Grey London, part of WPP, is on a mission to create the most influential brands of the next decade, through the power of Famously Effective ideas.

Famously Effective ideas extend far beyond the confines of advertising or marketing channels. They stretch our potential influence into wider culture – by breaking norms, smashing stereotypes, saving lives, changing minds, writing history, shifting conversations, and transforming perspectives.

More than just our tagline, Famously Effective is a shared global philosophy that has guided everything Grey has done since our founding more than 100 years ago. Today, more than 150 people work in our London office, with nearly 3,000 more throughout our global network.

About WPP

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. For more information, visit WPP.com.

The Role

We are currently hiring a Personal Assistant to help support our London Leadership team, on a 12-month fixed term contract.

The role requires someone who is organised, proactive and an excellent multitasker. In this role, you’ll be providing invaluable support to leaders within the business, working at pace to meet the demands of our fast-paced agency.

This is a great opportunity for an experienced PA looking to develop their career. You'll have significant exposure to our Senior Executives, while partnering with colleagues across a variety of disciplines throughout the agency. This breadth of exposure offers the opportunity to build relationships across multiple functions and gain insight into a diverse range of specialisms and ways of working.

Key Responsibilities

• Own diary management for senior stakeholders: Help those you support prioritise their time, forward-planning weeks ahead for both internal & external meetings, and spot & resolve clashes.
• Act as a first point of contact: Proactively respond to requests, greet clients & external partners, support with ad-hoc inbox management.
• Run meeting logistics flawlessly: Book rooms, manage catering, set-up & test tech, share links and pre-reads, and support with follow-up actions.
• Coordinate travel: Flights/trains, hotels, transfers, visas (where required), detailed itineraries, and contingency planning when plans change.
• Support offsites and key agency events: Venue sourcing, agendas, materials, attendee coordination, dinner bookings, and follow-up actions.
• Manage finance/admin processes: Raise POs, process invoices, complete timesheets, support with absence management, and handle expenses accurately and on time.
• Support interview scheduling and onboarding: Coordinate with People team and Ogilvy TA team to confirm interviews, prep calendars/rooms, and help shape smooth induction plans for new starters.
• Keep information organised and findable: Maintain contacts, distribution lists, filing systems, and meeting documentation with a tidy, consistent approach.
• Support as a Team Assistant: Pitch in on agency moments - culture, socials, training, events, organising our studio showcases and content for our weekly all-agency.
• Ensure smooth running of the office: Order stationary, co-ordinate food shops for our floor, be a point person for ad-hoc requests.
• Handle ad hoc requests with pace and judgement: Focus on finding solutions and maintain discretion around the tasks you are supporting with.