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Assistant Management Account - Supply Chain

Mountain Warehouse
Posted Jun 9, 2026, 9:43 PM UTC
United KingdomHybridOperations & Admin
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Reports to: Finance Manager
Key Stakeholders: Finance Business Partners

Overview

We're looking for an ambitious Assistant Management Accountant to join our Finance team. This is a fantastic opportunity for someone who enjoys combining strong management accounting fundamentals with commercial insight, analysis and continuous improvement.

Working closely with the Finance Manager and wider Finance team, you'll play a key role in period-end reporting, financial control and performance analysis across the retail business. The role offers exposure to a broad range of finance activities and provides an excellent opportunity to develop towards a qualified Management Accountant position.

Key Responsibilities

Month-End and Financial Reporting

  • Prepare and post period-end journals, ensuring accurate and timely recording of income and expenditure.
  • Calculate and post accruals, prepayments and other accounting adjustments in line with accounting standards and company policies.
  • Review ledger activity on a regular basis to support a smooth and efficient month-end close process.
  • Work closely with the Accounts Payable team to ensure accurate coding and posting of invoices.
  • Complete balance sheet reconciliations to agreed deadlines, investigating and resolving reconciling items promptly.
  • Assist in the preparation of monthly management accounts and reporting packs.

Business Partnering and Analysis
  • Produce regular financial and operational reporting to support informed decision-making across the business.
  • Analyse financial performance against budget, forecast and prior year.
  • Provide meaningful insight into key cost drivers, trends, risks and opportunities.
  • Support Finance Business Partners and operational stakeholders with ad hoc analysis and financial information requests.
  • Assist with the preparation of budgets, forecasts and reforecasts.
  • Contribute to the preparation of clear and concise commentary on business performance.

Controls and Compliance
  • Support the year-end process, including audit deliverables and responding to auditor queries.
  • Ensure accounting records are maintained accurately and in accordance with company policies and accounting standards.
  • Help maintain a strong financial control environment through adherence to established processes and procedures.
  • Identify and resolve issues affecting financial accuracy in a timely manner.

Continuous Improvement
  • Support the development and enhancement of financial reporting, systems and processes.
  • Identify opportunities to improve efficiency, accuracy and automation within finance activities.
  • Contribute to projects aimed at improving financial controls and management information.

We would like to meet someone who is


Essential
  • Minimum 3 years' experience working within a finance team in a fast-paced, high-volume environment.
  • Studying towards a professional accountancy qualification (ACCA, CIMA, ACA or equivalent) or actively looking to study.
  • Strong understanding of management accounting principles and month-end processes.
  • Advanced Excel skills and confidence working with financial systems.
  • Strong analytical and problem-solving abilities.
  • Excellent attention to detail and commitment to accuracy.
  • Strong organisational skills with the ability to manage competing priorities.
  • Effective communication skills and the ability to build relationships with both finance and non-finance stakeholders.

Desirable
  • Experience within a retail, consumer-facing or multi-site business.
  • Exposure to budgeting, forecasting and financial analysis.
  • Experience working with ERP or integrated finance systems.

Benefits

  • Competitive salary and benefits package
  • Hybrid working, 3 days in London based office & 2 working from home
  • Holiday allowance
  • 50% staff discount & 25% for family and friends
  • Pension scheme

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