Agencies and Businesses

A network like no other. GroupM’s Mindshare, MEC, MediaCom, Maxus and specialty service businesses like Xaxis and ESP are leading global operations in their own right, with distinct points of view about brand opportunities in the world around us.

"We believe that everything begins and ends in media."

Nick EmeryGlobal CEO, Mindshare

Mindshare is at the very heart of the most exciting business on the planet: media. More speed. More channels. Every aspect of human life has been transformed by changes in media. We're living in the most exciting period the world has ever seen. We're having fun with more words, pictures and stories than we could ever have dreamed.

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"We’re known for inspiring people and delivering exceptional growth-driving results."

Charles CourtierGlobal CEO, MEC

MEC is committed to growth - growth for our people, our clients and our industry. MEC pushes the boundaries of what’s possible in order to thrive in integrated planning and buying; content and brand partnerships, including sports entertainment and cause marketing; mobile, multicultural and performance marketing; ad operations; and analytics. Our 5,000 highly talented and motivated people work with category leading advertisers in 93 countries. 

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"We transform your communications thinking."

Stephen AllanGlobal CEO, Mediacom

MediaCom believes everything is connected and that means media agencies must think and operate in a new way. MediaCom is The Content + Connections Agency, shorthand for our unique approach to planning and buying across paid, owned and earned media which optimizes our clients' entire system of content and connections - not just individual channel silos. By focusing on the totality of out clients' communications, we are able to deliver step-changing media effectiveness improvements versus marginal performance gains. We call that transformng your business through systems thinking.

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"To win, brands needs to do much more than react to change; we help winners lean into change."

Lindsay PattisonGlobal CEO, Maxus

The newest of the GroupM agencies, Maxus was set-up in 2008 to take advantage of the opportunities created by the digital age and to help its clients 'lean into change'. Maxus prides itself on being a global network of local agencies, focused on large local business (BT, ABF in the UK, Tata in India, Telecom Italia in Italy) and handling several international clients such as L'Oreal, FCA, GSK, Barclays, UPS and Church & Dwight. Maxus Global employs over 2,500 people across 55 countries in 70 agencies worldwide. And, it has been the world's fastest growing media network for the last six years running (RECMA, 2014) and was named Campaign's Global Media Network of the Year 2011, Ad Week's US Agency of the Year 2011 and one of Ad Age's Agencies to Watch for 2012. 


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"We solve some of the toughest challenges of today’s digital marketing landscape with the world’s very best talent."

Christian JuhlGlobal CEO, Essence

Our mission is to make advertising more valuable to the world, because we believe that digital advertising done well is more meaningful and more effective.


We help some of the world’s most exciting brands earn relevant connections with their customers through experiences that are instantly captivating so consumers choose to spend time with their brand. Our insightful placements, innovative measurement and relentless optimization happen in a culture of complete transparency and accountability. Whether helping to build brands, or drive sales, we help our clients get the most from the rapidly evolving ecosystem. 

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"We solve audience fragmentation and cut through the clutter to deliver higher return for digital marketing investments."

Brian GleasonGlobal CEO, Xaxis

Xaxis is a global digital media platform that programmatically connects advertisers to audiences across all addressable channels. Through the expert use of proprietary data and advertising technology along with unparalleled media relationships, Xaxis delivers results for over 2,800 clients in 45 markets across North America, Europe, Asia Pacific, Latin America and the Middle East. Advertisers working with Xaxis achieve exceptionally high return on advertising spend through the company’s proprietary media products, as well as through its specialist companies, Light Reaction, Bannerconnect, and ActionX. For more information, visit

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"We deeply connect brands to consumer passions like sports to make fandom a tangible asset driving marketing objectives over the long term."

John Kristick

ESP Properties is an award-winning sports partnerships and promotion consultancy uniquely positioned at the intersection of media and marketing. Making brands resonate through inspiring multimedia entertainment and sports experiences, ESP specializes in identifying, developing, negotiating and managing strategic platforms and partnerships for brands with properties, events, talent or media partners. From sports to film, music and lifestyle affinities, ESP reinvents brand engagement with innovative multifaceted strategies that embed clients in consumer passions to create lifelong, authentic fans.


Part of ESP Properties, IEG is its thought-leadership brand with a 30 year heritage. IEG is the source for insights, trends, training and events via, the annual IEG conference, online publications, trend reports, surveys and webinars.

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"As the world’s first global meta-platform we provide real time media investment management across all programmatic and biddable media."

Rudiger WanckCEO Worldwide, GroupM Connect

Connect is GroupM’s consolidated digital agency platform. Being part of an increasingly real time world, the focus of Connect is to apply our leverage and scale to data, operations and technology across search, social, mobile, programmatic and all other biddable media. Operating CAPPS as our unique meta-system, Connect is able to provide truly holistic and agnostic real time media investment management across these new classes of digital media.


In addition to supporting GroupM’s media agencies Connect also operates a global, regional and local network of digital specialist businesses including CatalystQuismaGreenhouse GroupKeyadeMedialets, The Exchange Lab and H1


With more than 2,000 experts working in 50+ countries Connect provides real time advertising solutions on an unprecedented scale ensuring the best possible results for our media agencies and clients.


Modi Media is a U.S. based advanced television business. Working with companies across a wide technological and data driven spectrum, Modi connects brands to consumers in an addressable way, enabling GroupM's agencies to enable smarter targeting of consumers through television.

Midas Exchange is a consultative-focused media and asset trading firm that provides innovative, strategic marketing and financial solutions to business-savvy executives and their corporations.  Our position as a WPP company enables us to develop and execute transformative media and asset trading programs that deliver higher ROI and sales revenue for our clients and partners.  

U.S. based Catalyst is a leading search marketing agency comprised of the best search professionals in the world. Catalyst continually innovates new search solutions by questioning “why?” and then “why not?” The curiosity and passion at Catalyst means groundbreaking solutions for clients that fuel marketing results.