Replacement Guide

How to Build Your Own Paychex

Replace Paychex with a custom build. Confidently Manage HR, Payroll, and Benefits

Weekend Project
38 features1 integrationsOne weekend

Estimated Timeline

Based on 38 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.

1
Setup & scaffolding
2 hours
2
Core features
4-6 hours
3
Polish & deploy
2 hours

Recommended Tech Stack

Next.js 14

Full-stack React framework with API routes and server components

Supabase

PostgreSQL database, auth, and real-time subscriptions

Tailwind CSS

Utility-first styling for rapid UI development

Prisma

Type-safe ORM for complex relational data models

Key Features to Replicate

Top features across 8 categories. See all 38 features

Insurance(8 features)

Business Owner Policy (BOP)

Bundled business insurance policy combining multiple coverage types

Commercial Auto Insurance

Business insurance coverage for commercial vehicles

Cyber Liability Insurance

Insurance coverage for cyber security risks and data breaches

Employment Practices Liability Insurance (EPLI)

Insurance coverage for employment-related lawsuits and claims

Extended Umbrella Protection

Extended umbrella insurance coverage for additional liability protection

+3 more in this category

Benefits Administration(5 features)

401(k) & Retirement Plans

Offer and administer 401(k) and retirement benefit plans to employees, serving 90,000+ 401(k) plans

Benefits Administration Platform

Easily manage company benefits in a simple, integrated platform

Health Insurance

Offer comprehensive health insurance benefits to employees

Lifestyle Benefits

Offer lifestyle-related benefits to employees

Voluntary Benefits

Provide voluntary benefits that employees can elect to take

HR Services(4 features)

Employee Engagement Software

Tools to improve employee engagement and workplace culture

Employee Onboarding

Streamline the employee onboarding process to hire and integrate new employees quickly

HR ConsultingPremium

Proactive HR advice and support from HR professionals to help manage compliance and HR challenges

Professional Employer Organization (PEO)Premium

All-in-one HR solution that manages employee benefits, HR, payroll, and compliance

Recruiting(3 features)

AI-Assisted RecruitingAIPremium

Cutting-edge AI-assisted recruiting tool called Paychex Recruiting Copilot in partnership with Findem to automate the recruiting process

Applicant Tracking System

Track and manage job applicants throughout the recruitment process

Background Checks

Conduct background checks on job candidates during the hiring process

Compliance(2 features)

State Compliance Resources

Resources providing information on state tax obligations, minimum wage, and other compliance requirements

Tax Compliance Services

Services to ensure tax compliance and filing requirements

Core Platform(2 features)

Paychex Flex Platform

Cloud-based all-in-one platform for HR, payroll, time and attendance, and benefits management

Paychex Oasis

Alternative platform option for HR and payroll management

Time & Attendance(2 features)

Employee Time Tracking

Track employee time and attendance to maximize payroll accuracy and prevent errors

Time Clocks

Physical or digital time clock systems for employee time tracking

AI(1 features)

AI-Powered HCMAIPremium

Intelligence built into every workflow to improve human capital management processes

Cost Calculator

Pricing data not available for Paychex. Check their website for current pricing.

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