A growing, ambitious and award-winning B2B marketing agency is looking for a commercially minded Finance Business Partner / Finance Manager to join its leadership team on a part-time basis. This is a pivotal role at the heart of the business, providing the financial insight, governance and commercial support needed to drive sustainable growth. Working closely with senior leadership, delivery teams and external partners, you’ll ensure the agency has the visibility, controls and financial discipline required to make confident decisions and deliver strong commercial performance. Far more than a traditional finance role, this position acts as a trusted business partner across the agency - helping colleagues understand performance, improve profitability, manage risk and make better commercial decisions. What you’ll do * Produce management accounts, forecasts and financial reporting to support leadership decision-making. * Own month-end processes including reconciliations, invoicing, payroll and core financial administration. * Provide insight into revenue, margin, profitability and cash flow across projects, clients and the wider business. * Monitor WIP, billing and debtor positions to support healthy cash flow and commercial discipline. * Partner with delivery and client teams to improve commercial understanding and project performance. * Translate financial and operational data into clear recommendatio...