Finance Administrator (UK/US Support)

Role: Finance Administrator Reports into: Senior Finance Manager Contract Type: Full Time, working 7.5 hours per day, 5 days per week Location: Hybrid, working 3 days a week in our offices based in Old Street, London About Us Nothing is clearer to us than the belief that every woman should include strength training in her life to enhance both physical and mental well-being. It's about building strong bodies and even stronger minds, asserting their right to take up space in the gym, and allowing the spotlight to shine bright on their progress. To us, strength training represents a determined, goal-oriented mindset and an unwavering work ethic. We don't wait for success; we create it through hard work and determination. When faced with challenges, we don't back down; instead, we break through barriers, recognising that true progress lies on the other side. These are the pillars that form the foundation of Oner Active. We consistently challenge ourselves to create innovative and impactful products, so that you can perform better. With our range of products and innovative approach, we provide a wide variety of colours to ensure that all skin tones genuinely radiate in Oner. Our Purpose and Mission We are on a mission to unite and empower women to be the strongest version of themselves through strength training. We want to inspire women to take centre stage in the gym by promoting strength training, which underpins all movement and sport, as a healthy foundation in life. Our Benefits 25 days annual leave + bank holidays and work from anywhere up to 4 weeks a year 5% employer match salary sacrifice pension scheme Generous Oner Active discount plus regular office sample sales Free Evolve You subscription Private Healthcare with Vitality including optical and dental Monthly wellness allowance and team workout classes Start-up culture - the chance to learn and make a real impact Great employee events like our Summer party, Christmas party and team away days Healthy office snacks and fruit (plus a chocolate cupboard for a sweet treat for the balance) Dog friendly office About you: We are seeking a highly organised and detail-oriented Finance Administrator to support the financial operations of both our US and UK entities. This role involves hands-on transactional finance work, month-end support, data accuracy checks, and administrative tasks related to audits, fixed assets, and compliance. The ideal candidate is proactive, confident with numbers, and comfortable working across multiple systems and international teams. You’ll be responsible for: Accounts Payable & Compliance Process FedEx duty invoices accurately and on time. Monitor Sales Taxes for the US entity using Avalara and support ongoing compliance. Complete ONS surveys (excluding payroll). Financial Systems & Reconciliation Reconcile transactions in QuickBooks and ensure all coding is accurate and consistent. Assist with maintaining financial data integrity across Xero, QuickBooks, and supporting platforms. Month-End Support Support month-end close for the US entity, including uploading bank statements and organising monthly data in a user-friendly, structured format. Inbox & Communication Support Monitor US finance inboxes and provide support for US & UK email queries when required. Communicate confidently with internal teams and external stakeholders to resolve queries. Audit & Compliance Assist with audit tasks, including maintaining audit trails, completing administrative follow-up items (MLPs), and supporting auditors with documentation requests. Fixed Asset Management Maintain the Fixed Asset Register for the US entity and support the UK register as necessary. Help transition asset tracking from Asset Tiger to Sortly and ensure all assets are tagged and recorded accurately. You’ll need to have: AAT Level 3 & 4 qualified (or equivalent). Experience with Xero and QuickBooks is highly beneficial. Strong proficiency in Excel (formulas, data organisation, analysis). Confident and clear communicator. Solid understanding of double-entry bookkeeping and core accounting principles. Experience with Pleo is desirable. Familiarity with Shopify is desirable. Equality, Diversity, and Inclusion At Oner Active it’s about embracing diversity and empowering every individual to reach their full potential. We are committed to creating an environment where everyone feels valued, supported, and able to thrive. We welcome applications from all backgrounds and are dedicated to ensuring that everyone has equal access to opportunities during the recruitment process. If you require any reasonable adjustments or additional support, we encourage you to reach out to our Recruitment team — we’re here to support you every step of the way.