CSS At A Glance
Key information points describing Connelly Security Systems including company information, accreditations and charities we support.
Since we formed in 1986 Connelly Security Systems (CSS) has strived to become the best company possible.
From small beginnings, but with great ambitions, CSS has grown from a small family business endeavour into the biggest and arguably the most trusted independent home and business security company in Scotland. We remain a family company and continue to build on our ambitions and hence have expanded to encompass the entire range of home and business security solutions.
We are also diligent about our industry accreditations which carry much weight with our customers. We are always up to date with British Standards and apply them to our day-to-day work and home and business installations.
Company Information
- Company Number: SC100123 (Scotland). Est 1986
- Employees: 160
- Locations: 6 across Scotland
- Clients under contract: 35,000. Commercial premises , Industrial Units, Residential, Government, NHS, Councils, Retailers, Food & Drink sectors, Hospitality sectors, Housing Associations, Leisure industry.
Accreditations and affiliations
National Security Inspectorate ( NSI) Approved Gold Installer various, British Security Industry Association member (BSIA), Safe Contractor accredited, Police Scotland recognised Installer, accepted by all insurance providers, Living Wage employer, British Approvals (for) Fire Equipment, BAFE approved, Accredited Financial Conduct Authority (FCA), Best Family Business in Scotland (Large) Award 2021 The Herald Newspaper.
Legal Advisors: Harper Macleod LLP Glasgow – Edinburgh.
Accountants: Johnstone Carmichael Glasgow – Edinburgh.
Insurers: Kelvin Smith corporate risk. Public Liability £10m, Products Liability £10m, Employers Liability £10m. Contractors all risk £500k
Supported Charities
Why Choose CSS Limited
We are a family business operating since 1986. Since then we have built up a highly skilled and
accredited team of dedicated and loyal staff committed to putting customers first.

Dedicated to protecting
your home or business
since 1986.

Professional & Accredited
Team. No one’s more
qualified to keep you safe.

State-of-the-art
alarm receiving centre for
24/7 security monitoring

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