Company Insights
Published on
April 22, 2026

How Many People Work at Five9? Headcount and Employee Trends

Total Employees
1671
7.2% from last year
112
New Hires (YTD)
70
5% of total workforce
Departments
15
650 in Engineering
Locations
21
5,012 in New York, NY
  • Five9 (NASDAQ: FIVN) provides an AI-infused Intelligent CX Platform aimed at enhancing customer experience through seamless integration of data, AI, and human interactions, positioning itself as a leader in the contact center software market.
  • In the past year, Five9 launched the evolution of its Five9 Fusion partner program to enhance its ecosystem and announced a partnership with Google Cloud to create a joint Enterprise CX AI solution, further solidifying its market presence.
  • Recent partnerships include a collaboration with Aspect to improve workforce management and a deepened relationship with Assembled, allowing Five9 to manage blended workforces effectively, showcasing its commitment to operational efficiency.
  • Five9's ideal buyers are enterprises seeking to optimize customer interactions and workforce management, addressing pain points related to disconnected systems and inefficient staffing, making it a critical time for sales teams to engage with potential clients as demand for integrated CX solutions grows.

Five9 Headcount Breakdown by Department

Engineering is the largest function with 571 employees (about 34%). Sales and Support follows with 481 employees (about 29%). Marketing and Product totals 147 (9%), and Finance and Administration has 94 (6%). Business Management includes 87 (5%), and Information Technology has 83 (5%). Program and Project Management counts 62 (4%), Operations 60 (4%), and Human Resources 36 (2%), with 50 employees categorized as Other (3%).

Engineering
571
Sales and Support
481
Marketing and Product
147
Finance and Administration
94
Business Management
87
Information Technology
83
Program and Project Management
62
Operations
60
Human Resources
36
Other
50

Five9 Employees by Location

The workforce is widely distributed, with 1,230 employees (about 74%) grouped under Other locations. Among specified hubs, San Francisco accounts for 178 employees (about 11%). Additional Bay Area sites include San Ramon (53) and Pleasanton (26). Other U.S. locations include Phoenix (28), Denver (27), New York (26), and Austin (23). Internationally, the data lists Porto, Portugal (28) and Manila, Philippines (52).

San Francisco, CA
178
San Ramon, CA
53
Manila, Philippines
52
Phoenix, AZ
28
Porto, Portugal
28
Denver, CO
27
New York, NY
26
Pleasanton, CA
26
Austin, TX
23
Other
1230
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