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Dentsu Sports International Logo

Senior Client Manager

  • London, UK
  • Full time
  • Competitive
  • 9th November 2025
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Full Description

Job Description:

Dentsu is an integrated growth and transformation partner to the world’s leading organizations. Founded in 1901 in Tokyo, Japan, and now present in over 145 countries and regions, it has a proven track record of nurturing and developing innovations, combining the talents of its global network of leadership brands to develop impactful and integrated growth solutions for clients. Dentsu delivers end-to-end experience transformation (EX) by integrating its services across Media, CXM and Creative, while its business transformation (BX) mindset pushes the boundaries of transformation and sustainable growth for brands, people and society.

MKTG Sports & Entertainment is an important part of our world-class offering. MKTG Sports & Entertainment is a global integrated agency that harnesses the power of sports and entertainment to impact human behaviour through meaningful marketing solutions and experiences. Our key differentiator is “knowing people better than anyone else” and using deep consumer insights to establish powerful connections between sports properties and brands.

Across strategy, measurement, content, hospitality and events, we connect the sports and entertainment industry and companies around the work to deliver meaningful marketing solutions and experiences that are truly differentiated. The experiences that we create engage customers, build memorable brands and deliver value.

We are part of Dentsu Sports International, a global sports network comprised of MKTG Sports + Entertainment, dentsu Sports Analytics and dentsu Sports.

We’re hiring for a Senior Client Manager as part of our Sponsorship & Consultancy Team in London.

Purpose of the Role

As Senior Client Manager of sponsorships and partnerships, you’ll work on delivering and implementing some of the most exciting collaborations in sport and entertainment and specifically Formula 1.  You’ll be responsible for leading and managing the EMEA client relationships, activation plans, projects and client servicing team across an exciting global F1 sponsorship and other sports.

You’ll provide support and assistance in managing the client’s business and to keep day to day activities running smoothly. Supporting the wider team in delivery on accounts, managing the capabilities and team to ensure on-time delivery and excellence in execution. 

Key Responsibilities

  • Take ownership and accountability for client/account fees and activation budgets, understanding and reporting on the commercials of your client responsibilities. 
  • Oversee and direct the client team to effectively and efficiently manage retained client work and project work. Including but not limited to; race day planning, management of at track branding, merchandise, at and off-track events, programme planning across social, ambassador, PR, on ground activations, show car and gaming rig assets, working with clients to ensure their deliverables are met and much more.
  • Support the Directors with the management of resource and workloads across the team on designated projects, ensuring that timesheets for self and direct reports are completed on time and accurately.
  • Support new biz function by participating in new client proposals and pitch processes and look to build opportunities from current client and new clients from across the business. Pulling together proposals and costings for small to mid-size projects with support from Directors.
  • Participate in regular thought leadership in written, presentation and verbal format including representing the agency at webinars and conferences and seek opportunities to do so.  

Qualifications + Skills

  • Experience working with in motorsport and specifically Formula 1 is essential in this role.
  • Experience in marketing either agency side, client side or with a rights holder working on sport sponsorships and activation programmes.
  • Technical knowledge of sponsorships and partnership marketing, as well as attention to detail and drive to manage and develop existing activation programmes.
  • Possesses the strategic thinking needed to develop campaigns, activations and integrated marketing solutions.
  • Thrive in managing projects and enjoy working on sports/events and like to be part of a close-knit team.
  • A strategic and logical thinker who can provide council to our clients and suppliers in delivering best in class solutions and client service excellence.
  • Acumen to look at business performance for our clients and how this can be measured to make sponsorship assets more accountable

What we offer

  • This is a permanent role.
  • The team is based in our London office but operates under flexible working arrangements. The team are currently working in a hybrid manner with presence in the office required two to three days per week.
  • As well as a competitive salary, you’ll enjoy a benefits package that you can tailor to your needs.

Inclusion and Diversity

At Dentsu, we embrace diversity and inclusion, valuing the unique perspectives and contributions of every individual. We believe that diversity fuels creativity and innovation, benefiting our employees, partners, and communities.

We welcome applications from all individuals, regardless of race, ethnicity, nationality, religion, gender, gender identity, sexual orientation, age, disability, marital status, or any other protected characteristic. Beyond recruitment, we strive to create an environment where everyone feels respected, supported, and empowered to bring their authentic selves to work.

#LI-Hybrid

#LI-MKTG  

Location:

London

Brand:

Mktg Sports

Time Type:

Full time

Contract Type:

Permanent

The organisation

Dentsu Sports International Logo
Dentsu Sports International
  • Agencies
  • Tokyo, Japan
  • 250-2000 employees
  • Website

We help brands and properties move at the speed of fans.

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