Our London Office Is Open 24/7
Security Company London
Welcome to Double Check Security London. Our experienced London Security Guards will help your protect your property and assets! We provide insured, reliable security services in London with vetted local guards. Contact our office team for a quick chat today.
99% of clients recommend our services
Over 1 Billion Worth of Assets Secured Every Day
Security Services For All Sectors In London
Retail Security
Retail Security
Retail Security is one of our popular services due to the high risk of theft within retail. Retail Security is the easiest solution to prevent theft from retail stores.
Event Security
Event Security Guard
Our expert Event Security officers provide security solutions to any event at all locations across UK.
Corporate Security
Office Security
Our corporate security professionals act as the first reflection on your firm, creating a safe, professional, and welcoming environment.
Reception Services
Reception Services
Professional reception security services for your business. Our concierge & reception teams ensure a great first impression & quality customer service!
Residential Security
RST
We provide private residential security guard services for occupied & vacant properties, homes, hotel suites and estates. Our residential Security Teams (RST) available 24/7.
Mobile Patrols
Patrol Services
Our fully trained and SIA licensed mobile security patrol officers are a highly effective and cost saving alternative to static security guards to keep your property safey and have a overt presence.
Close Protection
Bodyguards
Also known as a bodyguard, we offer Close Protection Officer to keep you, your friends and your family safe.
Key Holding Service
Alarm Response Service
We are SIA licensed and accredited to provide rapid and effective key holding and alarm response services throughout the United Kingdom.
We Provide Security Services In London
Top Rated London Security Guard Services
Double Check Security specialises in full time security guarding and one-off guard assignments throughout London. Our security guards are sought after for their professional appearance, due diligence and capabilities.
Regular Security Guard Services in London
Enjoy peace of mind with our weekly or fortnightly security patrols.
All of our security guards in London are rigorously vetted. Insurance coverage is included at no extra cost. You will have the same dedicated security guard for each scheduled patrol. In case your regular guard is unavailable due to holiday or illness, we make every effort to provide a qualified temporary replacement. Our office remains open until late throughout the week for all inquiries. Feel free to change your assigned guard at any time. Ready to secure your premises? Book with Double Check Security today! Call us at 0203 794 8182 to discuss your security needs in detail or simply book online.
One-off Temporary Security in London
Ideal for those one-time events, be it a private family function or a large-scale public gathering, no matter the size of the venue.
The cost for a one-off security detail depends on the location within London and the duration required; you can check specific local pricing by booking online.
Still curious or have additional questions? Why not check out our FAQs about our security services?
Book your security online today!
Affordable and Trusted Security Services
London being the capital of England, has a very large population for such a small piece of the UK. Double Check Security has been serving the London area for over a decade with hundreds of happy clients so far. Unlike most things in London we keep our prices reasonable and offer great value for money.
In London, we’re particularly renowned for our professionalism, affordability, and a a reputation that has earned us high ratings and trust within the local area.
Give us a call on 020 3794 8182 for a quick, friendly chat, or click here to book online. We provide only the best security services in London
Our Security Guard Services In London
Security Solutions for London Businesses and London Residents
Double Check Security Group secures London properties, people and assets with full time and ad-hoc security guarding and related security activities.
Benefits of Choosing Double Check Security Group in London:
- We are committed to environmental sustainability. We employ local security personnel to minimise transportation and increase reliability.
- Many of our security guards have been with us for years, ensuring experienced and 1st class protection.
- We conduct face to face interviews and vetting with all of our security guards to verify their capability and trustworthyness.
- Unlike many security companies that might send different personnel for each visit, we understand the value of consistency. A familiar guard can better understand and adapt to your specific security needs.
- We offer management support throughout the duration of our services.
For all your security needs in London, contact us today at 0203 794 8182, or fill out our enquiry form and we will get back to you promptly.
Request A Callback From Our Local Team In London
Professional SIA Security Guards around London
At Double Check Security Group, we are proud to be one of the most highly recommended security companies in London, known for delivering top-quality, affordable, and reliable security guard services. With years of experience, we’ve firmly established ourselves as the go-to security service provider in London. Call us now on 020 37948182.
Looking For A Security Job In London?
If you’d like some regular security work from a highly-rated domestic security agency in London, then apply online today! We’re always on the lookout for the best security guards that London has to offer to help protect our clients . We’ll provide you with security jobs that fit in with your availability near to where you live.
Our Accreditations & Certifications
Double Check Security Group Ltd t/a T-Class UK, T-Class currently hold SIA Approved Contractor Scheme (ACS) status for the provision of Door Supervision and Security Guarding.
Specialised Security Expertise
Why contact us? Our expert knowledge of security solutions allows us to deliver peace of mind in a variety of settings, including corporate offices, retail spaces, special events and residential. Our SIA trained security guards are skilled in handling diverse security situations, ensuring you and your premises are well-protected.
Customised Security Plans
Why choose Double Check Security? We recognise that every client has different security needs. Our team is skilled at developing security plans that meet the specific requirements and budget constraints of different sectors, providing a personalised service that fits your exact needs.
24/7 Customer Support
Why depend on us? We pride ourselves on offering outstanding customer service around the clock. Whether you have a question or need urgent assistance with a security issue, our support and management team is always available to help, ensuring you always have the support you need, whenever you need it.
Latest Security Technology
Why engage with us? At Double Check Security, we provide our clients with the latest security technologies and services. This includes advanced surveillance systems and modern access control technologies, giving you the tools to significantly improve your security measures.
London Areas We Cover
Barking and Dagenham
Barnet
Bexley
Brent
Bromley
Camden
Croydon
Ealing
Enfield
Greenwich
Hackney
Hammersmith & Fulham
Haringey
Harrow
Havering
Hillingdon
Hounslow
Islington
Kensington
Chelsea
Kingston
Lambeth
Lewisham
Merton
Newham
Redbridge
Richmond
Southwark
Sutton
Tower Hamlets
Waltham Forest
Wandsworth
Westminster
Find out more, book an introductory appointment with us
We offer a free no obligation introductory appointment with you at a time and place of your choosing. Just give us a call or drop us a message and we will be there for you.
Security Guard Company
Most Frequently asked Questions
Actionable Resources For London Security Services
What Is the Difference Between Licensed and Non-Licensed Security Staff in the UK?
Find out what UK law really says about licensed security roles and why getting it wrong could put your business at risk.
Protecting Dark Hubs Security & Cleaning for the UK Logistics Boom
Discover what most logistics leaders miss about unmanned sites. Cleaning and security are no longer separate issues. Here’s why they must work together.
The Complete Guide to TUPE Transfers in Facilities Management
Think TUPE is just HR admin? This guide reveals what really matters when FM contracts change and how to avoid performance drops.
The Guide to Social Value in Facilities Management Tendering
Think social value is just a formality? Learn how FM bidders lose points and what it really takes to meet scoring criteria and secure public contracts.
What Is Martyn’s Law and What Does It Mean for Property Managers
Find out what Martyn’s Law really means for UK property managers and why planning ahead now could save confusion and cost later.
How to Choose Between Day or Night Cleaning for Your Retail Store
Choosing the right time to clean changes more than you think. Find out what most stores overlook and how to build a cleaning schedule that works.
Happy New Year 2026 from Double Check Security Group
A short New Year message from Double Check Security Group to staff and clients. Read our clear goals for 2026 on support, safety and service.
A Christmas message from Double Check Security Group
A warm Christmas message from Double Check Security Group to staff and clients in cleaning, security and facilities management. Our thanks and seasonal reminders.
How to Protect High-Value Goods Without Losing VIP Customers
How do you stop theft without ruining the VIP experience? These security tactics give you control and calm without sacrificing service. Here’s what really works.
CCTV vs Security Guards: Which Is the Best Investment?
Wondering if guards or CCTV offer better value? This guide breaks down what works, when, and why using real costs and contracts that change how you buy.