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About the Role

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.

Responsibilities

Assist reconciling transactions in Xero and QuickBooks and ensure all coding is accurate and consistent.
Assist with maintaining financial data integrity across Xero, QuickBooks, and supporting platforms including Payhawk.
Support month-end close for all entities, including organising monthly data in a user-friendly, structured format.
Support in the set up with Payhawk & process improvements as we move to a more streamline PO system.
Monitor billing inboxes and provide support for US & UK email queries when required.
Communicate confidently with internal teams and external stakeholders to resolve queries.
Assist with audit tasks, including maintaining audit trails, completing administrative follow-up items (MLPs), and supporting auditors with documentation requests.
Assist with the implementation of new policies and procedures, including assisting with formal documentation of these.

Requirements

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 Payhawk is desirable.
Familiarity with Shopify is desirable.

Skills

Xero
QuickBooks
Excel
Payhawk
Shopify
Double-entry bookkeeping
Accounting principles

Location

Old Street, London

Work Type

Full Time
Hybrid

Education Level

AAT Level 3 & 4 qualified (or equivalent)

Benefits

25 days annual leave + bank holidays
Freedom to work from anywhere for up to 4 weeks a year
5% employer pension match through salary sacrifice scheme
Generous Oner Active discount
Regular office sample sales
Free Evolve You subscription
Private Healthcare with Vitality, including optical and dental cover
Monthly wellness allowance
Team workout classes
Annual discretionary bonus scheme
Family-friendly maternity & paternity policies
Start-up culture with hands-on management and career mentoring
Great employee events (Summer party, Christmas party, team away days)
Healthy office snacks, fresh fruit, and a coffee and matcha bar
Chocolate cupboard
Dog-friendly office

About the Company

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.
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.

Equal Opportunity

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.