Insights

Integrated Intelligence 3Si highlights an integrated platform delivering actionable intelligence to law enforcement and partners, presenting an opportunity to upsell complementary data analytics, monitoring, and dispatch solutions to agencies seeking streamlined incident response.

DirectToDispatch Opportunity The launch of DirectToDispatch and its integration with police dispatch workflows signals a potential for expanded sales into public safety dispatch centers and regional agencies seeking faster, data-driven incident coordination.

Video Intelligence Tie‑In Partnerships like Netwatch integration indicate demand for verified video intelligence. This opens a path to cross‑sell advanced video analytics, surveillance feeds, and managed monitoring services to security organizations and municipal clients.

Leadership Momentum Recent leadership appointments and board engagement suggest strategic focus and growth appetite, providing a favorable environment for pursuing enterprise deals, channel partnerships, and regional expansion with larger security integrators.

Financial Growth Signals Revenue scale and recent funding indicate a mid‑market security tech company poised for expansion; opportunities exist to present scalable cloud or platform subscriptions, compliance, and training services to broaden recurring revenue with existing customer bases and partners.

3Si Tech Stack

3Si uses 8 technology products and services including Microsoft Active Directory, Lazy.js, React, and more. Explore 3Si's tech stack below.

  • Microsoft Active Directory
    Identity And Access Management
  • Lazy.js
    Javascript Frameworks
  • React
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • .NET
    Programming Languages
  • Android
    Programming Languages
  • Bootstrap
    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

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 SIC code NAICS code?

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3Si's SIC code is 7381 - Detective, Guard, and Armored Car Services NAICS code is 5616 - Investigation and Security Services.

How many employees does 3Si have currently?

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As of July 2026, 3Si has approximately 337 employees across 5 continents, including North AmericaEuropeAsia. Key team members include Chief Revenue Officer: M. C.Vice President Sales - Us Financial, Canada And International Markets: D. A.Sr. Vice President, Human Resources: E. W.. 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 Microsoft Active DirectoryLazy.jsReactjQuery.NETAndroidBootstrapAtlassian 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 July 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 logo

3Si

Security and InvestigationsPennsylvania, United States201-500 Employees

3Si is a security and investigations company based in Malvern, Pennsylvania, serving clients that include law enforcement, partners, and local communities. It operates an integrated platform designed to deliver timely, relevant data to the right people at the right time to support safer and more effective responses. A central element of the company's approach is the Power of 3, a framework that aims to turn data into actionable intelligence with real-world impact. The company's offerings target law enforcement and security partnerships, helping them improve incident response and community safety. In August 2025, 3Si launched DirectToDispatch, a capability that delivers critical crime data directly to police dispatch for safer responses. The approach combines practical field experience with advanced technologies to support safer communities.

Section iconCompany Overview

Phone number
SIC Code
7381 - Detective, Guard, and Armored Car Services
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 $13Mas a series_unknown.

  • $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 $13Mas a series_unknown.

  • $50M$100M

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

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