Marketplace Account Manager

Amazon Account Manager - Independent Commerce Agency - London / Hybrid - up to £45k

The Agency

An independent, specialist commerce agency helping brands navigate what's next in an increasingly complex retail and ecommerce landscape. By combining deep shopper insight with advanced ecommerce and retail media expertise, the agency supports brands as consumers move seamlessly from inspiration to purchase across fragmented channels.

Operating at the intersection of strategy, creativity and performance, the team delivers data-led insights, award-winning thinking, and innovative commerce solutions across marketplaces, technologies and touchpoints - including Amazon and retail media ecosystems.

The agency is a close-knit team of 20+ experienced specialists and holds elite partner accreditations with major commerce and retail media platforms - recognition held by only a small number of independent agencies in the UK.

The Role

This is an opportunity for an experienced Amazon Account Manager to take ownership of a portfolio of brands and play a key role in driving long-term growth and performance on Amazon. The role is ideal for someone who thrives in an agency environment, enjoys managing client relationships, and brings a proactive, solutions-led mindset to account management.

You'll act as the day-to-day lead for clients, ensuring account health, performance optimisation and best-in-class execution across Amazon Seller and Vendor Central. Working closely with senior stakeholders and internal specialists, you'll help shape and deliver strategies that translate into measurable commercial success.

Key Responsibilities

Client Account Management

• Act as the primary day-to-day client contact, delivering clear, proactive and timely communication.

• Build strong, trust-based relationships that drive retention, renewals and referrals.

• Own daily account health, including catalogue accuracy, content quality and performance monitoring.

Amazon Strategy & Optimisation

• Implement and optimise Amazon growth strategies in line with agreed objectives.

• Optimise listings, keywords and advertising performance to drive sustainable growth.

• Monitor trends and performance data to identify opportunities for continuous improvement.

Case Management & Customer Experience

• Create, escalate and resolve cases with Amazon support efficiently.

• Protect and enhance customer feedback, reviews and overall brand experience.

Brand Governance

• Act as brand guardian, ensuring all listings and content align with Amazon best practice and platform guidelines.

• Maintain consistency, accuracy and compliance across all brand assets.

Reporting & Analysis

• Deliver monthly performance reporting with clear insights and recommendations.

• Collaborate with media specialists to ensure reporting accuracy and actionable analysis.

Budget & Financial Oversight

• Manage monthly invoicing and ensure accurate financial reporting.

• Support budget control, forecasting and performance against commercial targets.

You

Experience & Skills

• 3+ years' hands-on Amazon brand management experience (agency background strongly preferred).

• Strong working knowledge of Amazon Seller Central and Vendor Central.

• Experience managing advertising budgets, forecasting and basic P&L responsibility.

• Advanced Excel and reporting skills; confident with PowerPoint and Word.

• Strong project management skills with the ability to juggle multiple clients and deadlines.

Sphere Digital Recruitment currently have a variety of job opportunities across digital so feel free to get in touch with us to find out how we can help you. Please take a look at our website.

Sphere is an equal opportunities employer. We encourage applications regardless of ethnic origin, race, religious beliefs, age, disability, gender or sexual orientation, and any other protected status as required by applicable law.

If you require any adjustments or additional support during the recruitment process for any reason whatsoever, please let us know.