Grey’s mission is to create Famously Effective ideas that move people, businesses, and the world forward, harnessing the power of creativity to solve business challenges and drive growth for some of the world’s most influential brands and companies, including Procter & Gamble, Volvo, Haleon, Circle K, and The Coca-Cola Company. That commitment to effectiveness has earned Grey a Grand Effie in every market where it operates. Grey was recognized as a 2025 Fast Company World Changing Ideas winner and earned 26 Lions at the 2026 Cannes Lions International Festival of Creativity, contributing to Ogilvy’s Network of the Year honors. Newsweek also named Grey a Top 100 Global Most Loved Workplace in 2024 and one of America's Greatest Workplaces for Women and Professional Services in 2025. Grey is part of WPP, the trusted growth partner for the world's leading brands. Powered by exceptional talent and our agentic marketing platform WPP Open, WPP unites cutting-edge media intelligence and data solutions, creativity, production, enterprise solutions and expert strategic counsel. 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. We are seeking an adaptable, proactive Management Accountant to join Grey London on a 6-month fixed-term contract. This role is a vital addition to our Finance team, taking ownership of core monthly accounting deliverables, financial control, and studio business partnering through a busy reporting period. You’ll be an integral part of the close-knit Finance community here at Grey London, operating within the broader Ogilvy Group and WPP Creative. In this role, you will work closely with London-based commercial and agency teams, senior finance leaders, WPP’s FinancePlus division, and group finance contacts. KEY RESPONSIBILITIES: · Management Accounts Preparation: Independently prepare and review monthly management accounts, including general ledger account reviews, variance analysis, balance sheet reconciliations, and posting manual journals (accruals, prepayments, deferred revenue, and cost allocations). · Core Systems & Workday Adoption: Utilise Workday as the agency’s core finance system - navigating early-stage adoption workflows, refining day-to-day reporting routines, and helping guide commercial agency teams on system processes and queries. · WPP Group Reporting Submissions: Ensure timely upload and reporting of monthly and quarterly financial packages into WPP Group reporting tools. · SOX Compliance & Audit Trail: Maintain a strict SOX-compliant control environment, reviewing month-end actuals and balance sheet reconciliations to ensure sufficient supporting documentation and a clear audit trail for internal and external audits. · Revenue & Intercompany Workstreams: Maintain revenue trackers and attribution schedules across creative workstreams, manage intercompany purchase orders, and resolve intercompany mismatches across the WPP network. · Budgeting & Reforecasting Support: Assist the Financial Controller with quarterly reforecasting cycles, rolling forecasts, and annual budget preparation. · Agency Business Partnering: Act as an approachable finance ambassador and primary contact for agency teams, managing query inboxes and supporting project leads and producers with day-to-day finance questions. WHAT YOU WILL NEED: · Relevant Experience: Minimum 4+ years of experience in a finance function, preferably within an agency environment (advertising, media, marketing services) or creative project-based setup. · Qualification: ACCA, CIMA, or ACA part-qualified or qualified (or equivalent). · Systems & Technical Proficiency: Hands-on experience with Workday (or similar major enterprise ERP platforms), with a confident, adaptable mindset toward navigating early-stage system workflows. Advanced Excel skills (Pivot Tables, lookups, data analysis) are essential. · WPP & Shared Services Awareness: Previous experience working alongside financial shared service models, and corporate reporting packages s a strong advantage. · Financial Controls & SOX: Strong grounding in internal controls, general ledger maintenance, balance sheet integrity, and SOX environment compliance. · Communication & Versatility: Excellent written and verbal communication skills, with the ability to translate financial concepts clearly for non-finance agency colleagues, and able assist team members during peak reporting windows. WHO YOU ARE: · Self-motivated and dependable; you take clear responsibility for your workload, deliver under pressure, and consistently meet tight reporting deadlines. · Comfortable navigating evolving processes and system workflows with positivity, curiosity, and initiative. · Approachable and proactive in helping non-finance creative stakeholders navigate financial queries smoothly. · Thorough and precise, maintaining high standards of data accuracy, ledger health, and complete audit documentation. · Happy to lend a hand across wider finance tasks during busy periods and team absences to support the overall studio. What can you expect from us? At Grey, you’ll have the opportunity to work at an incredible studio, with some of the most creative and inspired people in the industry, all whilst getting to grow & shape your career with us. We offer a competitive salary, lots of training, plenty of benefits and wellbeing perks too. Inclusion & Belonging At Grey, we know that the more diverse the input, the more famous and effective the output. Different perspectives spark bigger ideas, braver creativity and better work - and that starts with how we welcome new talent. We embrace applications from people under-represented in our industry and value the unique skills, experiences and viewpoints everyone brings. Our goal is simple: create a place where everyone can belong, and no one feels the need to hide any part of who they are. That spirit runs through our application process too. If there’s anything - from neurodivergence, to a health condition, or any other circumstance - that might shape your experience, just let our People team know. We’ll work with you to make the adjustments you need to show your best, and we’ll treat whatever you share with respect. What can you expect from us? At Grey, you’ll have the opportunity to work at an incredible studio, with some of the most creative and inspired people in the industry, all whilst getting to grow & shape your career with us. We offer a competitive salary, lots of training, plenty of benefits and wellbeing perks too. Inclusion & Belonging At Grey, we know that the more diverse the input, the more famous and effective the output. Different perspectives spark bigger ideas, braver creativity and better work - and that starts with how we welcome new talent. We embrace applications from people underrepresented in our industry and value the unique skills, experiences and viewpoints everyone brings. Our goal is simple: create a place where everyone can belong, and no one feels the need to hide any part of who they are. That spirit runs through our application process too. If there’s anything - from neurodivergence, to a health condition, or any other circumstance - that might shape your experience, just let our People team know. We’ll work with you to make the adjustments you need to show your best, and we’ll treat whatever you share with respect. Please be aware of the possibility of recruiting fraud. GREY does not conduct interviews via instant messaging platforms and will never request personal financial information such as bank account numbers, credit card information, or payment of any kind during the hiring process. All legitimate communication will come from an official @GREY.com email address. If you suspect fraudulent activity, please report it to us immediately. Stay vigilant and protect your personal information.

Management Accountant

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