Advertise in London

Reach millions of consumers in the beating heart of the UK

With a population of over 9.4 million people, London is the UK's busiest city, making it one of the most coveted advertising hubs in the world. We are an advertising and marketing agency based in London, strategically positioned with offices and a proficient local team based in Great Chapel Street. As an integrated agency, we add value to brands looking to advertise in London, providing a wide range of OOH, digital marketing and paid media advertising.

Some of our latest campaigns in London.

Why One Day?

As a fully integrated agency, One Day offers a comprehensive scope of advertising options, placements and campaigns, combining creative, digital, outdoor, OOH and broadcast, and delivering leading design services to ensure your media achieves the results you aim for.

One Day specialises in high-profile campaigns and advertising in the UK and Europe, providing full-funnel marketing to ambitious businesses and innovative brands. We blend creative skill, media expertise and digital knowledge to provide whole campaign management, ensuring you have the support and assistance you need to get ahead and customise your branding to each setting.

Brands we worked with across the London market.

Philippines Tourism Board

Why Advertise in London?

London attracts millions of visitors annually, with a fast-growing population of just over nine million people – making it the UK's largest, busiest and highest-traffic city. Whether you’d like to promote your brand to maximise impressions, select strategic advertising placements to engage with targeted audiences, or aspire to achieve instant brand recall across the demographics, London is the place to be seen.

  • London has an ever-growing number of visitors, with an estimated 37.5 million people travelling to the capital city during 2023 – a figure that continues to rise.

  • 52% of people see an OOH ad every week, achieving a concentrated level of brand recognition where 80% of the population can recall a promotion.

  • In 2023, TFL hit a daily passenger record of four million people using tubes, overground trains, buses and ferries to commute, travel to and from home, and enjoy leisure activities.

  • Targeted OOH placements in London achieve outstanding results, with bus shelter ads alone reaching 92% of the population per week.

The sheer size of the audience makes advertising in London a compelling prospect, with a variety of creative and strategic ways to combine mediums, formats and digital and static ads to appeal to defined viewer groups.

Our London Advertising Services

Billboard Advertising in London

Billboard Advertising in London

Displaying your brand messaging using large-format, unmissable billboard advertisements is a fantastic way to augment awareness, using eye-catching, memorable graphics to capture attention and encourage viewers to take action. Both digital and traditional billboard placements can be hand-selected to optimise returns, with options such as major London attractions and business areas and iconic London landmarks with unparalleled footfall.

London Underground Advertising

London Underground Advertising

The London underground is an integral part of city life, as Europe's third-busiest underground transport network. We organise a range of tube advertising placements, from in-carriage tube car panels to huge 16-sheet Cross Track displays and digital escalator panels. Showcasing your brand offering to countless visitors in a setting with high dwell times is an excellent way to extract added value from your advertising.

London Bus Advertising

London Bus Advertising

Today, over 8,500 London buses navigate different routes, from the ultra-modern low-emission 'bendy buses' to the famous red Routemasters, double-deckers and open-topped tour buses. Advertising your brand on a London bus directly exposes audiences throughout central London, including areas with restricted access to other vehicles. We provide a complete range of placements, from entire bus wraps to supersides, T-sides and interior panel advertising, reaching pedestrians, motorists, tourists and passers-by.

London Black Cab Advertising

Black Cab Advertising

The black London cab is as synonymous with the city as its red buses. Taxis provide an exciting way to promote your business to the over 1,000 passengers who travel in every taxi each month and to all other audiences within public spaces. Choose between full liveries and wraps which are instantly noticeable, or expand your messaging throughout the capital with taxi supersides, interior tip seats and branded interiors.

Bus Stop Advertising in London

Bus Stop and Shelter Advertising

Shelters and stops are a great way to display branding and promotions to captive audiences with an extended dwell time when sheltering from the weather, waiting for a service, or queuing to board. Daily ridership numbers of around 6 million people provide a massive audience with bus shelter ads available to coordinate with on-bus advertising campaigns.

PPC Agency in London

PPC Advertising for London Audiences

Alongside physical and digital advertising, One Day offers senior-level PPC management to reinforce your campaigns and disseminate core messaging across your audiences, extracting precise data to inform your marketing approaches. Our PPC advertising plans can be specifically designed to reach London visitors, residents and business owners and supplement the outcomes achieved through transport network and OOH advertising.

OOH Advertising in London

OOH Advertising in London

Out of Home, or OOH advertising, covers everything from transport networks to high-profile billboards, promotional placements in rail stations and retail centres, and targeted ad displays in public spaces most used by your target customer. One Day offers everything from immersive, interactive digital displays to advertising placements in key locations and areas within London that attract maximum visitor numbers.

Frequently Asked Questions.

  • Each of the advertising placements we have mentioned can help you to meet your London advertising goals and the most successful options will depend on your objectives, timescales and the nature of the product, service, or brand you wish to promote. If you would like independent guidance to help you make informed decisions, please get in touch.

  • London is one of the largest and most-visited cities worldwide and attracts an extensive audience from tourists to families, students to businesspeople, residents and high-net-worth audiences with second properties in the capital. Advertising in London puts your business in the mix, reaching a diverse range of viewers and ensuring your brand is a familiar name.

  • Businesses often feel conflicted when selecting one advertising format since each offers unique advantages and exposure. One Day can facilitate a multi-placement campaign across your choice of advertising mediums, improving brand recall and displaying your messaging in an assortment of spaces.

What our clients are saying…

International Brand Manager Europe & Asia, Codorníu Raventos

“About Nielsen data: It is once again very positive for us because while the category fell by 11.6% in value, and the cava category decreased by 5.6%, we are once again the green dot in the data, growing vs. the previous year's and increase of market share. These results are clearly related to the MKT campaigns during April and July. So, once again, thank you very much for your wonderful support. We are achieving great things in the UK thanks to these impactful marketing campaigns.”

Managing Director of the Jordan Tourism Board

“Jordan in its recent history has relied heavily on and benefited from sharing plans and exchanging experiences with our neighbours and friends in The United Kingdom.”

VP of Marketing at UNiDAYS

"Freshers is such a pivotal moment for UNiDAYS. As the UK's leading student platform, working with a tried and trusted team was key. We've found that in One Day. Their professionalism and unique approach to measuring effectiveness and incrementality is truly exceptional".

BigCommerce’s Demand Generation Manager

“It was an incredible experience partnering with 1DA Agency. We handed them a strict budget, and they met it and exceeded our expectations. Their professionalism, creativity, and unwavering support were instrumental in our campaign's success. From designing ads to picking locations and strategies, they were with us every step of the way, and we couldn't be happier with the results."