Assistant Accountant

Company: JSS
Apply for the Assistant Accountant
Location: London
Job Description:

We are partnering with a well-established and growing financial services organisation seeking a Part-Qualified Management Accountant to join its high-performing finance team, this role will likely start off as temporary and transfer in to a perm role.

This position offers broad exposure across financial control, management reporting, month-end close activities and process improvement projects. The successful candidate will work closely with senior finance stakeholders, gaining valuable exposure to a regulated environment while supporting the delivery of accurate financial information that drives business decision-making.

This is an excellent opportunity for an ambitious ACCA, ACA or CIMA student looking to accelerate their development within a collaborative and commercially focused finance function.

Key Responsibilities

Financial Control & Month-End Reporting

  • Prepare and post monthly journals across a range of balance sheet and profit & loss accounts.
  • Take ownership of key balance sheet reconciliations, ensuring items are fully investigated and resolved in a timely manner.
  • Manage and monitor suspense accounts, identifying discrepancies and driving resolutions with relevant stakeholders.
  • Support the monthly close process to ensure accurate and timely reporting.
  • Assist with the preparation of management accounts and supporting analysis.
  • Produce supporting schedules and commentary for monthly reporting packs.

Revenue & Technical Accounting

  • Support monthly revenue recognition processes, ensuring transactions are accounted for accurately.
  • Assist with the calculation and posting of Effective Interest Rate (EIR) adjustments.
  • Support the implementation and maintenance of robust financial controls.
  • Ensure compliance with internal accounting policies and relevant regulatory requirements.

Reporting & Business Partnering

  • Contribute to divisional and management reporting requirements.
  • Work closely with colleagues across Finance and the wider business to investigate variances and resolve accounting queries.
  • Support the preparation of information requested by senior management and external stakeholders.
  • Assist with the year-end audit process and statutory reporting requirements.

Process Improvement & Transformation

  • Identify opportunities to streamline reporting and finance processes.
  • Support finance transformation initiatives, automation projects and wider technology adoption.
  • Drive continuous improvement across financial control and reporting activities.
  • Help enhance reporting accuracy, efficiency and scalability as the business grows.

About You

We are keen to speak with candidates who can demonstrate:

  • Part-qualified ACA, ACCA or CIMA status, with a clear commitment to completing their studies.
  • Experience working within a Management Accounts, Financial Control, Assistant Accountant or similar finance role.
  • Practical experience supporting month-end close activities.
  • Strong understanding of journals, accruals, prepayments and balance sheet reconciliations.
  • Excellent attention to detail with a methodical and organised approach.
  • Strong Excel skills and confidence working with large volumes of financial data.
  • Ability to manage multiple deadlines in a fast-paced environment.
  • Strong communication skills and the confidence to liaise with stakeholders across different teams.
  • A proactive mindset with a genuine interest in process improvement and automation.
  • Previous experience within financial services, banking, lending, fintech or another regulated environment.
  • Exposure to revenue recognition methodologies.
  • Experience supporting external audits and regulatory reporting processes.
  • Knowledge of financial systems and reporting tools.

What’s on Offer:

  • Hybrid working arrangement with excellent work-life balance.
  • Full study support package for professional qualifications.
  • Exposure to a broad and technically interesting finance role.
  • Opportunity to work within a growing and evolving business.
  • Strong mentorship and development from experienced finance leaders.
  • Clear progression opportunities as the finance function continues to expand.

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Posted: October 15th, 2026