Finance Assistant

Office Angels; London; Hybrid; GBP 15,000 - 26,000; Part time

Job summary

A leading agency in Westminster is looking for a Part-Time Financial Assistant to manage complex financial processes while supporting senior management. This role requires advanced skills in Excel and financial modelling, along with experience in handling secure information. You will work 16-24 hours per week, initially in-office with potential hybrid flexibility. Ideal candidates will demonstrate meticulous attention to detail and confidence in managing complex financial tasks.

Qualifications

• Skilled in financial modelling and data manipulation.
• Experience with secure systems and information handling.
• Qualification in bookkeeping or accounting preferred.

Responsibilities

• Support director with advanced spreadsheet work and financial modelling.
• Handle bank runs and transactions documentation.
• Import/export complex financial data sets.

Skills

Financial modelling

Data manipulation

Bookkeeping

Sage

Excel

Secure information handling

Education

Qualification in bookkeeping or accounting

Tools

Sage

Excel

Job description

Part-Time Financial Assistant (16-24 hours/week)

Location: Westminster, London (Office-based initially, with hybrid flexibility)
Schedule: 2-3 Days per Week (16-24 Hours)
Reporting to: Secretary and Director

About the Role

Westminster is seeking a skilled and experienced Financial Assistant to support both the Director and Secretary in managing and streamlining complex financial processes.

This role is not administrative or basic data entry. It requires someone who is comfortable working with large data sets, advanced spreadsheets, and financial modelling, while handling secure and sensitive information with discretion.

️ Key Responsibilities

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  Support the Director with advanced spreadsheet work, financial modelling, and data organisation

  
  


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  Handle bank runs and manage transactions documentation

  
  


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  Import/export, clean, and present complex financial data sets

  
  


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  ️ Assist in the upgrade of internal IT and data systems

  
  


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  Liaise with external consultants to help build and refine financial databases

  
  


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  Work with Sage and other accounting software systems

  
  


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  Ensure secure data management in line with best practices

  
  


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  Interact with high-profile clients and stakeholders in a professional and committed manner

  
  

What We're Looking For

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  A qualification or background in bookkeeping or accounting (formal certification is a plus but not required)

  
  


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  Highly skilled in Excel, financial modelling, and data manipulation

  
  


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  Experience with databases, secure systems, and information handling

  
  


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  Strong understanding of Sage and other accountancy platforms

  
  


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  Independent, meticulous, and highly professional

  
  


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  Ability to work in-office initially, with potential for WFH flexibility once established

  
  

Ideal Candidate

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  Brings experience, attention to detail, and confidence in handling complex financial tasks

  
  


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  Is sharp, analytical, and comfortable working closely with senior leadership

  
  


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  ️ Has a "problem-solving" mindset and is proactive with data and systems

  
  

Additional Details

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  Not a full-time office role - this is 2-3 days per week (16-24 hours total)

  
  


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  ️ Interview process: One in-person interview

  
  

If you're a highly capable financial assistant looking for a meaningful and flexible part-time opportunity within a respected Westminster-based team, we'd love to hear from you.

Office Angels is an employment agency and business. We are an equal-opportunities employer who puts expertise, energy and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, abilities and more. By showcasing talents, skills and unique experiences in an inclusive environment, we help individuals thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

Office Angels acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers. Office Angels UK is an Equal Opportunities Employer.

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