About the role

The Expenses Auditor will be part of our client’s (CMS) Finance team, being responsible for reviewing, validating and auditing expense claims and reports to ensure compliance with firm policy, HMRC requirements and legal sector standards. The role safeguards financial integrity, detects fraud or errors and supports operational efficiency by enforcing robust controls and providing assurance to management.

Key Responsibilities

1. Expense Audit and Compliance

• Audit expense reports for compliance with company policies, legal requirements and HMRC rules

• Verify the legitimacy, accuracy and completeness of expense claims, including supporting documentation (e.g., VAT receipts, business purpose, approval workflows)

• Ensure expenses are claimed within policy deadlines (e.g., 90 days from expenditure) and escalate exceptions for approval

• Identify and investigate anomalies, duplicate claims, overcharges, or non-compliant submissions

• Review high value expense claims for validity

• Detect and prevent fraudulent or erroneous claims, reporting breaches and recommending corrective actions

2. System and Process Management

• Use expense management systems (e.g., Emburse Enterprise – (Chrome River), 3E, CTM, other Travel Feeds and Credit Cards to review, process and track claims

• Manage audit trails, export/import data and maintain accurate records for internal and external audits

• Support system upgrades, app rollouts and user access management, ensuring controls are maintained

3. Policy Enforcement and Advisory

• Communicate policy requirements and updates to claimants and approvers

• Advise on best practice for expense submission, documentation, and compliance

• Provide feedback and training to staff on expense policy, system use, and audit findings

• Escalate persistent breaches, repeat offenders or high-risk cases to senior management

4. Reporting and Analytics

• Prepare audit reports, summaries and recommendations for management

• Analyse expense data to identify trends, risks and opportunities for process improvement

• Contribute to dashboards and management information for budget holders and finance teams

• Reconciliations of Claims to Payments. Reconciliations of Payments to Supplier Invoices for Travel and Credit Card Feeds

5. Legal Sector Specifics

• Ensure compliance with legal sector requirements, including client

confidentiality, GDPR and professional conduct

• Liaise with legal teams, partners, tax team, and external auditors as required

Requirements

Essential

• Degree in accounting, finance, business or equivalent experience
• Strong understanding of accounting principles, expense management and audit processes
• Attention to detail, analytical thinking and problem-solving skills
• Proficiency in expense management software, ERP systems and Microsoft Excel
• Effective written and verbal communication skills
• Ability to work under pressure and manage conflicting priorities
• Knowledge of HMRC rules, VAT compliance and legal sector expenses practices

Desirable

• Experience in the legal sector or professional services
• Data analytics and reporting skills
• Experience with continuous auditing, fraud detection, and risk assessment
• Financial audit, IT audit or corporate fraud qualification

If you are interested in this position, you can send your CV via e-mail, as well, at: ioana.andrei@modular.services