John Comaish Advertising Services Ltd.
Outdoor Advertising Specialists
Our Services


The outdoor media sector is constantly changing and here at John Comaish it is our aim to adapt and grow alongside this.
Keeping up with the needs of an everchanging and fast paced society.

Throughout the years the business has vastly developed, not just in our team but in the skills in which we collectively hold. Our employees are qualified in all aspects of the industry, allowing us to provide a wide range of services at an exceptional standard for our clients. 

We pride ourselves in providing an exceptional service to all our clients.




Posting Roadside
Our teams of bill posting operatives cover across the UK installing new media of all formats, from washroom panels to the largest of back illuminated displays. We work with all the major advertising media companies, changing over 4,000 types of media every 2 weeks. We also have contracts with smaller media owners, theatres, radio, football clubs and taxi services. 

Posting Rail
Rail stations are a key hub in the advertising sector allowing media to target and reach a wide audience. We pride ourselves for our long standing relationships with some of the major stations in the UK. Changing low and high level advertising media across not only Network Rail but also Northern Rail, Transpennine, East Coast Rail, East Midlands Rail and Mersey Rail every week.

Our readily available wide range of access equipment allows us to not only service and change the media but support the media owners when they require assistance and access.

Malls have evolved over the years to become big businesses, housing a diverse number of stores, including both retail and restuarants. Advertising at malls plays a significant role in the introductions of new products and can also lead to sales and expansion in the market.

Mall advertising can reach a wide demographic profile - we change media every fortnight across the country, including centres at:
White Rose Leeds
Meadowhall Sheffield 
Ridings Centre Wakefield
Golden Square Warrington
Freshney Place Grimsby
The Potteries Stoke
Metro Centre Gateshead, which prides itself as Europes largest retail and leisure complex.
Posting plays a key role within the advertising sector and is an effective method to attract wider audiences
Specials and Other
Vinyls and Banners
Using specialised operatives we install vinyl media on a range of formats from retail outlets to rail infrastructure. 

​​We pride ourselves in providing the complete service to our customers.
Our recent special installs have included the Asda Christmas campaign December 2015, Marks and Spencers campaign December 2015, Uncharted 4 campaign May 2016 and the recent Robinsons Wimbledon campaign at London Waterloo Station, which you can also find on our Twitter page.

Over the years we have installed special advertising media for cars, perfumes, movies, utility companies, toothpaste and soft drink campaigns.
Maintenance and Building
Our skilled operatives include fully qualified joiners and electricians and work across the UK, carrying out rebuilds of old installations, prevantative and remedial repairs along with new billboard installations. 

Our teams have a wealth of experience in the erection and maintenance of all types of advertising media so please let us know if we can help you in any way. 
​​We can assist in converting old redundant advertising hoardings, our recent conversion kit is proving popular so please speak to James at our Warrington depot for more information on this or how we can help you.

All our electrical work is fully certified by our qualifying supervisor. We are audited and accredited through our membership with the Electrical Contractors Assiociation (ECA).

For information on our dedicated electrical services please visit our sister site.
Our other services include:
Eyebolt testing / Pull tests with certification
Portable appliance testing (PAT)
Call out service - rapid response - 24/7 for our clients.
Electrical installation and condition reports as recommended by HSE (an inspection & testing schedule must be in place) - Contact us for more information on how we can help you meet the HSE recommendations.
  1. Rochdale - Primesight painting programme 2016
    Rochdale - Primesight painting programme 2016
  2. Rebuilding of advertising hoardings for Primesight - Watery Lane Preston
    Rebuilding of advertising hoardings for Primesight - Watery Lane Preston
  3. Powered access equipment in use by operative in the NW
    Powered access equipment in use by operative in the NW
  4. Pretty Little Thing campaign - Liverpool Central Station
    Pretty Little Thing campaign - Liverpool Central Station
?Want to know more

For more details on any of our services feel free to contact us or get in touch via our social media networks.

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