HR consultants send estimates when a new client asks for a defined project such as a handbook, an audit, a compensation review, or a training day, and for retainer proposals. Clients often compare several consultants, so they look at deliverables, timeline, and whether the price is fixed or open-ended.
When to use estimates: Use estimates to provide project quotes and get client approval before starting work. Once approved, convert your estimate to an invoice with one click to collect payment.
Create an invoice for payment collection
Upload logo
PDF will be generated with filename:
Invoice_1001_Client_2026-10-14.pdf
List each document, policy, training session, or report by name and approximate length so the client knows exactly what they receive.
Headcount and states of operation affect how many policies are needed and which laws apply, and changes to either can change your price.
State how many rounds of edits are included and who gives final approval, so a handbook doesn't go through endless rewrites.
Delays often come from the client not sending existing policies, payroll data, or feedback. Set deadlines for their inputs and note that your schedule moves if they are late.
Clarify that you do not provide legal advice, that attorney review is separate, and that implementation or ongoing updates are not included unless listed.
Name which costs are billed in addition, such as travel, background checks, and survey tools, and whether they are at cost.
State the deposit, milestone amounts, and how long the quote is good for, since client needs and compliance rules can shift.
| Service | Priced | Typical range |
|---|---|---|
| General HR advisory | per hour | $100-225 |
| Employee handbook creation or rewrite | flat fee | $2,500-8,000 |
| Workplace investigation | per hour | $150-300 |
| I-9 or HR compliance audit | flat fee | $1,500-5,000 |
| Monthly HR retainer (small business) | per month | $750-3,500 |
| Job description and compensation review | flat fee | $2,000-7,500 |
| Manager or harassment prevention training | per session | $750-2,500 |
| Recruiting support | per hire (flat or % of salary) | $2,000-6,000 or 15-20% |
Typical US ranges. Rates vary by region, experience, and job size.
Work out research, drafting, review calls, and revisions in hours, add a buffer of 15-25%, and multiply by your rate. Present the total as a flat fee so clients can budget.
A basic, standard, and comprehensive option, such as handbook only, handbook plus manager training, or handbook plus a full compliance audit, helps clients choose and often leads to the middle option.
The scope of an investigation is hard to predict. Give an estimated hour range, require a retainer, and agree to check in with the client before exceeding the range.
When proposing a retainer, compare it to what the same hours would cost at your hourly rate and list what is included, such as response times and a monthly check-in call.
Many HR consultants offer a free 20 to 30 minute call to understand the need. For larger audits or compensation studies that require reviewing documents beforehand, a paid discovery session that is credited toward the project is reasonable.
30 days is common. Employment laws and client headcount change, so an expiration date lets you reprice if the situation is different when they accept.
Treat it as a change order. Give a short written add-on with the extra fee and timeline, and get approval before doing the extra work.
It is possible for narrow, well-defined matters, but most consultants use an hourly estimate because the number of witnesses and documents is unknown at the start. Explain the range and agree on an update point.
Use the HR Consultant invoice template to bill the client, or convert this estimate once it's approved.
HR Consultant invoice template