When was CyrusOne founded?

CyrusOne was founded in 2000 and raised its 1st funding round 9 years after it was founded.

Where is CyrusOne located?

CyrusOne is headquartered in Carrollton, United States. It is registered at Dallas, Texas.

How many employees does CyrusOne have?

As of Aug 31, 2026, the latest employee count at CyrusOne is 1097.

Is CyrusOne a funded company?

CyrusOne is a funded company, having raised an undisclosed amount across 4 funding rounds to date. The company's 1st funding round was a $***** Conventional Debt round, raised on Nov 30, 2009.

How much is CyrusOne worth?

The last known valuation of CyrusOne was $***** as of May 13, 2010.

When was the latest funding round of CyrusOne?

CyrusOne's latest funding was a $***** Conventional Debt round on Mar 29, 2018, with participation from 3 investors.

What is the annual revenue of CyrusOne?

Annual revenue of CyrusOne is more than $1B as on Dec 31, 2021

Where does CyrusOne rank among its competitors?

CyrusOne ranks 17th amongst 748 active competitors, of which 56 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was ST Telemedia Global Data Centres, which secured $1.37B in Aug, 2026.

Who are the top competitors of CyrusOne?

CyrusOne's top competitors include Equinix, DataBank and ST Telemedia Global Data Centres. Among them, ST Telemedia Global Data Centres secured the most recent funding round in August, 2026.

CyrusOne - 2026 Company Profile, Funding, Competitors & Financials

CyrusOne is an acquired company based in Carrollton (United States), founded in 2000. It operates as an Operator of data centers offering colocation, build-to-suit, and hyperscale solutions. CyrusOne has raised an undisclosed amount in funding, with last known valuation of $*****. The company has 748 active competitors, including 56 funded and 200 that have exited. Its top competitors include companies like Equinix, DataBank and ST Telemedia Global Data Centres.

Company Details

Operator of data centers offering colocation, build-to-suit, and hyperscale solutions. The company designs and builds data centers to support computational demands and technology requirements. They provide infrastructure that scales with customer needs. The company delivers solutions for high-density deployments.

Website: www.cyrusone.com/
Social
Registered Address: Dallas, Texas

Key Metrics

Founded Year

2000

Location

Carrollton, United States

Stage

Acquired

Latest Funding Round

Conventional Debt, Mar 29, 2018, $*****

Last Known Valuation

$***** as on May 13, 2010

Investors

JANA Partners & 6 more

Ranked

17^th among 748 active competitors

Annual Revenue

$1B+ as on Dec 31, 2021

Employee Count

1,097 as on Aug 31, 2026

Investment & Acquisitions

ODATA & 2 more

Similar Companies

Equinix & 737 more

Exit Details

Acquired by KKR (Nov 15, 2021)

View CyrusOne's full profile

CyrusOne is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
CYRUSONE INC. CIN: 1553023 , United States, Active		$1B+ (As on Dec 31, 2021)	-	-
CYRUSONE LLC CIN: 833345220 , United States, Active	Dec 26, 999	-	393 (As on Dec 31, 2018)	-

CyrusOne got acquired by KKR and Global Infrastructure Partners on Nov 15, 2021 at an acquisition amount of $*****.

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

CyrusOne has raised funding over 4 rounds. Its first funding round was on Nov 30, 2009. Its latest funding round was a Conventional Debt round on Mar 29, 2018 for $*****. 3 investors participated in its latest round. CyrusOne has 7 institutional investors.

Here is the list of recent funding rounds of CyrusOne:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Mar 29, 2018	5861065	Conventional Debt	2247149	4138323	3333605	4776875
Mar 2017	6281410	Conventional Debt	1646963	2732826	4978589	2012382
Jun 2015	4866944	Conventional Debt	4659010	1742598	2309213	3594441

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CyrusOne's employee count trend

CyrusOne has 1,097 employees as of Aug 26. Here is CyrusOne's employee count trend over the years:

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Top competitors of CyrusOne include Equinix, DataBank and ST Telemedia Global Data Centres. Here is the list of Top 10 competitors of CyrusOne, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Equinix 1998, Redwood City (United States), Public	Operator of data centers providing colocation and network interconnection services	$175M	Etrade, Western Technology Investment & 18 others	78/100
2nd	DataBank 2005, Dallas (United States), Acquired	Provider of colocation, cloud, bare metal, interconnection, and managed services	$2.44B	IMCO, AustralianSuper & 14 others	73/100
3rd	ST Telemedia Global Data Centres 2014, Singapore (Singapore), Acquired	Operator of data centers providing colocation and network connectivity services	$1.3B	Temasek, Singtel & 1 others	73/100
4th	CtrlS 2008, Hyderabad (India), Series A	Operator of interconnected facilities providing colocation, cloud, and managed services	$78.2M	Bank of Baroda, Tamilnad Mercantile Bank ... & 13 others	70/100
5th	Nxtra 2013, Gurugram (India), Series D	Operator of data centers providing colocation, build to suit, and interconnectivity	$952M	The Carlyle Group, Alpha Wave Global & 16 others	68/100
6th	ODATA 2015, Sao Paulo (Brazil), Acquired	Provider of data center infrastructure solutions, including colocation and cloud connectivity	$12M	CyrusOne, IFC & 1 others	68/100
7th	AirTrunk 2015, Sydney (Australia), Acquired	Provider of data center colocation solutions	$400M	Goldman Sachs, TPG & 7 others	67/100
8th	Compass Datacenters 2011, Dallas (United States), Acquired	Provider of dedicated data center buildings and campuses for clients	$178M	Azrieli Group, CIT & 4 others	67/100
9th	Ascenty 2009, Campinas (Brazil), Acquired	Data center colocation services provider	$53.3M	Brookfield Asset Management, Itau Unibanco ... & 12 others	67/100
10th	Digital Realty 2004, San Francisco (United States), Public	Operator of data centers providing colocation, interconnection, and related services	-	GI Partners, Castle Island Partners	66/100
17th	CyrusOne 2000, Carrollton (United States), Acquired	Operator of data centers offering colocation, build-to-suit, and hyperscale solutions	-	JANA Partners, RBC Capital Markets & 5 others	63/100

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CyrusOne has made 1 investment in ODATA and acquired Zenium Technology Partners Limited and Cervalis.

Here is the list of these investments and acquisitions:

Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Oct 08, 2018	Investments	ODATA	2015	Sao Paulo (Brazil)
Dec 21, 2017	Acquisition	Zenium Technology Partners Limited	2012	London (United Kingdom)
Apr 28, 2015	Acquisition	Cervalis	2000	Shelton (United States)