Client Retainer Calculator
Structure predictable monthly recurring revenue for agencies and consultants. Calculate monthly retainer pricing, committed client hours, and realized hourly rates to ensure long-term agreements remain mutually profitable and capacity-aligned.
Agreed monthly flat fee billed to client
Target hours allocated to this client per month
Standard standard non-retainer hourly rate
Effective hourly compensation earned under the retainer
How to Use This Calculator
- Enter proposed monthly retainer flat fee.
- Enter total hours allocated to client deliverables each month.
- Specify your standard baseline hourly rate for one-off projects.
- Review realized hourly rate and check whether the volume discount aligns with guaranteed recurring revenue.
Formula & Calculation Methodology
Divides committed monthly flat fee by reserved client service hours to establish effective compensation rate.
Worked Example
$3,500 monthly retainer for 25 hours against a $150/hr target rate
Frequently Asked Questions
Why do agencies offer discounted rates on monthly retainers?↓
Agencies accept a 5% to 15% discount on retainer rates because retainers provide predictable monthly cash flow and eliminate unbillable sales acquisition costs.
What is a "use-it-or-lose-it" retainer clause?↓
A use-it-or-lose-it clause specifies that unused retainer hours expire at month end and do not roll over to subsequent months, protecting agency scheduling capacity.
How should overage hours be handled in retainer agreements?↓
Retainer agreements should specify that hours exceeding the monthly cap are billed at the agency standard hourly rate or a 10% premium.
What is the difference between a work retainer and an access retainer?↓
A work retainer reserves hours for dedicated creative deliverables. An access retainer charges for ongoing strategic counsel and priority availability without guaranteed deliverable volume.
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Source Citation & Disclaimer
Informational tool only; not licensed tax, legal, or financial advice.