Companies
Late-stage companies preparing for major expansion or IPO path. Currently tracking 37 companies. Last updated September 2026.
Late-stage companies preparing for major expansion or IPO path. Currently tracking 37 companies at this stage. Last updated September 2026 on TechStackIPO.
Data sourced from SEC EDGAR filings, company press releases, and verified public announcements. Browse all companies →
Series C companies are late-stage growth companies that have typically raised $100M-$500M and are approaching or exceeding $100M in annual revenue. At this stage, companies are scaling internationally, pursuing strategic acquisitions, and building the operational infrastructure required for public markets. Many Series C companies begin engaging with investment banks, appointing independent board members, and implementing SOX compliance frameworks — all precursors to an IPO filing. TechStackIPO provides IPO readiness scores for Series C companies based on 10 factors including revenue scale, growth trajectory, profitability path, and corporate governance maturity.
TechStackIPO currently tracks 37 companies at the Series C stage. This includes companies across technology, fintech, AI, cybersecurity, healthcare, and other high-growth sectors.
Late-stage companies preparing for major expansion or IPO path. 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 C 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.