B2B SaaS Market Size & Growth Statistics 2025
The global B2B SaaS market reached approximately $307 billion in 2024 and is projected to exceed $500 billion by 2028, compounding at 14–16% CAGR. The US accounts for roughly 65% of global SaaS revenue but is growing more slowly than Asia-Pacific (18–22% CAGR) and Latin America (20–25% CAGR). Vertical SaaS is the fastest-growing sub-segment — sector-specific solutions capturing workflow-critical positions are growing 2x the horizontal SaaS rate. AI-augmented SaaS is the emerging dominant narrative, with Bessemer's Cloud Index showing AI-native companies command 40–80% premium revenue multiples. The consolidation wave continues: acquisition multiples for SaaS businesses $1M–$10M ARR have stabilized at 4–6x ARR after a peak of 8–12x in 2021.
| Metric | Value | Source | Year | Context |
|---|---|---|---|---|
| Global B2B SaaS Market Size 2024 | $307 billion | Bessemer Venture Partners State of the Cloud 2024 | 2024 | The market has roughly 3x since 2019 ($102B), driven by digital transformation acceleration and cloud migration of legacy enterprise software. |
| Global SaaS Market CAGR (2024–2028) | 14–16% | Gartner Worldwide Software Forecast 2024 | 2024 | Post-pandemic normalization has moderated growth from the 25–30% CAGR seen in 2020–2022, but the market remains one of the fastest-growing in enterprise tech. |
| US Share of Global SaaS Revenue | 65% | IDC Worldwide Software Tracker 2024 | 2024 | US dominance is declining gradually as European and APAC SaaS ecosystems mature; US share was 70%+ in 2019. |
| Asia-Pacific SaaS CAGR | 20–22% | IDC Worldwide Software Tracker 2024 | 2024 | APAC is the highest-growth geography, driven by digital adoption in India, Southeast Asia, and continued cloud migration in Japan and Australia. |
| Vertical SaaS Growth vs. Horizontal | 2x the rate | Bessemer Venture Partners State of the Cloud 2024 | 2024 | Vertical SaaS benefits from lower competitive intensity and higher switching costs — regulators and workflows lock customers in. |
| AI-Native SaaS Revenue Multiple Premium | 40–80% vs. non-AI | Bessemer Venture Partners State of the Cloud 2024 | 2024 | Investors are pricing significant AI upside into revenue multiples; this premium will compress as AI becomes table stakes. |
| SMB SaaS Acquisition Multiple (FY2024) | 4–6x ARR | SaaStr Annual Benchmarks 2024 | 2024 | Multiples have normalized from the 2021 peak; bootstrapped companies with strong NRR command the top of this range. |
Methodology
Bessemer Venture Partners State of the Cloud 2024, Gartner Worldwide Software Forecast, IDC Worldwide Software Tracker, Statista SaaS Market Report. Market size estimates vary 10–15% across sources; midpoints reported.