Senior Commercial Finance Manager (Permanent)

New Yesterday

Mustard is looking for an enthusiastic and experienced Finance Manager to join our growing team. As Finance Manager – UK at Mustard, you'll be at the heart of our UK and European finance function, managing day-to-day bookkeeping, ensuring accurate compliance, and working hand-in-hand with our external accountant to meet all statutory requirements. You'll lead the UK delivery of our finance processes, providing timely data and analysis to support commercial decision-making across our growing global business.
This role is ideal for a detail-driven, fully qualified finance professional who's excited by the pace and variety of a fast-scaling global e-commerce brand. You'll work closely with our Head of Finance and play a key part in strengthening Mustard's financial foundations and commercial clarity.

This is a fantastic opportunity for someone who wants to step into a business-facing role, gain exposure to a global setup, and grow into future leadership as our finance team expands.

We're two sisters, living on opposite sides of the world, on a global mission to inspire our community to create spaces that truly reflect who they are - whether at home, at work, or at play. Through our pretty and practical products, we help people design colourful, organised, and joyful spaces, growing a brand that feels just as good on the inside as it looks on the outside!

Take ownership of finance operations in a fast-growing global e-commerce brand
Work on exciting projects that directly impact customers around the world
Bookkeeping + Month-End
Maintain accurate bookkeeping in Xero for UK and European operations, ensuring transactions are correctly coded and documented
Ensure a timely month-end close and deliver clean books for the Head of Finance to prepare management accounts
Coordinate accruals, prepayments, and journals with the Head of Finance oversight
Finalise year-end close and ensure financial records are complete and audit-ready
Monitor data flows from Shopify and our Inventory Management System (CIN7) into Xero to ensure consistency and accuracy

Compliance + External Accounting
Assist with the preparation of statutory accounts and the corporation tax return, ensuring accurate data handover
Coordinate with the UK accountant on tax, compliance and reconciliation regularly
Maintain compliance-ready finance records and provide timely responses to accounting queries
Collaborate with the Australian Business Operations Manager to ensure global consistency in finance practices

Accounts Payable + Receivable
Oversee wholesale debtor management and follow-up with the sales team on overdue accounts receivable - UK, Europe and USA. 
Assist in the setup of new supplier and customer accounts, ensuring proper documentation

Payroll + Banking
Oversee monthly UK payroll in coordination with the external accountant
Review pension scheme submissions and payroll journals
Conduct bank and credit card reconciliations regularly
Monitor FX exposures and support the Head of Finance in assessing implications

Support the preparation of monthly management accounts and performance commentary
Provide ad hoc analysis and financial data for the wider team
Monitor financial controls and workflows for efficiency and risk mitigation
Align with the Head of Finance on commercial priorities and budgeting needs across departments
Assist in consolidating data across multiple currencies and markets (UK, EU, US, AU) for group-level reporting

You're a fully qualified accountant (ACCA, ACA, or CIMA)
You have at least 3 years' post-qualification experience in a hands-on finance role, ideally with exposure to international operations
You're confident working independently, liaising with external accountants, and keeping financial operations accurate and on track
You have a strong understanding of UK VAT and EU intra-community sales
You're experienced with Xero and comfortable using cloud-based finance systems
You're competent in Excel or Google Sheets and confident working with multiple currencies
You've worked in an e-commerce, retail, or inventory-based business
Flexible working hours
Hybrid office schedule (3 days in-office)
Paid personal + carers leave

Competitive salary based on experience (£52-£55k DOE)
Colourful office space in Camden NW1
Your own personal and professional development budget
Immediate start to the right candidate

22 days holiday (plus bank holidays)
Regular team lunches & creative socials
50% team discount on Mustard products

Want some bonus points?
Apply
Location:
City Of London, Greater London
Salary:
£55,000,000

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