Insights

Market Leadership Kastle Systems is recognized as a top provider in physical security, ranking in the Top 10 of the 2025 SDM 100 and named the #1 physical security provider in G2's Spring 2025 Reports, indicating strong market positioning and a trusted brand that can attract enterprise clients seeking reliable security solutions.

Innovative Technology Adoption Recent launch of Aliro 1.0 credentials across mobile wallets demonstrates Kastle’s commitment to cutting-edge access control technology, offering sales opportunities with organizations interested in mobile-first security solutions and advanced digital credentials.

Strategic Industry Focus Kastle’s significant investment in high-security industry companies like i2G Systems, along with its strong partnerships such as CapitalShield with the Washington D.C. Metropolitan Police, position it well to serve government agencies, municipalities, and high-security enterprises.

Robust Revenue Base With estimated revenues between $500 million and $1 billion and a sizable workforce, Kastle has the financial capacity and scale to pursue large-scale security projects across commercial, residential, and governmental sectors, creating multiple opportunities for growth and upselling.

Customer Recognition Kastle’s numerous awards and high customer ratings from G2, including Highest User Adoption and Leader badges, suggest strong customer satisfaction, which can facilitate upselling and cross-selling to existing clients seeking expanded security solutions.

Kastle Systems Tech Stack

Kastle Systems uses 8 technology products and services including CookieYes, Salesforce, Angular, and more. Explore Kastle Systems's tech stack below.

  • CookieYes
    Cookie Compliance
  • Salesforce
    Customer Relationship Management
  • Angular
    Javascript Frameworks
  • particles.js
    Javascript Graphics
  • jQuery
    Javascript Libraries
  • Swiper
    Javascript Libraries
  • macOS
    Operating Systems & Computing Languages
  • Bitbucket
    Source Code Management

Media & News

Kastle Systems's Email Address Formats

Kastle Systems uses at least 1 format(s):
Kastle Systems Email FormatsExamplePercentage
FLast@kastle.comJDoe@kastle.com
70%
First.Last@kastle.comJohn.Doe@kastle.com
27%
First@kastle.comJohn@kastle.com
2%
Last.First@kastle.comDoe.John@kastle.com
1%

Frequently Asked Questions

Where is Kastle Systems's headquarters located?

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Kastle Systems's main headquarters is located at 6402 Arlington Boulevard Falls Church, Virginia 22042 United States. The company has employees across 5 continents, including North AmericaOceaniaAsia.

What is Kastle Systems's phone number?

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You can contact Kastle Systems'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 Kastle Systems's official website and social media links?

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Kastle Systems's official website is kastle.com and has social profiles on LinkedIn.

What is Kastle Systems's SIC code NAICS code?

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Kastle Systems's SIC code is 7381 - Detective, Guard, and Armored Car Services NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Kastle Systems have currently?

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As of April 2026, Kastle Systems has approximately 704 employees across 5 continents, including North AmericaOceaniaAsia. Key team members include Cfo: R. M.Chief Integration Officer: C. P.Chief Operating Officer: S. S.. Explore Kastle Systems's employee directory with LeadIQ.

What industry does Kastle Systems belong to?

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Kastle Systems operates in the IT Services and IT Consulting industry.

What technology does Kastle Systems use?

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Kastle Systems's tech stack includes CookieYesSalesforceAngularparticles.jsjQuerySwipermacOSBitbucket.

What is Kastle Systems's email format?

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Kastle Systems's email format typically follows the pattern of FLast@kastle.com. Find more Kastle Systems email formats with LeadIQ.

When was Kastle Systems founded?

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Kastle Systems was founded in 1972.

Kastle Systems

IT Services and IT ConsultingVirginia, United States501-1000 Employees

Kastle is a leading provider of property technology solutions, protecting commercial real estate, multi-family residential, global enterprises, educational institutions and critical government facilities. Every day, tens of thousands of businesses use Kastle’s state-of-the-art access control, video surveillance, visitor management and identity management technology solutions to enable a smarter built environment. 

Kastle is committed to building a distinctive workplace where great talent can thrive both professionally and personally.  By making employee well-being a top priority, Kastle has been recognized with multiple awards, including Energage 2021 Top Workplaces and a Culture Excellence Award for Diversity, Equity and Inclusion Practices.  

For more on Kastle, visit kastle.com

Section iconCompany Overview

Headquarters
6402 Arlington Boulevard Falls Church, Virginia 22042 United States
Phone number
Website
kastle.com
SIC Code
7381 - Detective, Guard, and Armored Car Services
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1972
Employees
501-1000

Section iconFunding & Financials

  • $500M$1B

    Kastle Systems's revenue is estimated to be in the range of $500M$1B

Section iconFunding & Financials

  • $500M$1B

    Kastle Systems's revenue is estimated to be in the range of $500M$1B

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