Customer Success Manager - AdTech

Vertical Advantage; Greater London; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading AdTech platform is seeking a Customer Success Manager to enhance client retention and satisfaction. In this key role, you will manage high-profile clients, ensuring successful campaign implementation and optimization, while collaborating across teams to drive measurable results. Ideal candidates will have a background in client relationships within the AdTech or SaaS sectors.

Qualifications

• Experience in customer success, client services, or account management within AdTech or SaaS.
• Proven track record managing high-profile client relationships.
• Comfort with performance data, KPIs, and reporting tools.

Responsibilities

• Serve as primary contact for advertiser clients; ensure successful onboarding and campaign execution.
• Analyze campaign performance and present insights to clients.
• Identify upsell opportunities and provide strategic guidance.

Skills

Client Services

Account Management

Communication

Data Analysis

Job description

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Vertical Advantage provided pay range

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Base pay range

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I connect Business Development, Account Management, Customer Success and Insights people with Saas companies and MarTech agencies - Principal…

A great opportunity for a Customer Success Manager to join a rapidly growing team at a leading AdTech platform that connects marketers with consumers through insights. In this role, you will be responsible for driving client retention, satisfaction, and growth by ensuring advertisers see measurable success from their campaigns.

You’ll work closely with some of the world's top brands, supporting marketing initiatives across multiple verticals such as retail, dining, entertainment, and travel.

Key Responsibilities

• Serve as the primary point of contact for a portfolio of advertiser clients, ensuring successful onboarding, campaign execution, and post-campaign analysis.
• Develop deep understanding of client goals, use cases, and success metrics to deliver tailored strategies and solutions.
• Partner with Sales, Analytics, Product, and Media Operations teams to ensure smooth delivery of campaign objectives.
• Analyze campaign performance using first-party consumer purchase data to uncover insights and present results to clients.
• Identify upsell and cross-sell opportunities, driving expansion and renewals through consultative value-add relationships.
• Provide proactive support and strategic guidance to optimize client performance and satisfaction.
• Represent the voice of the customer internally to help shape product development and operational improvements.

Qualifications

• Experience in customer success, client services, account management, or consulting within AdTech, MarTech, or data-driven SaaS environments.
• Proven track record of managing multiple high-profile client relationships with strong retention and growth outcomes.
• Comfort with performance data, KPIs, and reporting tools to distill actionable insights for clients.
• Excellent communication, presentation, and stakeholder management skills.
• Ability to work cross-functionally in a dynamic, fast-paced environment.
• Familiarity with digital advertising, media buying, or loyalty programs is a strong plus.

Seniority level

• Seniority level

  Associate

Employment type

• Employment type

  Full-time

Job function

• Job function

  Strategy/Planning, Sales, and Research

• Industries

  Market Research, Marketing Services, and Advertising Services

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