Senior Account Manager

Havas; Greater London; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

One Green Bean, part of the Havas network, is seeking a Senior Account Manager in London. The role involves owning major accounts, driving strategic conversations, and leading multi-channel campaigns across PR, social, and influencer channels.

You will mentor junior team members, manage client expectations, and help grow client partnerships while maintaining high standards of creativity and commercial impact.

Qualifications

• Experience at Senior Account Manager level within a PR, social or integrated communications agency.
• Proven track record of managing complex, multi-channel campaigns for consumer brands.
• Experience leading and mentoring junior team members in a fast-paced, creative environment.

Responsibilities

• Lead day-to-day client relationships, providing strategic counsel and identifying growth opportunities.
• Oversee multi-channel campaigns across social, PR, influencer, and content, ensuring strategy aligns with execution.
• Mentor Account Executives and Managers to help them grow and deliver high-quality work.
• Lead reporting across channels, turning data into actionable insights and managing budgets and profitability.

Skills

Strategic thinking

Client management

Leadership

Mentoring

Campaign delivery

Job description

## Senior Account ManagerApply: Hybrid: London: Full time: Posted Today: End Date: October 31, 2026 (30+ days left to apply): JR0100105**Agency :**One Green Bean**Job Description :**One Green Bean Senior Account Manager Location:London Reports to:Account Director**About One Green Bean**A comms agency with ambitions to be one of the most creative companies in the world. While we specialise in PR, social, influencer and events, our focus remains on ideas that change the game.We believe brands can be entertaining while adding value to the lives of their customers if they have the right partner agency who delivers creative ambition with attention to detail. These are the two points most important to us.Our independently minded business is part of Havas; a 22-location-strong holding company that shares our values. **Our Values** **See It Through****Step Up and Stay Close****Trust Your Judgement and Act with Courage****Bring Authenticity and Joy** Are you a creative problem solver? If you've ever made a world book day costume, planned a surprise party or have a passion for the creative world around us, OGB might just be a place for you. **The Role**You're a strategic force, a client champion, and a guiding light for junior team members. You own significant accounts, drive strategic conversations, and consistently unearth growth opportunities. ***Your mission:** Elevate client relationships to true partnerships, develop holistic account strategies, and consistently deliver against ambitious targets, setting the standard for excellence.* We're looking for a Senior Account Manager who brings strategic thinking, creative ambition, and exceptional leadership to every client relationship. You'll oversee multi-channel campaigns, mentor rising talent, and ensure every piece of work meets our exacting standards for creativity, cultural relevance, and commercial impact. **Experience & Skills**As a Senior Account Manager, you should routinely provide leadership in the following areas: **Client Management & Strategic Counsel**· Lead day-to-day client relationships, providing strategic counsel, managing expectations, and proactively identifying opportunities for growth and upselling· Lead executive-level client discussions, challenging assumptions and providing incisive, data-driven counsel that directly impacts their business objectives· Identify emerging trends and insights to bring proactive value to clients, positioning yourself as an indispensable strategic partner· Oversee and mentor Account Managers and Executives in their client relationship development, providing expert guidance on negotiation, conflict resolution, and strategic client communication **Campaign Delivery & Project Leadership**· Oversee multi-channel campaigns across social, PR, influencer, and content, ensuring alignment between strategy, creative, and execution· Partner with strategy and creative leads to shape briefs, refine ideas, and ensure work ladders up to brand, audience, and cultural insights· Proactively identify and mitigate potential risks or challenges in campaign execution, devising strategic solutions and escalating critical issues to Account Directors when necessary· Mentor and guide junior team members on best practices for project management, timeline adherence, budget control, and quality assurance **Cultural Intelligence & Market Awareness**· Bring platform fluency, creator knowledge, and cultural awareness to every conversation and recommendation· Demonstrate genuine curiosity about consumer culture, current events, and the digital landscape, with the ability to identify and leverage trends· Position One Green Bean as a thought leader by consistently bringing forward fresh, relevant cultural observations that enhance client brand reputation and market positioning **Performance, Analytics & Financial Management**· Lead reporting across channels, turning data and cultural signals into actionable insights for clients· Review creative, content, and PR materials to ensure they meet strategic objectives and agency standards· Own scopes, budgets, forecasting, and profitability, ensuring projects are delivered efficiently and sustainably· Mentor junior team members on best practices for data collection, analytical techniques, reporting methodologies, and the art of storytelling through performance insights **Team Leadership & Mentorship**· Mentor Account Executives and Account Managers, providing guidance, structure, and support to help them grow and deliver their best work· Foster a collaborative, high-performing team culture that reflects One Green Bean's values and creative ambition **Innovation & Advanced Skills**· Use predictive analytics to anticipate trends, reduce risks, and make informed decisions based on patterns in existing data· Drive ESG communications strategies that align with client values and emerging societal expectations· Lead AI optimisation initiatives to enhance campaign performance and operational efficiency· Transform complex data sets into compelling visual formats that make insights more accessible and actionable for teams and clients **Desired Experience**· Experience at Senior Account Manager level within a PR, social, or integrated communications agency· Proven track record of managing complex, multi-channel campaigns for consumer brands· Experience leading and mentoring junior team members in a fast-paced, creative environment· Strong understanding of earned media, social platforms, influencer marketing, and content strategy **Essential Skills and Behaviours**· Strategic thinker with a creative approach to problem-solving· Exceptional written and verbal communication skills· Strong commercial acumen and financial management capabilities· Ability to build trust and rapport with clients and internal teams· Proactive, solutions-focused mindset with excellent attention to detail· Passion for culture, creativity, and the evolving media landscape· Natural mentor who inspires and develops talent· Sense of humour and authentic approach to work #LI-AC2**Contract Type :**Permanent