Marketing Assistant jobs in United Kingdom

Overview of Publicis Groupe and PMX Consulting as described by the original posting, including the role of PMX Consulting in transformation and the role of Publicis Groupe in the market. This section retains the purpose and context of the company and the team involved.

PMX Consulting is a next-generation consultancy helping ambitious brands stay ahead in a rapidly evolving marketing landscape. We blend deep technical expertise with decades of experience to deliver pragmatic solutions that drive growth and transformation.

Our work spans five transformation pillars: Platform Impact, Futurescapes, Commerce, Biddable Power, and Ops Powerhouse — supporting clients with everything from in-housing best practice and agile optimisation to cross-channel effectiveness and innovation trials.

Reporting to the Commercial Director, the Commercial Manager will play a key role in coordinating commercial and financial information across global markets for high-profile clients. Acting as the main point of contact for commercial finance queries, you will also support business development initiatives.

This is a hands-on role requiring strong teamwork, proactivity, and attention to detail, with excellent communication skills to collaborate effectively across international teams.

• Develop and maintain a commercial reporting timeline across the fiscal year.
• Manage FTE preparation and reconciliation, reviewing costings, hours reports, and calculations.
• Collate and review annual bonus calculations and address related queries.
• Prepare reports for ad hoc, monthly, bi-annual, and annual client meetings.
• Partner with Finance to review overdue debt reports and resolve outstanding issues.
• Coordinate with Legal on commercial contracts and client procurement discussions.
• Oversee scopes of work with Client Directors, ensuring out-of-scope work is captured, costed, and flagged.
• Respond to ad hoc commercial and finance queries across clients.
• Support new business pitches by aggregating, analysing, and reporting on staffing and commercial data (e.g., commission rates, payment terms).

• Functional expertise: Strong data management, finance systems knowledge, and advanced Excel skills (VLOOKUP, SUMIF, Pivot Tables). VBA is a plus.
• Attention to detail: High accuracy with the ability to spot and correct errors before sharing.
• Diligence: Strong time management, able to deliver under tight deadlines.
• Proactivity: Takes initiative while keeping stakeholders aligned.
• Client focus: Builds strong relationships and acts with clients in mind.
• Results orientation: Action-oriented, energetic, and driven to achieve outcomes.

• Advanced proficiency in Microsoft Excel; VBA knowledge desirable.
• Background in commercial, financial, or quantitative roles preferred.
• Experience with commercial negotiation advantageous.
• Excellent written and verbal communication skills across diverse stakeholders.

Benefits: In the UK, alongside core benefits such as Pension, Life Assurance, Private Medical, and Income Protection Plan, we also offer:

• WORK YOUR WORLD opportunity to work anywhere in the world, where there is a Publicis office, for up to 6 weeks a year.
• REFLECTION DAYS - Two additional days of paid leave to step away from your usual day-to-day work and create time to focus on your well-being and self-care.
• HELP@HAND BENEFITS 24/7 helpline to support you on a personal and professional level. Access to remote GPs, mental health support and CBT. Wellbeing content and lifestyle coaching.
• FAMILY FRIENDLY POLICIES: 26 weeks of full pay for maternity, adoption, surrogacy and shared parental leave.
• FLEXIBLE WORKING, BANK HOLIDAY SWAP & BIRTHDAY DAY OFF: An additional day off for your birthday from your first day of employment.
• GREAT LOCAL DISCOUNTS: Membership discounts with Soho Friends, local restaurants and retailers in Westfield White City and Television Centre.

Publicis Groupe operates a hybrid working pattern with full-time employees being office-based three days during the working week.

We are supportive of all candidates and are committed to providing a fair assessment process. If you have any circumstances (such as neurodiversity, physical or mental impairments or a medical condition) that may affect your assessment, please inform your Talent Acquisition Partner. We will discuss possible adjustments to ensure fairness. Rest assured, disclosing this information will not impact your treatment in our process.

Please check out the Publicis Career Page which showcases our Inclusive Benefits and our EAGs (Employee Action Groups).