Assistant Management Accountant

wppmedia
London

About WPP Media

WPP is the trusted growth partner for the world’s leading brands. With exceptional talent, trusted data and intelligence, and world-class partnerships – all united by our pioneering agentic marketing platform, WPP Open – we help clients navigate change, capture opportunity, and deliver transformational growth. 

WPP Media is WPP's AI-driven media operating unit, bringing together media, data, and partnerships to deliver creative personalisation at scale. Connected through WPP Open and powered by Open Intelligence, clients see exactly where, how, and why their media investment is working.

For more information, visit wppmedia.com .

1398 - Assistant Management Accountant - Finance

About WPP Media

WPP is the creative transformation company. We use the power of creativity to build better futures for our people, planet, clients and communities. For more information, visit wpp.com.

WPP Media is WPP’s global media collective. In a world where media is everywhere and in everything, we bring the best platform, people, and partners together to create limitless opportunities for growth. For more information, visit wppmedia.com

At WPP Media, we believe in the power of our culture and our people. It’s what elevates us to deliver exceptional experiences for both our clients and each other. In this role it will be critical to embrace WPP & WPP Media’s shared core values:

  • Be Extraordinary by Leading Collectively to Inspire transformational Creativity.
  • Create an Open environment by Balancing People and Client Experiences by Cultivating Trust .
  • Lead Optimistically by Championing Growth and Development to Mobilize the Enterprise .

Role Summary and Impact

The main purpose of the role is to assist in the preparation of the monthly management accounts for reporting to both WPP Media management and WPP group (EMEA). The Assistant Management Accountant will update the rolling forecast and feed into the annual budgeting process through the application of Business Partnering skills. To be successful in this role, engagement with various parts of the business is required, often at different levels of seniority.

Month-end process/ year-end & variance analysis

  • Calculation of accruals & prepayments of costs, using IFRS principles. Prepare and post journals
  • Assist in the preparation of monthly Management Accounts reconciled to TB
  • Monthly variance analysis (by comparing to budget/forecast)
  • Sending of weekly Open purchase order reports for all areas of the P&L (IT costs, Commercial costs, Establishment costs, Personal costs etc.) to each of the PO requisitioners
  • Work closely with the intercompany management accountant to reduce MIB/MIBA by sending data to all operating companies and following up with PO requests
  • Review and approval of employee expenses on a weekly basis
  • Supplier and client set ups
  • Preparation of monthly SOX folder
  • Monthly & quarterly balance sheet reconciliations
  • Action any queries post month-end, i.e. AP mis-posting etc.
  • Assist with the SOX and year-end audit by providing all relevant information to the auditors
  • Reconcile credit card statements for the Research team to ensure they are posted to the correct expense codes

Group / WPP reporting

  • Liaise with EMEA to resolve reporting queries
  • Submit commentaries to EMEA monthly
  • Deal with EMEA’s new reporting requirements
  • Prepare and submit quarterly packages
  • Prepare and submit the year-end packages

Other and periodic

  • Ensuring compliance with company policies and SOX requirements
  • Continuously reviewing current processes and making improvements to allow better control or improved efficiencies
  • New supplier form reviews
  • Complete ad hoc ONS surveys
  • Ad hoc projects as directed by FC/SFC
  • Assisting AP team with coding of invoices
  • Dealing with Finance Plus on ad hoc queries

Skills and Experience

Desirable

  • Experience working with DDS / Media Ocean
  • Experience working with Cartesis / BFC

Essential

  • Acute and thorough attention to detail
  • Strong work ethic and collaborative nature essential
  • Exceptional verbal and written communication skills
  • Excellent analytical and problem-solving skills
  • High proficiency in Microsoft Excel and other Microsoft applications
  • Good interpersonal skills to work with different management levels
  • Quick to learn and adaptable to changing work allocation and able to prioritise workload to meet challenging deadlines
  • Enthusiastic with a can-do attitude

Life at WPP Media & Benefits

Our passion for shaping the next era of media includes investing in our employees to help them do their best work, and we’re just as committed to employee growth as we are to responsible media investment. WPP Media employees can tap into the global WPP Media & WPP networks to pursue their passions, grow their networks, and learn at the cutting edge of marketing and advertising. We have a variety of employee resource groups and host frequent in-office events showcasing team wins, sharing thought leadership, and celebrating holidays and milestone events. Our benefits include competitive medical, group retirement plans, vision, and dental insurance, significant paid time off, preferential partner discounts, and employee mental health awareness days.

WPP Media is an equal opportunity employer and considers applicants for all positions without discrimination or regard to characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers.

We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process.

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Posted 2026-03-24

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