Interim Finance Manager

Location: Central London, hybrid (2 days per week on site)
Contract: Temporary, 6 weeks
Hours: Full–time, 35 hours per week
Pay: GBP24.20 to GBP31.37 per hour (+ GBP2.92 to GBP3.79 holiday pay) (circa GBP44,000 to GBP57,000 salaried equivalent)
Start Date: ASAP

Prospectus is delighted to be supporting our client, a national, progressive think tank, in the search for a temporary Interim Finance Manager .

This role provides a fantastic opportunity for an experienced manager to lead a dynamic finance team, ensuring operational stability across payroll, reporting, and compliance, creating a chance for the successful applicant to make an immediate and meaningful difference in an impactful organisation.

Key Responsibilities:

• Oversee the day–to–day finance function, ensuring all financial transactions are processed accurately, efficiently, and in line with established controls.
• Manage purchase and sales ledgers, payments, receipts, expenses, and account reconciliations to maintain accurate financial records.
• Lead invoicing and credit control activities, ensuring income is collected promptly and financial information remains up to date.
• Coordinate payroll and pension administration, working with internal and external stakeholders to ensure accurate and timely processing.
• Produce financial reports, analysis, and management information to support informed decision–making across the organisation.
• Monitor cash flow and financial performance, identifying risks and implementing appropriate solutions.
• Support year–end accounts preparation, audit processes, and compliance with statutory and regulatory requirements.
• Build and maintain strong relationships with auditors, banks, suppliers, funders, and other external stakeholders.
• Identify opportunities to improve financial systems, processes, controls, and reporting through the effective use of technology and automation.
• Provide financial guidance and support to managers and colleagues, promoting strong budget management and financial accountability.
• Work collaboratively across teams, contributing to wider organisational projects and supporting operational priorities as required.
• Maintain the highest standards of accuracy, confidentiality, and professionalism in all aspects of financial management.

Key Requirements:

• Recent, relevant experience in a similar finance management role with a charitable organisation, with varied knowledge across key finance functions including payroll, reconciliations, year–end, pensions, transactions, and reporting.
• Full or part qualified accountancy qualifcation (ACCA, ACA, CIMA, or CIPFA).
• Strong grasp of relevant systems, especially Sage 50, and Microsoft Excel.
• High level of organisation and attention to detail, with the ability to manage competing priorities and deadlines.
• Excellent interpersonal and communication skills, with the confidence to build strong stakeholder relationships.
• Collaborative and proactive approach, with the capability to work both independently and in a team.

CVs will be reviewed on a rolling basis so if you're interested, please apply ASAP with your CV in Word format.

At Prospectus, we believe recruitment should be human–led and we are committed to supporting you throughout your application journey. We welcome applicants from all backgrounds and do not discriminate based on age, gender, disability, race, religion, sexual orientation, marital status, or pregnancy/maternity. While AI may be used to support our administrative process, all applications are reviewed by people and all hiring decisions are made by experienced recruiters.