Professional Manned Guarding

That Never Misses a Beat

  • Introduction

At S1 Security, we provide trusted manned guarding for businesses, venues, and properties across South Yorkshire.

Whether it’s safeguarding a workplace, construction site, or public space, our licensed guards offer reliable, visible protection.

With over 15 years of proven experience and a safety-first approach, we deliver consistent, professional service with care and confidence.

Purpose-Built Protection
Tailored to suit how you operate.
Expert Personnel
Reliable, capable, experienced.
Full-Service Security
From initial setup to daily safeguarding.
Uncompromising Vigilance
Only professionalism, every time.

Specialist Security

Trusted protection for property, people.

Our Services

Initial Assessment

We begin with a site evaluation to understand your security challenges, access points, and operational needs.

Ongoing Monitoring & Reporting

Our guards maintain a visible presence, respond to threats, and document all activity with detailed reporting for full accountability.

Office Security

Discreet, dependable security tailored to your workplace needs.

Door Supervision

SIA-licensed supervisors ensuring safety and order at your venue entrances.

Backed by the People We Protect.

See what our clients say about working with a security team they trust

“We’re so happy with our new loft – the quality and attention to detail are second to none.”

Reviewer
Sarah, Horsham Home Owner
4.9/5 ★

“Professional, friendly, and delivered exactly what they promised.”

Reviewer
Tom, Guildford Property Developer
4.8/5 ★

“Professional, friendly, and delivered exactly what they promised.”

Reviewer
Tom, Guildford Property Developer
4.8/5 ★

“Professional, friendly, and delivered exactly what they promised.”

Reviewer
Tom, Guildford Property Developer
4.8/5 ★

“Professional, friendly, and delivered exactly what they promised.”

Reviewer
Tom, Guildford Property Developer
4.8/5 ★

Frequently Asked
Questions.

Everything you need to know before getting

started straight answers from the experts.

Are your security guards SIA licensed?
Yes, all our guards are fully SIA licensed and vetted.
What types of properties do you cover?
We secure offices, retail stores, venues, construction sites, and more.
Do you offer 24/7 security services?
Yes, we provide round-the-clock security tailored to your needs.
Can I hire security for a one-off event?
Absolutely — we specialise in short-term and one-off event security.
How quickly can you deploy staff?
We can deploy trained staff quickly, often within 24 hours.
Is your company insured and compliant?
Yes, we're fully insured and operate in full legal compliance.
How do I request a quote or consultation?
Simply contact us via phone, email, or our website to get started.

Have a question or need a tailored security solution? Our team is ready to help.

+44 (0) 7123 456789

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