Insights

Innovative Security Platform 3Si has developed a comprehensive suite of security solutions, including their recently launched DirectToDispatch platform, which delivers critical crime data directly to law enforcement. This presents a sales opportunity to expand to additional public safety agencies and private security firms seeking integrated police response solutions.

Growing Strategic Partnerships Recent collaborations with Netwatch and Rapid Response Monitoring Services demonstrate 3Si's focus on enhancing threat detection and response capabilities. Collaborating with similar technology providers or expanding existing partnerships could open new markets in surveillance and emergency response sectors.

Sustained Revenue Growth With revenues estimated between $50 million and $100 million and a recent funding round of $13 million, 3Si is in a strong financial position to invest in new technologies or market expansion initiatives, creating opportunities to introduce complementary security products or services.

Leadership & Innovation Recent leadership appointments and strategic hires, such as Board Advisor Bill Bozeman and Senior Vice President Joseph Courtesis, highlight a focus on strengthening their security expertise and expanding market influence, signaling room for tailored enterprise solutions and professional services targeted at law enforcement agencies.

Market Focus & Trends Positioned within the security and investigations industry, 3Si’s focus on redefining actionable intelligence aligns with broader market trends emphasizing predictive security and data-driven responses. Opportunities exist to promote AI-enabled analytics and proactive threat management solutions to security providers and large enterprise clients.

3Si Tech Stack

3Si uses 8 technology products and services including WSDL, Angular, D3.js, and more. Explore 3Si's tech stack below.

  • WSDL
    IT Infrastructure
  • Angular
    Javascript Frameworks
  • D3.js
    Javascript Graphics
  • jQuery
    Javascript Libraries
  • C#
    Programming Languages
  • HTML
    Programming Languages
  • Tailwind CSS
    UI Frameworks
  • Atlassian Confluence
    Wikis

Media & News

3Si's Email Address Formats

3Si uses at least 1 format(s):
3Si Email FormatsExamplePercentage
First_Last@3sisecurity.comJohn_Doe@3sisecurity.com
82%
FLast@3sisecurity.comJDoe@3sisecurity.com
14%
First@3sisecurity.comJohn@3sisecurity.com
3%
FirstLast@3sisecurity.comJohnDoe@3sisecurity.com
1%

Frequently Asked Questions

Where is 3Si's headquarters located?

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3Si's main headquarters is located at 101 Lindenwood Drive Suite 200 Malvern, Pennsylvania 19355 United States. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is 3Si's phone number?

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You can contact 3Si's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is 3Si's stock symbol?

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3Si is a publicly traded company; the company's stock symbol is 3SIN.L.

What is 3Si's official website and social media links?

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3Si's official website is 3sisecurity.com and has social profiles on LinkedInCrunchbase.

What is 3Si's NAICS code?

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3Si's NAICS code is 5616 - Investigation and Security Services.

How many employees does 3Si have currently?

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As of June 2026, 3Si has approximately 339 employees across 5 continents, including North AmericaEuropeAsia. Key team members include Chief Revenue Officer: M. C.Vp Of Revenue Operations: R. L.Vice President Of Revenue Operations: D. J.. Explore 3Si's employee directory with LeadIQ.

What industry does 3Si belong to?

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3Si operates in the Security and Investigations industry.

What technology does 3Si use?

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3Si's tech stack includes WSDLAngularD3.jsjQueryC#HTMLTailwind CSSAtlassian Confluence.

What is 3Si's email format?

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3Si's email format typically follows the pattern of First_Last@3sisecurity.com. Find more 3Si email formats with LeadIQ.

How much funding has 3Si raised to date?

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As of June 2026, 3Si has raised $13M in funding. The last funding round occurred on Jul 29, 2002 for $13M.

When was 3Si founded?

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3Si was founded in 1971.

3Si

Security and InvestigationsPennsylvania, United States201-500 Employees

Redefined Actionable Intelligence: With a fresh new look and a revolutionary purpose and mission, we are positioned to better serve our clients, partners, law enforcement, and communities with our cutting-edge technologies and real-world experience to deliver redefined actionable intelligence via an integrated platform that significantly impacts the bottom line – and, more importantly, lives. 

The Power of 3: At the core of the new 3Si is the Power of 3 — a comprehensive suite of solutions designed to deliver on the company’s promise of getting the Right Data to the Right People at the Right Time to contribute to a Safer World.

Section iconCompany Overview

Headquarters
101 Lindenwood Drive Suite 200 Malvern, Pennsylvania 19355 United States
Phone number
Stock Symbol
3SIN.L
NAICS Code
5616 - Investigation and Security Services
Founded
1971
Employees
201-500

Section iconFunding & Financials

  • $13M

    3Si has raised a total of $13M of funding over 1 rounds. Their latest funding round was raised on Jul 29, 2002 in the amount of $13M.

  • $50M$100M

    3Si's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $13M

    3Si has raised a total of $13M of funding over 1 rounds. Their latest funding round was raised on Jul 29, 2002 in the amount of $13M.

  • $50M$100M

    3Si's revenue is estimated to be in the range of $50M$100M

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