Payroll for one W‑2 founder — compliant hourly-pay workflow

Micro-entrepreneurs — an estimated 5,000,000 U.S. micro-employer firms with fewer than five employees — regularly struggle to run compliant hourly payroll when the founder is the sole W‑2 employee. State payroll tax nuances, withholding, worker-classification risk, and year‑end reporting consume hours and can produce penalties that reach into the thousands, creating a clear, recurring pain point for early-stage founders. You could build a focused, compliance-first hourly-pay workflow for one W‑2 founder: streamlined onboarding, simple per-pay-period hour entry or mobile time capture, automated withholding and benefit prechecks, ACH pay runs, and automated federal/state tax filings and W‑2 generation via embedded tax-filing APIs. Pricing around $20–40/month plus a per-payroll fee would target the ~$480 ARPU benchmark while keeping the product intentionally narrow and affordable. This market looks attractive now because one-person startups and side hustles are rising, regulatory scrutiny of small-employer payroll is increasing, and embedded payroll/banking APIs materially reduce engineering and compliance costs. Those factors help explain a roughly $2.4B addressable market and the high market score (92/100). To stand out, prioritize extreme simplicity, built‑in compliance guardrails (classification checks, multi‑state tax handling), and partnerships with bonded tax filers and payroll rails instead of trying to be a full HRIS. The opportunity is defensible because of its narrow focus and clear unit economics (Revenue Potential 88/100), but challenges include multi‑state complexity, regulatory liability, and customer acquisition against incumbent and embedded competitors, so risk mitigation and distribution partnerships will be critical.