Urban construction (Birmingham)
Intelligent Security. Driven by Smart Technology.
Sena Group delivers rapid-deployment CCTV and smart security solutions for construction, infrastructure, vacant property and events. Our systems combine AI-powered detection, flexible power options and 24/7 UK monitoring to protect sites quickly, reliably and without fixed infrastructure.
Helping projects cut emissions on the path to net zeroA better way to see what’s happening on site
Traditional security is reactive. Sena is built for real-time visibility.
Our towers combine panoramic HD imaging, smart analytics, and remote monitoring to help teams respond faster, reduce downtime, and keep projects running—especially in remote, high-risk, or constantly changing environments.
Detect
With AI motion analytics and smart sensors.
Verify
Via live video review in our RVRC.
Respond
With audio challenge and keyholder notifications
Fewer
False alarms. Faster outcomes. Full audit trail.
Built for modern infrastructure
Whether it’s a remote compound, a city-centre build, or a vacant asset portfolio— Sena adapts to the site, the timeline, and the risk profile.
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Renewable-first deployments
80–95%
Of tower runtime powered by renewables (site dependent)
Generator replacement
Up to 1,000+
Generator-hours avoided per deployment cycle
Lower carbon footprint
Up to 60–85%
Reduction vs diesel-powered site security setups (site dependent)
The Sentri Product Range
Ideal for [Sector]
SentriSolar
Pure solar-powered performance for off-grid sites—engineered for rapid deployment.
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Ideal for [Sector]
SentriHybrid
Solar + wind resilience for exposed locations where uptime matters.
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Ideal for [Sector]
SentriMains
Plug-and-play capability when power is available—fast, clean installation.
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SentriCell
Fuel-cell reliability for long-term, critical deployments—designed to minimise downtime.
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Ideal for [Sector]
SentriPods
Compact, flexible units for targeted coverage, entrances, and pop-up risk areas.
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Our Testimonials
What our happy clients are saying
We needed coverage quickly with no mains power available. Sena deployed a solution in days, tuned the detection to our layout, and the monitoring workflow was straightforward. It gave us confidence the site was protected without constant callouts.
Senior Project Manager, Construction
Clear footage, strong deterrence, and a service team that actually follows through.
Facilities Manager, Commercial Property
The towers gave us instant visibility across the compound without any cabling or disruption.
Operations Manager, Rail
We needed coverage quickly with no mains power available. Sena deployed a solution in days, tuned the detection to our layout, and the monitoring workflow was straightforward. It gave us confidence the site was protected without constant callouts.
Senior Project Manager, Construction
Who we work with
Sector-ready site intelligence
Every sector has different risks, timelines, and constraints. Our towers and monitoring are configured to match—delivering reliable visibility without the infrastructure.
Rail
Rapid-deploy monitoring for compounds and worksites—off-grid power, smart detection, verified response.
Construction
Flexible coverage that moves with the build—fast setup, fewer false alarms, real-time visibility.
Utilities & Infrastructure
Resilient site intelligence for critical assets—built for remote locations, uptime, and rapid escalation.
Vacant Properties
Always-on protection for empty assets—deterrence, clear evidence, and 24/7 verification without permanent install.
Events
Temporary monitoring that scales—quick deployment, perimeter coverage, and live oversight when it matters.
Traffic & Highways
Portable towers for road schemes and compounds—clear visibility, safer operations, faster incident response.
RVRC Monitoring
24/7 live video verification—turning alerts into action with fewer false alarms.
Real-world deployments
See how Sentri performs on live sites—rapid deployment,smarter detection, and verified response.
Frequently Asked Questions
What is a rapid-deploy CCTV tower?
A rapid-deploy CCTV tower is a portable, self-contained surveillance system designed for temporary or changing sites. It typically includes cameras, smart detection, connectivity, and remote monitoring—without needing permanent installation.
How quickly can a CCTV tower be installed?
Do your CCTV towers work without mains power?
What’s the difference between monitored and unmonitored CCTV?
Do you use AI detection?
What happens when the system detects activity?
