Insights

Security services Mid-size regional provider with 11-50 employees and annual revenue in the low to mid seven figures presents an opportunity to upsell scalable security and automation packages to small businesses and homes in Southern New Jersey, including video surveillance, access control, and 24/7 monitoring.

Comprehensive offerings End-to-end solutions spanning burglar and fire alarms, video surveillance, 24-hour monitoring, port surveillance, and access control allow cross-sell across existing installations and higher-margin managed services for commercial clients.

Local trust Longstanding presence since 1986 and focus on personalized, user-friendly service positions GCSI as a trusted partner for SMBs seeking reliable security ecosystems, enabling value-based selling around reliability, service quality, and local support.

Tech stack Utilization of cloud and web technologies (WordPress, Cloudflare CDN, WP Engine) suggests readiness for digital engagement, customer portals, and potentially remote management integrations to enhance service delivery and data-driven upsell opportunities.

Growth signals Revenue range indicates growth potential; combined with TWIC certification and focus on both residential and commercial markets, there is a pathway to expand into larger commercial projects, government or port-related security contracts and managed monitoring services.

GCSI Security Group Tech Stack

GCSI Security Group uses 8 technology products and services including Cloudflare, MySQL, Lodash, and more. Explore GCSI Security Group's tech stack below.

  • Cloudflare
    Content Management System
  • MySQL
    Database
  • Lodash
    Javascript Libraries
  • WP Engine
    Platform As A Service
  • Java
    Programming Languages
  • HTTP/3
    Web & Portal Technology
  • Extendify
    Web Platform Extensions
  • Apache HTTP Server
    Web Servers

GCSI Security Group's Email Address Formats

GCSI Security Group uses at least 1 format(s):
GCSI Security Group Email FormatsExamplePercentage
FLast@gcsi-nj.comJDoe@gcsi-nj.com
78%
First.Last@gcsi-nj.comJohn.Doe@gcsi-nj.com
11%
FiLast@gcsi-nj.comJoDoe@gcsi-nj.com
11%

Frequently Asked Questions

What is GCSI Security Group's phone number?

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You can contact GCSI Security Group'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 GCSI Security Group's official website and social media links?

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GCSI Security Group's official website is gcsi-nj.com and has social profiles on LinkedIn.

How much revenue does GCSI Security Group generate?

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As of August 2026, GCSI Security Group's annual revenue is estimated to be $1M - $10M.

What is GCSI Security Group's SIC code NAICS code?

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GCSI Security Group's SIC code is 7381 - Detective, Guard, and Armored Car Services NAICS code is 81 - Other Services (except Public Administration).

How many employees does GCSI Security Group have currently?

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As of August 2026, GCSI Security Group has approximately 15 employees across 2 continents, including North AmericaSouth America. Key team members include Owner: R. J.Project Manager / Tech: B. R.Security Consultant: M. M.. Explore GCSI Security Group's employee directory with LeadIQ.

What industry does GCSI Security Group belong to?

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GCSI Security Group operates in the Consumer Services industry.

What technology does GCSI Security Group use?

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GCSI Security Group's tech stack includes CloudflareMySQLLodashWP EngineJavaHTTP/3ExtendifyApache HTTP Server.

What is GCSI Security Group's email format?

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GCSI Security Group's email format typically follows the pattern of FLast@gcsi-nj.com. Find more GCSI Security Group email formats with LeadIQ.

When was GCSI Security Group founded?

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GCSI Security Group was founded in 1986.
GCSI Security Group logo

GCSI Security Group

Consumer ServicesNew Jersey, United States11-50 Employees

GCSI Security Group provides security and fire systems for homes and businesses in the greater Southern New Jersey area. Established in 1986, the company emphasizes installation quality, professional service, and integrity, offering customized solutions designed to fit various needs and budgets. Its offerings include burglar and fire alarms, video surveillance, access control, port surveillance, and 24-hour central station monitoring, with installation, sales, and service across major brands. The business targets residential and commercial customers seeking reliable security and fire protection, aiming to combine technology benefits with user-friendly, personalized support.

Based in Williamstown, New Jersey, the firm positions itself within the consumer services sector, delivering integrated security infrastructures through a local team backed by TWIC certification. The scope encompasses comprehensive protection capabilities, from monitoring to surveillance and access management, catering to clients requiring dependable protection for both homes and commercial properties.

Section iconCompany Overview

Phone number
SIC Code
7381 - Detective, Guard, and Armored Car Services
NAICS Code
81 - Other Services (except Public Administration)
Founded
1986
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

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

Section iconFunding & Financials

  • $1M - $10M

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

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