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About Us & Accreditations
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Professional K9 Units You Can Rely On
Our Commitment to You
We go beyond traditional guarding — offering proactive solutions that deter risks before they arise.
Highly Skilled Professionals
Every member of our team is SIA licensed, highly trained, and committed to delivering the highest standards of security.
Committed to Excellence
Committed to Excellence
At Ondutysecurity Prefection, our dedication to excellence is certified.
At Ondutysecurity Prefection, our dedication to excellence is certified.
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Award-Winning Service
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Award-Winning Service
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Award-Winning Service
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Emergency Plumbing Services
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Emergency Plumbing Services
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Emergency Plumbing Services
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
Our Journey
From our early beginnings to becoming a trusted name in security, On Duty Security has grown by consistently putting clients first.
Over the years, we’ve partnered with leading businesses, construction sites, retail chains, and events across London and South Wales.
Our journey reflects our mission: to provide dependable, round-the-clock protection through integrity, professionalism, and innovation.
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.
Meet Our Expert Team
With over 15 years of experience in the plumbing industry, John has become a true expert.
John Doe
Master Plumber
With over 15 years of experience in the plumbing industry, John has become a true expert.
John Doe
Master Plumber
With over 15 years of experience in the plumbing industry, John has become a true expert.
John Doe
Master Plumber
With over 13 years of experience in the plumbing industry, Jane has become a true expert.
Jane Smith
Lead Technician
With over 13 years of experience in the plumbing industry, Jane has become a true expert.
Jane Smith
Lead Technician
With over 13 years of experience in the plumbing industry, Jane has become a true expert.
Jane Smith
Lead Technician
With over 12 years of experience in the plumbing industry, Sarah has become a true expert.
Sarah Lee
Apprentice Plumber
With over 12 years of experience in the plumbing industry, Sarah has become a true expert.
Sarah Lee
Apprentice Plumber
With over 12 years of experience in the plumbing industry, Sarah has become a true expert.
Sarah Lee
Apprentice Plumber
With over 10 years of experience in the plumbing industry, Michael has become a true expert.
Michael Johnson
Sewer Specialist
With over 10 years of experience in the plumbing industry, Michael has become a true expert.
Michael Johnson
Sewer Specialist
With over 10 years of experience in the plumbing industry, Michael has become a true expert.
Michael Johnson
Sewer Specialist
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
Professional K9 Security Units
Professional K9 Security Units
Professional K9 Security Units
Our highly trained dog handler teams provide unmatched protection, combining the instinct and skills of trained security dogs with the expertise of licensed handlers. K9 units act as a powerful deterrent against intruders, ensuring maximum safety for your people, property, and assets.
Our highly trained dog handler teams provide unmatched protection, combining the instinct and skills of trained security dogs with the expertise of licensed handlers. K9 units act as a powerful deterrent against intruders, ensuring maximum safety for your people, property, and assets.
Our highly trained dog handler teams provide unmatched protection, combining the instinct and skills of trained security dogs with the expertise of licensed handlers. K9 units act as a powerful deterrent against intruders, ensuring maximum safety for your people, property, and assets.
What types of situations are K9 units best suited for?
What types of situations are K9 units best suited for?
What types of situations are K9 units best suited for?
Are your security dogs trained and certified?
Are your security dogs trained and certified?
Are your security dogs trained and certified?
Can K9 units be used alongside other security services?
Can K9 units be used alongside other security services?
Can K9 units be used alongside other security services?
Do K9 units pose any safety risks to the public?
Do K9 units pose any safety risks to the public?
Do K9 units pose any safety risks to the public?
How quickly can a K9 team be deployed?
How quickly can a K9 team be deployed?
How quickly can a K9 team be deployed?
CONTACT US
Book Expert Plumbing 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.