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About Us


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What is BSL?

Exterion Media is a leading Out of Home media owner in the UK. We provide the opportunity for advertisers to reach and enjoy extended levels of engagement with the UK’s urban audiences.

We reach the largest urban areas in the country with our nationwide portfolio. Our sites in and around London's key transport networks and retail environments ensure that we provide advertisers with access to the UK's largest and wealthiest urban area. Our presence on Bus and National Rail also provides us with an unparalleled scope across regional urban areas.

Extensive investment in research tools such as our pioneering audience panel and the London Worker Planning Tool means we can provide unrivalled insight into the urban audience and how to reach them using our out of home media formats for maximum value and return.

Our vision is to be number one in engaging urban audiences across the UK; shaping the future of the market by delivering quality insights, providing operational excellence and building meaningful relationships across all aspects of business.

Exterion Media is a proud supporter of #LondonIsOpen

London is the best city in the world. We are entrepreneurial, international and outward looking. London is known as a city full of creativity, a place where anything is possible. The key ingredient of our city’s success has been the flow of brilliant ideas and talent from across the globe. Our city is comfortable in its diversity, proud of its history and optimistic about its future. London is open.

  • Transparency

    We strive to create mutual trust through our openness and accountability, encouraging curiosity and open communication. 


    We dare to seek new opportunities and challenge the norm, applauding pioneering mind-sets and encouraging people to forge ahead with innovative ideas. 


    We operate with fairness, integrity and equality at the heart of our business, believing that everyone deserves the right to be heard.


    We set ourselves challenging goals and our determination and dedication enables us to achieve outstanding results not just for our business but for the industry as a whole.