Senior Client Partnerships & Growth Director

Digital Agency Jobs; Tendring; Hybrid; GBP 65,000 - 95,000; Full time

Benefits offered by this job

Dog-friendly offices

Unlimited coffee, drinks, and snacks

Flexible time off

Office lunches

Branded company swag

Access to industry events and learning

Job summary

AntiSocial is seeking a senior Client Services leader to own and grow key accounts, lead integrated client engagements, and mentor a high-performing team. You will align strategy with creative and production across Thinkingbox and The Heist, driving revenue opportunities while balancing client objectives and commercial realities.

You will navigate fast-paced, entrepreneurial agency environments, maintaining strong relationships with senior clients and cross-disciplinary teams to deliver

Qualifications

• Significant experience in client services, account management, business leadership, or a similar role within an agency environment.
• Experience leading large, complex, and integrated client relationships.
• Strong knowledge of social marketing, with an understanding of how social connects with broader brand, creative, content, production, media, and experiential work.
• A proven ability to build trusted relationships with senior and executive-level clients.
• Experience growing existing accounts and identifying new revenue opportunities.
• Strong commercial acumen, including experience managing scopes, budgets, retainers, profitability, and resourcing.
• Experience leading, mentoring, and developing account or client-services teams.
• Excellent presentation, communication, negotiation, and relationship-management skills.
• The ability to move comfortably between high-level strategic conversations and the details required to keep complex work moving.
• A collaborative leadership style and the ability to bring together different disciplines around a shared goal.
• Comfort working in a fast-paced, entrepreneurial agency environment where priorities can evolve quickly.
• A genuine interest in culture, creativity, social media, emerging platforms, and how brands connect with audiences.

Responsibilities

• Serve as a senior point of contact and trusted strategic partner for key client relationships.
• Build strong, long-term relationships with senior client stakeholders, developing a deep understanding of their businesses, objectives, challenges, and opportunities.
• Lead complex client conversations with confidence, including strategic recommendations, creative presentations, scope discussions, challenges, and difficult conversations when required.
• Ensure clients consistently feel supported, informed, and confident in the work and partnership.
• Anticipate client needs and proactively bring forward ideas, solutions, and opportunities.
• Own the health and growth of key accounts, identifying opportunities to expand relationships across capabilities.
• Partner with leadership to develop account growth plans and support broader new-business initiatives.
• Identify opportunities for organic growth and help convert those opportunities into meaningful revenue.
• Maintain a strong understanding of account scopes, budgets, profitability, resourcing, and commercial performance.
• Partner closely with Finance, Production, and agency leadership to ensure accounts are structured and managed sustainably.
• Contribute to pitches, proposals, presentations, and new-business opportunities as needed.
• Lead integrated engagements from initial brief through strategy, creative development, production, execution, and reporting.
• Partner with Strategy, Creative, Social, Production, Media, and other disciplines to deliver cohesive, high-quality work.
• Ensure projects remain aligned on scope, timing, budget, quality, and client expectations.
• Remove roadblocks, solve problems, and help teams navigate complex or fast-moving client environments.
• Champion ambitious creative thinking while balancing client objectives and commercial realities.
• Lead, mentor, and develop members of the Client Services team, creating clear expectations and opportunities for growth.
• Build a strong culture of accountability, collaboration, curiosity, and excellent client service.
• Provide regular coaching and feedback to help team members strengthen their strategic, commercial, and relationship-management skills.
• Help structure account teams and resourcing to support both client needs and team sustainability.
• Partner with senior leadership on hiring, performance management, career development, and succession planning within Client Services.
• Act as a senior leader within AntiSocial's Los Angeles office and contribute to the overall direction and growth of the agency.
• Help evolve Client Services processes, tools, standards, and ways of working as the business continues to grow.
• Foster strong collaboration across AntiSocial, Thinkingbox, and The Heist.
• Represent the agency confidently with clients, partners, prospects, and the broader industry.
• Stay close to shifts in social, digital, culture, technology, creators, and consumer behaviour, bringing relevant insights back to clients and internal teams.

Skills

Client services

Account management

Business leadership

Social marketing knowledge

Relationship management

Communication

Negotiation

Presentation

Team leadership

Job description

AntiSocial is seeking a senior Client Services leader to own and grow key accounts, lead integrated client engagements, and mentor a high-performing team. You will align strategy with creative and production across Thinkingbox and The Heist, driving revenue opportunities while balancing client objectives and commercial realities.

You will navigate fast-paced, entrepreneurial agency environments, maintaining strong relationships with senior clients and cross-disciplinary teams to deliver