Client Manager

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At Sponge, our Client Managers are strategic partners, growth drivers, and trusted advisors to some of the world’s most recognisable brands. You’ll be expected to shape your client brand portfolio through a consultative approach; this is not passive account management. You’ll balance intelligent account development with a sharp eye for new business. That means identifying and landing new logo opportunities while expanding and deepening existing client relationships. You’ll thrive in ambiguity, be comfortable with autonomy, and bring a strong point of view into every conversation.
Success in this role is measured not only by revenue, but by your ability to influence, adapt, and build lasting client partnerships built on trust and strategic value.

Job Description

At Sponge, our Client Managers are strategic partners, growth drivers, and trusted advisors to some of the world’s most recognisable brands. You’ll be expected to shape your client brand portfolio through a consultative approach; this is not passive account management. You’ll balance intelligent account development with a sharp eye for new business. That means identifying and landing new logo opportunities while expanding and deepening existing client relationships. You’ll thrive in ambiguity, be comfortable with autonomy, and bring a strong point of view into every conversation.
Success in this role is measured not only by revenue, but by your ability to influence, adapt, and build lasting client partnerships built on trust and strategic value.

Job Requirements

This Role Would Suit Someone Who...
• Enjoys the challenge of strategic growth in complex, fast-moving client environments.
• Is commercially sharp, but values long-term impact over short-term wins.
• Has the confidence to engage senior stakeholders and the curiosity to truly understand their world.
• Isn’t afraid to get stuck into new business, whether that’s cold opportunities or warm referrals.
• Thrives in a collaborative environment. You’re competitive, but also a natural cheerleader for team success.
• Brings consistent energy, positivity, and a can-do mindset even in ambiguity or pressure
• Thinks like a consultant, acts like a partner, and delivers like a salesperson.

This Role Would Not Suit Someone Who...
• Prefers transactional account management or a highly structured, predictable workflow.
• Waits to be briefed rather than seeking out opportunity.
• Is uncomfortable navigating senior stakeholder relationships or large, matrixed organisations.
• Avoids outbound engagement or isn’t motivated by new business.
• Values individual success rather than team culture or struggles to celebrate others’ success.
• Struggles to flex between strategic planning and rolling up their sleeves to make things happen.

What You’ll Bring
• A strong track record of revenue growth in a consultative sales or account management role.
• Experience working with global enterprise clients, ideally in an agency or professional services context.
• Comfort engaging with senior stakeholders (up to C-suite) in complex, non-linear buying cycles.
• A natural ability to blend commercial acumen with creative problem-solving.
• Fluency in account planning, pipeline building, and value-led storytelling.
• A collaborative spirit. Energised by shared wins, always willing to support colleagues, and motivated by the success of the wider team.
• A proactive, entrepreneurial mindset. Comfortable with opening as well as growing accounts.

Job Responsibilities

Key Responsibilities
• Own and expand strategic client relationships, with a focus on long-term value creation.
• Design and deliver intelligent account plans grounded in insight and measurable Impact.
• Consistently meet and exceed revenue targets through a mix of expansion, cross-sell, and new logo opportunities.
• Actively contribute to Sponge’s new business efforts—leading pursuits, opening doors, and building early- stage trust.
• Act as a trusted advisor. Bringing market knowledge, innovation, and a challenger mindset to every interaction.
• Lead client relationships through production cycles. You protect commercial interests while championing client objectives and upholding Sponge’s standards across delivery.

Job Benefits

Be you, with us!
At Sponge, we are all different. And that’s what makes us great! We hire talented people with different and diverse backgrounds, stories, and perspectives not just because it’s the right thing to do, but because it makes us stronger.

We are actively working and committed to increasing diversity in our teams and management positions. It’s our ambition to create an inclusive environment where we canallbe ourselves together.
What’s next?
If this sounds like you, then you’re on your way to joining a forward-thinking industry leader and a team of like-minded, exceptionally talented people. Simply send us your CV, and we will be in touch.

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Location:
United Kingdom
Salary:
£60,000 - £80,000
Job Type:
FullTime
Category:
Sales