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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

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

Our Customers

  • "No complaints your engineers were first class."

    Mr Mrs Martin, Bishopbriggs
  • "Don't think you can improve in any way - excellent service + very helpful staff"

    Mr Conlan, Beith
  • "There is always room for improvement but in our case with CSS we cant put our finger on it."

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

    Mr Young, Stirling
  • "We are very pleased with our system so far."

    Mr Cumming, Lenzie
  • "Very good service."

    Mr Lloyd, Bothwell
  • "Every aspect of our installation was perfect hassle free and an excellent job."

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

    Mr Wilson, Glasgow
  • "At your standard theres no need to improve but dont get complacent."

    Mr Graham, Dalry
  • "Cant suggest any improvements to you, I have found every situation dealt with in a professional manner."

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

    Mr Wilson, Kirkintilloch
  • "Overall service was excellent especially from your surveyor who was very very helpful."

    L N G, Glasgow
  • "Remedial works carried out quickly. Thanks."

    Mr Mckay, Lenzie
  • "The engineer was excellent in manner, attitude, and his competence very impressive."

    Mr Albutt, Glasgow
  • "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
  • "Very happy with service given."

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

    Mr Holmes, Edinburgh
  • "Excellent service across the board."

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

    Mr Wong, Glasgow
  • "Very pleased with service."

    Mr Logan, Edinburgh
  • "Initial fault was rectified immediately. Great service."

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

    Mrs Campbell, Glasgow
  • "I had a complaint that was dealt with promptly and efficiently to my complete satisfaction."

    Mr Turner, Bearsden
  • "I would recommend CSS to friends and colleagues."

    Dr Mckean, Alva
  • "We are entirely satisfied many thanks for a job well done. The wiring is scarcely visible."

    Mr Mrs Fabb, Glasgow
  • "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
  • "Entirely happy with the system."

    Mr Dearden, Renfrew
  • "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
  • "No complaints, excellent service."

    M.G C, Musselburgh
  • "System was not 100% at first but was rectified quickly thank you!"

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

    K Mcwilliam, Ardrossan
  • "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 Installation engineer is a credit to your company. Overall im very satisfied with your service."

    Mr Best, Milngavie
  • "Very good service no complaints at all."

    M Beveridge, Kilmacolm
  • "Standard of service was excellent from start to finish completely hassle free. Thanks!"

    Mr Mrs Deverill, Old Kilpatrick
  • "Please maintain your standards."

    Mrs Irvine, Kirkintilloch
  • "You cant improve on service! perfection."

    Mrs Thomson, Bearsden
  • "Your service is prompt and efficient."

    Mrs Melville, Bishopbriggs
  • "The service from your rep and engineer was excellent."

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

    Mrs McLay, Bearsden

CSS Accreditation

CSS are accreditied by the following organisations

BT Redcare accreditation Nacoss accreditation

Inverstors in people accreditation