Client Growth Manager in London

Location: London Office Hybrid (3 times per week)

Reporting To: Head of Growth

About Tag Worldwide: Tag has been the trusted production partner for brands worldwide for over 50 years, helping them achieve their business goals across borders and cultures. With 2,700 experts in 29 countries, we are a global team of collaborators, innovators, and motivators. We pride ourselves on fostering inclusive, empowering environments where individuality is celebrated, and everyone feels safe and supported. By embracing diversity of thought, experience, and expertise, we maximise potential for both our people and clients. As part of dentsu Group since June 2023, Tag combines its unparalleled expertise in delivering personalised, omnichannel content with dentsu’s innovation and technology infrastructure. Together, we solve clients’ toughest challenges, creating transformative solutions that drive marketing effectiveness and efficiency across the customer journey. Tag respects individuality and the power of collaboration, turning big ideas into impactful results.

Role overview: The Client Growth Manager is a key member of the EMEA Growth Team, responsible for developing integrated content and production solutions that drive commercial growth across both Tag-only and dentsu-integrated opportunities. This role combines strategic problem solving, client partnership, and commercial awareness, ideal for someone with a solid strategy/planning foundation looking to step into a broader growth-focused position.

Key Responsibilities:

• Solution Development: Support in the creation of tailored, integrated solutions that address client needs and business challenges. Build trust through consultative problem solving and confident articulation of Tag’s capabilities. Ensure solutions reflect best practice across content, creative, technology, and production.
• Pitch & Proposal Leadership: Support and occasionally lead the development of pitch materials, proposals, RFIs/RFPs/RFQs and case studies. Ensure all content is high quality, on brand, and delivered on deadline. Partner with bid support teams to maintain consistency and accuracy across submissions.
• Subject Matter Expertise: Act as a knowledgeable internal resource on integrated production, working with subject matter experts across the Tag and dentsu networks. Maintain a strong understanding of the creative, content, media and CxM landscape, enabling credible recommendations.
• Client Leadership: Be a contact for client requests requiring out-of-scope or new workstream development. Build strong senior client relationships that lead to incremental growth opportunities. Understand client objectives and translate them into commercially viable solutions.
• Strategic Planning: Support Tag and Dentsu's client teams in the development of proactive growth opportunities. Contribute to client growth plans and account strategies, identifying opportunities to expand our footprint.
• Cross Team Collaboration: Work closely with Account Leads, Managing Directors, Strategy, Creative, Operations, Legal, Tech, and Finance teams to shape integrated solutions. Ensure strong alignment and communication across internal stakeholders.
• Market & Industry Insight: Stay abreast of category trends, competitor activity and emerging technologies to inform recommendations and strengthen our commercial position.
• Presentation & Communication: Confidently present Tag’s thinking, capabilities, and solutions to both internal stakeholders and clients. Build strong relationships across dentsu to drive genuine collaboration.

Skills & Experience Required:

• Strong communication with excellent written and verbal skills.
• Solid experience in planning/strategy, client development, or hybrid roles within a media, creative or integrated environment (~4–5 years).
• Ability to manage multiple stakeholders and workstreams across complex organisations.
• Confident problem solver who can evaluate creative and strategic output.
• Strong organisational skills; able to manage deadlines and pressure.
• High attention to detail and a proactive, self-starter mindset.
• Proven experience collaborating with creative, design, production or cross-functional teams.
• Ability to build trusted client relationships.
• Demonstrates discretion and confidentiality at all times.
• Consistent delivery of high quality work that meets or exceeds expectations.

Key Performance Metrics:

• Quality of Strategic & Commercial Output: Delivery of high quality proposals, briefs, pitch materials, and strategic recommendations that meet internal standards and strengthen our growth narrative.
• Effective Cross Team Collaboration: Strong collaboration with internal teams, ensuring efficient workflows and well-coordinated solution development.
• Proactive Contribution to Growth Opportunities: Consistent identification and articulation of proactive ideas, insights, and potential opportunities that support the growth team’s objectives.
• Operational Excellence & Process Discipline: Reliable management of deadlines, documentation, and processes.