Interim Assistant Management Accountant

The Interim Assistant Management Accountant supports month-end reporting and daily finance operations, including invoicing, reconciliations, payment runs, and handling customer finance queries. They also play a key role in maintaining data accuracy while assisting the team with testing, data checks, and transition activities during the implementation of a new finance system.

Client Details

The client operates within the technology sector, focusing on delivering high-quality solutions and maintaining efficient internal operations. They are currently enhancing their financial processes and systems to support ongoing growth and organisational development.

Description

• Support month-end reporting through accurate ledger postings, reconciliations, and preparation of management account schedules.
• Carry out operational finance tasks including processing purchase invoices, running payment cycles, VAT support, and maintaining supplier/ledger data.
• Manage the shared finance inbox, resolving invoice and payment queries promptly and professionally (primarily from schools/customers).
• Raise accurate customer invoices, send them on time, and ensure payments are allocated correctly through bank reconciliations.
• Assist with the implementation of a new finance system, including user testing, data checks, process walkthroughs, and transition support.
• Maintain high levels of accuracy and financial control across all transactional processing, approvals, and reconciliations

Profile

The successful Interim Assistant Management Accountant should have:

• Hands-on finance experience, confidently managing payment runs, purchase invoice processing, sales invoicing, reconciliations, and a busy finance inbox.
• Exceptionally accurate and detail-focused, with a methodical approach to spotting errors, mismatches, or missing approvals before they escalate into month-end issues.
• Calm, professional, and service-driven, able to support internal colleagues and external customers (including schools) with clarity and responsiveness.
• Adaptable and comfortable with change, ready to learn new systems quickly and support the finance team through a system implementation, including testing and data checks.
• Strong Excel and systems capability, confident working with data exports, templates, reconciliations, and structured spreadsheets.
• Clear communicator and collaborative team player, willing to raise issues early and keep stakeholders informed.
• Financially trained or qualified, ideally AAT, part-qualified CIMA/ACCA, or possessing equivalent experience within finance operations or an assistant management accounting role.

Job Offer

• A varied and impactful finance role where you'll support both operational finance and month-end reporting, gaining exposure across the full accounting cycle.
• The chance to play a key role in a finance system implementation, building your systems knowledge and contributing to meaningful process improvements.
• A supportive, collaborative team environment within a technology-focused organisation that values accuracy, communication, and continuous improvement
• 5 Days on site, time spent in a modern office environment
• A competitive hourly rate from £15-£20, aligned to experience and responsibility.
• An immediate-start, 6-month contract offering stability, structure, and the opportunity to make a real impact from day one.