Top 20 London Agencies

Top 20 London Agencies

Looking for the best London agencies to partner with? London is the UK’s leading agency hub housing the minds of some of the world’s most innovative marketing and advertising masterminds.

In this article, we’re showcasing 20 of London’s best marketing and advertising agencies. This list is comprised of agencies with a total client media spend of at least  £1545000.

Use this list as a guide to determine which agencies are managing the budgets and marketing technologies of major brands you want to secure ad dollars with. For access to these agencies decision-maker contact information and details on where their clients are spending ad dollars, request a free Winmo trial today.

1. Adam&EveDDB

Adam&EveDDB is a creative communications agency made up of people specializing in advertising, design, content, digital, media and social strategy. They believe in the power of big ideas that connect intimately with their audience.

 

Discipline: Advertising

Total Client Media Spend: £293.52M

Main Phone: 0207 258 3979

Address: 12 Bishops Bridge Road London, London W2 6AA England

Top Clients: Virgin Media, Samsung, Waitrose, Lloyds Bank, John Lewis, Aviva

 

2. AMV BBDO

AMV BBDO was voted #1 Creative Agency in the UK and #2 worldwide according to the WARC Creative 100. They believe in the power of creativity to drive a competitive advantage for their clients, and use data and insights to build large brand platforms that can be executed through any channel.

 

Discipline: Integrated

Total Client Media Spend: £573.05M

Main Phone: 020 3787 0100

Address: Bankside 3 90 Southwark St London, London SE1 0SW England

Top Clients: BT Group, Asda, Currys/PC World, Samsung, Ford Motor Company, Carphone Wharehouse

 

3. BBH London

BBH London believes the world’s most valuable brands are the ones that clearly stand out, as it’s what wins them shares and outpaces competitors. They apply BBH creativity across the customer journey for clients around the world.

 

Discipline: Advertising  

Total Client Media Spend: £323.57M

Main Phone: 020 7734 1677

Address: 60 Kingly Street London, London W1B 5DS England

Top Clients: Tesco Stores, Experian, Barclays Corporate Banking, Burger King, Audi UK

 

4. Blue 449

Blue 449 operates in 22 markets across 29 offices with just over 1300 employees. The open source media agency is one of the five brands of Publicis Media. Their open source philosophy means operating at the intersection of media, ideas, data, and technology to deliver inventive progress for clients.

 

Discipline: Media Buying & Planning

Total Client Media Spend: £266.06M

Main Phone: 020 7447 7500

Address: Middlesex House 34 – 42 Cleveland Street London, London W1T 4JE England

Top Clients: Asda, Currys/PC World, KFC, Carphone Wharehouse, Vision Express, Viking River Cruises

 

5. Carat UK

Owned by the Dentsu Aegis Network, Carat is powered by over 5,000 people working in 70 countries around the world. Carat is Europe’s largest media network and leads the industry in using media in new ways to deliver business value to its clients.

 

Discipline: Media Buying & Planning  

Total Client Media Spend: £290.72M

Main Phone: 020 7430 6000

Address: 10 Triton Street Regent’s Place London, London NW1 3BF England

Top Clients: Santander UK, Cadbury, Arla Foods, Lionsgate Films, Debenhams, Wickes, Microsoft

 

6. Essence

Essence, part of GroupM, is a global data and measurement-driven agency whose mission is to make advertising more valuable to the world. The agency is more than 1,700 people and deploys campaigns in 106 markets.

 

Discipline: Digital  

Total Client Media Spend: £251.89M

Main Phone: 020 7758 4200

Address: UK House 180 Oxford Street London, London W1D 1NN England

Top Clients: BT Group, EE, Pixel Phone, Google, Nokia, Nandos

 

7. Karmarama

Karmarama is the UK’s most progressive creative agency now partnered with Accenture Interactive. They combine creative excellence with technology-inspired solutions in order to help clients with their business challenges and plan for new business opportunities.

 

Discipline: Integrated  

Total Client Media Spend: £369.6M

Main Phone: 020 3301 2000

Address: 20 Farringdon Road London, London EC1M 3HE England

Top Clients: BT Group, Lidl, Confused Com, Plusnet, Halfords, First Direct

 

8. Leo Burnett

Part of Publicis Communications, Leo Burnett Worldwide is one of the world’s largest agency networks with 85 offices and more than 8,000 employees. The agency believes creativity, data, and technology work together to transform human behavior and drive prosperity for its clients.

 

Discipline: Advertising  

Total Client Media Spend: £218.74M

Main Phone: 020 7751 1800

Address: 40 Chancery Lane London, London WC2A 1JA England

Top Clients: McDonald’s, Iceland- Food & Drink, Lenor Fabric Softener, Betfair, Ariel, Paddy Power

 

9. Manning Gottlieb OMD

As part of a global OMD Network of 11,000+ people in over 135 offices, Manning Gottlieb OMD delivers insights that unlock demand potential and ignite results that accelerate business growth for its clients.

 

Discipline: Integrated

Total Client Media Spend: £363.56M  

Main Phone: 020 7908 3400

Address: 90-100 Southwark Street London, London SE1 0SW England

Top Clients: Virgin Media, Specsavers Opticians Group, Waitrose, John Lewis, Sony Pictures

 

10. MediaCom UK

MediaCom is a team of 8,000 people in 125 offices in 100 markets. In 2018, they became the first network to hold all six major Media Network of the Year titles including Adweek, Campaign, Cannes Lions, Festival of Media Global, M&M Global and WARC Media 100. Their success is reliant on their “People First, Better Results” approach that if they invest in people they can deliver better results for their clients.

 

Discipline: Media Buying & Planning

Total Client Media Spend: £1.19B

Main Phone: 020 7158 5500

Address: 124 Theobalds Road London, London WC1X 8RX England

Top Clients: Skydigital, Tesco Stores, DFS, Walgreens Boots Alliance, British Gas, Sky, Universal Pictures, eBay  

11. Mindshare UK

The Mindshare network consists of 116 offices in 86 countries, each dedicated to forging competitive market advantage for businesses and their brands. Mindshare is part of GroupM, which oversees the media investment management sector for WPP, the world’s leading communications services group.

 

Discipline: Media Buying & Planning

Total Client Media Spend: £467M

Main Phone: 020 7969 4040

Address: Central Saint Giles One St Giles High StreetLondon, London WC2H 8AR England

Top Clients: Marks & Spencer, 20th Century Fox, THree, Legal & General, Ford Motor Company, Dyson

 

12. Ogilvy UK

Ogilvy is an award-winning integrated creative network that makes brands matter for Fortune Global 500 companies as well as local businesses across 131 offices in 83 countries. The agency creates experiences, design, and communications that shape every aspect of a brand’s needs.

 

Discipline: Integrated

Total Client Media Spend: £212.07M

Main Phone: 020 3193 3000

Address: Sea Containers 18 Upper Ground London, London SE1 9RQ England

Top Clients: Vodafone, Walgreens, British Airways, Hellmann’s, Philips Range, Dove Haircare

 

13. OMD UK

As part of a global OMD network of 12,000 people in over 100 countries, OMD UK combines innovation, creativity, empathy, and evidence to make better decisions on behalf of their clients. They are a dynamic creative and influential agency network that collectively combines to make OMD Adweek’s Global Media Agency of the Year 2019.

 

Discipline: Integrated

Total Client Media Spend:  £515.86M

Main Phone: 020 3023 4500

Address: Minerva House 1-4 North Crescent London, London WC1E 7ER England

Top Clients: McDonald’s, Lidi, Barclays Corporate Banking, Apple iPhone, Channel 4-TV, Pixel Phone

 

14. PHD Media

PHD UK is part of a growing global network which has more than 6,000 employees in over 100 offices across the world. Their honors include becoming a Top 5 agency in the UK and being named the UK’s Media Agency of the Year eight times. They plan, buy and measure media to help clients utilize all channels available to them.

 

Discipline: Media Buying & Planning

Total Client Media Spend: £470.82M

Main Phone: 020 7446 0555

Address: Five North Crescent Chenies Street London, London WC1E 7PH England

Top Clients: Confused Com, Sainsbury’s Argos, Warner Bros, Experian, Macmillan Cancer, HSBC, Expedia

 

15. Starcom

As a world-renowned media communications agency, Starcom believes the alchemy of people and technology creates experiences people love, and actions brands need. With more than 5,000 employees worldwide, Starcom partners with the world’s leading marketers and new establishment brands.

 

Discipline: Integrated  

Total Client Media Spend: £429M

Main Phone: 020 7190 8000

Address: 63 Turnmill Street London, London EC1M 5RR England

Top Clients: Lidl, Samsung, Oral B, Dreams Bed Superstores, Always, Lenor Fabric Softener

 

16. The7stars

The7stars is the UK’s largest independent media agency, producing award-winning work that’s designed to deliver the best value with complete transparency. They’ve been crowned Media Agency of the Year three times by both Media Week and Campaign Magazine.

 

Discipline: Media Buying & Planning

Total Client Media Spend: £256.54M

Main Phone: 020 7436 7275

Address: Floor 6-9, Bush House West Wing London, London WC2B 4PJ England

Top Clients: Iceland- Food & Drink, Gala Casinos, Capital One, Ladbrokes Coral Group, Healthspan, Nintendo Switch

 

17. VCCP

VCCP is an international integrated communications agency, transforming the fortunes of clients by challenging and disrupting the categories they operate in. The agency works on the principles of simplicity, collaboration, and integration around ideas.

 

Discipline: Integrated

Total Client Media Spend £218.46M

Main Phone: 020 7592 9331

Address: Greencoat House Francis Street London, London SW1P 1DH England

Top Clients: O2, Macmillan Cancer, Nationwide Insurance, Cadbury, Domino’s Pizza, Easyjet

 

18. Wavemaker London

Wavemaker has 8600 employees across 90 countries worldwide working to reinvent the modern media agency. Wavemaker delivers next-generation solutions for their client’s challenges. They spot problems and opportunities and turn them both into growth using leading-edge solutions at the intersection of media, content, and technology.

 

Discipline: Media Buying & Planning

Total Client Media Spend: £681.64M

Main Phone: 020 7803 2000

Address: Sea Containers 18 Upper Ground London, London SE1 9ET England

Top Clients: Vodafone, Morrisons, Bank of Scotland, B&Q, L’Oreal, Netflix, Nivea Body Care, Nationwide Insurance

 

19. Wunderman Thompson

Wunderman Thompson is a creative, data and technology agency built to inspire growth for ambitious brands. The agency uses breakthrough creativity to help their clients succeed and encourages them to resist the ordinary.

 

Discipline: Integrated

Total Client Media Spend: £248.29M

Main Phone: 020 7611 6333

Address: Greater London House Hampstead Road London, London NW1 7QP England

Top Clients: BT Group, EE, Samsung, Ikea, HSBC, Microsoft, Purina, Save the Children, Shell

 

20. Zenith

Zenith is an ROI agency that blends data, technology, and brilliant specialists to scout out new opportunities and solve complex challenges, allowing them to effectively grow their client’s businesses. Zenith is a part of Publicis Media and has over 6,000 specialists across 95 markets.

 

Discipline: Media Buying & Planning

Total Client Media Spend: £362.91M

Main Phone: 020 7961 1000

Address: Fifth Floor, Two Television Centre 101 Wood LaneLondon, London W12 7FR England

Top Clients: National Westminster Bank, Aviva, Birds Ete, Scholl, E1 Home, Purina, Vanish

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