An IPO takes 18-24 months of deliberate preparation. Here's the readiness checklist covering financials, governance, controls, and go-to-market maturity.
Going public is not a fundraise — it's a structural transformation. The 18-24 months before filing an S-1 require rebuilding your finance function, board composition, controls environment, and disclosure practices for public-company standards. Companies that skip this preparation stall in registration or face embarrassing post-IPO misses.
Big 4 auditor engaged 24 months before target filing. Three years of audited financials in GAAP with no material weaknesses. Quarterly close in under 15 days with variance analysis. Segment reporting infrastructure if you operate multiple business lines. Non-GAAP metrics defined with reconciliations investors will accept.
Independent-director majority on board. Audit committee chair with public-company CFO experience. Compensation committee with public-company comp expertise. Nominating and governance committee established. Board evaluation and refreshment process documented. Insider trading policy and disclosure controls in place.
SOX 404(a) readiness assessment 18 months before filing. Material weakness remediation complete 12 months before filing. Disclosure controls documented (Rule 302 and 906 certifications). Whistleblower hotline and complaint procedures. Related-party transaction identification and disclosure processes.
Predictable revenue: 5+ consecutive quarters within guidance range. Growth durability: 30%+ growth sustainable for 3 years post-IPO. Efficiency: Rule of 40 exceeding 40, ideally 50+. Diversified customer base: no customer above 10% of revenue. Executive team retention: no key departures in 12 months pre-filing.
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