Senior Account Manager (UK) in City of Westminster

About Client Services at Greenpark

We are independent and growing.

There is more of a commercial mindset needed in Client Services here than in some agencies, but the role is still focused on delivering great work and great relationships with clients.

Good Client Service and account management at Greenpark is about driving and sustaining client work, connecting workstreams to deliver the best work, ensuring client satisfaction and maintaining strong commercial principles.

We aren’t perfect and we’ll make mistakes – but we’ll learn from them, work together and always find a way to drive things forward.

• What you’ll do
• Client Communications
• Actively lead weekly status calls, ensuring comprehensive notes are taken, consolidated across the internal team, and promptly shared with the client after each meeting.
• Respond to all client emails in a timely manner, proactively discussing any channel-specific issues with the relevant delivery teams.
• Take ownership of day-to-day communication with the client, addressing issues or concerns directly and effectively, including managing expectations on timelines (with support from the PM) and delivering feedback clearly and concisely.
• Collaborate closely with the CS Lead to manage communications around new opportunities, channel expansions, and strategic direction, always working as one team to achieve shared outcomes.
• Proactively keep your CS Lead informed of all key client updates, emerging issues, and decisions made, ensuring alignment and enabling them to support you effectively.
• Client Relationships
• Build and maintain strong working relationships with assigned client contacts, ensuring regular contact beyond formal meetings and taking a genuine interest in clients as individuals.
• Open conversations by asking about their day, week, or weekend rather than jumping straight into work, allowing you to listen, understand their concerns, identify successes, and uncover stressors where Greenpark could assist.
• Be curious about what success means for your clients in their day-to-day role and within the Greenpark partnership, identifying opportunities to bring added value to the relationship.
• Strategic Thinking
• Act as a Strategic Navigator, collaborating with the CS Lead and Strategy team to support the development of robust strategies that directly meet clients’ objectives and KPIs, requiring a deep understanding of the client's business context.
• Support the CS Lead in extracting the right information from the client to inform clear briefs, including aligning with the Strategy team during briefing sessions and rigorously reviewing the Better Brief Checklist to ensure briefs are usable and actionable.
• Contribute to strategic discussions by identifying what’s performing well and where budget should be allocated, highlighting underperforming areas and recommending controllable improvements, supported by data, analytical insights, and market trends.
• Identify when performance is affected by client-side issues and work with clients to adjust targets accordingly, helping them understand the impact.
• Progress from supporting the CS Lead and Strategy team in executing strategy to contributing to its development, building your understanding of how individual strategies align with the client's wider business objectives.
• Adapt your analytical and strategic approach to meet both client needs and internal team dynamics, driving the best outcomes for clients and Greenpark.
• Forecasting & KPIs
• Develop your understanding of how success is defined and measured across your accounts, working closely with your CS Lead and relevant department specialists.
• Contribute to the creation of clear KPIs from client objectives, ensuring they are reflected in briefs, reporting, and campaign reviews by asking the right questions and building confidence in forecasting and performance tracking.
• Interpret KPIs to understand what good performance looks like, identify underperformance, and recognise when action or escalation is required.
• Look beyond the numbers to understand the wider business context and communicate insights in a way that drives action.
• Build confidence in forecasting and KPI discussions, positioning yourself to take a more active role in performance planning over time.
• Finance
• Support the CS Lead in ensuring the 4MF is up to date ahead of the weekly meeting.
• Work with the PM team to maintain budget and invoice trackers for each client, updating them at the end of each month to ensure accurate financial records.
• Ensure all client purchase order numbers are received before month-end to support efficient billing.
• Liaise with Finance on any client billing issues, such as late payments, and notify them when monthly billing has been completed.
• Team Development & Culture
• Support and mentor junior team members and new starters on assigned accounts, providing guidance, feedback, and contributing to their development.
• Share and present client work and updates with the Client Services team and, where relevant, the wider agency.
• Actively seek feedback and guidance from your CS Lead and senior colleagues, demonstrating a commitment to continuous learning and development.
• Contribute positively to a team culture that reflects Greenpark's values.

About you

• 2-3 years’ experience, ideally within a digital or social or network agency
• Working knowledge of Digital, Search and Social channels
• Strong interest in digital media, AI, paid and owned content, social and influencer marketing, with examples to demonstrate
• Highly organised with strong attention to detail and reliable follow-through
• Confident communicator, both written and verbal, with a professional and positive approach. Being able to work with clients from different backgrounds / cultures
• Collaborative team player who remains calm, curious and solution-oriented under pressure
• Proactive, self-starter mindset with the curiosity and drive to take ownership and make things happen (we’ll support your development)

All applications shall be considered for employment without regard to race, ethnicity, religion, gender, sexual orientation, gender identity, age, neurodivergence, disability status or any other protected characteristics.

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