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Insights

Growth and tech enablement S3 Security positions itself as a tech-enabled security services provider with venture-backed growth. This suggests opportunities to upsell integrated technology layers (video surveillance, reporting, mobile on-site services) to existing commercial and real estate clients seeking scalable security solutions.

Mid-market focus Revenue range and employee count indicate a mid-market profile. Target similar real estate and commercial portfolios that require scalable security services, leveraging S3’s blend of on-site and tech-enabled offerings as a differentiator from traditional providers.

Tech stack leverage Current tech stack includes iCIMS, Zoho, Google Workspace, Azure AD, AD, Cisco and analytics tools. This enables a data-driven sales approach and potential upsell of enhanced reporting, integration with clients’ IT ecosystems, and managed security operations centers.

VC-backed growth signals Venture capital backing implies a focus on rapid expansion and product/process enhancements. Sales opportunities exist in offering scalable contracts, pilot programs, and fast onboarding for new customers looking to modernize security postures.

Competitive positioning As a tech-enabled layer in a field dominated by large incumbents, S3 can differentiate on modern reporting, mobile services, and integrated surveillance. Highlight capability to replace or augment gaps left by traditional integrators for real estate portfolios seeking next-gen security.

Similar companies to S3 Security

S3 Security Tech Stack

S3 Security uses 8 technology products and services including iCIMS, WordPress, Zoho, and more. Explore S3 Security's tech stack below.

S3 Security's Email Address Formats

S3 Security uses at least 3 email formats:
S3 Security Email FormatsExamplePercentage
FLast@sthreesecurity.comJDoe@sthreesecurity.com
88%
First.Last@sthreesecurity.comJohn.Doe@sthreesecurity.com
6%
First@sthreesecurity.comJohn@sthreesecurity.com
6%

Frequently Asked Questions

What is S3 Security's phone number?

Minus sign iconPlus sign icon You can contact S3 Security's main corporate office by phone at
+1-866-305-****
. 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 S3 Security's official website and social media links?

Minus sign iconPlus sign iconS3 Security's official website is sthreesecurity.com and has social profiles on LinkedIn.

How much revenue does S3 Security generate?

Minus sign iconPlus sign icon As of August 2026, S3 Security's annual revenue is estimated to be $1M - $10M.

What is S3 Security's SIC code and NAICS code?

Minus sign iconPlus sign iconS3 Security's SIC code is 7381 - Detective, Guard, and Armored Car Services and NAICS code is 5616 - Investigation and Security Services.

How many employees does S3 Security have currently?

Minus sign iconPlus sign iconAs of August 2026, S3 Security has approximately 81 employees across 2 continents, including North America and Europe. Key team members include Corporate Controller: H. T., Manager, Operations: J. D. and General Manager: S. O. Explore S3 Security's employee directory with LeadIQ.

What industry does S3 Security belong to?

Minus sign iconPlus sign iconS3 Security operates in the Security and Investigations industry.

What technology does S3 Security use?

Minus sign iconPlus sign iconS3 Security's tech stack includes iCIMS, WordPress, Zoho, Google Workspace, Azure Active Directory, Microsoft Active Directory, Cisco and Piwik PRO Core.

What is S3 Security's email format?

Minus sign iconPlus sign iconS3 Security's email format typically follows the pattern of FLast@sthreesecurity.com. Find more S3 Security email formats with LeadIQ.

When was S3 Security founded?

Minus sign iconPlus sign iconS3 Security was founded in 2011.
S3 Security logo

S3 Security

Security and InvestigationsFlorida, United States51-200 Employees

S3 Security is a growth-stage company operating in the security and investigations sector, focused on integrating video surveillance, mobile services, on-site services, and advanced reporting processes to create safer environments for its commercial and real estate clients. Based in Jacksonville, Florida, the firm positions itself as a tech-enabled provider that combines traditional security offerings with modern, data-driven capabilities to meet the needs of customers seeking reliable security outcomes. The company serves commercial and real estate customers, aiming to deliver comprehensive security solutions that enhance safety and oversight across properties. As a venture-backed enterprise, S3 Security emphasizes a merit-based culture and rapid growth in a market that includes large, established competitors, with an emphasis on delivering integrated services in a rapidly evolving security landscape.

Section iconCompany Overview

Phone number
+1-866-305-****
Website
sthreesecurity.com
SIC Code
7381 - Detective, Guard, and Armored Car Services
NAICS Code
5616 - Investigation and Security Services
Founded
2011
Employees
51-200

Section iconFunding & Financials

  • $1M - $10M

    S3 Security's revenue is estimated to be in the range of $1M - $10M

Company Leadership

  • Corporate Controller at S3 Security
    H. T.
    Corporate Controller
    Mobile Phone
  • Manager, Operations at S3 Security
    J. D.
    Manager, Operations
    Mobile Phone
  • General Manager at S3 Security
    S. O.
    General Manager
    Mobile Phone
  • Account Executive at S3 Security
    A. P. O. R.
    Account Executive
    Mobile Phone
  • Security Officer at S3 Security
    K. D.
    Security Officer
    Mobile Phone

Employee Directory

  • Security Officer at S3 Security
    P. D.
    Security Officer
    Mobile Phone
  • Armed Security Enforcement Officer at S3 Security
    R. B.
    Armed Security Enforcement Officer
    Mobile Phone
  • Security Officer at S3 Security
    E. D.
    Security Officer
    Mobile Phone
  • Armed Patrol Officer at S3 Security
    L. W.
    Armed Patrol Officer
    Mobile Phone

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