Companies
Series A stage companies with product-market fit established. Currently tracking 48 companies. Last updated May 2026.
Series A stage companies with product-market fit established. Currently tracking 48 companies at this stage. Last updated May 2026 on TechStackIPO.
Data sourced from SEC EDGAR filings, company press releases, and verified public announcements. Browse all companies →
Series A companies have typically proven initial product-market fit and raised between $5M and $20M to begin scaling. At this stage, companies focus on building repeatable sales processes, expanding beyond their initial customer base, and establishing unit economics. Series A companies are generally 5-8 years from a potential IPO, though exceptional performers in hot sectors like AI and cybersecurity can accelerate this timeline significantly. TechStackIPO tracks Series A companies to identify the next generation of unicorns and IPO candidates. We monitor revenue growth rates, customer retention metrics, competitive positioning, and the involvement of tier-one institutional investors.
TechStackIPO currently tracks 48 companies at the Series A stage. This includes companies across technology, fintech, AI, cybersecurity, healthcare, and other high-growth sectors.
Series A stage companies with product-market fit established. Companies at this stage typically share characteristics in revenue scale, team size, and institutional backing.
Accredited investors can access pre-IPO shares in select Series A companies through secondary market platforms including Forge Global, EquityZen, and Hiive. Availability depends on shareholder willingness to sell and minimum investment thresholds typically range from $10,000 to $50,000.