Manned Guarding
Well-presented, trained guarding teams for corporate facilities, estates, and high-traffic environments.
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Professional security for people, property, and critical operations.
Diamond Security Holdings provides manned guarding, mobile patrol, executive protection, and integrated electronic security for corporate and high-value environments across Nigeria.
Established in 2009
1,200+ trained personnel
Operations across 14 states
About the company
Security built on discipline, planning, and accountability
Built for complex corporate environments, Diamond Security Holdings combines trained personnel, command-centre visibility, mobile patrol discipline, and client-specific security planning to protect people, facilities, and reputation across Nigeria.
To deliver calm, credible, and accountable protection for modern organisations operating in high-visibility environments.
To become the benchmark for corporate private security in West Africa by combining operational discipline with modern security systems.
Services
See all servicesCore security services
From professional guarding to mobile response and executive protection, our services are tailored to each client environment.
Mobile Patrol and Response
Visible deterrence and scheduled patrols backed by fast escalation and route discipline.
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Executive Protection
Protective movement support for executives, delegations, and sensitive corporate travel.
View serviceWhy Diamond Security
Why organisations choose Diamond Security Holdings
Experienced personnel, clear procedures, accountable supervision, and modern systems working together.
Operational Discipline
Deployment models shaped by post orders, escalation pathways, and consistent supervisor oversight.
Technology-Backed Delivery
Electronic security and reporting systems that strengthen situational awareness and accountability.
Client-Facing Professionalism
Personnel selected for calm presence, sound judgement, and fit with premium brand environments.
Scalable Sector Coverage
Support for estates, banks, telecoms, hospitality, campuses, and critical commercial operations.
Electronic security
Better visibility across every site
We combine manpower with CCTV, monitoring, access control, communications, and reporting systems to improve site visibility and response readiness.
CCTV and surveillance operations
Access control and visitor management
Control room monitoring and response
Asset tracking and communications support
Integrated reporting for site leadership
Industries
View sectors servedSecurity designed for your operating environment
We adapt operating procedures, staffing models, and technology layers to the sensitivity of the sector, the public profile of the site, and the client’s reputation risk.
Banking
Front-of-house, ATM, branch, and executive movement support for regulated financial environments.
Oil and Gas
Protective planning for critical infrastructure, field movements, and specialist project sites.
Telecoms
Site and infrastructure security for distributed technical operations and customer-facing hubs.
Estates
Residential and mixed-use estate security with gatehouse control, patrols, and resident experience in mind.
Hotels
Guest-friendly but disciplined security for luxury hospitality and conference venues.
Schools
Campus security workflows focused on access, safeguarding, movement control, and reassurance.
Government
Formal, protocol-aware support for public institutions, receptions, and sensitive administrative environments.
Retail and Commercial
Protection for storefronts, office parks, and commercial clusters balancing deterrence with customer experience.
Operations
Open galleryDiamond Security teams in operation
A closer look at patrols, protective support, monitoring, and professional on-site deployment.
Request a quote
Let’s discuss your security requirements
Share the site type, locations, required coverage, and timing. We’ll use that to frame a practical security response model.
Phone
+234 800 000 0000
Email
contact@diamondsecurityholdings.example
Head Office
Victoria Island, Lagos