Insights

Integrated Data 3Si offers an integrated platform delivering actionable intelligence to law enforcement and partners, presenting a sales opportunity to upsell data integration services, analytics enhancements, and platform expansion to adjacent public safety agencies.

DirectToDispatch The DirectToDispatch solution delivers crime data straight to police dispatch, signaling a clear path to expand adoption within dispatch centers, plus potential cross-sell of monitoring, alerting, and verified video intelligence integrations.

Video Intelligence Recent partnerships with Netwatch and emphasis on verified video intelligence open opportunities to bundle video analytics, AI-driven threat detection, and cloud/video data management for broader security networks and cross-agency deployments.

Leadership Growth Strategic leadership appointments in sales and law enforcement divisions indicate a focus on scaling sales capability and government/public sector relationships, suggesting targeted outreach to regional police departments, federal/security agencies, and procurement teams.

Financial Leverage Mid-market revenue range with a solid funding footprint suggests readiness for expanded contracts and phased deployments; opportunities exist to propose scalable pricing, managed services, and renewal of existing monitoring partnerships.

Similar companies to 3Si

3Si Tech Stack

3Si uses 8 technology products and services including Microsoft SharePoint, WordPress, Jenkins, and more. Explore 3Si's tech stack below.

Media & News

3Si's Email Address Formats

3Si uses at least 4 email formats:
3Si Email FormatsExamplePercentage
First_Last@3sisecurity.comJohn_Doe@3sisecurity.com
83%
FLast@3sisecurity.comJDoe@3sisecurity.com
14%
First@3sisecurity.comJohn@3sisecurity.com
2%
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 LinkedIn and Crunchbase.

How much revenue does 3Si generate?

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As of August 2026, 3Si's annual revenue is estimated to be $50M - $100M.

What is 3Si's SIC code and NAICS code?

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

How many employees does 3Si have currently?

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As of August 2026, 3Si has approximately 337 employees across 5 continents, including North America, Europe and Asia. Key team members include Chief Revenue Officer: M. C., Vice President Sales - Us Financial, Canada And International Markets: D. A. and 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 SharePoint, WordPress, Jenkins, Microsoft SQL Server, PostgreSQL, Microsoft Active Directory, Smartsheet and Atlassian 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 August 2026, 3Si has raised $13M in funding. The last funding round occurred on Aug 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 Aug 29, 2002 in the amount of $13M as a Venture Round.

  • $50M - $100M

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

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