Top 50 Integrated Agency 📈

Your fully Integrated Agency: media, digital marketing and advertising in Manchester, London and Warsaw.

Creative, Digital, Outdoor,

Radio, OOH, TV and more.

As an integrated marketing and advertising agency, we add value to brands by bridging the gap between creative, digital and media. Free from knowledge silos, we offer fully integrated, unique perspectives across all moving parts to deliver well-thought-out, high-performing campaigns.

Headquartered in the thriving, up-and-coming city of Manchester, we also maintain a presence in London, Warsaw, Paris and Berlin, delivering campaigns across major markets for brands of all sizes.

Our Services At a Glance.

Design & Creative

Design and Creative

Adverts and brand messaging are the biggest contributor to your business and brand success. As an advertising agency that works cross-channel from creative to activation, we always start by studying your advertising, messaging and more. From billboards to social media ads, we have you covered.

    • Paid Social Ads

    • YouTube Ads

    • Spotify Audio Ads

    • Digital Ads

    • Billboard Advertising

    • Social Media Ads

Digital Marketing

Digital Marketing

Digital advertising is constantly expanding and offering more unique ways to engage with your audience at the right moment and media. It’s also present in an ever-growing list of environments and capabilities. Working alongside creative and media planning, we’re a best-in-class digital marketing marketing.

    • PPC

    • Paid Social

    • Google Ads and Bing Ads

    • Social Media Advertising

    • Google Search and Shopping Ads

    • Programmatic Display

    • YouTube Advertising

OOH Advertising

Out-of-Home Advertising

Sustainable and consistent brand growth can only be achieved with a healthy media mix and OOH Advertising can play a big part in adding touch-points and maximising the frequency. As a media agency, we cover all out-of-home advertising options, below, and more!

TV & VOD Advertising

TV & VOD

At One Day Agency, we create impactful TV and Video On Demand (VOD) campaigns for businesses of all sizes. From traditional broadcast TV to leading streaming platforms, we ensure your message connects with the right audience. With expertise across all major networks and services, we craft targeted campaigns that elevate your brand’s visibility and deliver measurable results in today’s evolving media landscape.

    • Broadcast TV Advertising

    • Video On-Demand Advertising: ITV, Channel 4, and others

    • App-based Streaming Service Advertising

    • YouTube Advertising and YouTube Ads

    • VOD Advertising: AdSmart from Sky

Radio Advertising

Radio

Audio advertising offers a unique way to connect with audiences, and we’re here to help you make an impact. Whether it’s traditional radio, digital platforms like DAX, streaming services, podcasts, or Spotify, we create campaigns that cut through the noise. By leveraging the power of sound and tailoring strategies to fit each platform, we help your brand engage listeners in meaningful ways, ensuring your message leaves a lasting impression.

    • Radio and DAX

    • Spotify Advertising

    • Podcast Advertising

Who do we work with?

What our clients are saying…

  • Codorníu Raventos - International Brand Manager Europe & Asia

    “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.”

  • Mark Hodson, 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".

  • General Manager, Itchy Baby Co

    “We needed a digital agency that rocks the pants off it in the social & digital space that was fast, flexible, insightful and fun. Critical for us was someone that was responsive, really understood paid digital, and had the ability to make short, sharp, quick creative ads. One Day is that Agency. We are extremely excited to see what 2021 brings working with the talented team as we launch into the UK.”

  • Gurveer Chana, BigCommerce's Demand Generation Manager

    “It was an incredible experience partnering with IDA 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 ad t picking locations and strategies, the were with us every step of the way, and we couldn’t be happier with the results.”

Latest Case Studies

See below our selected work, click or tap to view.

Tourism - Paid Media Advertising

Motorsports - Experiential OOH Campaign

FMCG - Out-of-Home Campaign

Creative, Digital, Outdoor,

Radio, OOH, TV and more.

Transform your advertising today and learn how we’ll influence your buyer. Get in touch with One Day Advertising Agency in Manchester and London.


Advertising Agency In Manchester with International reach across all major markets.

One Day Advertising Agency Manchester

45 Cross Street, Manchester, M2 4JF, UK

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One Day Advertising Agency London

16 Great Chapel St, London, W1F 8FL, UK

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One Day Advertising Agency Warsaw

Prosta 20/00-850, 00-850 Warszawa, PL

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Frequently Asked Questions.

  • An integrated agency is the only agency you need for marketing and advertising. There’s no longer a distinction between an advertising agency, a media agency, a digital marketing agency or a creative agency. We believe consistency across channels is key. As an integrated agency, we specialise in managing multiplatform marketing campaigns from concept to delivery. With an all-senior, multi-disciplinary team, we manage all moving parts to deliver creative out-of-home, PPC, TV, Radio and Digital campaigns.

  • With offices in London, Manchester, Warsaw, Paris and Berlin, our goal is to transcend traditional agency-brand barriers, methodologies, and models. With an all-senior team, we strive to cultivate seamless relationships, eradicating knowledge silos by bridging the divides between creative, media, and digital spheres.

  • Yes, One Day Agency works with brands across the globe. Our campaigns have spanned Europe, the Middle East, North America and beyond, delivering impact across borders.

  • We’re an integrated agency — bridging the gap between media and digital to offer the best of both worlds. We have a full-service media planning and buying team covering OOH, TV, radio and more, alongside a performance marketing team that drives results across paid social, search, programmatic and beyond. What makes One Day unique is how these teams work together, not in silos. Creative, media and digital are aligned from day one, delivering smarter, faster and more effective campaigns.

  • Both. One Day Agency works across B2C and B2B, and often with brands that blur the lines between the two. Our integrated approach adapts to the audience, not the label — whether we’re driving mass reach for a consumer brand or targeting niche decision-makers for a B2B campaign. What matters is crafting the right strategy, creative and media mix to reach your goals, regardless of the sector.

The latest from One Day.