Commercial Finance Operations Senior Analyst

Macquarie Capital; Greater London; On-site; GBP 42,000 - 46,000; Full time

Job summary

A leading financial services firm in London seeks a Finance Team Leader for a fixed-term contract. In this role, you will oversee the Accounts Payable function, ensuring timely and accurate processing of invoices while liaising with various teams. The ideal candidate will have advanced Excel skills, knowledge of media billing, and a strong numerical background. This is an excellent opportunity to join a purpose-driven organization committed to a positive impact.

Qualifications

• Lead the Accounts Payable function with direction and oversight.
• Ensure accurate invoice processing and financial operations coordination.
• Collaborate effectively with various stakeholders to optimize processes.

Responsibilities

• Manage the Accounts Payable function's day-to-day operations.
• Act as a finance liaison for client engagements.
• Support SOX audits and client onboarding processes.

Skills

Advanced Excel

Experience with Media Ocean/Prisma and Maconomy

Strong numerical acumen

Excellent communication

Stakeholder management

Problem-solving skills

Job description

Finance Team Leader – Accounts Payable (12‑month Fixed Term Contract)

Location: Bruce Kenrick House, 2 Killick Street, London N1 9F
Salary: £42,150 – £45,723 per annum for 35 hours per week

What you’ll do

• Lead the Accounts Payable function, providing direction and day‑to‑day oversight.
• Ensure accurate and timely processing of invoices.
• Act as the finance liaison for client engagement teams and financial operations.
• Collaborate with agency finance, shared services and external stakeholders to optimise billing processes.
• Support SOX audit requests and client onboarding.
• Manage inter‑company invoicing and liaise with media billing teams.

Required skills

• Advanced Excel (formulas, Power Query, automation).
• Experience with Media Ocean/Prisma and Maconomy.
• Strong numerical acumen and media billing knowledge.
• Excellent communication and stakeholder management.
• Independent, entrepreneurial mindset and problem‑solving skills.

Senior Finance Manager – UK [Expansion]

Responsible for operations across UK and Northern Ireland, ensuring efficient financial processes and supporting business growth.

• Oversee financial operations, budgeting and forecasting.
• Ensure regulatory and statutory compliance.
• Lead process improvement and optimisation initiatives.

Commercial Finance Operations Senior Analyst (12‑month FTC)

Start date: March 2026 – develop KPIs and metrics for environmental and social impact reporting.

• Support impact reporting for insurer, premium finance house and ancillary provider relationships.
• Collaborate with the Purpose team on environmental and social data.

Equity, Diversity & Inclusion Statement

Equal Opportunities Assembly is an advocate for equal opportunity in the workplace. We are committed to ensuring equal opportunities regardless of race, colour, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability and gender identity. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires accommodation, please let us know.

Company Overview

Assembly is a modern global agency that combines media, data, technology and talent to help brands perform. We are purpose‑driven, B‑Corp certified and focused on creating a positive impact through our work.