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CSS - Connelly Security Systems

CSS are one of the market leaders in the supply and installation of new generation security systems for both the commercial and residential markets in Scotland. We have direct links to the emergency services headquarters across Scotland and we operate a 24hr manned alarm receiving centre offering genuine customer support services available for you 24hrs a day.

CSS have achieved recognition from the National Security Inspectore (NSI) by becoming approved as a Gold Installer (the highest level of accreditation) for the following services we provide to our extensive customer base.

Intruder alarms, CCTV systems, Access Control systems, Fire alarms, & Alarm Receiving Centre.

"Unfortunately many of our enquiries come from customers who have been unfortunate to be a victim of a house break-in. We would rather bolt the door before the horse runs off."

Paul Connelly, Managing Director of CSS

Serious about business security

If you are serious about business security talk to us, we have been providing turn-key solutions to our customers for over 25 years and always take a long term view in ensuring the equipment we offer is robust with an acceptable life cycle.

CSS do not operate in the cheap and cheerful market; the products we source from our supply chain must be rigorously tested and be of a substantially high quality. In fact there are hundreds of our systems that are over 20 years old and still in good working order.

Providing quality security for your home

CSS are the market leader in the supply and installation of new generation intelligent security systems for both the business and domestic markets in Scotland.

Most new generation intelligent CSS security systems link to our 24h hour alarm receiving centre. When we receive a confirmed alarm we will notify the Police service and a nominated key-holder to attend your home.

Our Clients

  • Cornhill Insurance logo
  • CBRE logo
  • University of Glasgow logo
  • Strathclyde Fire Brigade logo
  • Church Of Scotland logo
  • Jones Lang LaSalle logo
  • Costa Coffee logo
  • O'Brien Homes logo
  • Charles Church Homes logo
  • Ryden International logo
  • Subway logo
  • ASDA logo
  • Bellway Homes logo
  • David Wilson homes logo
  • Britannia Life logo
  • Glasgow City Council logo
  • Macfarlane Homes logo
  • Brewers Fayre logo
  • Speirs gumley logo
  • Carronvale Homes logo
  • TGI Friday's logo
  • Cash4Gold logo
  • Travel Inn logo
  • GVA Grimley logo
  • National Trust for Scotland logo
  • Clydesdale Bank logo
  • Stanley Casinos logo
  • Chicken Cottage logo
  • Tulloch Homes logo
  • Glasgow Caledonian University logo
  • Clackmannanshire Council logo
  • Perfume Shop logo
  • Daily Record logo
  • Bryant Homes logo
  • West Lothian Council logo
  • Persimmon Homes logo
  • East Dunbartonshire Council logo
  • Whitbread PLC logo
  • South Lanarkshire Council logo
  • Strathclyde Police logo
  • Beefeater Restaurants logo
  • Rox Jewellery logo
  • Marley logo
  • Scottish Water logo

Our Customers

  • "We are very pleased with our system so far."

    Mr Cumming, Lenzie
  • "I had a problem that was attended to straight away Thank you!"

    Mr Wong, Glasgow
  • "Very good service no complaints at all."

    M Beveridge, Kilmacolm
  • "Don't think you can improve in any way - excellent service + very helpful staff"

    Mr Conlan, Beith
  • "Standard of service was excellent from start to finish completely hassle free. Thanks!"

    Mr Mrs Deverill, Old Kilpatrick
  • "I would recommend CSS to friends and colleagues."

    Dr Mckean, Alva
  • "You cant improve on service! perfection."

    Mrs Thomson, Bearsden
  • "There is always room for improvement but in our case with CSS we cant put our finger on it."

    Mr Mrs Ghaznau, Edinburgh
  • "Your service is prompt and efficient."

    Mrs Melville, Bishopbriggs
  • "The engineer was excellent in manner, attitude, and his competence very impressive."

    Mr Albutt, Glasgow
  • "Entirely happy with the system."

    Mr Dearden, Renfrew
  • "The two engineers who did the work were extremely helpful and the quality of their work exceptional I am completely satisfied."

    K Mcwilliam, Ardrossan
  • "Very happy with service given."

    Mr Duffin, Glasgow
  • "Very good service."

    Mr Lloyd, Bothwell
  • "Very pleased with your company especially the surveyor who was always ready to answer my queries. Wouldnt hesitate to recommend your services."

    F D, Glasgow
  • "Cant suggest any improvements to you, I have found every situation dealt with in a professional manner."

    Mrs Johnston, Largs
  • "At your standard theres no need to improve but dont get complacent."

    Mr Graham, Dalry
  • "I had a problem and you came out the same day , not many firms respond that quick thanks. I didnt need to take time off work."

    Mr Thomson, Falkirk
  • "I would highly recommend your firm as the service was first class. I would also like to say that the surveyor was the best ive came across he was honest, helpful and did not pressure me in any way."

    Mrs Devlin, Glasgow
  • "I had a problem and it was handled efficiently and to my satisfaction."

    Mr Wilson, Kirkintilloch
  • "No complaints your engineers were first class."

    Mr Mrs Martin, Bishopbriggs
  • "We are delighted with every aspect of the service provided by CSS, many thanks."

    Mr Young, Stirling
  • "System was installed well, I had a teething problem that was attended to promptly thank you."

    Mr Holmes, Edinburgh
  • "I had a complaint that was dealt with promptly and efficiently to my complete satisfaction."

    Mr Turner, Bearsden
  • "System was not 100% at first but was rectified quickly thank you!"

    Mr McComb, Milngavie
  • "Remedial works carried out quickly. Thanks."

    Mr Mckay, Lenzie
  • "We are entirely satisfied many thanks for a job well done. The wiring is scarcely visible."

    Mr Mrs Fabb, Glasgow
  • "Very pleased with service."

    Mr Logan, Edinburgh
  • "I cant think of anything that you can improve in customer service."

    Mrs McLay, Bearsden
  • "Everything you did for us was excellent."

    Mrs Campbell, Glasgow
  • "Every aspect of our installation was perfect hassle free and an excellent job."

    E.Wilson, Milngavie
  • "Good quality service."

    Mr Wilson, Glasgow
  • "No complaints, excellent service."

    M.G C, Musselburgh
  • "Overall service was excellent especially from your surveyor who was very very helpful."

    L N G, Glasgow
  • "The Installation engineer is a credit to your company. Overall im very satisfied with your service."

    Mr Best, Milngavie
  • "Initial fault was rectified immediately. Great service."

    Mrs Gordon, Bearsden
  • "Unfortunately I got the system installed after I had a break-in. I was distressed & much appreciated the speed at which this was all dealt with. Your Surveyor was very helpful and re-assuring."

    M. Donaldson, Edinburgh
  • "The service from your rep and engineer was excellent."

    Mr Pia, Eskbank
  • "Please maintain your standards."

    Mrs Irvine, Kirkintilloch
  • "Excellent service across the board."

    Mr Dario, Glasgow

CSS Accreditation

CSS are accreditied by the following organisations

BT Redcare accreditation Nacoss accreditation

Inverstors in people accreditation