Senior Account Manager (Digital Marketing) in London

We’re looking for a commercially minded Senior Account Manager to take a leading role across our growing client portfolio. This is a key position for a strategic thinker who can manage omni-channel accounts end-to-end, support junior talent, and drive meaningful business growth; both for our clients and for CEEK.

This role is ideal for someone who thrives at the intersection of strategy, creativity, and commerce; a confident marketeer who brings energy, accountability, and a genuine passion for digital to everything they do.

About CEEK:

CEEK is a dynamic, omni-channel digital agency that partners with forward-thinking brands across industries to forge meaningful connections through digital channels. Our culture is collaborative, innovative, and team-first, where curiosity, accountability, and results-driven action are at the core of everything we do. We are dedicated to creating an inclusive environment where our people are empowered to do their best work and grow their careers. At CEEK, we operate with a +1 mentality, this involves value-adding action beyond what’s expected, and this commitment to going further is a defining part of working with and at CEEK.

What You’ll Be Doing:

• Client Leadership & Senior Account Management
  • Serve as the main point of contact for key accounts, supporting strong client relationships and building long-term, trusted partnerships.
  • Manage and oversee day-to-day delivery of campaigns across social, content, paid, and digital channels.
  • Ensure client goals are met and outcomes are measured effectively.
  • Proactively identify risks and opportunities within accounts, acting decisively to protect and grow client relationships.
• Partnerships, Influencers & Suppliers
  • Identify, develop, and manage strategic brand partnerships that amplify client campaigns and deliver incremental value.
  • Support in the development and management of our network of influencer & creator talent alongside the Head of Social & Creative.
  • Oversee supplier relationships including production partners, platform vendors, and third-party agencies, ensuring quality, value, and alignment with client objectives.
  • Negotiate partnership and influencer agreements, managing commercial terms, deliverables, and timelines with precision.
  • Evaluate partnership and influencer performance using data-driven insights, continuously optimising the approach to maximise ROI.
  • Ensure all partnerships and influencer activity is compliant with relevant advertising standards and platform guidelines.
• Strategy & Insight
  • Contribute to the development of integrated digital strategies that drive client growth and deliver real results.
  • Contribute to senior strategic conversations, bringing a point of view on platform trends, audience behaviour, and evolving best practices.
  • Translate data and performance insights into clear strategic recommendations, guiding both client and internal teams.
• Team Support & Mentoring
  • Mentor and develop more junior team members, supporting their growth and career progression.
  • Work closely with Heads of Department to align on priorities, resources, and quality standards across accounts.
  • Foster a collaborative and high-performance team culture, driving accountability while creating space for creativity and learning.
  • Lead by example; setting the standard for client communication, strategic thinking, and attention to detail.
• New Business & Commercial Growth
  • Play an active role in new business pitches and proposals, contributing strategic thinking and account leadership expertise.
  • Identify and convert opportunities for account growth, upsell, and cross-sell across the existing client portfolio.
  • Build and maintain a strong understanding of the commercial health of your accounts, managing scopes, budgets, and profitability.
  • Maintain a strong commercial acumen; keeping an eye on account commercials, forecasting, and growth potential.
  • Track and report on key account metrics both internally and to clients, articulating the value of our work clearly and confidently.

What We’re Looking For:

• 4+ years of experience in account management or client leadership within a digital, social, or creative agency environment.
• A proven track record of managing high-value, complex accounts and delivering strong commercial results.
• Deep knowledge of omni-channel digital strategy, including social media, content, and performance marketing.
• Exceptional communication and presentation skills; confident leading senior client conversations and pitching to new business prospects.
• Experience mentoring and developing junior team members, with a genuine commitment to people growth.
• A commercially-driven mindset with strong strategic and analytical thinking; able to balance big-picture thinking with attention to detail.
• A natural collaborator who builds strong relationships across clients, colleagues, and partners alike.
• Passion for digital; someone who stays ahead of platform updates, cultural trends, and industry developments.
• Experience supporting or leading new business pitches and proposals is highly desirable.
• Familiarity with paid social, SEO, and performance marketing is a strong bonus.

Why Join CEEK?

• Lead major social and digital accounts at a fast-growing, digital-first agency.
• Work with exciting, forward-thinking brands across a diverse portfolio of omni-channel accounts.
• A genuine opportunity to shape the agency; influence how we work and how we grow.
• Be part of a collaborative, curious, and high-energy agency culture that rewards initiative and celebrates results.
• Exciting team events and trips including “CEEK WEEK” our annual retreat.
• Opportunities for progression and development, and a team that’s invested in your success.