Accounts Assistant

Accounts Assistant

3-Months | August - October 2026

Newbury

Due to continued growth and an upcoming Sage 200 implementation, our client is seeking an Accounts Assistant to support the finance team during a busy period and assist with the transition from QuickBooks to Sage 200.

Working closely with the Finance Manager, you will provide day-to-day finance support, assist with account reconciliations, help prepare data for migration into Sage 200, and support the wider finance function ahead of the October go-live.

This is an excellent opportunity for someone with a solid finance background who enjoys working in a varied role and is keen to gain exposure to a systems implementation project.

Key Responsibilities

• Process and maintain Accounts Payable invoices within QuickBooks and support the transition to Sage 200
• Reconcile balance sheet and other control accounts
• Prepare and consolidate financial data using Excel for migration into Sage 200
• Assist with the preparation of opening balances ahead of the October go-live
• Support the transfer and reconciliation of finance data between systems
• Assist with Sage 200 system testing and data validation
• Help develop and maintain finance procedures and records
• Provide day-to-day support to the Finance Manager and wider finance team
• Liaise with internal stakeholders to ensure finance information is accurate and up to date

Skills & Experience Required

• Previous experience working in an Accounts Assistant, Finance Assistant, or Bookkeeping role
• Experience processing invoices and reconciling accounts
• Good understanding of balance sheet reconciliations
• Intermediate Excel skills, including data consolidation and reconciliation
• Strong attention to detail and accurate data entry skills
• Ability to work independently and prioritise workload effectively
• Good communication skills and a proactive approach

Desirable

• Experience using Sage 200
• Experience working with QuickBooks
• Previous exposure to finance system migrations or data transfer projects
• Experience supporting a busy finance team

What's on Offer?

• Immediate start
• 3-month contract through to October
• Opportunity to gain exposure to a Sage 200 implementation project
• Varied role with a broad range of finance responsibilities
• Supportive and collaborative working environment

Apply Now

If you're an organised finance professional looking for a varied Accounts Assistant position within a growing business, we'd love to hear from you.

To apply, please submit your CV or contact Sophie or Ella on (phone number removed) for a confidential discussion.

Adecco acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers. The Adecco Group UK & Ireland is an Equal Opportunities Employer.

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