Title: Assistant Management Accountant

Location: London (Hybrid — 1–2 days per week in office)

Employment type: Full-time

Reports to: VP Finance

This is a 12-month fixed term contract, covering maternity leave with the possibility of extension.

About Fonix

Fonix is a fast-growing, publicly listed payments and messaging technology company. We help some of the biggest brands engage customers and take frictionless mobile payments, with operations spanning the UK, Ireland, France, Switzerland and Portugal. Our finance team is small and fast paced, and this role is a great fit for someone part-qualified who's ready to develop their finance career.

The Role

You'll own the preparation of management accounts for our growing French subsidiary, handling balance sheet reconciliations and VAT across multiple territories, including regular contact with accountants and advisors in different territories.

Alongside that, you'll flex into day-to-day finance operations when the wider team needs an extra pair of hands. It's a great opportunity to broaden your experience across international entities while turning your exam knowledge into real, hands-on experience.

What You'll Be Doing

Management Accounts

Contributing to the preparation of group management accounts, with particular ownership of our French subsidiary
Delivering a timely, accurate month-end close, including journals for accruals, prepayments, deferred income and other adjustments
Owning the relationship with our external French accountants
Reviewing balance sheet reconciliations across multiple group entities and investigating differences
Ensuring intercompany transactions are recorded and reconciled

Tax

Managing payroll and payroll tax compliance
Preparing VAT returns for multiple entities, and maintaining supporting VAT reconciliations
Liaising directly with accountants and advisors across different territories

Transactional Operations

Providing operational support to the Finance Assistant on day-to-day transactional work — invoice processing, payment runs, accruals and revenue reconciliations — stepping in wherever it's needed most

Audit & Team Support

Playing a key role in the year-end audit, and being a go-to person for finance queries from suppliers, customers and colleagues

What We're Looking For

Part-qualified accountant (ACCA, CIMA or ACA), actively studying
3+ years of relevant finance experience with month-end or management accounts exposure
Excellent attention to detail and a high level of accuracy
Proactive with strong problem-solving skills — autonomous, comfortable setting your own priorities
Strong Excel skills; organised and reliable with a varied, deadline-driven workload
Hands-on experience with Xero is preferable
Looking to build on your experience and take on broader ownership

Why Join Fonix?

Real ownership of a broad, technically varied finance remit from day one
Growing PLC with scale-up energy
Close access to senior finance leadership
Direct exposure to international entities across France, Ireland, Switzerland and Portugal
Hybrid working (1–2 days per week in our central London office)

Salary, Benefits and Hours

Competitive salary, dependent on experience
25 days holiday + bank holidays + your birthday off
Free breakfast in the office on Thursdays, Cycle to Work Scheme, and regular team socials
Support for professional development and study
9:00am to 5:30pm, Monday to Friday

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Fonix

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Assistant Management Accountant