PaySlim

Run payroll for your small team in under 5 minutes, no bloat.

Score: 7.8/10GermanyMedium BuildReady to Spawn
Brand Colors

The Opportunity

Problem

Small business owners are overpaying for bloated HR software packed with unneeded features that complicates affordable management of essential payroll and compliance tasks.

Solution

PaySlim provides a dead-simple payroll tool that calculates wages, deductions, and taxes for 1-50 employees with one click. It integrates directly with your bank for payments and generates payslips instantly. Ditch expensive suitesβ€”focus only on what you need to pay your team compliantly and on time.

Target Audience

Small business owners handling basic HR functions

Differentiator

Ultra-minimal interface with zero learning curve, built exclusively for solopreneurs and micro-teams under 10 employees.

Brand Voice

friendly

Features

Employee Setup

must-have8h

Add employees with basic info: name, hours, rate, tax details.

Payroll Run

must-have12h

One-click calculate and process payroll including taxes and net pay.

Payslip Generation

must-have6h

Auto-generate and email PDF payslips.

Bank Integration

must-have10h

Connect bank via Plaid for direct deposits.

Tax Calculation

must-have15h

Built-in federal/state tax withholding based on IRS rules.

Time Tracking

nice-to-have8h

Simple hourly logging for employees.

Reports Export

nice-to-have5h

CSV/PDF exports for accounting.

Multi-State Support

nice-to-have10h

Handle employees in different states.

AI Tax Advisor

future20h

Chatbot for basic tax questions.

Total Build Time: 94 hours

Database Schema

users

ColumnTypeNullable
iduuidNo
emailtextNo
business_nametextNo
created_attimestampNo

employees

ColumnTypeNullable
iduuidNo
user_iduuidNo
nametextNo
hourly_rateintNo
statetextYes

Relationships:

  • β€’ user_id references users(id)

payroll_runs

ColumnTypeNullable
iduuidNo
user_iduuidNo
period_starttimestampNo
total_amountintNo
statustextNo

Relationships:

  • β€’ user_id references users(id)

API Endpoints

POST
/api/employees

Create employee

πŸ”’ Auth Required
POST
/api/payroll/run

Process payroll

πŸ”’ Auth Required
GET
/api/payslips

Fetch payslips

πŸ”’ Auth Required
POST
/api/banks

Connect bank

πŸ”’ Auth Required

Tech Stack

Frontend
Next.js 14 + Tailwind + shadcn/ui
Backend
Next.js API routes + Supabase Edge Functions
Database
Supabase Postgres
Auth
Supabase Auth
Payments
Stripe
Hosting
Vercel
Additional Tools
Plaid for bankingReact PDF for payslips

Build Timeline

Week 1: Core setup and auth

20h
  • βœ“ Project scaffolded
  • βœ“ User auth
  • βœ“ Basic dashboard

Week 2: Employee management

25h
  • βœ“ CRUD employees
  • βœ“ DB schema

Week 3: Payroll engine

30h
  • βœ“ Tax calc logic
  • βœ“ Payroll run

Week 4: Integrations and polish

25h
  • βœ“ Plaid/Stripe
  • βœ“ Payslips
  • βœ“ Landing page

Week 5: Testing and launch

15h
  • βœ“ E2E tests
  • βœ“ Deploy
Total Timeline: 5 weeks β€’ 115 hours

Pricing Tiers

Free

$0/mo

1 payroll/month

  • βœ“1 employee
  • βœ“Manual payslips

Pro

$29/mo

50 employees

  • βœ“Unlimited employees
  • βœ“Auto payments
  • βœ“Tax calc

Enterprise

$99/mo

Unlimited

  • βœ“All Pro + priority support
  • βœ“API access

Revenue Projections

MonthUsersConversionMRRARR
Month 11002%$58$696
Month 68008%$1,824$21,888

Unit Economics

$40
CAC
$348
LTV
5%
Churn
92%
Margin
LTV:CAC Ratio: 8.7xExcellent!

Landing Page Copy

Pay Your Team Without the HR Headache

Simple payroll for small businesses. Calculate, pay, done. Starting at $29/mo.

Feature Highlights

βœ“5-min payroll runs
βœ“Bank-direct deposits
βœ“IRS-compliant taxes
βœ“No contracts

Social Proof (Placeholders)

"'Saved me $200/mo vs Gusto!' - Mike, Cafe Owner"
"'Perfect for my 3-person shop.' - Sarah, Freelance Agency"

First Three Customers

Post in r/smallbusiness and IndieHackers with a free beta invite. DM 10 local business owners from LinkedIn small biz groups. Offer free first month for testimonials.

Launch Channels

Product Huntr/smallbusinessIndie HackersTwitter #buildinpublic

SEO Keywords

small business payrollcheap payroll softwaresimple payroll for freelancers

Competitive Analysis

$40+/mo base
Strength

Full HR suite

Weakness

Overkill for tiny teams

Our Advantage

5x cheaper, 10x simpler

Square Payroll

squareup.com/payroll
$35+/mo
Strength

POS integration

Weakness

Limited tax features

Our Advantage

Pure payroll focus, better taxes

🏰 Moat Strategy

Speed to payroll (under 5 min) creates habit; data on small biz tax patterns improves accuracy over time.

⏰ Why Now?

Rising remote work and inflation push small biz to cut costs; post-COVID hiring boom needs affordable tools.

Risks & Mitigation

technicalmedium severity

Tax rule changes

Mitigation

Modular calc engine, quarterly updates

legalhigh severity

Compliance errors

Mitigation

Disclaimer + partner with CPA API

marketmedium severity

Low adoption

Mitigation

Free tier + viral referrals

Validation Roadmap

pre-build7 days

Interview 20 small biz owners

Success: 10 express interest

mvp14 days

Beta with 5 users

Success: 80% retention

launch3 days

PH launch

Success: 200 signups

Pivot Options

  • β†’Add time tracking SaaS
  • β†’Focus on 1099 freelancers only
  • β†’White-label for accountants

Quick Stats

Build Time
115h
Target MRR (6 mo)
$2,000
Market Size
$5000.0M
Features
9
Database Tables
3
API Endpoints
4