Winter 2026 B2B Growth Report: Private Company Benchmarks, Profitability & Funding Trends

The B2B Growth Report by Maxio offers a concise, data-backed view into how B2B SaaS and AI companies are actually performing.

Key Takeaways from This Report:

• Average growth reached 18%, indicating continued expansion across the market, even as conditions became less predictable.
• Outcomes varied widely, with 35% of companies declining year over year, reinforcing that growth is no longer universal.
• Growth compression emerged earlier than many expect, with the sharpest slowdowns appearing around $5M and again beyond $25M in billings.
• Vertically focused companies consistently outperformed horizontal peers, suggesting specialization continues to be a growth advantage.
• AI delivered an advantage only when it was core to the product, with AI-led companies outperforming AI-enhanced peers across the B2B SaaS and AI dataset.