Accounts Payable Assistant - 12 months FTC in City of Westminster

Colliers is a global leader in commercial real estate services, providing strategic solutions to occupiers, developers, and investors at local, national, and international levels. Our services include brokerage sales and leasing, real estate management, valuation, consulting, project management, project marketing, and research. We operate across core sectors such as office, industrial, retail, and hotel, as well as a range of specialised property types. Colliers UK is headquartered in London, with over 1,200 professionals across 16 offices in the UK and Ireland.

We are seeking an Accounts Payable Assistant to join our London finance team on a 12‑month fixed term contract. This is a fast‑paced, hands‑on role focused primarily on clearing a high‑volume backlog of supplier invoices, while also supporting the wider accounts payable function. This role is ideally suited to someone who thrives in a busy, deadline‑driven environment, enjoys taking ownership of workload, and can work efficiently and accurately at pace.

• Processing a high volume of supplier invoices, ensuring accuracy and completeness
• Working methodically through a significant accounts payable backlog
• Matching, batching and coding invoices in line with internal controls
• Resolving invoice queries and discrepancies with suppliers and internal stakeholders
• Reconciling supplier statements and supporting query resolution
• Using finance systems including Oracle, SAP, Yardi or similar ERP platforms
• Supporting month‑end close activities where required
• Maintaining strong attention to detail while meeting strict deadlines

• Previous experience in an Accounts Payable or finance administration role
• Proven experience working in a high‑volume, fast‑paced finance environment
• Confidence using financial systems such as Oracle, SAP, Yardi, or similar
• Strong organisational skills with the ability to prioritise effectively
• Excellent attention to detail and a proactive approach to problem‑solving
• Comfortable working fully office‑based in a collaborative London team

Interviews will take place week commencing 20th April. Interviews will be held in person at our Wigmore Street, London office.

• The opportunity to work within a globally recognised real estate firm
• A supportive, professional and collaborative team environment
• The chance to make a visible impact by stabilising and improving a critical finance function
• Valuable exposure to large‑scale finance operations within a market‑leading organisation

Colliers is proud to be an equal opportunities employer. We do not discriminate on the basis of age; disability; gender; gender reassignment; marriage and civil partnership; pregnancy and maternity; race (including colour, nationality and ethnic or national origins); religion or belief; sex; or sexual orientation. We also value diverse experience and neurodiversity. Colliers is a Disability Confident Employer. If anything would help you take part in our process such as extra time or rest breaks, step‑free access, or a different interview format, please tell us in your application. You are not expected to share a diagnosis or medical history.