OMD UK is seeking a detail-driven Supplier Finance Operations Specialist to safeguard our operations by ensuring timely supplier payments and preventing the return of unbilled media. You will be the key link between OMD, our suppliers, and internal teams, taking ownership of financial processes that are critical to our business.
What You'll Do
- Ensure timely supplier payments and prevent the return of unbilled media that should be paid.
- Take ownership of all 90-day unbilled AP balances across clients.
- Produce insightful monthly reports.
- Work closely with senior finance leaders to reconcile and resolve outstanding issues.
- Review DoubleVerify and Barter data.
- Manage supplier queries and onboarding.
- Drive process improvements.
- Act as the key link between OMD, our suppliers, and internal teams.
What We're Looking For
- Experience in media payables.
- Strong numerical skills.
- Strong Excel skills (VLOOKUPs, IF formulas, Pivot Tables).
- Ability to manage deadlines.
- Clear communication across finance and non-finance teams.
- Proactive, problem-solving mindset.
Technical Stack
- Excel
Team & Environment
You will report to senior finance leaders.
Work Mode
This is a hybrid position based in London.
At OMD UK, we are committed to supporting flexibility for our people while fostering collaboration, innovation, and teamwork. Our vision is to be an agency where difference is valued and everyone is able to thrive in a culture of equality, inclusion and belonging.

