Full job descriptionAccount Assistant - Creative Technology Agency - London - up to £28k
The CompanyA specialist creative technology agency pioneering Dynamic Creative Optimisation (DCO), enabling brands to deliver personalised ads at scale without the traditional production burden.
Working at the intersection of data, media, and creative, the agency builds real-time, performance-driven advertising solutions that align with clients’ media objectives and content strategies.
Wholly owned by Omnicom Group, the business benefits from the backing of a global network while maintaining the culture and agility of a start-up. Based within Omnicom’s Bankside hub near London Bridge and Borough Market, the team sits among leading media, creative, and technology specialists.
The agency has delivered innovative, award-worthy work for global brands across automotive, FMCG, retail, and utilities - all powered by data, creativity, and proprietary technology.
The RoleAs Account Assistant, you’ll support Account Managers and Executives in the day-to-day running of client accounts within a fast-paced, client-facing environment.
You’ll play a key role in coordinating campaign delivery, maintaining strong stakeholder relationships, and ensuring high standards across creative and operational processes. This is an ideal entry-level opportunity for someone looking to build a career in digital advertising, creative technology, and client services.
Key ResponsibilitiesStakeholder & Client Support*Assist with day-to-day client and agency communications via email, Teams, and meetings

*Support campaign delivery updates and project status reporting

*Build strong relationships with internal teams across strategy, design, development, and operations

Driving DCO Strategy*Develop an understanding of the media and creative landscape and how agencies collaborate

*Support briefing internal teams and sharing outputs with clients

*Help deliver high-quality, efficient client servicing across campaigns

Quality Control & Commercial Support*Conduct thorough quality checks across creatives, presentations, and reports

*Support post-campaign checks and performance documentation

*Build knowledge of campaign launch processes to ensure error-free delivery

*Contribute to maintaining client satisfaction and long-term growth opportunities

Team & Personal Development*Actively pursue learning opportunities across the business

*Collaborate closely with cross-functional teams

*Contribute positively to a supportive, open, and inclusive culture

You*Strong organisational skills with excellent attention to detail

*Confident communicator, comfortable working with multiple stakeholders

*Proactive, curious, and eager to learn about digital advertising and creative technology

*Able to manage multiple tasks in a fast-paced environment

*Passionate about delivering high-quality work and building a career in client services

A fantastic opportunity for an ambitious graduate or junior professional to join a cutting-edge creative technology agency - combining the energy of a start-up with the backing of a global network.
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.