Senior Account Manager/Account Director – Integrated Marketing (London)

About TEAM LEWIS

We are a global marketing agency that has gone from start-up to multi-national in little over three decades. Our success is due to a combination of factors: talented people delivering award winning campaigns; expanding client relationships into new markets or services; making strategic acquisitions. The agency, its people and client campaigns have won many prestigious awards, including Cannes Lions, PRovoke Media, ICCO, European Excellence, PRCA Digital, Digital Impact, Global Digital Excellence.

At the heart of the business is the TEAM LEWIS Foundation (TLF). A charitable entity, funded by TEAM LEWIS. The TLF makes grants to charitable organisations that promote social, cultural, economic and environmental causes. It aims to strengthen the bonds between the marketing industry, businesses, governments and non-profits. The TLF has supported over 2,000 causes. Community charities are championed by TEAM LEWIS’ employees, who volunteer their time and skills to maximise the grants’ effectiveness.

Purpose of the role

The Senior Account Manager/Account Director plays a key role with managing client relationships, ensuring the seamless delivery of integrated marketing programmes that drive business value. Acting as a key point of contact for clients and internal teams, they bring clarity, energy, and expertise to every engagement. They are responsible for aligning marketing strategy with client goals, nurturing account growth, and mentoring team members to deliver outstanding results. This is a hands-on team leadership position that requires commercial acumen, creative thinking, and strong operational execution.

Key responsibilities and tasks

• Maintains a consultative relationship with the client, acting as the key contact for all marketing services, defining deadlines and service agreements whilst ensuring these are met consistently by the team.
• Drives forward campaign activities from strategic goal setting through to execution, demonstrating impact of integrated campaigns and activities.
• Works closely with the client to regularly review account performance, identifying and communicating opportunities for additional services, across all activation channels.
• Drives the team to develop compelling and impactful content and campaigns for clients.
• Work with strategy and account leads to define client propositions and activation plans.
• Works with the client and wider TEAM LEWIS colleagues to ensure effective budget management.
• Plays an integral role in the new business process, helping to generate content and presentation preparation, in addition to attendance at pitches.
• Measures client growth and impact across the full spectrum of marketing channels.
• Communicates account performance internally, reports and provides strategic advice to the client based on measurable analytics.
• Uses analytical tools and services to generate insight, fuel conversation and optimise activities.
• Assist with the management of junior staff across multiple accounts and support their development.
• Stays up to date on best practices and current trends.
• Contributes and supports the continuous improvement of systems, practices and policies.

About you

You are strategic, client-centric with strong experience in managing and growing integrated marketing accounts – working closely with Senior Team Leads. You combine a commercial mindset with creativity and executional rigour. You have a deep understanding of how to bring multi-channel campaigns to life and deliver measurable impact for your clients. You’re as comfortable presenting to a CMO as you are mentoring a junior executive. You thrive in a fast-paced agency environment and bring positivity, confidence, and clarity to your team and clients.

You will have:

• Experience in an integrated marketing/advertising agency environment.
• Proven ability to lead and grow complex client accounts.
• Experience managing multi-disciplinary teams and delivering across channels, including organic social, website, paid media, event and influencer and content development.
• A proactive, consultative approach to client relationships and business growth.
• Exceptional communication, team leadership and presentation skills.
• Strong project and budget management abilities.
• Confidence in interpreting data and using insights to drive performance.
• Experience with both B2B and B2C clients is preferred.
• Paid social and content marketing experience is a plus.

This job description is not intended to be an exhaustive list of the responsibilities for this role. Other responsibilities may be added from time to time.

LEWIS is an Equal Opportunity Employer. We are committed to creating and fostering an environment focused on equality, empowerment and respect. We strive to create an inclusive workplace that supports and celebrates our diversity. We continue to invest in our efforts to ensure that LEWIS is a place where everyone can thrive.