Guardian Security Agency

What Guardian Security Agency does

Guardian Security Agency is a California-licensed private security services firm headquartered in Concord, CA, operating as a division of Delta Personnel Services, Inc. since its founding in 1992. The company delivers manned guarding plus technology-enabled security solutions to commercial properties, residential communities (gated communities, HOAs, apartment complexes, marinas), construction sites, factories and industrial facilities, hotels, schools, and government and retail properties. Core offerings include 24/7 onsite security officers, randomized mobile patrol with GPS tracking, access control systems, and solar-powered mobile surveillance trailers equipped with AI-assisted video analytics, two-way audio, strobe/siren deterrence, and live monitoring with dispatchable guard response.

The business model is sales-led and quote-based, with multi-year contracts and recurring revenue across onsite guarding, mobile patrol (managed services), surveillance-as-a-service, and professional services for risk assessment and security consultation. Pricing is not publicly disclosed and is tailored per property, coverage scope, and contract duration. Distribution is direct, via 24/7 phone (local and toll-free), website contact forms, and in-person consultations at the Concord office, with no channel partners or resellers. Marketing relies on SEO-optimized service-area and blog pages, a newsletter signup, and client referrals, with no paid or social media advertising disclosed.

The company is family-owned and operated by the Travers family, with David J. Travers (President, former Reserve Deputy Sheriff) leading operations, Judith Travers as CEO, and Heather Travers Perry as Executive Vice President & Operations Manager. Guardian is a founding member of CALSAGA with Board representation, holds California PPO License #11106, and maintains a dedicated Training & Quality Assurance Coordinator to enforce a 40-hour officer training standard. The service area is concentrated in Contra Costa County and the East Bay across approximately a dozen cities. Headcount is reported at 101-250, and there are no disclosed funding rounds, acquisitions, or external institutional investors.

Name

Guardian Security Agency

Legal name

Delta Personnel Services, Inc.

Website

https://guardiansecurityagency.com

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

101–250 employees

Short description

Guardian Security Agency is a California-licensed, family-owned contract security firm based in Concord, CA, providing 24/7 onsite guards, mobile patrol, and AI-assisted mobile surveillance to commercial, residential, construction, industrial, hospitality, and education clients across Contra Costa County and the East Bay.

Ownership category

akta.pro rank

Product category

Private Security Services

NAICS

Security Guards and Patrol Services (561612), Investigation, Guard, and Armored Car Services (56161), Security Systems Services (except Locksmiths) (561621)

SIC

Services-Detective, Guard & Armored Car Services (7381)

akta.pro primary industry

Manned Guarding & Patrol Services (IMAIAEAA)

akta.pro secondary industries

Mobile Patrol & Alarm Response (BPAKAAAB), Residential & Community Guarding (HOAs, Gated Communities) (BPAKAAAE), Remote Video Guarding / Virtual Patrol (Guard + CCTV) (BPAKAAAL)

Keywords

• Security guard services
• Mobile patrol security
• Construction site security
• Commercial property security
• Residential security patrol

Headquarters

HQ city

Concord

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Onsite Security Services: Professional security officers stationed at client properties providing continuous surveillance, access control, and threat response. Services include 24/7 onsite security patrol, emergency response, and risk assessment.
2. Mobile Patrol Services: Security officers conducting randomized patrol routes covering multiple properties or zones. Cost-effective alternative to static guards with irregular intervals preventing criminal pattern recognition.
3. Security Camera/Surveillance Systems: Deployment of solar-powered mobile surveillance trailers and pole-mounted systems with monitoring services. Includes installation, commissioning, live video monitoring, and guard response dispatch.
4. Security Consultation and Risk Assessment: Personalized security strategies based on detailed risk assessments of client properties. Includes security planning and tailored solutions.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Guardian Security Agency provides trained, uniformed security officers for onsite and mobile patrol protection of commercial properties, residential communities, construction sites, factories, hotels, and schools. Services include 24/7 guarding, randomized mobile patrols, solar-powered mobile surveillance trailers with AI-assisted video analytics, access control systems, and risk assessment consultation. The company is a division of Delta Personnel Services, Inc., operating since 1992 across Contra Costa County and the East Bay area of California.

Product overview

Guardian Security Agency is a division of Delta Personnel Services, Inc., providing a comprehensive suite of security services since 1992. The company's offerings include onsite security services for commercial properties, residential security and patrol, construction site security, factory security, hotel security, and mobile surveillance camera systems (solar-powered trailers with smart video analytics). They also provide mobile patrol services and remote guarding. The core offering consists of trained security officers providing physical presence and patrol services, complemented by technology-enabled solutions like their mobile surveillance trailers with AI-assisted video analytics and live monitoring capabilities. All services are tailored through risk assessment and security consultation to meet each client's specific requirements.

Differentiator

Problem solved

Functional benefit

Products and services

• Onsite Security Services for Commercial Property Provides 24/7 onsite security patrol, advanced surveillance systems, emergency response services, and risk assessment consultation for commercial properties such as office buildings, shopping centers, automobile dealerships, parking lots, government buildings, banks, industrial parks, and motels.
• Residential Security and Patrol Specialized residential security services including 24/7 onsite security patrol, advanced surveillance systems, emergency response, and risk assessment for gated communities, homeowners associations, apartment complexes, and marinas.
• Construction Site Security Services Comprehensive construction site security including 24/7 onsite patrol, surveillance camera installation and monitoring, access control management, and emergency response tailored to construction environments to protect equipment, materials, and site infrastructure.
• Factory Security Services Industrial and factory security solutions providing 24/7 onsite patrol, advanced surveillance systems, emergency response, and risk assessment consultation for manufacturing facilities, warehouses, and shipping/receiving docks.
• Hotel Security Services Professional hotel security services including 24/7 on-site security officers, advanced surveillance systems, and emergency response planning for hotels to ensure guest and staff safety and property protection.
• Security Camera Systems (Mobile Surveillance Trailers) Solar-powered, rapidly deployable mobile surveillance trailers featuring elevated multi-sensor cameras, smart video analytics with human/vehicle detection and loitering alerts, two-way audio, strobe/siren deterrence, and live monitoring with dispatchable guard response. Also includes pole-mounted surveillance systems for permanent installations.
• Mobile Patrol Services Randomized checkpoint security patrols providing comprehensive coverage, cost-effective protection for large properties, rapid response capabilities, and flexible scheduling with GPS-tracked accountability and irregular intervals preventing criminal pattern recognition.
• Remote Guarding Services 24/7 remote monitoring and surveillance services utilizing technology to provide continuous property protection and dispatchable guard response.
• Risk Assessment and Security Consultation Personalized security strategies and comprehensive risk assessments of client properties used to develop bespoke security plans based on specific needs and vulnerabilities.

Quantifiable outcome

• Reduced vandalism, graffiti, and burglaries (specific percentage not disclosed)
• +1 more outcomes

Named customers3 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• CALSAGA (California Association of Licensed Security Agencies, Guards and Associates)coreOthersGuardian Security Agency was one of the founding members of CALSAGA and is currently a member in good standing with admin personnel on the Board of Directors. The company adheres to the CALSAGA Code of Ethics including conducting business to heighten public awareness, adhering to laws, screening qualified applicants, and maintaining cooperative relationships with law enforcement officials.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• G4S (now part of Allied Universal): Global guarding and security solutions company serving commercial, residential, and industrial clients. Comparable service portfolio (manned guarding, patrol, integrated security technology) at significantly larger scale than Guardian.
• Securitas AB: Global security services incumbent offering uniformed guarding, mobile patrol, and remote guarding. Comparable product mix (especially its 'Securitas Protective Services' line) with national/regional branches across California, including the Bay Area.
• Allied Universal: Largest U.S. contract security guarding and facility services company. Directly comparable to Guardian across onsite guarding, mobile patrol, and surveillance, but operates at national scale with significantly larger workforce and geographic footprint.

Direct peers

• American Guard Services: Regional U.S. guarding firm providing uniformed officers, mobile patrol, and security technology for commercial, residential and industrial properties. Closely comparable service mix and customer segments to Guardian's.
• Star Protection Agency: California-licensed private patrol operator offering uniformed guards, mobile patrol, event security, and surveillance to commercial and residential clients - a direct head-to-head comparable to Guardian in market and offering.
• National Security Group (NSG): Mid-sized U.S. manned security provider covering commercial properties, residential communities, and construction sites. Comparable value proposition, customer profile, and recurring contract model to Guardian.

Emerging players

• Signal 88 Security: Franchised mobile patrol and security services brand with overlapping offerings (randomized patrol, surveillance cameras, alarm response) and emphasis on community/commercial security. A franchised analog to Guardian's mobile patrol line.
• Vector Security: U.S. provider of integrated security solutions including intrusion/CCTV/access control plus monitored guarding services. Comparable on the technology-enabled guarding and surveillance trailer side of Guardian's offering.

Regional players

• Cal State Protective Services: California-based security guard company serving Northern and Southern California with onsite guards, patrol, and event security - a direct geographic and offering peer within the same state licensing framework (PPO).

Others

• CALSAGA (California Association of Licensed Security Agencies, Guards and Associates): Industry trade association of which Guardian is a founding member. Not a competitor but a relevant adjacent/ecosystem peer providing membership, training, and lobbying context for California's licensed PPOs.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/GSApatrol
• LinkedInlinkedin.com/company/guardian-security-agency

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Guardian Security Agency