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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

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

Our Customers

  • "Very good service no complaints at all."

    M Beveridge, Kilmacolm
  • "Overall service was excellent especially from your surveyor who was very very helpful."

    L N G, Glasgow
  • "I had a problem that was attended to straight away Thank you!"

    Mr Wong, Glasgow
  • "You cant improve on service! perfection."

    Mrs Thomson, Bearsden
  • "No complaints, excellent service."

    M.G C, Musselburgh
  • "Cant suggest any improvements to you, I have found every situation dealt with in a professional manner."

    Mrs Johnston, Largs
  • "No complaints your engineers were first class."

    Mr Mrs Martin, Bishopbriggs
  • "Your service is prompt and efficient."

    Mrs Melville, Bishopbriggs
  • "I would recommend CSS to friends and colleagues."

    Dr Mckean, Alva
  • "Entirely happy with the system."

    Mr Dearden, Renfrew
  • "We are very pleased with our system so far."

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

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

    Mrs McLay, Bearsden
  • "Excellent service across the board."

    Mr Dario, Glasgow
  • "Very good service."

    Mr Lloyd, Bothwell
  • "Please maintain your standards."

    Mrs Irvine, Kirkintilloch
  • "We are entirely satisfied many thanks for a job well done. The wiring is scarcely visible."

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

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

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

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

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

    E.Wilson, Milngavie
  • "Everything you did for us was excellent."

    Mrs Campbell, Glasgow
  • "Very pleased with service."

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

    K Mcwilliam, Ardrossan
  • "I had a complaint that was dealt with promptly and efficiently to my complete satisfaction."

    Mr Turner, Bearsden
  • "Very happy with service given."

    Mr Duffin, Glasgow
  • "Good quality service."

    Mr Wilson, Glasgow
  • "The service from your rep and engineer was excellent."

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

    Mr Mrs Deverill, Old Kilpatrick
  • "Remedial works carried out quickly. Thanks."

    Mr Mckay, Lenzie
  • "Initial fault was rectified immediately. Great service."

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

    Mr McComb, Milngavie

CSS Accreditation

CSS are accreditied by the following organisations

BT Redcare accreditation Nacoss accreditation

Inverstors in people accreditation