Part time Expenses & Accounts Assistant

Parkside; Greater London; On-site; GBP 12,000 - 23,000; Part time

Job summary

Parkside is seeking an experienced Expenses & Accounts Assistant to join the Finance team on a part-time, office-based schedule (Wednesday–Friday, 9:00am–5:30pm; 22.5 hours weekly). The role focuses on end-to-end employee expense management, ensuring claims are accurate, compliant with HMRC rules and company policy, and efficiently processed.

Candidate should review expenses, challenge anomalies, and support Credit Control and broader finance functions.

Qualifications

• Experience as Finance/Accounts Assistant with employee expenses responsibility.
• Knowledge of HMRC guidance on business expenses.
• Ability to review and challenge expense claims and ensure compliance.
• Experience administering corporate credit cards.
• Strong numerical accuracy and attention to detail.
• Experience in Credit Control or Sales Ledger is advantageous.
• Proficient in Excel, Outlook and Word.

Responsibilities

• Own the employee expense management system.
• Review, validate and process expense claims per policy and HMRC.
• Query claims requiring clarification.
• Guide employees on company policy for expenses.
• Manage corporate credit card programme and records.
• Produce monthly and ad hoc expense reporting.
• Investigate invoice discrepancies and prepare corrections.
• Support Credit Control by managing customer accounts and resolving queries.
• Respond to finance queries from employees and stakeholders.
• Provide support across the Finance team.

Skills

Employee expenses management

Expense policy compliance

Credit control

Excel

Communication

Attention to detail

Education

AAT qualification

Tools

Microsoft Excel

Outlook

Word

Job description

Expenses & Accounts Assistant (Part–Time)

Office Based Wednesday – Friday
9:00am – 5:30pm (22.5 hours per week)

Are you an experienced Finance Assistant with strong employee expenses knowledge and an understanding of HMRC expense rules and company expense policies?

Our client is looking for a detail–oriented Finance Assistant to join their Finance team in a varied part–time role. This position has a strong focus on the end–to–end management of employee expenses, ensuring all claims are accurate, compliant and processed efficiently, while also providing support across Credit Control and the wider Finance function.

This role would suit someone who is confident reviewing expense claims, isn't afraid to question unusual submissions, and understands the importance of ensuring expenses comply with both company policy and HMRC guidelines.

We're looking for someone who has:

• Previous experience in a Finance Assistant or Accounts Assistant position with significant responsibility for employee expenses.
• A good understanding of HMRC guidance relating to business expenses and the ability to ensure claims are processed compliantly.
• Confidence reviewing expense claims, identifying anomalies and asking the right questions where claims do not meet policy or require further clarification.
• Experience administering corporate credit card expenses.
• Strong attention to detail with excellent numerical accuracy.
• Previous experience within Credit Control or Sales Ledger would be advantageous.
• Good working knowledge of Microsoft Excel, Outlook and Word.
• Excellent communication skills with the confidence to liaise professionally with employees at all levels.
• An AAT qualification (or equivalent experience) would be beneficial.

Key Responsibilities

• Take ownership of the company's employee expense management system.
• Review, validate and process employee cash and corporate credit card expense claims in line with company policy and HMRC regulations.
• Confidently challenge or query expense claims where further clarification or supporting documentation is required.
• Ensure employees are claiming expenses correctly and provide guidance on company policy when needed.
• Manage the corporate credit card programme, including issuing cards, maintaining user records and ensuring timely submission of statements and receipts.
• Produce monthly and ad hoc expense reporting.
• Investigate invoice discrepancies and prepare invoice or credit note corrections where required.
• Support the Credit Control function by managing customer accounts, allocating receipts and resolving account queries.
• Respond to finance queries from employees, customers and internal stakeholders.
• Provide support across the wider Finance team as required.

What's on Offer

• Part–time position (22.5 hours per week)
• Office–based role within a supportive Finance team.
• A varied role with genuine responsibility and autonomy.
• Competitive salary and benefits.

If you have experience managing employee expenses, understand HMRC requirements, and enjoy ensuring finance processes are accurate and compliant, we'd love to hear from you.