Defmark Security Maintenance Blue Swoosh Logo

Protection. Precision. Peace of Mind.

Defmark Security Maintenance delivers professional private security and expert maintenance & construction services—24/7 reliability, one trusted partner.

Our Services

Professional security and maintenance solutions designed to protect and maintain your property with precision and reliability.

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Private Security

Uniformed guarding, patrols and monitoring tailored to your site risk profile, with trained personnel and clear response procedures—day or night.

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Mobile Locksmith Services

Rapid response lockouts, lock repairs and hardware upgrades. Professional, damage-minimizing entry with full documentation.

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Car Key Programming Services

Transponder and remote key programming, cloning and ECU syncing for most brands. Secure, compliant ID checks.

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Maintenance Services

Reliable reactive and scheduled maintenance—electrical, plumbing, painting, drywall and small-works—completed safely and on time.

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Key Cutting Services

Accurate cutting for residential, commercial and selected high-security blanks. Onsite duplication available.

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Technical Services

Specialist installations and repairs including electrical fencing and supply & installation of gate motors for residential and commercial clients.

About DSM

Defmark Security Maintenance (DSM) combines private security with skilled maintenance & construction, giving clients a single, accountable provider. Our vetted teams follow documented SOPs with clear SLAs and transparent reporting.

Operating throughout South Africa, we pride ourselves on professionalism, compliance, and comprehensive insurance coverage. Our integrated approach ensures seamless coordination between security operations and maintenance activities.

Service Coverage

Proudly serving clients across South Africa with comprehensive security and maintenance solutions, backed by local expertise and national coverage capabilities.

24/7 Dispatch

Round-the-clock availability for emergency response and scheduled services

Rapid Response SLAs

Guaranteed response times with clear service level agreements

Vetted Personnel

All technicians and guards undergo thorough background checks and training

Integrated Services

Comprehensive security and maintenance from a single trusted provider

Available 24/7
PSIRA-Aligned Operations
Fully Insured

Get in Touch

Ready to secure and maintain your property? Contact us for a free consultation and quote.

Request a Quote