When was Bandwidth founded?

Bandwidth was founded in 1999 and raised its 1st funding round 12 years after it was founded.

Where is Bandwidth located?

Bandwidth is headquartered in Raleigh, United States. It is registered at Raleigh, North Carolina.

How many employees does Bandwidth have?

As of Sep 30, 2026, the latest employee count at Bandwidth is 1.

Is Bandwidth a funded company?

Bandwidth is a funded company, having raised a total of $21.9M across 3 funding rounds to date. The company's 1st funding round was a $***** Series B round, raised on Apr 05, 2011.

When was the latest funding round of Bandwidth?

Bandwidth's latest funding was a $***** Post IPO round on Mar 11, 2021, with participation from 0 investor.

What is the annual revenue of Bandwidth?

Annual revenue of Bandwidth is between $500M and $1B as on Dec 31, 2025

Where does Bandwidth rank among its competitors?

Bandwidth ranks 12th amongst 148 active competitors, of which 16 are funded. It stands 7th in terms of total funding among its competitors. The most recent competitor to raise funding was Toku, which secured $5M in Nov, 2024.

Who are the top competitors of Bandwidth?

Bandwidth's top competitors include RingCentral, Twilio and Agora. Among them, Toku secured the most recent funding round in November, 2024.

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

Bandwidth is a public company based in Raleigh (United States), founded in 1999 by Henry Kaestner. It operates as a Cloud-based enterprise collaboration platform for VoIP communication management. Bandwidth has raised $21.9M in funding from Carmichael Partners. The company has 148 active competitors, including 16 funded and 38 that have exited. Its top competitors include companies like RingCentral, Twilio and Agora.

Company Details

Cloud-based enterprise collaboration platform for VoIP communication management. The platform offers products like SIP, voice and messaging applications, VoIP, and 911 services. Products comprise direct inbound dialling, SMS, and MMS for nonwireless telephone numbers, SMS and MMS with voice services, routes VoIP E911 calls directly to the nation 911 infrastructure, provisions for toll-free numbers, and SIP trunking. It is the tool available on the subscription-based pricing model.

Website: www.bandwidth.com/
Social
Registered Address: Raleigh, North Carolina

Key Metrics

Founded Year

1999

Location

Raleigh, United States

Stage

Public

Total Funding

$21.9M in 3 rounds

Latest Funding Round

Post IPO, Mar 11, 2021, $*****

Investors

Carmichael Partners & 6 more

Ranked

12^th among 148 active competitors

Annual Revenue

$500M - $1B as on Dec 31, 2025

Employee Count

1 as on Sep 30, 2026

Investment & Acquisitions

Pathfindr & 2 more

Similar Companies

RingCentral & 161 more

Exit Details

Public

View Bandwidth's full profile

Bandwidth is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Reports
BANDWIDTH INC. CIN: 1514416 , United States, Active	Mar 08, 2011	$500M - $1B (As on Dec 31, 2025)	-	-
Bandwidth.com, Inc. CIN: 562242657 , United States, Active	Dec 31, 1999	-	871 (As on Dec 31, 2024)	-

Bandwidth got listed on Nov 10, 2017.

Click here to take a look at Bandwidth's IPO in detail

Bandwidth has raised a total funding of $21.9M over 3 rounds. Its first funding round was on Apr 05, 2011. Bandwidth has 7 institutional investors.

Here is the list of recent funding rounds of Bandwidth:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Mar 11, 2021	7820446	Post IPO	6432268	9442839	1308158	2167319
Jun 19, 2018	9863591	Post IPO	3280791	8598774	8446923	Portolan Capital Management
Apr 05, 2011	7751615	Series B	1705923	2387652	Carmichael Partners	7005129

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View details of Bandwidth's funding rounds and investors

The founders of Bandwidth is Henry Kaestner.

Here are the details of Bandwidth's key team members:

Henry Kaestner: Co-Founder of Bandwidth and founder of 1 other company.
Contact Info: 1 email address

View details of Bandwidth's Founder profiles and Board Members

Bandwidth's employee count trend

Bandwidth has 1 employees as of Sep 26. Here is Bandwidth's employee count trend over the years:

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Top competitors of Bandwidth include RingCentral, Twilio and Agora. Here is the list of Top 10 competitors of Bandwidth, 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, Altimeter Capital & 59 others	87/100
2nd	Twilio 2008, San Francisco (United States), Public	Cloud based omnichannel communication and customer engagement platform	$240M	T. Rowe Price, Fidelity Investments & 40 others	80/100
3rd	Agora 2014, Guangzhou (China), Public	Cloud based customer engagement platform	$55M	Coatue, Morningside & 16 others	79/100
4th	Vonage 2001, Holmdel (United States), Acquired	Provider of contact center business communication solutions	$645M	New Enterprise Associates, 3i Group & 17 others	76/100
5th	8x8 1987, Campbell (United States), Acquired	Provider of cloud communications solutions	-	Francisco Partners, Herald Investment Management ... & 2 others	71/100
6th	Avaya 2000, Durham (United States), Public	Cloud based unified communication software	$401M	Warburg Pincus, ValueAct Capital & 5 others	69/100
7th	LINK Mobility 1993, Oslo (Norway), Public	Provider of cloud communications platform offering messaging solutions and related tools	-	HarbourVest Partners, Herald Investment Management ... & 2 others	68/100
8th	Toku 2018, Singapore (Singapore), Public	Enterprise cloud communications and customer engagement platform	$18M	Delivery Hero Ventures, Betatron Venture Group ... & 23 others	66/100
9th	Route Mobile 2004, Mumbai (India), Acquired	Provider of cloud communication platform as a service (CPaaS) solutions	$23M	Krisharya Trust, Goldman Sachs & 12 others	64/100
10th	ValueFirst 2003, Gurugram (India), Acquired	Provider of communication platforms for messaging and voice interaction services	$21.8M	New Enterprise Associates, Emergic & 15 others	63/100
12th	Bandwidth 1999, Raleigh (United States), Public	Cloud-based enterprise collaboration platform for VoIP communication management	$21.9M	De Anda Capital, Herald Investment Management ... & 5 others	62/100

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Bandwidth has acquired 3 companies including Pathfindr, Voxbone and Voxbone. Bandwidth has not made any investments as of now.

Here is the list of its acquisitions:

Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Jan 05, 2024	Acquisition	Pathfindr	2016	Norwich (United Kingdom)
Oct 12, 2020	Acquisition	Voxbone	2005	Brussels (Belgium)
Aug 20, 2015	Acquisition	Voxbone	2005	Brussels (Belgium)