ADT

Corporate brand

An American provider of professionally monitored residential and commercial security, fire-safety, and smart-home services.

Last updated October 31, 2026

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Overview

ADT Inc. is an American security-services company headquartered in Boca Raton, Florida. Its principal activities are professionally monitored residential security, small-business security, electronic alarm systems, fire and life-safety monitoring, video surveillance, and connected-home services. ADT generally combines equipment, installation, communications connectivity, monitoring, maintenance, and customer support into recurring service relationships. This model distinguishes the company from a simple hardware retailer: the customer is paying for an ongoing monitoring and response service as well as the underlying devices. The brand’s history reaches back to the nineteenth-century development of telegraph-based alarm communications in the United States. In 1874, 57 district telegraph delivery companies affiliated under the American District Telegraph name. Over time, the organization moved away from messenger and telegraph activities and toward alarm signaling, central-station monitoring, fire protection, and security services. Telephone, wireless, and digital communications subsequently allowed ADT to expand the scale and sophistication of its monitoring operations. ADT’s corporate ownership has changed repeatedly. It became part of Western Union in 1901 and came under the control of AT&T, alongside Western Union, in 1909. The security business later passed through public-company, Hawley Goodall, ADT Limited, Tyco International, and private-equity ownership structures. Tyco acquired ADT in 1997 and later integrated Broadview Security, formerly Brink’s Home Security, into the business. ADT was separated from Tyco and began trading independently in 2012, was acquired by Apollo Global Management in 2016, and returned to the public market in 2018. In the modern period, ADT has broadened traditional alarm monitoring with cameras, video doorbells, smart locks, mobile applications, automation features, and integrations with Google Nest technology. Google became a strategic investor and technology partner, while State Farm later acquired a significant equity position and committed additional funds for marketing, technology, and innovation. ADT also attempted to expand into residential solar through the acquisition and rebranding of Sunpro Solar, but announced the closure of that division in 2024 after financial difficulties. The company subsequently refocused more strongly on its core security and monitoring activities. ADT serves customers primarily in the United States. Its former Canadian operations were sold to TELUS in 2019 and later operated under the TELUS SmartHome Security name. ADT remains listed on the New York Stock Exchange under the symbol ADT. Its competitive positioning rests on brand recognition, a large installed customer base, professional installation, central-station monitoring, field-service capabilities, and the combination of physical security with connected-home technology.

History

ADT’s roots reach back to 1874 and the American District Telegraph system. Early operations used telegraph communications and local response networks to relay requests and alerts. As communications technology and urban security needs changed, the business increasingly focused on electronic burglar alarms, fire alarms, central-station monitoring, and related protection services. The ADT identity came to represent a service model in which signals from protected premises were transmitted to monitoring centers, where operators could verify events and coordinate responses. During the twentieth century, ADT developed into a large security-services organization serving homes and businesses. Its value proposition combined equipment, installation, maintenance, and recurring monitoring rather than relying solely on one-time hardware sales. This model created long customer relationships and made the company a prominent participant in the North American alarm industry. Tyco acquired ADT in 1997. Under Tyco ownership, ADT operated within a broader security and fire-protection portfolio and participated in industry consolidation. Tyco separated ADT as an independent public company in 2012, giving the brand a standalone corporate identity and public listing. The company continued to focus on monitored security, automation, and related services for residential and business customers. Apollo Global Management acquired ADT in February 2016 for a transaction value reported at nearly $7 billion. Apollo combined ADT with Protection 1 and other related security assets. The transaction substantially increased the combined company’s customer base and market share in monitored security in the United States and Canada. The resulting organization represented a new corporate phase for the ADT brand, with a larger installed base and a broader technology and service platform. ADT returned to public ownership through an initial public offering in January 2018. Its shares began trading on the New York Stock Exchange under ADT. The offering prospectus described Apollo-affiliated entities as retaining majority voting control after the offering. ADT continued to operate as a recurring-service security company, combining professional monitoring with interactive home and business automation. In the 2010s and 2020s, ADT’s consumer proposition moved toward connected homes and remote management. Mobile applications, cameras, video doorbells, smart locks, sensors, automation, and cloud-connected services supplemented traditional intrusion and fire detection. ADT also pursued a technology relationship with Google, including integration with Google Nest products and services. The partnership supported a repositioning of ADT as both a professional security provider and a connected-home platform. The brand’s marketing similarly evolved. Earlier security advertising often emphasized burglary, fire, and emergency response. Campaigns such as In My Mind’s Eye highlighted ordinary routines, prevention, and the ability to monitor a home while away. Later brand work emphasized personalization, empowerment, and the emotional importance of protecting people and possessions. ADT also expanded digital acquisition, social communications, self-setup options, and multicultural outreach. A major portfolio change occurred in 2023, when GTCR acquired ADT’s commercial security and fire business. That operation became Everon, a standalone commercial security and life-safety company. The separation clarified ADT’s contemporary emphasis on residential and small-business customers while ending the ADT Commercial identity as part of the same operating structure. ADT remains active as a public company and continues to build its brand around professionally monitored security, home automation, video, and flexible customer experiences.

2023
Commercial business becomes Everon
[5]ADT Commercial Rebrands as Everon After GTCR Completes Acquisitiontma.us
GTCR completes its acquisition of ADT’s commercial security and fire segment, which is rebranded Everon.
2018
Public-market relisting
[3]ADT Inc. IPO prospectussec.gov
ADT completes an IPO and lists on the New York Stock Exchange under ticker ADT.
2016
Apollo acquisition and Protection 1 combination
[2]ADT Inc. Form S-1sec.gov
Apollo acquires ADT and combines it with Protection 1, creating a substantially larger monitored-security platform.
2014
In My Mind’s Eye campaign expands the brand message
[4]ADT ad campaign shifts marketing focus from emergency security to everyday servicesthedrum.com
Advertising shifts attention from emergency incidents toward prevention, everyday security, and remote control.
2012
ADT is separated from Tyco
[1]ADT Inc.en.wikipedia.org
Tyco spins ADT out as an independent publicly traded security company.
1997
Tyco acquires ADT
[1]ADT Inc.en.wikipedia.org
ADT becomes part of Tyco’s broader security and fire-protection portfolio.
1874
American District Telegraph origins
[1]ADT Inc.en.wikipedia.org
The organization’s historical roots begin with American District Telegraph operations and telegraph-based alert and response services.

Products and positioning

Premium, trust-led and professionally monitored security with increasing emphasis on connected-home technology, everyday prevention, and flexible installation options.

Connected security and home automation platform
ADT Command
ADT Command is a connected control experience for compatible ADT security and automation systems. It is designed to let customers arm and disarm systems, receive alerts, view compatible cameras, and manage selected smart-home functions through digital interfaces. Availability and included capabilities depend on the customer’s equipment, service package, and market.
Consumer security and smart-home service
ADT+
ADT+ is a newer consumer-facing security and connected-home experience associated with ADT’s efforts to combine professional monitoring, cameras, sensors, automation, and mobile control. It supports a broader technology-led proposition and may be offered through different installation and equipment configurations.
Alarm monitoring service · 1874
Professionally monitored security
ADT’s central service is professional monitoring for intrusion, fire, environmental, and other alarm signals. Systems can be installed in homes or small businesses, with monitoring personnel assessing signals and following established procedures for contacting customers and emergency services when appropriate.
Security hardware and automation
Video and smart-home equipment
The portfolio includes security cameras, video doorbells, sensors, smart locks, automation controls, and related connected devices. These products extend ADT beyond conventional alarms by supporting remote awareness, package and visitor visibility, activity notifications, and everyday home-control tasks.
Business security service
Small-business security
ADT provides security and monitoring solutions for small businesses, including intrusion detection, video, fire-related protection, access-related technologies, and remote management. The exact offering depends on premises, system design, local availability, and the customer’s monitoring requirements.

Controversies

2021
ADT sues Amazon over alleged Ring trademark infringement
In April 2021, ADT filed a lawsuit against Amazon, alleging that Amazon's subsidiary Ring infringed ADT's blue octagon trademark. The source reports this as an allegation made by ADT in its lawsuit; it does not state that infringement has been established or decided. The dispute concerns the blue octagon mark associated with ADT. No further details on the claims, the parties' responses, or the outcome of the case are provided in the source material.
Source
2021
ADT sues Ring over blue octagon design
ADT filed a lawsuit against Ring, alleging that Ring's blue octagonal designs copied ADT's symbol and risked confusing customers. In the suit, ADT asked a federal judge to bar Ring from using the allegedly similar symbols and sought compensation. The dispute centered on the claimed similarity between Ring's blue octagonal designs and ADT's symbol, with ADT asserting that the resemblance could cause customer confusion.
Source
2020
ADT faced class-action lawsuits over alleged unauthorized camera access
In 2020, plaintiffs filed two federal class-action lawsuits against ADT. The suits alleged that an ADT technician gained unauthorized remote access to customers' security cameras and systems. The claims are allegations made in litigation and do not constitute findings by a court. The lawsuits concerned the alleged unauthorized access to customer security cameras and systems.
Source
2020
ADT faces class-action lawsuits over alleged customer-camera spying
ADT faced two class-action lawsuits accusing the company of failing to prevent a former employee from accessing customers' home surveillance-camera video streams. The allegations in the lawsuits are not presented as established findings.
Source

2024When Every Second Counts
United States · Canada
The platform connected ADT’s long history with contemporary security technology and emphasized the importance of rapid action, professional monitoring, and protection in everyday life.
Outcome. The campaign was presented as a central modern brand platform; independently verified reach and sales effects were not established by the supplied sources.
Source
2022ADT Commercial social-media thought leadership
United States
ADT Commercial used LinkedIn content tailored to vertical markets including retail, hospitality, healthcare, and education. The work addressed workplace violence, retail theft, school security, and operational risks, using subject-matter expertise from its commercial teams.
Outcome. The campaign reportedly generated more than 4,000 tracked conversions to the ADT Commercial website and won a 2022 SAMMY award for social media.
Source
2020ADT So Safe
United States
The campaign is described in secondary marketing coverage as part of ADT’s effort to present safety and security through a more reassuring, empowerment-oriented message.
Outcome. No independently verified campaign results were available in the supplied sources.
Source
2019What Do You Want to Protect?
United States · Canada
ADT’s brand transformation centered on a question about what customers personally value and want to protect. The platform framed security as individualized and emotionally meaningful rather than as a generic response to fear.
Outcome. It helped communicate a more personalized brand identity during ADT’s transition toward connected-home services.
Source
2014In My Mind’s Eye
United States
This campaign used consumer insights to move ADT advertising away from a narrow focus on burglaries and emergencies. Creative work presented security as part of ordinary, mobile lifestyles and emphasized prevention, monitoring, and control when people were away from home.
Outcome. The campaign supported a broader everyday-security positioning, although independently verified performance figures were not provided.
Source
Hispanic-market communications
United States
ADT worked with BlackDog Advertising on culturally relevant Spanish-language materials for Hispanic audiences in South Florida, Texas, Arizona, Los Angeles, Chicago, and New York. Tactics included direct-response television, mail, press outreach, a microsite, and Spanish print materials.
Outcome. The program aimed to improve lead efficiency and community relevance; no independently verified performance figures were supplied.
Source
Entrusted with Tomorrow
United States
ADT’s employer-brand campaign presented the company as a place where employees can build a legacy and contribute to a safer future. Its stated pillars were ownership, purpose, shaping the future, and winning together.
Outcome. The campaign was intended to support talent attraction and explain ADT’s employee value proposition.
Source

Brand decisions

2023
Separate the commercial security and fire businessM&A
Background
ADT reorganized its portfolio to separate the commercial security and fire segment from the residential-focused ADT business.
Action taken
GTCR acquired the commercial segment, which became a standalone company and adopted the Everon name.
Aftermath
ADT’s remaining brand and operating focus became more closely associated with residential and small-business security and monitoring.
Reported transaction value. $1.6 billion (2023)
Source
2018
Return ADT to public marketsStrategy
Background
Following Apollo’s 2016 leveraged acquisition, ADT pursued a public listing to provide capital and restore public-market access.
Action taken
ADT completed an IPO and listed its common stock on the NYSE under ADT.
Aftermath
The company became publicly traded again while Apollo-affiliated entities retained majority voting control after the offering.
IPO offer price. $14 per share (January 2018)
Source
2016
Acquire ADT and combine it with Protection 1M&A
Background
Apollo sought to create a larger monitored-security platform by acquiring ADT and combining it with Protection 1 and related operations.
Action taken
Apollo completed the ADT acquisition and integrated the businesses under the ADT platform.
Aftermath
The transaction increased the combined company’s scale and market share in monitored security across the United States and Canada.
Reported ADT acquisition value. Nearly $7 billion (2016)
Source

Recent events

Unconfirmed
DoorDash announces SafeDash driver safety features[16]DoorDash宣布推出SafeDash司机安全功能patriotla.iheart.com
DoorDash announced two new SafeDash features for delivery drivers in the Los Angeles area: a safety reassurance call connecting drivers with an ADT agent and an emergency assistance button through which ADT can contact 911. The features were expected to begin use in Los Angeles that month before becoming available nationwide.
2021-11-03
DoorDash introduces SafeDash security toolkit[17]DoorDash推出SafeDash安全工具包techcrunch.com
Reported: 2021-11-03
DoorDash introduced SafeDash, an in-app security toolkit for delivery providers, with an initial rollout in New York, Chicago, Philadelphia, Detroit, San Francisco, and Los Angeles. DoorDash said delivery-side users across the United States would get access by the end of the year.
2021-10-05
Redfin partners with ADT to monitor Direct Access homes[18]Redfin与ADT合作监控Direct Access房屋geekwire.com
Reported: 2021-10-05
Redfin announced a partnership with ADT to provide additional security monitoring for homes in Redfin's Direct Access program. ADT will inform sellers about property entries and exits, photograph entrants, monitor doors, and detect unauthorized entry outside touring hours.
Unconfirmed
ADT sues Amazon over alleged Ring trademark infringement[13]ADT sues Amazon over alleged Ring trademark infringementworldipreview.com
Reported: 2021-04-28
ADT is suing Amazon, alleging that its subsidiary Ring infringed ADT's blue octagon trademark. The source describes this as a claim, not a determination of infringement.
2021-04-27
ADT sues Ring over blue octagon design[14]ADT sues Ring over blue octagon designlawstreetmedia.com
Reported: 2021-04-27
ADT sued Ring, claiming Ring's blue octagonal designs copied ADT's symbol and risked confusing customers; ADT asked a federal judge to bar Ring from using the allegedly similar symbols and sought compensation.
Unconfirmed
Advanced Micro-Fabrication Equipment supplies 8230 dicing machines to customers[19]先进微电子向客户供应8230划片机sc.stock.cnfol.com
Advanced Micro-Fabrication Equipment developed the 8230 fully automatic dual-spindle dicing machine, and the article reports that the new product had been supplied to downstream customers.
2020-08-03
Google announces purchase of minority stake in ADT[20]Google宣布收购ADT少数股权nbcsandiego.com
Reported: 2020-08-03
Google said it is paying $450 million for a nearly 7% stake in ADT, a deal described as opening opportunities to extend the reach of Nest cameras and Google Assistant.
2020-08-03
Google announces $450 million investment in ADT[21]Google宣布向ADT投资4.5亿美元cnet.com
Reported: 2020-08-03
Google announced a $450 million investment in ADT in exchange for shares of newly created Class B common stock; the deal was expected to close later in 2020.
2020-08-03
Google and ADT announce smart-home security partnership[21]Google宣布向ADT投资4.5亿美元cnet.com
Reported: 2020-08-03
Google announced a partnership with ADT to combine Google devices, services and technology with ADT’s professional technician network for smart-home security offerings. The companies also described plans for future combined sales and installation efforts and enhanced monitoring.
2020-08-03
Google and ADT announce home security partnership[22]Google与ADT宣布家庭安防合作aninews.in
Reported: 2020-08-03
Google and ADT announced a partnership under which ADT will use Nest cameras and Nest Home Hub devices in customers’ security systems.

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