Client Retainer Pricing Calculator

How to calculate client retainer pricing?

Retainer pricing is calculated by combining your base labor costs with a scope buffer and a profit margin to ensure business sustainability.

Formula: Total = (Hours × Rate × (1 + Buffer%)) × (1 + Margin%)

Using the Retainer Calculator: An Example

Consider a project requiring 20 Monthly Hours at a $100 Target Hourly Rate with a 10% buffer.

Step-by-step calculation:

1. Calculate Base Labor: 20 hours × $100 = $2,000
2. Apply 10% Scope Buffer: $2,000 + $200 = $2,200
3. Add 20% Profit Margin: $2,200 × 1.20 = $2,640
4. Determine Final Retainer: Your monthly fee is $2,640.

Frequently Asked Questions

Why include a revision buffer?

Most projects experience 'scope creep'. A 10-20% buffer ensures you are paid for minor unplanned requests without renegotiating every month.

What is a healthy profit margin?

For service-based businesses, a 15-30% margin is standard to cover overhead like software, taxes, and insurance.

How often should I review retainer rates?

Review rates every 6-12 months or when the actual hours consistently exceed the expected monthly hours.