Interim Management Accountant - 3-6 month FTC - Office Based

Interim Management Accountant

Reporting to: Group Financial Controller

Location: London (West End)

Qualification: Fully Qualified Accountant (ACA/ACCA/CIMA)

Format: 5 days in the office per week.

Duration: 3-6 months Fixed Term Contract

Overview

Our client, a high growth AI driven tech business, is seeking a motivated and detail-driven Management Accountant to support their growing international finance function for 3-6 months.

You will take ownership of the monthly management accounts for the parent company, act as a key point of contact within the finance team, and help strengthen our controls, reporting, and systems as we grow. This role offers meaningful responsibility from day one and the chance to contribute to transformation projects, including our upcoming NetSuite implementation.

Key Responsibilities

Management Reporting & Month-End

• Prepare monthly management accounts for the parent company, ensuring accuracy and insight.
• Own key month-end processes including journals, accruals, prepayments, reconciliations, and balance sheet reviews.
• Explain results, variances, and trends to the Group FC and senior finance team.

Financial Operations

• Oversee sales and purchase ledger processing, ensuring correct coding and timely posting.
• Complete intercompany reconciliations and maintain accurate company ledgers.
• Prepare debtor and creditor reports with commentary for senior stakeholders.

Audit, Controls & Compliance

• Act as the key contact for internal and external audits, supporting schedules and documentation.
• Support ongoing development of financial controls across a high-growth, multi-entity environment.
• Exposure to SOX / US GAAP frameworks (experience beneficial but not essential).

Projects & Business Support

• Support the NetSuite implementation including UAT, process mapping, and system optimisation.
• Assist with the annual budgeting and forecasting process.
• Provide ad-hoc financial analysis and support to the wider finance team as required.

Experience & Background

• Fully qualified accountant (ACA/ACCA/CIMA).
• +2 years post-qualification Management Accounting experience in a fast-paced, growing or international business.
• Experience within a listed, multi-country or high-growth environment desirable.
• Strong Excel skills and working knowledge of ERP systems (currently QuickBooks; migrating to NetSuite).
• Strong communication skills, with the ability to engage and influence stakeholders across functions.

Skills & Attributes

• Clear communicator with the ability to present financial information confidently and simply.
• Highly organised with the ability to manage deadlines across month-end, quarter-end and year-end cycles.
• Proactive, self-motivated and resilient — able to thrive in a dynamic, changing environment.
• Strong problem-solver with exceptional attention to detail.
• Collaborative team player who brings energy and professionalism.
• Proficiency across Microsoft Office (particularly Excel, Word, PowerPoint and Outlook).