Interim Financial Accountant

Mackie Myers; London; Hybrid; GBP 30,000 - 40,000; Full time

Job summary

A professional membership body in London is seeking a temporary Senior Accounts Assistant to oversee Accounts Receivable and reconciliations during a finance system transformation. The role offers a day rate of around £225 and the potential for a permanent position with an excellent benefits package. The ideal candidate will have experience in managing high-volume transactions and a solid grasp of finance systems, preferably Microsoft Dynamics.

Benefits

Day rate of around £225

Immediate start

Potential for a permanent role

Hybrid working

Qualifications

• Strong background in Accounts Receivable and reconciliations with proven experience handling volume.
• Skilled in using finance systems, ideally Microsoft Dynamics or similar.
• Confident, adaptable, and able to work with minimal supervision.

Responsibilities

• Managing Accounts Receivable processes, including invoicing and debt chasing.
• Handling high volumes of transactions across multiple payment platforms.
• Supporting reconciliations for bank accounts and payment providers.

Skills

Accounts Receivable management

Microsoft Dynamics

Reconciliation skills

Adaptability

Strong interpersonal skills

Education

AAT qualification or working towards

Tools

Microsoft Dynamics

Job description

Overview

Senior Accounts Assistant (Temporary, with potential permanent opportunity)

A hands-on Senior Accounts Assistant role with a focus on Accounts Receivable and reconciliations. Ideal for someone with strong systems experience (Microsoft Dynamics / Business Central) who thrives in a busy, high-volume environment. Applicants should be confident, personable, and able to hit the ground running with minimal handholding.

Our Client

A professional membership body with over 300 employees, offering qualifications, training, and examinations to its members. They operate with a collaborative culture and are currently undergoing finance system transformation.

The Role

This is a 6-month temporary role (starting 20 October) to support the finance team during a busy transition period, with potential for a permanent role.

• Managing Accounts Receivable processes, including invoicing, debt chasing and reconciliations
• Handling high volumes of transactions across multiple payment platforms
• Supporting reconciliations for bank accounts and payment providers
• Assisting with refunds and allocations, ensuring accuracy and compliance
• Working with Microsoft Dynamics (F&SCM / Business Central) during a system implementation phase

The Successful Candidate

• Strong background in AR and reconciliations with proven experience handling volume
• Skilled in using finance systems, ideally Microsoft Dynamics or similar
• AAT qualified or working towards qualification preferred
• Confident, adaptable, and able to work with minimal supervision
• Personable, collaborative, and able to fit quickly into an established team

What’s on offer?

• Day rate of around £225 umbrella (range available depending on experience)
• Immediate start with a two-week handover before parental leave cover begins
• 6-month contract with potential for a permanent role (perm salary c.£35k + excellent benefits)
• Hybrid working (c.1-2 days per week in the London office)
• Opportunity to join a respected membership organisation during a period of finance transformation