F
Five9
A software company that provides a full-featured, on-demand call center software product in a SaaS model
At a glance
- Founded
- 2001
- Headquarters
- San Ramon, United States
- Listing
- IPO 2014
- Sector
- Other B2B Software
- Power Law
- Unicorn$1–10B valuation tierThoroughbred$100M+ revenue
Research & analysis
Latest news
Press, funding announcements and product moves mentioning Five9.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed1 investor entered at this stage
- GLGus Laredo
Series A2 investors entered at this stage
- HWHWVP
Sapphire Ventures
Series B and later2 investors entered at this stage
Source: Dealroom Talent Intelligence.
Alumni founders
Former Five9 employees who went on to found companies, sorted by Dealroom signal score.
HIHiOctaveEst. 2025
Anand ChandrasekaranUnited States
Piotrek ChojnowskiUnited States
Ashwin KumarUnited States
John KimUnited StatesGlobal footprint
team presence
across markets
Patents
20 active patent families included in this estimate.
A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.
Investments and acquisitions
Disclosed deals where Five9 was the backer or acquirer, 2019–2024. Toggle between venture rounds, M&A, or both. The map below is grouped by the target company's sector — the colored pill on each chip is the round type.
6 deals across Five9's capital deployment.
Where the deals concentrate by sector, stage, and decade.
Where Five9 deploys vs peers
Each axis is a Dealroom topic tag — picked from the cluster's most-tagged themes. Values are normalized per axis: the peer with the highest tag-coverage on that axis sits at the edge, others scale relative to them. Toggle between M&A, venture, or both.
Five9's portfolio, mapped.
Each chip is one company. Pill colour shows round type — green for Seed, blue for Series A, purple for B/C+, pink for late-stage, amber for M&A. Bigger sectors keep their full list behind “+ N more”.
Market sentiment
An AI-synthesised read of the highest-engagement posts about Five9 on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See Five9 on the full Dealroom platform
Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.