Outsourcing Senior

Greater London, England, United Kingdom

7/11/2025

As one of the world's largest networks of audit, tax and consulting firms, RSM delivers big ideas and premium service to help middle-market businesses thrive. We are a fast-growing firm with big ambitions -- we have a clear goal to become the premium adviser to the middle market, globally. This vision touches everything we do, motivating and inspiring us to become better every day. If you are looking for a firm where you can build a future and make an impact, then RSM is the place for you.

Outsourcing Senior

Make an Impact at RSM UK

RSM’s Finance Function Support team is a leading market focused business, providing corporate accounting services to national and multinational corporations, with a focus on helping them to remain compliant and providing insights to their operations. The team provides a comprehensive range of outsourcing services to its clients and are looking for an Outsourcing Senior to join us in our London office.

You’ll make an impact by:

• Acting as the controller for a portfolio of clients including WIP/billing management
• Leading the reporting of management accounting information and ensuring the smooth running of the finance function
• Owning the client relationship, maintaining regular communication with client principals and building strong, trusted relationships
• Opportunity for supporting the preparation and filing of statutory accounts for the same portfolio of clients, working on the complete compliance cycle. This includes preparing and/or managing statutory accounts under FRS102 or IFRS, handling group reconstructions and accounting considerations, converting to different GAAPs, drafting technical analysis, and providing acquisition accounting support
• Responsibility for supervising and coaching Assistants within the team on bank reconciliations and sales/purchase ledger activities
  
  
  

What we are looking for:

We value diverse experiences and perspectives. Here’s what we’re looking for in our ideal candidate:

• Part or Fully qualified ACCA/ACA
• Experience of working in a professional practice, ideally in an equivalent Outsourcing team.
• Experience of supervision of junior staff
• Strong time management and organisational skills and adhering strictly to client reporting deadlines.
• A strong understanding of UK financial reporting requirements (UK GAAP)
• Ability to demonstrate commercial awareness to financial management of own portfolio.
  
  
  

What we can offer you:

We recognise that our people are our most important assets. That’s why we offer a flexible reward and benefits package that will help you have fulfilling experience, both in and out of work.

• Hybrid and Flexible working (at least 3 days per week on site)
• 26 Days Holiday (with the option of purchasing additional days)
• Lifestyle, Health, and Wellbeing including financial wellbeing benefits such as financial tools, electric car scheme and access to a virtual GP.
• Access to a suite of 300+ courses on demand developed by our inhouse Talent Development team.
  
  
  

Diversity and Inclusion at RSM

At RSM, we want to create a strong sense of belonging so that people of all identities, backgrounds, and cultures feel they can bring their true self to work. Our clients come from all walks of life. We aim to achieve that same diversity of background, experience and perspective in our own teams, so that we can genuinely understand our client's needs. Diverse teams bring a broader range of ideas and insights to work. That's why we're working together to ensure our firm's principles and processes support a firm culture that embraces difference and strengthens inclusion.