Construction Site Security
Static guards, patrols, gate control and out-of-hours cover to protect plant, materials and people. Our guards follow your site rules, inductions and PPE requirements.
Get a quote →We cover the whole of the UK
Your business secured. Day and night.
SIA licensed guards for businesses, premises and events. Vetted to BS7858, fully insured and ready when you need them. We can be flexible to meet your needs.
What we do
Security services
Trained, uniformed guards matched to your site, your hours and your risks.
Manned Guarding
Visible, professional guards for offices, warehouses, retail and empty properties.
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Door Supervision
Licensed door supervisors for bars, clubs and venues who keep entry safe and calm.
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Event Security
Crowd management, entry checks and stewarding for private and public events.
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CCTV Monitoring
Trained, SIA licensed operators watch your cameras live and act fast when something happens, alerting you, keyholders or the police.
Get a quote →Nationwide Security Guarding Services
Protect your site with professional guarding from SIA licensed guards across the UK. Our trained guards support construction sites, warehouses, offices, retail premises and events, with visible protection tailored to each site's risks.
Depending on what you need, our guards can control access points, check visitors and vehicles, carry out regular patrols and respond quickly to incidents. Every assignment is planned with health and safety in mind, and we keep you informed, so you always know your site is covered.
Get A Free QuoteWhy Businesses Trust GMB Security
SIA Licensed Guards
Every guard holds a valid SIA licence for the role they carry out.
BS7858 Vetted
Five-year history, right to work, criminal record and credit checks before any guard starts.
Fully Insured
Employer's liability insurance, public liability insurance, and efficacy and inefficacy cover.
Health and Safety First
Site risk assessments, safety briefings, the right PPE and welfare checks for guards working alone.
24/7 Cover
Guards day and night, including weekends and bank holidays.
UK-Wide Coverage
We cover the whole of the UK, from single shifts to long-term contracts.
Flexible to Your Needs
Add or reduce guards and hours as your site or project changes.
About us
Security built on trust
GMB Security Ltd provides SIA licensed guards for construction sites, commercial premises, venues and events across the UK, plus live CCTV monitoring. Whatever you need protecting, we provide the right guards for the job, from a single shift to a long-term contract.
Every guard we place is vetted to BS7858, trained for the role and fully briefed on your site before their first shift. We keep communication simple, so you always know who is on site and how to reach us.
Health and safety comes first in everything we do. Before work starts, we assess the risks on each site, brief our guards on site rules and emergency procedures, and make sure they have the right PPE. Guards working alone have regular welfare check-ins, and every incident is reported and reviewed so we keep improving.
No two sites are the same. We can be flexible to meet your needs, whether you need one guard for a weekend or a full team for a long-term project.
What we stand for
- Safety. Keeping our guards, your people and the public safe on every shift.
- Reliability. Guards who turn up on time, every time.
- Professionalism. Smart, trained and courteous on every site.
- Flexibility. Cover shaped around your hours and your risks.
Our mission
To protect people, property and projects safely, with reliable, well-trained guards and a service that is easy to work with.
Our vision
To become the security partner businesses across the UK trust first, known for guards who turn up, stay alert and represent our clients well.
Our promise
Clear quotes, honest communication and cover that fits your site. We will always tell you who is on duty.
Careers
Want to be part of our team? Join us today
We are recruiting SIA licensed guards, door supervisors and CCTV operators to work at businesses, venues and events across the UK. Your safety matters to us: you will get a site briefing, the right PPE and regular welfare check-ins.
BS7858 Vetting you can expect
- Five years of employment and address history
- Proof of right to work in the UK
- Basic criminal record (DBS) check
- Credit check and references
- Valid SIA licence for the role
FAQs
Questions we often get
Getting a quote
How quickly will I receive a quote?
We aim to come back to you quickly with a clear, written quote. If your need is urgent, call us on 0333 772 4859 and we will talk it through straight away.
Is there any obligation when I request a quote?
No. Every quote is free and there is no obligation to go ahead.
What information do I need to give for an accurate quote?
The site address, the type of security you need, your start date, the hours and days of cover, and how many guards you think you need. If you are not sure about any of these, we can help you work it out.
Can I request a specific type of security service?
Yes. Choose the service in the form, or pick "I'm not sure" and we will recommend the right cover for your site.
What happens after I submit the form?
A member of our team reviews your details, may call you to ask a few questions, and then sends you a tailored quote.
How much does security guarding cost?
It depends on your location, the hours needed, the number of guards and the type of site. Send us your details and we will give you a clear price with no hidden extras.
How do you assess my security risks?
We look at your site, its layout, what needs protecting and any past incidents. From that we recommend the right number of guards, patrol routes and hours of cover.
Our services and guards
What security services do you provide?
We provide construction site security, manned guarding, door supervision, event security and CCTV monitoring. Whatever your site or event, we can put the right cover in place.
How quickly can you get guards on site?
We can often provide cover at short notice. Tell us your start date and we will confirm what we can do.
Do you offer 24/7 security?
Yes. We can provide guards day and night, including weekends and bank holidays.
Are your guards SIA licensed?
Yes. Every guard holds a valid SIA licence for the role they carry out.
Are your guards insured and vetted?
Yes. All guards are vetted to BS7858, and we hold employer's liability insurance, public liability insurance, and efficacy and inefficacy cover.
How do you manage health and safety?
We assess the risks on each site before work starts and brief our guards on site rules, emergency procedures and PPE. Guards working alone have regular welfare check-ins. We record and review every incident, and we work with your own site safety team and procedures.
How does your CCTV monitoring work?
Your cameras are connected to our monitoring team, who watch them live. If they spot anything suspicious, they can issue warnings, contact you or your keyholders, and call the police if needed. Each incident is logged and reported to you.
Do you cover the whole of the UK?
Yes. We cover the whole of the UK.
What types of premises do you protect?
Construction sites, offices, warehouses, retail units, empty properties, bars, clubs and event venues.
Do you offer short-term and long-term contracts?
Yes. We cover one-off shifts, short projects and long-term contracts. We can be flexible to meet your needs.
What is the difference between static and manned guarding?
Static guarding means a guard stays at one fixed point, such as a gate or entrance. Manned guarding covers a wider area, with guards patrolling, checking visitors and responding to issues.
Request a quote
Get your free security quote
Free and no obligation. Tell us about your site and our team will come back to you with a clear price.
SIA licensed guards24/7 coverUK-wideFully insured
Call us0333 772 4859
Office82A James Carter Road, Mildenhall, IP28 7DE
Opening hours24 hours, 7 days a week
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