Top 14 SaaS Companies in St. Petersburg, United States, May 2026

St. Petersburg, FL, United States

Veyrdune makes cyber insurance more affordable for mid-sized organizations and more effective for cyber insurance carriers. Veyrdune pioneers AI-powered cyber insurance, harnessing inside-the-perimeter data correlate with underwriter Insurance analysis to quantify company risk with unmatched precision. We deliver accurate security risk data, reduce insurer liabilities, and re-inject cyber risk in our model in real-time — creating the industry's most adaptive, cost-effective insurance risk engine.

St. Petersburg, Florida, United States

Seraf offers a streamlined deal flow and portfolio management platform for investors in early stage companies. Our solution enables venture funds, angel groups, impact funds, accelerators, family offices, and individual investors to efficiently track, value, analyze, optimize, and report on their investment portfolios. We believe investors in early stage companies should have access to best practices and professional tools to support the entrepreneurial community worldwide and achieve superior outcomes. Insights and education, combined with powerful portfolio management tools, allow investors to understand their investing better, learn faster and make necessary adjustments to select the highest quality opportunities and drive superior returns.

St. Petersburg, Florida, United States

Mimestream is building the next generation of email and communication tools. Our first product is a native macOS email client for Gmail – try it free at https://mimestream.com!