.
Keep the next one in OIO
Numbered automatically, tied to the client and the project, outstanding until you mark it paid. Overdue invoices get their own list and a reminder written for you. Free plan, no card.
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