Assistant Marketing Manager

Location: London, United Kingdom (Hybrid working model)

Reports to: Client Lead

Department: Marketing / Client Services

Employment Type: Temp to Perm / employment on FTC

Working Hours: Full time (5 days per week)

Salary – competitive (based on experience)

About Brand Champions

Brand Champions specialises in unlocking the growth potential of brands by addressing critical challenges through tailored services: Strategy, SOS, and Execution. With extensive experience working with renowned brands, primarily in healthcare but also in travel and hospitality. We deploy expert resources to deliver results. Our network includes client relationship managers, project managers, strategists, creatives, researchers, and medical content experts who excel in solving complex problems, filling team gaps, and executing impactful marketing campaigns. Whether developing brand strategies, providing interim support, or creating cohesive marketing materials, Brand Champions is committed to helping businesses achieve their goals and unleash growth opportunities.

Role Purpose and Overview

We are looking for a proactive and adaptable Assistant Marketing Manager (in agency world this might be referred to as an Account/Client Executive) to join our growing marketing solutions agency, supporting a diverse portfolio of clients across healthcare, restaurant, travel, and leisure sectors.

This role goes beyond delivery support and requires a candidate who can bring marketing expertise, add value to client work, and actively contribute to improving the quality and effectiveness of campaigns. Working within a collaborative agency environment, you will play a key role in enhancing overall client experience by ensuring all outputs are strategically aligned, insight-led, and executed to a high standard.

This role is ideal for someone with 3-5 years’ marketing experience and a strong foundation in core marketing principles, who is comfortable working in a fast-paced, multi-client agency environment. You will collaborate closely with Client Leads, Project Leads, creatives, and specialists - to deliver integrated campaigns and high-quality client work.

The role requires strong organisational skills, the ability to multitask across multiple projects and sectors, manage multiple priorities, and a willingness to learn and navigate regulated environments such as healthcare, alongside more consumer-driven industries.

Key Responsibilities

1. Campaign Delivery & Execution

• Support the end-to-end delivery of integrated marketing campaigns
• across digital, social, and print
• Assist in managing timelines, deliverables, and campaign outputs across
• multiple clients
• Ensure all activity aligns with client objectives, briefs, and brand strategy

2. Internal Team Collaboration

• Work closely with internal teams including Client Leads, Project
• Managers, creatives, and content specialists, to ensure seamless
• execution
• Contribute to a collaborative agency environment, ensuring alignment
• across disciplines and workstreams

3. Client & Account Support

• Assist the Client Lead/ Manager in day-to-day client communication,
• ensuring responsiveness and professionalism
• Support the preparation of presentations, reports, and campaign updates
• Build strong relationships with internal teams and clients

4. Content & Quality Support

• Assist with briefing, reviewing, and refining marketing content across
• channels
• Ensure consistency, accuracy, and alignment with brand guidelines
• Support adaptation of content for different audiences and sectors

5. Sector Navigation & Compliance

• Develop an understanding of healthcare marketing regulations (e.g.
• ABPI) and ensure compliance where required
• Support work across less regulated sectors such as restaurant and travel,
• adapting tone and approach accordingly
• Demonstrate the ability to switch between regulated and creative

6. Performance & Insights

• Assist in tracking campaign performance and compiling reports
• Support research and insight gathering across different sectors
• Contribute to continuous improvement of campaign effectiveness

Skills & Experience

• 3 - 5 years’ experience in a marketing, agency, or client-services
• equivalent)
• Strong understanding of marketing fundamentals (digital, content,
• campaigns)
• Experience working in an agency or multi-client environment is highly
• Exposure to healthcare or regulated industries is an advantage, but not
• Ability to manage multiple projects and priorities simultaneously
• Excellent communication and stakeholder management skills
• High attention to detail and organisational capability
• Comfortable working across a mix of sectors and adapting tone/approach

Core Competencies

• Communication – clear, professional, and client-focused
• Multitasking & Prioritisation – manages multiple clients, deadlines, and
• Collaboration in a Matrix environment – works seamlessly within
• cross-functional teams
• Adaptability – confident switching between healthcare and consumer
• sectors
• Organisation & Attention to Detail – Maintains structure and accuracy
• across all workstreams
• Proactivity & Ownership – takes initiative and supports delivery beyond
• assigned tasks
• Learning Agility – quickly builds knowledge across industries,
• particularly healthcare
• Problem-Solving – identifies issues early and contributes to practical
• solutions

Development & Progression

This role offers strong progression into Marketing Manager / Account

Manager roles, with exposure to diverse sectors, integrated campaigns, and

a collaborative pod-based agency model, enabling both strategic and delivery

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