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Finance Assistant

  • Treehouse
  • 40 hours a week over 5 days
  • £30,000/yr + Tronc

You'll need a CV to apply.

Location: Treehouse Hotel London

Department: Finance

We're looking for a motivated, organised and detail-focused Finance Assistant to join the Finance team at Treehouse Hotel London.

This is a great opportunity for someone who enjoys working with numbers, takes pride in getting the details right and wants to develop their finance experience within a busy hotel environment.

Working closely with the Finance Manager and wider hotel team, you'll help ensure the smooth running of the hotel's day-to-day finance operations, supporting accurate reporting, timely payments and effective financial controls.

What you'll be doing

  • Processing purchase invoices and ensuring they are correctly coded and authorised.

  • Supporting supplier payments and responding to supplier queries.

  • Assisting with the reconciliation of supplier statements and resolving discrepancies.

  • Supporting daily banking, cash and credit card reconciliations.

  • Assisting with income audits and ensuring hotel revenue is accurately recorded.

  • Supporting month-end processes and preparation.

  • Maintaining accurate financial records and ensuring documentation is filed appropriately.

  • Working with department managers to follow up on invoice queries and outstanding information.

  • Providing general administrative support to the Finance team.

What we're looking for

  • Previous experience in a finance, accounts or administration role would be beneficial.

  • Good attention to detail and a methodical approach to work.

  • Confident using Microsoft Excel, Procure Wizard amongst other programmes.

  • Good organisational skills and the ability to manage competing priorities.

  • A proactive attitude, willingness to learn and a hands-on approach.

  • Someone who communicates well and enjoys working as part of a team.

Why Cairn Group?

Our People First culture combines ambitious standards with genuine support, creating an environment where individuals are trusted to perform, encouraged to grow and recognised for the contribution they make. We believe success is built through collaboration, accountability and a shared commitment to excellence, giving our people the foundation to build long-term careers with purpose.

What you'll enjoy as part of the team

At Cairn Group, we recognise that our people are at the heart of our success. That's why we offer a range of benefits designed to support your wellbeing, reward your contribution, and help you build a rewarding career with us.

As part of the Cairn team, you'll enjoy:

  • Incentives and Service Charge (site specific)

  • Discounted stays across our hotels and venues

  • Food, beverage, spa and leisure discounts

  • Access to retail, entertainment and lifestyle discounts

  • Leadership and career development programmes

  • Long service awards recognising your commitment and contribution

  • Refer-a-friend scheme

  • Employee Assistance Programme offering confidential support whenever you need it

  • Health Care Cash Plan

  • Meals on duty

  • Wellbeing resources and support

  • Opportunities to develop and progress across our diverse hospitality portfolio

We're committed to creating an environment where people feel supported, valued and empowered to grow. Whether you're starting your career or taking the next step in leadership, Cairn Group offers the opportunity to build a career with purpose, alongside a team that's stronger together.

About Treehouse Hotel London

Treehouse Hotel London is a playful, one-of-a-kind lifestyle hotel high above Marylebone, inspired by the sense of adventure and freedom of childhood treehouses. Warm, nostalgic and full of unexpected details, Treehouse brings together spectacular London views, imaginative spaces and destination dining at Madera and rooftop bar The Nest, creating a hotel experience that’s anything but ordinary.

Join us and help create exceptional experiences every day.

© 2026 Cairn Group