As of May 2026, there are 16 SaaS companies based in St Louis. They have combined revenues of $438.7M and employ 2.2K employees. They've raised $14.3M in capital and serve 3.2K customers combined.
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Showing 10 of 5 companies ranked by annual revenue.
St Louis, Missouri, United States
Digital marketing agency specializing in social media marketing, email, PPC, SEO, and web development for small- and medium-sized businesses
St Louis, MO, United States
Momentus Technologies is a global provider of industry-leading venue and event management solutions that empower organizations to create extraordinary moments. With over 60,000 users in more than 57 countries, Momentus serves the needs of convention and exhibition centers, higher education, corporate, stadiums and arenas, and arts and culture centers. Its powerful intuitive platform alongside intelligent data-driven solutions and unparalleled expertise provides customers a view of past, present and future event operations to increase end-to-end visibility, optimize efficiency and achieve business goals. Founded in 1985, Momentus is headquartered in the United States. The company’s employees work across the globe in Momentus offices and remotely. To learn more, visit gomomentus.com. We believe the happiest employees are the best employees. That's why we offer flex and work from home time and a casual dress code; and an on-site gym with personal training and an excellent 401K program in our United States office. We are proud to be a national winner in the first-ever Top Workplace and Top Technology Workplace awards for 2021.
St Louis, Missouri, United States
We engineer the systems that power your business. From critical infrastructure to unified data systems, we solve what others can’t— fast and with deep care. Trusted by leaders in high-stakes industries, we deliver measurable results through engineering expertise, hands-on partnerships, and technology that grows with you. YOUR VISION. OUR MISSION. ONE FUTURE.
St Louis, Missouri, United States
Increase conversions, deliver a world-class customer experience, and decrease ramp time with Balto’s Real-Time Guidance for contact centers.
St Louis, Missouri, United States
Benchmark helps busy marketers move faster and make a bigger impact with email. Our next-generation platform combines simplicity with serious capability –so teams can create and optimize campaigns with confidence. We’re redefining what modern email marketing feels like: clean, flexible, and built to keep up with you. From design to deliverability, every feature is designed to remove friction and help you focus on what matters most – building meaningful connections that drive growth.
Each Tuesday, we reverse-engineer a real SaaS company's revenue, profit, CAC, funnels, and its top growth tactic.
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