Insights

Targeted security services Mid-sized security and investigations firm with a diversified service portfolio including private investigation, surveillance, background checks, civil process service, executive protection, and loss prevention presents cross-selling opportunities to insurers, law firms, and corporate clients seeking comprehensive risk management.

Technology and integration Tech stack includes AWS, WordPress, Microsoft 365, OpenResty, and PHP, indicating potential for offering advanced security tech solutions, secure data handling, case management integrations, and cloud-based workflows to streamline investigations and protect client data.

Product extension Exclusive security products for families, homes, and businesses designed by CSI investigators suggest upsell potential to existing corporate or insured clients seeking monitoring and protective solutions beyond traditional services.

Financial foothold Revenue in the range of $1M–$10M and a lean employee base (51–200) position CSI as a scalable target for security technology vendors, service automation, and risk analytics partnerships aimed at growing market share in mid-market accounts.

Market positioning Competitive landscape with large players (Kroll, G4S, Allied Universal) highlights a growth opportunity in niche, discreet investigations and specialized loss prevention services for insurers and law firms, where CSI’s confidentiality and discretion can be leveraged in outreach and proposals.

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, Microsoft 365, and more. Explore Capital Security & Investigations's tech stack below.

Capital Security & Investigations's Email Address Formats

Capital Security & Investigations uses at least 2 email formats:
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 September 2026, Capital Security & Investigations's annual revenue is estimated to be $1M - $10M.

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

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

How many employees does Capital Security & Investigations have currently?

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As of September 2026, Capital Security & Investigations has approximately 83 employees across 2 continents, including North America and Europe. Key team members include Owner: B. W., Securityguard: N. S. and Private Investigator/Digital Forensic Examiner: T. B. 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 Services, WordPress, Microsoft 365, jQuery, Trustpilot, PHP, OpenResty and prettyPhoto.

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

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