Client Services Manager

JR United Kingdom; Southampton; On-site; GBP 35,000 - 55,000; Full time

Job summary

A leading company in programmatic advertising seeks a detail-oriented Client Services Account Manager. You'll manage client relations, oversee campaigns, and drive strategic growth. Ideal candidates have strong digital media experience and a passion for developing impactful client relationships.

Qualifications

• 3+ years of client-facing experience in digital media or ad tech.
• Strong grasp of programmatic advertising and audience planning.
• Proactive and creative mindset with exceptional communication skills.

Responsibilities

• Manage day-to-day client relationships, ensuring strategic value.
• Lead campaign kick-offs and reviews with data-driven storytelling.
• Develop programmatic strategies aligned with client KPIs.

Skills

Client Management

Programmatic Advertising

Communication

Stakeholder Management

Problem Solving

Detail Orientation

Creative Thinking

Tools

Excel

PowerPoint

Outlook

Adobe

Notion

AI Tools

Job description

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Our client is a programmatic provider who are data fuelled, audience-obsessed and creatively charged. For over 10 years they have helped brands discover new customers and unlock incremental growth by combining rich behavioural insight with precision programmatic activation.

They're a close-knit team, with a collaborative culture, and a genuine passion for helping brands grow. They're now looking for a driven, detail-loving and strategically minded Client Services Account Manager to join the growing team. This is an exciting opportunity for someone with solid client-facing experience and who’s passionate about digital media, programmatic advertising, and building high-impact client relationships.

You’ll work closely with senior leaders and delivery teams to manage day-to-day client relationships, plan and oversee programmatic campaigns, and uncover new growth opportunities. You’ll become the go-to for clients—someone who gets their business, solves problems before they arise, and always adds value.

Responsibilities:

• Own day-to-day client communications, building trust and demonstrating strategic value at every touchpoint
• Lead kick-offs, mid-campaign check-ins, and post-campaign reviews with insight-led storytelling
• Act as the key link between client stakeholders and our internal teams (sales, tech, creative, trading)
• Be proactive, solution-focused, and always one step ahead of client needs
• Translate briefs into programmatic strategies that align with client KPIs
• Use planning tools, first-party data and audience insights to craft impactful media plans
• Collaborate with traders and performance specialists to optimise campaigns in-flight
• Deliver clear, compelling PCAs and business reviews that drive renewals and growth
• Protect and grow client revenue through upweights, renewals and cross-sell opportunities
• Ensure timely forecasting and accurate reporting of financials and performance
• Maintain excellent internal process hygiene (status docs, briefings, timelines, POs)
• Spot inefficiencies and suggest new tools, tactics or services to improve our client offering
• Stay ahead of industry trends, competitor activity and client category news
• Champion new ideas—from creative asset suggestions to smarter ways of working
• Support the sales team at events and new business meetings when needed
• Share learnings and successes with the team, helping us all level up

Skills:

• 3+ years of experience in a client-facing role within digital media, agency, or ad tech business
• Strong understanding of Programmatic Advertising and audience planning
• Exceptional communication, presentation and stakeholder management skills
• A proactive attitude with a creative, solutions-first mindset
• Highly organised with an eagle eye for detail and deadlines
• Confidence using Excel, PowerPoint, Outlook; bonus if you’ve used Adobe, Notion, or AI tools like ChatGPT
• Someone who thrives in a small, dynamic team and wants to make a big impact