When was ADT founded?

ADT was founded in 1874 and raised its 1st funding round 142 years after it was founded.

Where is ADT located?

ADT is headquartered in Boca Raton, United States. It is registered at 18, Algade, Roskilde, 4000.

How many employees does ADT have?

As of Sep 30, 2026, the latest employee count at ADT is 26043.

Is ADT a funded company?

ADT is a funded company, having raised a total of $24.1M across 5 funding rounds to date. The company's 1st funding round was a $***** PE round, raised on Mar 2016.

How much is ADT worth?

The last known valuation of ADT was $***** as of Jan 19, 2018.

When was the latest funding round of ADT?

ADT's latest funding was a $***** Post IPO round on Sep 06, 2022, with participation from 1 investor.

What is the annual revenue of ADT?

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

Where does ADT rank among its competitors?

ADT ranks 7th amongst 3229 active competitors, of which 162 are funded. It stands 10th in terms of total funding among its competitors. The most recent competitor to raise funding was RELEX, which secured an undisclosed amount in Dec, 2024.

Who are the top competitors of ADT?

ADT's top competitors include Vivint, Ooma and SimpliSafe. Among them, RELEX secured the most recent funding round in December, 2024.

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

Q: Is ADT an acquired company?

ADT got acquired by Thrive Holdings on Oct 30, 2026.

Company Details

Provider of cloud-based surveillance products for home security. It provides users with security solutions for homes and businesses that can be monitored and controlled using smartphones. It involves installing sensors and monitors on windows and doors, garage doors, and other places in the house. It also provides remote monitoring of smoke and heat in the house, which can avert any untoward instance.

Website: www.adt.com
Social
Phone Number: +91 **********, +1 **********
Part Of
Registered Address: 18, Algade, Roskilde, 4000

Key Metrics

Founded Year

1874

Location

Boca Raton, United States

Stage

Acquired

Total Funding

$24.1M in 5 rounds

Latest Funding Round

Post IPO, Sep 06, 2022, $*****

Last Known Valuation

$***** as on Jan 19, 2018

Investors

ATP Private Equity Partners & 6 more

Ranked

7^th among 3229 active competitors

Annual Revenue

$1B+ as on Dec 31, 2025

Employee Count

26,043 as on Sep 30, 2026

Investment & Acquisitions

Origin Wireless AI & 37 more

Similar Companies

Vivint & 2446 more

Exit Details

Acquired by Thrive Holdings (Oct 30, 2026)

View ADT's full profile

ADT is associated with 3 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Reports
ADT ApS CIN: 40378154 , Denmark, Active	Mar 24, 2019	-	-
ADT CORP CIN: 1546640 , United States, Active		$1B+ (As on Sep 30, 2015)	-	-
ADT INC. CIN: 1703056 , United States, Active		$1B+ (As on Dec 31, 2025)	-	-

ADT got acquired by Thrive Holdings on Oct 30, 2026 at an acquisition amount of $*****.

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

ADT has raised a total funding of $24.1M over 5 rounds. Its first funding round was on Mar 2016. Its latest funding round was a Post IPO round on Sep 06, 2022 for $*****. 1 investor participated in its latest round. ADT has 7 institutional investors.

Here is the list of recent funding rounds of ADT:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Sep 06, 2022	4704648	Post IPO	9792237	4308145	2558609	2599010
Jul 31, 2020	1079410	Post IPO	2697063	1168127	1360361	Google
Sep 13, 2019	3283562	Conventional Debt	1492817	7457208	6252359	Prime Finance

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View details of ADT's funding rounds and investors

The founders of ADT are Edward Callahan and Larry Lien. Wahl Bartmann and Jim DeVries are the CEOs of ADT.

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

Edward Callahan: Founder of ADT.
Contact Info: 1 email address
Larry Lien: Co-Founder, VP Product Management & VP Product Marketing, Proximex of ADT.
Wahl Bartmann: CEO of ADT.

View details of ADT's Founder profiles and Board Members

ADT's employee count trend

ADT has 26,043 employees as of Sep 26. Here is ADT's employee count trend over the years:

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Top competitors of ADT include Vivint, Ooma and SimpliSafe. Here is the list of Top 10 competitors of ADT, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Vivint 1999, Provo (United States), Acquired	Manufacturer of cloud-based smart security cameras for home applications	$172M	Goldman Sachs, Zions Bank & 13 others	82/100
2nd	Ooma 2004, Palo Alto (United States), Public	Provider of cloud-based business telephony and home security services	$88M	Worldview Technology Partners, Founders Fund ... & 8 others	80/100
3rd	SimpliSafe 2006, Boston (United States), Acquired	Comprehensive home security systems with advanced AI and professional monitoring	$387M	Sequoia Capital, Owl Rock Capital & 4 others	79/100
4th	Nest 2010, Palo Alto (United States), Acquired	Provider of hardware and software for monitoring home energy consumption	$80M	Shasta Ventures, Kleiner Perkins & 12 others	78/100
5th	Wyze 2017, Kirkland (United States), Series B	Manufacturer of cloud-based smart security cameras for video surveillance	$146M	Norwest, Marcy Venture Partners & 6 others	77/100
6th	Ring Labs 2012, Santa Monica (United States), Acquired	Provider of home security systems, cameras, alarms, and doorbells	$208M	Qualcomm Ventures, First Round Capital & 36 others	77/100
7th	ADT 1874, Boca Raton (United States), Acquired	Provider of cloud-based surveillance products for home security	$24.1M	ATP Private Equity Partners, SKS Private Equity ... & 5 others	81/100
8th	RELEX 2005, Helsinki (Finland), Series D	Provider of unified platform for retail and supply chain planning	$816M	Summit Partners, TCV & 4 others	76/100
9th	ecobee 2007, Toronto (Canada), Acquired	Manufacturer of smart thermostats, sensors, cameras, and security system bundles	$155M	Relay Ventures, Tech Capital Partners & 14 others	75/100
10th	Alarm.com 2000, Tysons (United States), Public	Provider of a cloud-based video intercom and physical security systems	$137M	TCV	74/100

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ADT has made 5 investments in companies including MIND and SAM Seamless Network. ADT has also acquired 33 companies including Origin Wireless AI and Apex Integrated Security Solutions.

Here is the list of investments & acquisitions:

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Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Feb 24, 2026	Acquisition	Origin Wireless AI	2019	Greenbelt (United States)
Oct 30, 2024	Investments	MIND	2023	Seattle (United States)
Jan 11, 2024	Acquisition	Apex Integrated Security Solutions	2004	Garden City (United States)