ADT Inc., formerly the ADT Corporation, is an American security company that provides residential and small business
electronic security,
fire protection
Fire protection is the study and practice of mitigating the unwanted effects of potentially Conflagration, destructive fires. It involves the study of the behaviour, Compartmentalization (fire protection), compartmentalisation, suppression and inve ...
, and other related
alarm
ALARM (Air Launched Anti-Radiation Missile) is a British anti-radiation missile designed primarily to destroy enemy radars for the purpose of Suppression of Enemy Air Defenses (SEAD). It was used by the Royal Air Force, RAF and is still used by ...
monitoring services throughout the United States. The corporate head office is located in
Boca Raton
Boca Raton ( ; ) is a city in Palm Beach County, Florida, United States. The population was 97,422 in the 2020 United States census, 2020 census and it ranked as the 23rd-largest city in Florida in 2022. Many people with a Boca Raton Address, ...
,
Florida
Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...
. In February 2016, the company was acquired by
Apollo Global Management
Apollo Global Management, Inc. is an American asset management firm that primarily invests in alternative assets. , the company had $548 billion of assets under management, including $392 billion invested in credit, including mezzanine capita ...
for $6.9billion in a leveraged buyout.
In January 2018, the company went public on the
New York Stock Exchange
The New York Stock Exchange (NYSE, nicknamed "The Big Board") is an American stock exchange in the Financial District, Manhattan, Financial District of Lower Manhattan in New York City. It is the List of stock exchanges, largest stock excha ...
.
History
In 1863,
Edward A. Calahan invented a
stock ticker and formed the Gold and Stock Telegraph Company in 1867 to exploit the technology. Gold and Stock also developed a messenger system that sent instructions to and from the stock exchange floor. Three years later, the president of Gold and Stock Telegraph Company woke up to a burglar in his home, which inspired him to create a telegraph-based alert system. This system eventually connected 50 of his neighbors to a central station, where all the alert boxes were monitored. There were many small
telegraph
Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas ...
delivery companies in the
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
in the 19th century.
In 1874, 57 district telegraph delivery companies affiliated and became American District Telegraph (ADT). With the increase in telephone usage in the late 19th century, ADT's messenger business slowly declined in popularity. ADT tried branching out and developing their signaling business while still maintaining their telegraph business as their primary income source.
ADT incorporated into
Western Union
The Western Union Company is an American multinational financial services corporation headquartered in Denver, Denver, Colorado.
Founded in 1851 as the New York and Mississippi Valley Printing Telegraph Company in Rochester, New York, the co ...
in 1901 and separated its messenger business from its main signaling business at that time. In 1909, Western Union and ADT came under the control of
American Telephone & Telegraph Company (AT&T). ADT began to expand into new areas, such as
fire alarms and
security alarm
A security alarm is a system designed to detect intrusions, such as unauthorized entry, into a building or other areas, such as a home or school. Security alarms protect against burglary (theft) or property damage, as well as against intruders. ...
s, between 1910 and 1930, but was kept separate from AT&T's
Holmes alarm business. ADT became a
publicly traded company
A public company is a company whose ownership is organized via shares of stock which are intended to be freely traded on a stock exchange or in over-the-counter markets. A public (publicly traded) company can be listed on a stock exchange ( ...
in the 1960s.
In 1964, ADT was found to be a monopoly in
restraint of trade
Restraints of trade is a common law doctrine relating to the enforceability of contractual restrictions on freedom to conduct business. It is a precursor of modern competition law. In an old leading case of '' Mitchel v Reynolds'' (1711) Lord S ...
. It was shown to provide almost 80% of the central station alarm service in the United States. In some cities, such as
New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
and
Memphis, Tennessee
Memphis is a city in Shelby County, Tennessee, United States, and its county seat. Situated along the Mississippi River, it had a population of 633,104 at the 2020 United States census, 2020 census, making it the List of municipalities in Tenne ...
, they were the sole provider. They were also found to have forced competitors out of business by lowering prices below cost. They would charge national accounts very low prices in cities with competitors and much higher prices where no competition was available. ADT was forced to adopt a national price list, which could not be varied, to help establish central station competitors in cities without competition and to pay fines and triple damages to the federal government, customers, and local competitors.
In early 1987, the firm Hawley Goodall, owned by
Michael Ashcroft, bought the
Indianapolis
Indianapolis ( ), colloquially known as Indy, is the List of capitals in the United States, capital and List of municipalities in Indiana, most populous city of the U.S. state of Indiana and the county seat of Marion County, Indiana, Marion ...
-based Crime Control Inc., the fourth-largest company in the U.S. security market, for $50 million. Later in the year, it bought ADT and moved to
Bermuda
Bermuda is a British Overseas Territories, British Overseas Territory in the Atlantic Ocean, North Atlantic Ocean. The closest land outside the territory is in the American state of North Carolina, about to the west-northwest.
Bermuda is an ...
. This purchase transformed Hawley into the leading security services business in the United States and resulted in the majority of its revenues coming from the North American market. As a result of the acquisition, Hawley changed its name to ADT Limited and decided to refocus its business around security services. At the end of 1987, the company sold its North American-based facility services business to Denmark's
ISS A/S.
In 1997, ADT was purchased by
Tyco International
Tyco International was a security systems company incorporated in the Republic of Ireland, with operational headquarters in Princeton, New Jersey, United States (Tyco International (US) Inc.). Tyco International was composed of two major busin ...
in a
reverse takeover
A reverse takeover (RTO), reverse merger, or reverse IPO is the acquisition of a public company by a private company so that the private company can bypass the lengthy and complex process of going public. Sometimes, conversely, the public compa ...
.

In January 2010, Tyco acquired
Broadview Security (formerly Brink's Home Security), then ADT's largest competitor, for $2billion. When the acquisition closed later that year, the Broadview name was discontinued, and Broadview's operations were integrated into ADT.

In September 2011, Tyco announced that it would split into three companies, ADT being one of the three. On October 1, 2012, ADT debuted as an independent public company and began trading on the New York Stock Exchange (). In 2014, it acquired the Canadian company Reliance Protectron Security Services from
Reliance Home Comfort for a total of
Can$
The Canadian dollar (currency symbol, symbol: $; ISO 4217, code: CAD; ) is the currency of Canada. It is abbreviated with the dollar sign $. There is no standard disambiguating form, but the abbreviations Can$, CA$ and C$ are frequently used f ...
555million.
In February 2016,
Apollo Global Management
Apollo Global Management, Inc. is an American asset management firm that primarily invests in alternative assets. , the company had $548 billion of assets under management, including $392 billion invested in credit, including mezzanine capita ...
acquired ADT for nearly $7billion and merged it with another home security firm, Protection 1. The purchase price represented a premium of approximately 56 percent over ADT's closing share price on February 12, 2016, and when combined with Protection 1, represented an aggregate transaction value of approximately $15billion. The company went public again in January 2018 and again on the New York Stock Exchange under the ticker symbol ADT.
As of 2023, Apollo still retains a majority share in ADT.
In April 2018, ADT acquired Aronson Security Group Inc. and Acme Security Systems as part of its commercial expansion plans.
In October 2019,
Telus Corporation purchased all of ADT's Canadian assets for $700 million. By September 2020, Telus had renamed ADT's Canadian operations to Telus SmartHome Security.
In August 2020,
Google
Google LLC (, ) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial ...
announced that it would invest $450million in ADT in exchange for a 6.6% equity stake. The partnership will leverage ADT's network of installers to sell and install
Nest
A nest is a structure built for certain animals to hold Egg (biology), eggs or young. Although nests are most closely associated with birds, members of all classes of vertebrates and some invertebrates construct nests. They may be composed of ...
devices, and aim to integrate Google's AI and Nest
smart home
''SMart'' was a British CBBC television programme based on art, which began in 1994 and ended in 2009. The programme was recorded at BBC Television Centre in London. Previously it had been recorded in Studio A at Pebble Mill Studios in Birming ...
devices into ADT's services.
In November 2021, ADT announced an agreement to acquire Sunpro Solar, a residential
rooftop solar power
A rooftop solar power system, or rooftop PV system, is a photovoltaic (PV) system that has its electricity-generating solar panels mounted on the rooftop of a residential or commercial building or structure. The various components of such a syst ...
contractor, for $160million in cash plus approximately 77.8million shares of ADT common stock, implying a total enterprise value of approximately $825million. The company was rebranded as "ADT Solar" and operates as a wholly owned subsidiary of ADT. On January 24, 2024 ADT announced that due to financial difficulties they will be closing their solar division.
In September 2022,
State Farm
State Farm Insurance is a group of mutual insurance companies throughout the United States with corporate headquarters in Bloomington, Illinois. Founded in 1922, it is the largest property and casualty insurance, property, casualty and auto i ...
announced that it would invest $1.2billion in ADT in exchange for a 15% equity stake, and that it would commit up to $300million to an "opportunity fund" to support ADT's marketing, technology, and innovation.
At the same time, Google separately announced it would commit a further $150 million into a "success fund" for ADT.
On July 10, 2023, ADT disclosed that errors were identified in regards to their non-cash goodwill impairment losses associated with their Solar reporting unit and related tax impacts. These errors were identified during the third quarter of 2022 and the first quarter of 2023. As a result, the company announced that their financial results for the third and fourth quarter of 2022 and the first quarter of 2023 would be restated. Consequently, investors were negatively impacted as ADT's stock price decreased during trading, the following day.
ADT completed divesting its commercial security, fire and life safety business unit to private equity firm
GTCR
GTCR LLC is a Chicago, Illinois-based private equity firm focused on leveraged buyout, leveraged recapitalization, growth capital and rollup transactions. The firm principally invests in high-growth industries, including financial services & te ...
for $1.6 billion in October 2023.
Operations
As of March 2019, ADT had nine monitoring centers and a network of more than 17,000 professionals, serving 6 million customers in over 200 locations throughout the United States.
References
External links
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{{DEFAULTSORT:ADT
Apollo Global Management companies
Companies based in Boca Raton, Florida
American companies established in 1874
Technology companies established in 1874
Companies listed on the New York Stock Exchange
Fire detection and alarm companies
Security companies of the United States
1874 establishments in the United States
2016 mergers and acquisitions
2018 initial public offerings
Corporate spin-offs
Telegraph companies of the United States