About from company website
Mercury Systems is a specialist provider of integrated security, fire, and audio-visual solutions, serving government, education, and commercial sectors. With a strong focus on high-security projects and SC-vetted teams, the company emphasizes trust, compliance, and premium products, partnering with leading brands like Gallagher, Honeywell, Motorola, and Axis. They pride themselves on delivering bespoke, cutting-edge solutions tailored to complex requirements, ensuring seamless project delivery from design to handover with comprehensive support for intermediaries.
The company offers a wide range of services including CCTV systems, access control, intruder alarms, and security gates, barriers, and fencing. They are vendor-neutral, ensuring clients receive the most suitable technology for their needs, whether for single-door installations or integrated security solutions for large sites. Mercury Systems also provides expert maintenance services to ensure systems remain compliant and effective.
Mercury Systems works closely with consultants, contractors, and businesses, offering technical expertise and project management. Their commitment to quality is underscored by accreditations and a focus on understanding the specific needs of specialist sectors. They aim to remove risks for businesses by providing legally required qualifications and accreditations, managing projects in-house to ensure delivery on schedule, within budget, and to high standards.
Services
Works as
Sectors
Accreditations from company website
- ISO 27001
Clients mentioned from company website
Barclays Capital, Base Interiors.
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- Services and specialisms in your own words
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Questions about MERCURY SECURITY SYSTEMS LTD from the record on this page
What does MERCURY SECURITY SYSTEMS LTD do?
Mercury Systems: Specialists in Security, Fire & Audio Visual solutions for government, education, and commercial sectors. Trusted for premium, tailored systems. Their listed services include Security systems and Fire protection.
Where is MERCURY SECURITY SYSTEMS LTD based?
MERCURY SECURITY SYSTEMS LTD is registered at 9 Bridgegate Centre, Martinfield, Welwyn Garden City, AL7 1JG, in East of England.
What areas does MERCURY SECURITY SYSTEMS LTD cover?
MERCURY SECURITY SYSTEMS LTD states that it works across Nationwide.
How many people work at MERCURY SECURITY SYSTEMS LTD?
Accounts filed for the year to 2025 report 30 employees, which places the company in the 10-49 employees band.
What is MERCURY SECURITY SYSTEMS LTD's turnover?
MERCURY SECURITY SYSTEMS LTD does not disclose turnover: UK small-company accounts are not required to. Based on headcount and trade debtors in its filed accounts, turnover is likely to fall between £2.6m and £6.8m. This is an estimate, not a filed figure.
Is MERCURY SECURITY SYSTEMS LTD still trading?
Companies House lists MERCURY SECURITY SYSTEMS LTD as active, with accounts most recently made up to 2025-09-30.
What accreditations does MERCURY SECURITY SYSTEMS LTD hold?
MERCURY SECURITY SYSTEMS LTD displays ISO 27001 on its website.
What sectors does MERCURY SECURITY SYSTEMS LTD work in?
MERCURY SECURITY SYSTEMS LTD works in Public, Education, Commercial, Healthcare and Residential.
When was MERCURY SECURITY SYSTEMS LTD established?
MERCURY SECURITY SYSTEMS LTD was incorporated on 1997-12-18.
