
24/7, SIA-Approved
Professional Security & K9 Units
Trusted by UK sites and brands across London & South Wales.



130K +
Customer Review
Recognized for Excellence in K9 Security Services!







24/7, SIA-Approved
Professional Security & K9 Units
Trusted by UK sites and brands across London & South Wales.



130K +
Customer Review
Recognized for Excellence in K9 Security Services!





Quick k9 security Service Book in 60 Seconds.

WHO WE ARE
Professional Security, Trusted Protection – 24/7
To deliver trusted, professional security solutions that protect people, property, and businesses with integrity and reliability.
SIA-Licensed Guards
24/7 Availability
Tailored Security Packages
K9 Dog Handler Units

WHO WE ARE
Professional Security, Trusted Protection – 24/7
To deliver trusted, professional security solutions that protect people, property, and businesses with integrity and reliability.
SIA-Licensed Guards
24/7 Availability
Tailored Security Packages
K9 Dog Handler Units

WHO WE ARE
Professional Security, Trusted Protection – 24/7
To deliver trusted, professional security solutions that protect people, property, and businesses with integrity and reliability.
SIA-Licensed Guards
24/7 Availability
Tailored Security Packages
K9 Dog Handler Units
0+
0+
0+
0+
0+
0+
Years of Experience
0%
0%
0%
0%
0%
0%
Customer Satisfaction Guarantee
0+
0+
0+
0+
0+
0+
Award-Winning Service
0
0
0
0
0
0
/
0
0
0
0
0
0
Emergency Security Services
Our Services
Our Services
Our Services
Comprehensive security solutions tailored to protect your assets, people, and operations across London and South Wales.
Comprehensive security solutions tailored to protect your assets, people, and operations across London and South Wales.
Comprehensive security solutions tailored to protect your assets, people, and operations across London and South Wales.

Dog Handler Units
Elite K9 security teams for maximum deterrent effect and detection capabilities. Explosive detection Drug detection Patrol and protection Licensed handlers

Dog Handler Units
Elite K9 security teams for maximum deterrent effect and detection capabilities. Explosive detection Drug detection Patrol and protection Licensed handlers

Dog Handler Units
Elite K9 security teams for maximum deterrent effect and detection capabilities. Explosive detection Drug detection Patrol and protection Licensed handlers

Static Security
Professional security guards for premises protection and access control. Access control CCTV monitoring Incident response SIA licensed officers

Static Security
Professional security guards for premises protection and access control. Access control CCTV monitoring Incident response SIA licensed officers

Static Security
Professional security guards for premises protection and access control. Access control CCTV monitoring Incident response SIA licensed officers

Mobile Patrols
Regular security patrols to maintain visible presence and rapid response. Scheduled patrols Random checks Key holding Alarm response

Mobile Patrols
Regular security patrols to maintain visible presence and rapid response. Scheduled patrols Random checks Key holding Alarm response

Mobile Patrols
Regular security patrols to maintain visible presence and rapid response. Scheduled patrols Random checks Key holding Alarm response

CCTV Monitoring
24/7 surveillance monitoring with immediate incident response protocols. Live monitoring Incident recording Police liaison Evidence collection

CCTV Monitoring
24/7 surveillance monitoring with immediate incident response protocols. Live monitoring Incident recording Police liaison Evidence collection

CCTV Monitoring
24/7 surveillance monitoring with immediate incident response protocols. Live monitoring Incident recording Police liaison Evidence collection

Event Security
Comprehensive security solutions for events, festivals, and gatherings. Crowd control VIP protection Bag searches Emergency response

Event Security
Comprehensive security solutions for events, festivals, and gatherings. Crowd control VIP protection Bag searches Emergency response

Event Security
Comprehensive security solutions for events, festivals, and gatherings. Crowd control VIP protection Bag searches Emergency response

Key Holding & Alarm Response
Our key holding and alarm response service ensures your property is never left vulnerable. We securely store a set of your keys,

Key Holding & Alarm Response
Our key holding and alarm response service ensures your property is never left vulnerable. We securely store a set of your keys,

Key Holding & Alarm Response
Our key holding and alarm response service ensures your property is never left vulnerable. We securely store a set of your keys,
Expert Collaboration
fast Response
Critical skills
OUR PROCESS
Simple Steps to Complete Protection
01
Initial Consultation
We start by listening to your needs and understanding the unique risks and challenges of your site, event, or business.
01
Initial Consultation
We start by listening to your needs and understanding the unique risks and challenges of your site, event, or business.
01
Initial Consultation
We start by listening to your needs and understanding the unique risks and challenges of your site, event, or business.
02
Security Assessment
Our experts conduct a thorough risk assessment and recommend the most effective security solutions tailored to your requirements.
02
Security Assessment
Our experts conduct a thorough risk assessment and recommend the most effective security solutions tailored to your requirements.
02
Security Assessment
Our experts conduct a thorough risk assessment and recommend the most effective security solutions tailored to your requirements.
03
Customised Plan
We create a detailed security plan — from dog handler units to CCTV monitoring — designed to give you maximum protection and peace of mind.
03
Customised Plan
We create a detailed security plan — from dog handler units to CCTV monitoring — designed to give you maximum protection and peace of mind.
03
Customised Plan
We create a detailed security plan — from dog handler units to CCTV monitoring — designed to give you maximum protection and peace of mind.
04
Professional Deployment
Our fully licensed security personnel are deployed promptly, ensuring reliable, on-site protection that you can trust.
04
Professional Deployment
Our fully licensed security personnel are deployed promptly, ensuring reliable, on-site protection that you can trust.
04
Professional Deployment
Our fully licensed security personnel are deployed promptly, ensuring reliable, on-site protection that you can trust.
05
Ongoing Support & Monitoring
We provide continuous supervision, updates, and 24/7 support to ensure your security always meets the highest standards.
05
Ongoing Support & Monitoring
We provide continuous supervision, updates, and 24/7 support to ensure your security always meets the highest standards.
05
Ongoing Support & Monitoring
We provide continuous supervision, updates, and 24/7 support to ensure your security always meets the highest standards.
WHY CHOOSE US
Why Choose On Duty Security?



Trusted & Accredited
All our officers are SIA-licensed, fully trained, and insured, giving you the confidence that your security is in safe, professional hands.
Trusted & Accredited
All our officers are SIA-licensed, fully trained, and insured, giving you the confidence that your security is in safe, professional hands.
Trusted & Accredited
All our officers are SIA-licensed, fully trained, and insured, giving you the confidence that your security is in safe, professional hands.
Tailored Security Solutions
We don’t believe in one-size-fits-all. From K9 units to mobile patrols, every package is customised to match your specific needs and risks.
Tailored Security Solutions
We don’t believe in one-size-fits-all. From K9 units to mobile patrols, every package is customised to match your specific needs and risks.
Tailored Security Solutions
We don’t believe in one-size-fits-all. From K9 units to mobile patrols, every package is customised to match your specific needs and risks.
24/7 Rapid Response
Security doesn’t sleep, and neither do we. Our team is on call day and night, ready to respond immediately to any incident.
24/7 Rapid Response
Security doesn’t sleep, and neither do we. Our team is on call day and night, ready to respond immediately to any incident.
24/7 Rapid Response
Security doesn’t sleep, and neither do we. Our team is on call day and night, ready to respond immediately to any incident.
Testimonial
What Our Customers Say
On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
“On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
“On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
“On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
“On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
“On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
“On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
“On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
“On Duty Security has been excellent on our construction site in Hampstead. Their dog handler units are a strong deterrent and their guards are professional and reliable. We’ve had complete peace of mind since working with them.”
James Whitmore
Project Manager – Hampstead Construction
“We needed reliable security for our London retail store and On Duty Security delivered. Their static guards are approachable, professional, and ensure our staff and customers feel safe at all times.”
Michael Thompson
Store Manager – Lidl London
“Our office building in South Wales required 24/7 security, and On Duty Security exceeded expectations. Their team is punctual, courteous, and quick to respond to any issue.”
Sophia Ramirez
Facilities Manager – Swansea Business Park
“We hired On Duty Security for a large public event, and their team handled everything brilliantly — from access control to crowd management. Their presence made our guests feel safe and the event ran smoothly.”
David Mitchell
Event Organiser – Cardiff Events Ltd.
“After repeated incidents of trespassing at our warehouse, On Duty Security deployed K9 units and mobile patrols. Since then, we haven’t had a single security breach. Truly professional service.”
Jessica Brown
Operations Director – London Logistics Ltd.
“Their alarm response service is fantastic. Whenever there’s been an issue, they’ve responded quickly and professionally, saving us from stressful situations in the middle of the night.”
Mark Lewis
Property Manager – One Trinity Gardens
Download Our Security App
Download Our Security App






Stay in control of your safety wherever you are. The On Duty Security app gives you instant access to support, service requests, and real-time updates — all from your phone.
Stay in control of your safety wherever you are. The On Duty Security app gives you instant access to support, service requests, and real-time updates — all from your phone.









CONTACT US
Book Expert K9 Security Service Today!
24/7 Emergency Security Service
Security threats can happen at any time — which is why we’re always ready. Our 24/7 Emergency Security Service ensures you have immediate access to trained, SIA-licensed officers whenever you need urgent protection.
We provide fast deployment across London and South Wales, giving you peace of mind that help is always just one call away. From securing a site after an incident to providing emergency cover for staff shortages, On Duty Security is prepared to step in at a moment’s notice.
Get in Touch with Us
24/7 Emergency Security Service
Security threats can happen at any time — which is why we’re always ready. Our 24/7 Emergency Security Service ensures you have immediate access to trained, SIA-licensed officers whenever you need urgent protection.
We provide fast deployment across London and South Wales, giving you peace of mind that help is always just one call away. From securing a site after an incident to providing emergency cover for staff shortages, On Duty Security is prepared to step in at a moment’s notice.
Get in Touch with Us
24/7 Emergency Security Service
Security threats can happen at any time — which is why we’re always ready. Our 24/7 Emergency Security Service ensures you have immediate access to trained, SIA-licensed officers whenever you need urgent protection.
We provide fast deployment across London and South Wales, giving you peace of mind that help is always just one call away. From securing a site after an incident to providing emergency cover for staff shortages, On Duty Security is prepared to step in at a moment’s notice.