When was Five9 founded?

Five9 was founded in 2001 and raised its 1st funding round 3 years after it was founded.

Where is Five9 located?

Five9 is headquartered in San Ramon, United States. It is registered at San Ramon, California.

How many employees does Five9 have?

As of Aug 31, 2026, the latest employee count at Five9 is 3131.

Is Five9 a funded company?

Five9 is a funded company, having raised a total of $84.1M across 8 funding rounds to date. The company's 1st funding round was a $***** Series A round, raised on Apr 28, 2004.

How much is Five9 worth?

The last known valuation of Five9 was $***** as of May 20, 2025.

When was the latest funding round of Five9?

Five9's latest funding was a $***** Post IPO round on May 22, 2020, with participation from 0 investor.

What is the annual revenue of Five9?

Annual revenue of Five9 is more than $1B as on Dec 31, 2025

Where does Five9 rank among its competitors?

Five9 ranks 12th amongst 2484 active competitors, of which 206 are funded. It stands 9th in terms of total funding among its competitors. The most recent competitor to raise funding was Intercom, which secured $250M in Mar, 2026.

Who are the top competitors of Five9?

Five9's top competitors include RingCentral, Freshworks and Sinch. Among them, Intercom secured the most recent funding round in March, 2026.

Five9 - 2026 Company Profile, Team, Funding, Competitors & Financials

Q: Is Five9 an acquired company?

Five9 got acquired by Zoom on Jul 18, 2021.

Five9 is an acquired company based in San Ramon (United States), founded in 2001. It operates as a Provider of cloud contact center software with AI and automation. Five9 has raised $84.1M in funding from investors like Adams Street Partners, Mosaic Capital Partners and HWVP, with last known valuation of $*****. The company has 2484 active competitors, including 206 funded and 204 that have exited. Its top competitors include companies like RingCentral, Freshworks and Sinch.

Company Details

Provider of cloud contact center software with AI and automation. The software includes features such as intelligent virtual agents, workforce engagement, and reporting and analytics. It offers solutions for various industries, including healthcare, financial services, and retail. The platform provides tools for customer engagement across multiple channels.

Website: www.five9.com/
Social
Email ID: *****@five9.com
Phone Number: +1 **********
Registered Address: San Ramon, California

Key Metrics

Founded Year

2001

Location

San Ramon, United States

Stage

Acquired

Total Funding

$84.1M in 8 rounds

Latest Funding Round

Post IPO, May 22, 2020, $*****

Last Known Valuation

$***** as on May 20, 2025

Investors

Adams Street Partners & 9 more

Ranked

12^th among 2484 active competitors

Annual Revenue

$1B+ as on Dec 31, 2025

Employee Count

3,131 as on Aug 31, 2026

Investment & Acquisitions

Acqueon & 8 more

Similar Companies

RingCentral & 2195 more

Exit Details

Acquired by Zoom (Jul 18, 2021)

View Five9's full profile

Five9 is associated with 6 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Five9, Inc. CIN: 0018y000009DbsCAAS , United States, Active	Jun 02, 2023	-	-	-
CC Telemarketing,s.r.o. CIN: 28452984 , Czech Republic, Active	Sep 03, 2008	-	-
Cloud Plus Services, s.r.o. CIN: 06477453 , Czech Republic, Active	Sep 27, 2017	-	-
FIVE9 INC CIN: 926638041 , Norway, Active	Nov 12, 2020	-	-
Five9, Inc. CIN: 1288847 , United States, Active	Mar 12, 2001	$1B+ (As on Dec 31, 2025)	-	-
FIVE9 INC CIN: 943394123 , United States, Active	Dec 31, 1999	-	1501 (As on Dec 31, 2024)	-

Five9 got acquired by Zoom on Jul 18, 2021 at an acquisition amount of $*****.

Click here to take a look at Five9's acquisition in detail

Five9 has raised a total funding of $84.1M over 8 rounds. Its first funding round was on Apr 28, 2004. Five9 has 10 institutional investors.

Here is the list of recent funding rounds of Five9:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
May 22, 2020	9996639	Post IPO	2539371	5373213	5485677	8144616
May 04, 2018	9412748	Post IPO	4233584	8968540	3777891	7205856
May 29, 2013	3832247	Series D	3752173	5618129	Sapphire Ventures	Adams Street Partners & 3 more

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View details of Five9's funding rounds and investors

Five9's employee count trend

Five9 has 3,131 employees as of Aug 26. Here is Five9's employee count trend over the years:

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Top competitors of Five9 include RingCentral, Freshworks and Sinch. Here is the list of Top 10 competitors of Five9, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	RingCentral 1999, Belmont (United States), Acquired	Cloud based platform offering unified communication solutions	$44M	IVP, Sequoia Capital & 59 others	86/100
2nd	Freshworks 2010, Chennai (India), Public	Provider of IT service management and customer support solutions	$400M	Accel, Tiger Global Management & 9 others	84/100
3rd	Sinch 2008, Stockholm (Sweden), Public	Provider of customer communications management platform	$12M	Index Ventures, SoftBank Group & 8 others	80/100
4th	Genesys 1990, Menlo Park (United States), Acquired	Provider of cloud-based platform for customer experience and workforce engagement	$2.98B	Hellman & Friedman, Salesforce Ventures & 18 others	80/100
5th	Zendesk 2007, San Francisco (United States), Acquired	Cloud based customer service and engagement platform for businesses	$89.1M	Redpoint Ventures, Benchmark & 20 others	79/100
6th	Dialpad 2011, San Ramon (United States), Series F	Provider of AI-powered contact center and unified communications platform solutions	$476M	ICONIQ Growth, Amasia & 43 others	79/100
7th	Twilio 2008, San Francisco (United States), Public	Cloud based omnichannel communication and customer engagement platform	$240M	T. Rowe Price, Fidelity Investments & 40 others	78/100
8th	Aircall 2014, New York (United States), Series D	Provider of cloud-based platform for business communication and customer engagement	$226M	Balderton Capital, EFounders & 34 others	78/100
9th	Exotel 2011, Bengaluru (India), Series D	Provider of cloud-based communication platform offering AI-powered customer engagement solutions	$97.7M	A91 Partners, Steadview & 65 others	77/100
10th	Intercom 2011, San Francisco (United States), Series D	Provider of a customer service and support platform offering AI-powered solutions for managing customer interactions	$242M	Index Ventures, Bessemer Venture Partners ... & 41 others	76/100
12th	Five9 2001, San Ramon (United States), Acquired	Provider of cloud contact center software with AI and automation	$84.1M	Adams Street Partners, Sapphire Ventures & 8 others	75/100

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Five9 has made 1 investments in companies including Cresta. Five9 has also acquired 8 companies including Acqueon and Aceyus.

Here is the list of investments & acquisitions:

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Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Aug 08, 2024	Acquisition	Acqueon	2007	Dallas (United States)
Aug 07, 2023	Acquisition	Aceyus	2002	Charlotte (United States)
Oct 25, 2022	Acquisition	Acqueon	2007	Dallas (United States)