When was American Tower founded?

American Tower was founded in 1994 and raised its 1st funding round within a year of its incorporation.

Where is American Tower located?

American Tower is headquartered in Boston, United States. It is registered at Boston, Massachusetts.

How many employees does American Tower have?

As of Aug 31, 2026, the latest employee count at American Tower is 6135.

Is American Tower a funded company?

American Tower is a funded company, having raised an undisclosed amount across 19 funding rounds to date. The company's 1st funding round was a $***** Unattributed round, raised on 1994.

When was the latest funding round of American Tower?

American Tower's latest funding was a $***** Grant (prize money) round on Jan 01, 2023, with participation from 1 investor.

What is the annual revenue of American Tower?

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

Where does American Tower rank among its competitors?

American Tower ranks 1st amongst 4 active competitors, none of which are funded.

Who are the top competitors of American Tower?

American Tower's top competitors include SBA Communications, Uniti and Crown Castle. Among them, American Tower secured the most recent funding round in January, 2023.

American Tower - 2026 Company Profile, Funding, Competitors & Financials

Company Details

Provider of wireless communications infrastructure. It is a provider of digital communications infrastructure, offering solutions and services to deploy and support wireless networks. The companys portfolio includes data centers, interconnectivity solutions, and distributed land for data center development.

Website: www.americantower.com
Registered Address: Boston, Massachusetts

Key Metrics

Founded Year

1994

Location

Boston, United States

Stage

Public

Latest Funding Round

Grant (prize money), Jan 01, 2023, $*****

Investors

Goldman Sachs & 6 more

Ranked

1^st among 4 active competitors

Annual Revenue

$1B+ as on Dec 31, 2025

Employee Count

6,135 as on Aug 31, 2026

Investment & Acquisitions

CoreSite & 11 more

Similar Companies

SBA Communications & 2 more

Exit Details

Public

View American Tower's full profile

American Tower is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
AMERICAN TOWER CORP /MA/ CIN: 1053507 , United States, Active	Jan 24, 2005	$1B+ (As on Dec 31, 2025)	5643 (As on Dec 31, 2023)	-
AMERICAN TOWER CORPORATION CIN: 650723837 , United States, Active	Dec 26, 999	-	4866 (As on Dec 31, 2025)	-

American Tower got listed on Feb 27, 1998.

Click here to take a look at American Tower's IPO in detail

American Tower has raised funding over 19 rounds. Its first funding round was on 1994. Its latest funding round was a Grant (prize money) round on Jan 01, 2023 for $*****. 1 investor participated in its latest round. American Tower has 7 institutional investors.

Here is the list of recent funding rounds of American Tower:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jan 01, 2023	8543081	Grant (prize money)	8355379	4392768	2094602	8512733
2017	2011	Conventional Debt	8758	2700	7328	9660
2017	5630	Conventional Debt	2310	4421	5720	3578

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American Tower's employee count trend

American Tower has 6,135 employees as of Aug 26. Here is American Tower's employee count trend over the years:

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Top competitors of American Tower include SBA Communications, Uniti and Crown Castle. Here is the list of Top 10 competitors of American Tower, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	American Tower 1994, Boston (United States), Public	Provider of wireless communications infrastructure	-	Goldman Sachs, ValueAct Capital & 5 others	70/100
2nd	SBA Communications 1989, Boca Raton (United States), Public	Provider of wireless infrastructure services	-	Goldman Sachs, TA Associates & 1 others	66/100
3rd	Uniti 2015, Little Rock (United States), Public	REIT that invests in telecom and network infrastructure	-	Elliott Management, Wazee Street Capital & 1 others	63/100
4th	Crown Castle 1994, Houston (United States), Acquired	Equity REIT investing in shared wireless infrastructure like cell towers & fiber supporting small cells	-	Castle Island Partners, Chatham Capital & 1 others	56/100

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American Tower has made 3 investments in companies including AST & Science and Federated Wireless. American Tower has also acquired 9 companies including CoreSite and InSite Wireless.

Here is the list of investments & acquisitions:

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Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Nov 15, 2021	Acquisition	CoreSite	2001	Denver (United States)
Nov 05, 2020	Acquisition	InSite Wireless	2000	Alexandria (United States)
Mar 03, 2020	Investments	AST & Science	2017	Midland (United States)