When was 3SI Security Systems founded?

3SI Security Systems was founded in 1971 and raised its 1st funding round 35 years after it was founded.

Where is 3SI Security Systems located?

3SI Security Systems is headquartered in Malvern, United States. It is registered at Malvern, Pennsylvania.

Who is the current CEO of 3SI Security Systems?

Matt Kushner of 3SI Security Systems.

How many employees does 3SI Security Systems have?

As of Sep 30, 2026, the latest employee count at 3SI Security Systems is 342.

Is 3SI Security Systems a funded company?

3SI Security Systems is a funded company, having raised a total of $***** in its 1st and only funding round, a PE round on Mar 2006.

When was the latest funding round of 3SI Security Systems?

3SI Security Systems' latest funding was a $***** PE round on Mar 2006, with participation from 1 investor.

Where does 3SI Security Systems rank among its competitors?

3SI Security Systems ranks 2nd amongst 257 active competitors, of which 8 are funded. It stands 7th in terms of total funding among its competitors. The most recent competitor to raise funding was SingleFile, which secured $9.1M in Feb, 2025.

Who are the top competitors of 3SI Security Systems?

3SI Security Systems' top competitors include SingleFile, Compliance.ai and TeamLease RegTech. Among them, SingleFile secured the most recent funding round in February, 2025.

3SI Security Systems - 2026 Company Profile, Team, Funding & Competitors

3SI Security Systems is an acquired company based in Malvern (United States), founded in 1971. It operates as a Provider of integrated security solutions for various sectors. 3SI Security Systems has raised an undisclosed amount in funding. The company has 257 active competitors, including 8 funded and 14 that have exited. Its top competitors include companies like SingleFile, Compliance.ai and TeamLease RegTech.

Company Details

Provider of integrated security solutions for various sectors. These solutions encompass GPS tracking, video surveillance systems, and video management software. The company offers tailored solutions for retail, construction, corporate, technology, logistics, financial services, public sector, higher education, and healthcare industries. A key component is a direct-to-dispatch service that transmits real-time data to law enforcement agencies. The focus is on crime detection, deterrence, and apprehension support.

Website: www.3sisecurity.com/
Social
Email ID: *****@3sisecurity.com
Phone Number: +1 **********
Registered Address: Malvern, Pennsylvania

Key Metrics

Founded Year

1971

Location

Malvern, United States

Stage

Acquired

Latest Funding Round

PE, Mar 2006, $*****

Investors

Hilltop Private Capital & 2 more

Ranked

2^nd among 257 active competitors

Employee Count

342 as on Sep 30, 2026

Similar Companies

Libryo & 215 more

Exit Details

Acquired by LLR Partners (Jun 20, 2017)

View 3SI Security Systems' full profile

3SI Security Systems is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
3SI SECURITY SYSTEMS, INC. CIN: 371434250 , United States, Active	Dec 26, 999	-	255 (As on Dec 31, 2024)	-

3SI Security Systems got acquired by LLR Partners on Jun 20, 2017.

Click here to take a look at 3SI Security Systems's acquisition in detail

3SI Security Systems has raised funding over 1 round. Its latest funding round was a PE round on Mar 2006 for $*****. 1 investor participated in its latest round. 3SI Security Systems has 3 institutional investors.

Here is the list of recent funding rounds of 3SI Security Systems:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Mar 2006	7063426	PE	8899710	1961405	8703773	7038170

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View details of 3SI Security Systems's funding rounds and investors

3SI Security Systems' employee count trend

3SI Security Systems has 342 employees as of Sep 26. Here is 3SI Security Systems's employee count trend over the years:

Employee count trend for 3SI Security Systems

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Top competitors of 3SI Security Systems include SingleFile, Compliance.ai and TeamLease RegTech. Here is the list of Top 10 competitors of 3SI Security Systems, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	SingleFile 2019, Seattle (United States), Series A	Registered agent and entity compliance in all 52 states	$36M	Foundry, Pioneer Square Labs & 9 others	53/100
2nd	3SI Security Systems 1971, Malvern (United States), Acquired	Provider of integrated security solutions for various sectors	-	Hilltop Private Capital, Lincolnshire Management ... & 1 others	50/100
3rd	Compliance.ai 2016, San Francisco (United States), Acquired	Regulatory change management and regulatory intelligence solutions platform	$13M	Cota Capital, JAM FINTOP & 4 others	51/100
4th	TeamLease RegTech 2013, Pune (India), Unfunded	Provider of compliance management software and services	-	-	48/100
5th	Libryo 2015, Cape Town (South Africa), Acquired	Cloud-based legal compliance management solution provider	$2.9M	Seedcamp, Nextlaw Ventures & 24 others	46/100
6th	Intelligize 2007, New York City (United States), Acquired	Provider of SEC compliance, transactional law, and financial reporting research	$5.01M	First Round Capital, REV & 1 others	43/100
7th	Hanzo 2009, Portland (United States), Series A	Cloud-based legal compliance managment solutions provider	$10.8M	Recurring Capital Partners, Perscitus & 3 others	42/100
8th	Lexverify 2020, Birmingham (United Kingdom), Acquired	AI powered legal compliance management software	$1.14M	Midven, LegalTech & 5 others	42/100
9th	Verify 365 2020, Stratford-upon-Avon (United Kingdom), Unfunded	Platform offering legal compliance software	-	-	42/100
10th	CTAIMA 2003, Spain, Late Stage	Provider of contractor management, legal compliance, and risk prevention software	-	Hg, JB46 & 3 others	41/100