How to Build Your Own ADP
Replace ADP with a custom build. Human capital management and payroll solutions for businesses of all sizes
Build Difficulty: 4/5
A few focused days to build a solid replacement
Estimated Timeline
Based on 43 features at Few Days difficulty, expect about 3-5 days with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Type-safe ORM for complex relational data models
Key Features to Replicate
Top features across 8 categories. See all 43 features
Talent Management(5 features)
Manage employee exit processes and knowledge transfer.
Automate new hire onboarding and orientation processes.
Set goals, conduct reviews, and provide feedback to employees.
Post jobs, screen candidates, and manage hiring workflows.
Identify and develop internal talent for key leadership positions.
Analytics(4 features)
Create custom reports and dashboards with drag-and-drop builder.
Visualize company structure and reporting relationships.
Forecast turnover, identify flight risks, and optimize staffing.
Analyze workforce data and generate insights for strategic decisions.
Benefits(4 features)
Manage employee health insurance, retirement plans, and benefits enrollment.
Offer customizable benefits packages and cafeteria plans.
Manage health, dental, vision, and life insurance programs.
Manage 401(k) and pension plans for employees.
Compliance(4 features)
Stay updated with employment law changes and regulatory requirements.
Document and report workplace safety incidents and hazards.
Automatic tax filing and compliance updates for federal, state, and local regulations.
Track and manage workers compensation claims and insurance.
Payroll(4 features)
Handle wage garnishments and court-ordered deductions.
Process payroll across multiple countries with local compliance.
Configure and manage various payroll deductions automatically.
Automated payroll calculation, tax withholding, and direct deposit management.
Employee Services(3 features)
Monitor and improve employee satisfaction and engagement metrics.
Allow employees to view pay stubs, update personal information, and manage benefits.
Generate and manage employment verification letters.
Learning(3 features)
Monitor employee certifications, licenses, and expiration dates.
Deliver training courses and track employee development.
Access pre-built courses and training materials for employees.
Security(3 features)
Track all system changes and user activities for compliance.
Assign permissions based on employee roles and responsibilities.
Integrate with SAML and OAuth for enterprise authentication.
Cost Calculator
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Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 43 features at easy complexity.