
ADT
Home security, smart home automation, and alarm monitoring services.
About
ADT is a leading provider of security, automation, and smart home solutions for homeowners and businesses. They offer a range of services including alarm monitoring, video surveillance, smart locks, and integrated home automation systems, all backed by professional installation and 24/7 customer support.
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Key facts
- Website
- adt.com
- Headquarters
- Boca Raton, United States
- Founded
- 1874
- Employees
- 25,757
- Total funding
- $9.6B
- Business model
- B2C
Funding rounds
| Date | Round | Amount | Post-money | Lead investors |
|---|---|---|---|---|
| 6 Sept 2022 | Undisclosed round | $300M | ||
| 13 Oct 2020 | Undisclosed round | $450M | ||
| 3 Aug 2020 | Undisclosed round | $450M | ||
| 19 Jan 2018 | Undisclosed round | $1.5B | ||
| 2 May 2016 | Undisclosed round | $6.9B | $6.9B | Apollo Global Management |
| 28 Sept 2012 | Undisclosed round | Undisclosed |
Tech stack
Detected on adt.com, last scanned 31 Oct 2026. Run your own scan
- CMS / Builders
- Salesforce
- Email provider
- Microsoft 365
ADT scores 77. Does yours?
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Frequently asked
Is ADT trustworthy and reputable?
StartupHub's Data Trust & Reputation score for ADT is 70 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has ADT raised?
ADT has raised a total of $9.6B in funding.
How many employees does ADT have?
ADT has approximately 25,757 people on record.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for ADT

