Five9
The New CX Starts Here. Transformed by AI, Powered by Five9.
3007 employees · est. 2001 · San Ramon, United States
Serenova
As part of Lifesize, we are improving customer experiences in the contact center from anywhere and from any device.
462 employees · est. 2000 · Austin, United States
Serenova is the older company (2001 vs 2000); Five9 is the larger of the two.
Side-by-Side Comparison
| Metric | Five9 | Serenova |
|---|---|---|
| Founded | ||
| Founded | 2001 | 2000 older |
| Headquarters | ||
| Headquarters | San Ramon, United States | Austin, United States |
| Employees | ||
| Employees | 3007 larger | 462 |
| Industry | ||
| Industry | Not tracked yet | Information Technology |
| Funding Stage | ||
| Funding Stage | IPO | Not tracked yet |
| Total Funding | ||
| Total Funding | $741.60M | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 9 | Not tracked yet |
| Services | ||
| Services | Contact Center Software, AI and Automation Solutions, Workforce Engagement Management, Digital Customer Engagement, CX Transformation Services, Professional Services and Training | Not tracked yet |
| Target Customers | ||
| Target Customers | Enterprises, Mid-Market Businesses, Small Businesses, Healthcare Industry, Financial Services, Retail Sector, Higher Education, Government, Sales & Telemarketing, Customer Services, Outsourcing, Collections | Not tracked yet |
| Taxonomy | ||
| Taxonomy | AI-Driven Solutions, Cloud Contact Center, Customer Interaction, Hyper-Personalization, Unified Cloud Platform, Contact Center Software, Enterprise Solutions, AI And Human Agents, Cloud Transition, Agent Productivity, Scalable Software, Customer Journey, Digital Transformation, Business Outcomes | Cloud Video Conferencing, Cloud Contact Center, Workplace Collaboration, Employee Productivity, Mission-critical Business Communications, Contact Center Software, Multichannel Contact Center, Social Customer Service, Mobile Marketing, Customer Support, Chatbot, Workforce Optimization, Quality Management, CCaaS |
| Website | ||
| Website | five9.com | serenova.com |
About Five9
Five9, founded in 2001, has established itself as a significant player in the Customer Experience (CX) industry. Based in the United States, the company offers a robust suite of solutions designed to transform CX through artificial intelligence, as encapsulated in its slogan, "The New CX Starts Here...
About Serenova
Serenova, a subsidiary of Lifesize, is dedicated to revolutionizing customer experiences in contact centers, transcending geographical and device limitations. As a part of the Lifesize family, the company benefits from Lifesize's expertise in delivering immersive communication experiences for global...
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Funding, hiring, leadership and stack changes at Five9 and Serenova — by email.
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Compiled from the BounceWatch company index. We last looked at Five9 on 13 Mar 2026, and Serenova on 12 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.