ADT Logo


“The client is completely safe. To do this, we use all possible technologies from video surveillance to access codes,” the ADT logo says. The emblem represents versatility, protection from all sides, and the formation of a safe field around the user.

ADT: Brand overview

Boca Raton, Florida, U.S.

ADT is at the forefront of security in both the real and the virtual world. This corporation appeared in 1874. At first, its main occupation was the telegraph business. Then she moved on to the production of security and fire alarms. The range of services is much broader: it includes radio frequency identification, access control, video surveillance, cybersecurity, carbon monoxide detection, and much more. ADT is headquartered in Florida and is owned by New York-based Apollo Global Management.

The company serves thousands of private and corporate clients. Still, few know that behind its simple name and unremarkable logo hides an amazing story that is part of the biography of an inventor named Edward Augustin Calahan. This man invented the ticker tape when he was the chief telegraph operator at Western Union. The second important discovery he made in 1870. Having discovered a thief in his house, Edward invented the telegraph warning system and connected all neighbors.

This was the beginning of ADT Corporation, which completely reoriented its business to create a safe environment in real life and on the Internet. In terms of identity, the service provider has always been consistent and avoided daring experiments.

Meaning and History

ADT Logo History

The history of the ADT logo began over a hundred years ago. Since then, it has come a long way – from an abbreviation in an oval pierced by an arrow to a modern, stylish monogram in a blue octagon. The current version looks like a road sign. And not in vain because this is a call to stop, pay attention, and listen to the safety rules, which ADT helps to comply with.

What is ADT?

ADT is an American company responsible for protecting property in residential homes, warehouses, enterprises, offices, and other facilities. It develops access control systems, intercoms, fire alarm systems, video surveillance kits, and various security equipment. It has monitoring centers to track alarm signals throughout the United States. The abbreviation “ADT” stands for “American District Telegraph.”

1874 – 1913

At the moment, during this period of the company’s development, the brand’s logo and emblem are unknown.

1913 – 1936

American District Telegraph Logo 1913

This version featured a white oval with a black border, pierced through by a horizontally flying arrow. In the oval was written “A.D.T. PROTECTION SERVICES. The designers divided the words into three lines and centered them.

1936 – 1964

American District Telegraph Logo 1936

The designers of the logo combined “A,” “D,” and “T” so that “A” covered “D” from below and “T” from above. Dots in the form of small black circles appeared to the left and right of the central letter.

1964 – today

American District Telegraph Logo 1964

In the middle of the last century, the company began to use a simplified wordmark without a ring. In the new version, the inscription resembled a monogram because the “A” and “T” partially overlapped the “D.” All three letters were bold and black.

1989 – today

The ADT Corporation Logo 1989-present

In 1989, designers made the acronym white and placed it inside a blue rectangle. This option is still relevant.

2007 – 2017

The ADT Corporation Logo 2007-2017

At the beginning of 2007, the corporation acquired a completely new logo. The letters “ADT” were inside a dark blue octagon. Simultaneously, they were placed in a rectangular white frame, and another white line ran along the octagon’s inner contour.

2017 – today

The ADT Corporation Logo 2017-present

The latest redesign made the image simpler and more versatile. The designers opted for a lighter shade of blue and removed the subtle white borders.

Font and Colors

ADT Emblem

The octagonal figure with the word “ADT” is the only corporate emblem. It has the simplest design, except that the letters are superimposed on one another. This monogram dates back to the 1950s and was used in different ways: either on a blank or rectangle. Now its background has the shape of an octagon.

Non-standard placement of “A,” “D,” and “T” does not interfere with font identification. Perhaps this is a redesigned version of the standard sans serif typeface. The letters are bold and proportional. Their lines are the same thickness.

ADT Symbol

The logo looks like a road sign because of the characteristic color combination: the octagon is tinted in a bright and fresh blue shade (# 005DA9). The abbreviation is completely white (#FFFFFF). The ADT Corporation owners also noticed this feature and began to use the logo for advertising, placing it on the road’s side on single poles.

ADT color codes

Navy BlueHex color:#0054d9
RGB:0 93 169
CMYK:100 45 0 34
Pantone:PMS 2728 C