The B2B SaaS market is being analyzed for its size and share, with growth projections extending to 2035. Various reports are examining specific segments of the market, including horizontal SaaS, email, human resource, CPaaS, vertical SaaS, supply chain visibility software, and payment orchestration. One forecast suggests the software as a service market will surpass $1,367.68 billion by 2035, while another reports a compound annual growth rate of 16.3% for the vertical SaaS market.