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Development Approach

Retainer vs Project Based

Compare the pros and cons of retainer vs project-based models. Find out which model suits your needs best.

Reviewed by Michael Kerkhoff, as of

Definition
Choosing between retainer and project-based models can significantly impact your business strategy. This comparison delves into both approaches in detail.
Category
Development Approach
Options
RetainerProject Based

Detailed Comparison

A side-by-side analysis of key factors to help you make the right choice.

Retainer vs Project Based
FactorRetainerProject Based
availabilityGuaranteed Hours WinnerProject Scope
flexibilityOngoing Support WinnerDefined Deliverables
CostMonthly FixedProject Fixed
commitmentLong TermShort Term
Total Score · 2 ties2 / 40 / 4

Key Statistics

Real data from verified industry sources to support your decision.

Executives planning to maintain or increase third-party outsourcing investment — Deloitte Global Outsourcing Survey (2024)
80%
Organizations using outsourced services for front-office capabilities — Deloitte Global Outsourcing Survey (2024)
50%
Organizations that selectively insourced some scope in the last five years — Deloitte Global Outsourcing Survey (2024)
70%

All statistics come from verified third-party sources. Source, year, and direct link are shown on each metric.

When to Choose Each Option

Clear guidance based on your specific situation and needs.

Our Recommendation

Retainer models provide stability and long-term collaboration, while project-based models offer flexibility and adaptability. Choose based on your business goals.

Choose Retainer when...
  • Prefer long-term collaboration with stability.
  • Need ongoing support and maintenance.
  • Focus on building lasting relationships.
Choose Project Based when...
  • Need flexibility for changing project scopes.
  • Focus on short-term goals and deliverables.
  • Require adaptability in resources.

Common questions about this comparison answered.

Frequently Asked Questions

(01)What happens to unused retainer hours?
Policies vary. Some retainers roll over unused hours (1-2 months), others expire. Good retainers have flexibility built in. Discuss this upfront.
(02)How much retainer do I need?
Start with estimated monthly needs + 20% buffer. Track actual usage and adjust. Many start at 20-40 hours/month and scale based on actual demand.
(03)Can I cancel a retainer?
Most retainers have 30-60 day notice periods. This protects both parties – the agency reserves capacity, you get reliably reserved availability. Terms should be clear upfront.

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