Insights

Security Services Value Capital Security & Investigations offers a broad suite of investigative and protective services including private investigation, surveillance, background checks, civil process service, executive protection, and security guard contracting, presenting multiple cross-sell opportunities to insurance companies, law firms, and corporate clients seeking comprehensive risk management.

Productization Opportunity The company carries a unique line of security products for families, homes, and businesses that have been field tested by CSI investigators, providing a potential entry point to upsell bundled security solutions to enterprise clients and institutions prioritizing risk mitigation and safety monitoring.

Tech Enablement CSI’s tech stack including AWS, WordPress, OpenResty, and data-oriented practices suggests capabilities for scalable case management, secure client portals, and digital marketing acceleration to reach insurance carriers, law firms, and corporate security teams.

Client Fit & Scale With 51-200 employees and revenues in the 1M to 10M range, CSI sits between small firms and large MSPs, presenting a middle-market target where the company can expand contract security, loss prevention, and executive protection services to mid-market organizations seeking cost-effective security services.

Growth Signals Revenue scale and ongoing service diversification, plus emphasis on confidential case analyses and strategic protection, indicate opportunities to partner on managed security services, incident response, and enterprise risk assessment programs for insurers, legal firms, and corporate clients facing increasing security threats.

Similar companies to Capital Security & Investigations

Capital Security & Investigations Tech Stack

Capital Security & Investigations uses 8 technology products and services including Amazon Web Services, WordPress, MySQL, and more. Explore Capital Security & Investigations's tech stack below.

  • Amazon Web Services
    Cloud Hosting
  • WordPress
    Content Management System
  • MySQL
    Database
  • Microsoft 365
    Email
  • yepnope.js
    Javascript Frameworks
  • SWFObject
    Miscellaneous
  • Apache
    Web Servers
  • OpenResty
    Web Servers

Capital Security & Investigations's Email Address Formats

Capital Security & Investigations uses at least 1 format(s):
Capital Security & Investigations Email FormatsExamplePercentage
FLast@capitalsi.comJDoe@capitalsi.com
77%
First.Last@capitalsi.comJohn.Doe@capitalsi.com
23%

Frequently Asked Questions

What is Capital Security & Investigations's phone number?

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You can contact Capital Security & Investigations'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 Capital Security & Investigations's official website and social media links?

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Capital Security & Investigations's official website is capitalsi.com and has social profiles on LinkedIn.

How much revenue does Capital Security & Investigations generate?

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As of July 2026, Capital Security & Investigations's annual revenue is estimated to be $1M - $10M.

What is Capital Security & Investigations's SIC code NAICS code?

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Capital Security & Investigations's SIC code is 4899 - Communications Services, Not Elsewhere Classified NAICS code is 5616 - Investigation and Security Services.

How many employees does Capital Security & Investigations have currently?

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As of July 2026, Capital Security & Investigations has approximately 82 employees across 2 continents, including North AmericaEurope. Key team members include Owner: B. W.Securityguard: N. S.Security Guard: S. P.. Explore Capital Security & Investigations's employee directory with LeadIQ.

What industry does Capital Security & Investigations belong to?

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Capital Security & Investigations operates in the Security and Investigations industry.

What technology does Capital Security & Investigations use?

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Capital Security & Investigations's tech stack includes Amazon Web ServicesWordPressMySQLMicrosoft 365yepnope.jsSWFObjectApacheOpenResty.

What is Capital Security & Investigations's email format?

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Capital Security & Investigations's email format typically follows the pattern of FLast@capitalsi.com. Find more Capital Security & Investigations email formats with LeadIQ.

When was Capital Security & Investigations founded?

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Capital Security & Investigations was founded in 1998.
Capital Security & Investigations logo

Capital Security & Investigations

Security and InvestigationsIllinois, United States51-200 Employees

Capital Security & Investigations operates in the security and investigations sector, offering services that include private investigation, surveillance, background checks, civil process service, executive protection, loss prevention, and security guard contracting. Its client base spans insurance companies, law firms, individuals, and organizations of various sizes, with a focus on providing thorough information and discrete investigative support to help manage potential threats and protect assets. Based in Roselle, Illinois, the company has been established since 1998 and maintains a regional footprint that serves a diverse set of security needs for both families and businesses. In addition to services, Capital Security & Investigations markets a line of security products intended for homes and businesses, with an emphasis on monitoring capabilities that have been field tested by its investigators. The firm positions itself as a resource for accurate information to inform decision-making in uncertain circumstances, and has a history of offering confidential case analyses to prospective clients.

Section iconCompany Overview

Phone number
SIC Code
4899 - Communications Services, Not Elsewhere Classified
NAICS Code
5616 - Investigation and Security Services
Founded
1998
Employees
51-200

Section iconFunding & Financials

  • $1M - $10M

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

Section iconFunding & Financials

  • $1M - $10M

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

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