Interim - Financial accountant

Interim Financial Accountant

7-Month Fixed-Term Contract
Up to £255 per day
Hybrid – London

Help strengthen the financial foundations of a leading international charity.

Are you a technically strong Financial Accountant looking for an opportunity to make a real impact?

We're partnering with a globally recognised not-for-profit organisation seeking an experienced Financial Accountant to join its Finance team on a 7-month contract. Supporting an organisation with an annual turnover of approximately £35 million, you'll play a key role in maintaining a robust financial control environment while helping drive continuous improvement across finance processes.

This is an excellent opportunity for someone who enjoys combining technical accounting with process improvement, stakeholder engagement and financial control.

The Role

Working closely with the Financial Controller, you will ensure the integrity of financial information, strengthen internal controls and support statutory reporting. You'll also act as a trusted adviser to colleagues across the organisation, helping non-finance stakeholders navigate financial policies and procedures.

Key Responsibilities

• Lead the reconciliation of all balance sheet accounts and resolve outstanding issues.
• Manage intercompany reconciliations and payroll control accounts.
• Maintain the fixed asset register and process depreciation journals.
• Oversee the sales ledger, ensuring accurate reconciliations and reporting.
• Support VAT compliance and statutory reporting requirements.
• Assist with year-end accounts preparation and external audit.
• Produce high-quality balance sheet analysis and identify opportunities to improve financial processes.
• Support budgeting, forecasting and financial planning activities.
• Review financial controls and help implement process improvements across the finance function.
• Provide technical accounting advice to finance and non-finance colleagues.
• Line manage and develop a Finance Administrative Assistant.
• Provide support across the wider finance team as required.

About You

We're looking for someone who is technically strong, analytical and enjoys improving financial processes.

You'll bring:

• A strong background in financial accounting and balance sheet control.
• Experience completing complex balance sheet reconciliations.
• Good knowledge of VAT accounting and financial controls.
• Excellent Excel skills and confidence working with financial systems.
• Experience supporting statutory accounts and external audits.
• The ability to communicate technical financial information clearly to non-finance stakeholders.
• A proactive approach with excellent organisational skills and the ability to manage competing priorities.

Desirable Experience

• Charity or not-for-profit sector experience.
• Knowledge of SORP accounting.
• Experience with financial reporting systems such as JET, Vision or similar.
• Previous involvement in finance process improvement or transformation projects.

Why Apply?

This is an opportunity to join an organisation making a genuine difference on a global scale while working in a collaborative and values-driven finance team. You'll gain exposure to technical accounting, audit, financial controls and business partnering, with the chance to influence how finance supports the wider organisation.

If you're looking for a contract where your technical expertise and eye for process improvement will be genuinely valued, we'd love to hear from you.