Finance Assistant - Billing & Reconciliation (Maternity)

WeMaintain; Greater London; On-site; GBP 26,000 - 34,000; Full time

Job summary

WeMaintain is seeking a Finance Assistant – Maternity Cover to join the team on a full-time basis from November 2026 to January 2028. You will support day-to-day finance operations, focusing on customer billing, payment allocation, credit control and month-end activities.

You will work with NetSuite and Salesforce, generate invoices, manage billing portals, reconcile accounts and assist with audits, while maintaining clear communication with internal teams and customers.

Qualifications

• Finance background required.
• Experience with accounting packages, preferably NetSuite.
• Good knowledge of Excel and Google Sheets.
• Able to handle large volumes of billing and queries.
• Effective verbal and written communication skills.
• Familiar with business principles and practices.
• Hands-on approach with strong interpersonal skills and a can-do attitude.

Responsibilities

• Generate accurate customer invoices and credits, matching POs in line with billing schedules using NetSuite.
• Manage customer billing portals and handle queries via email and telephone.
• Maintain credit control, follow up on overdue debt and escalate where needed.
• Allocate customer payments, reconcile accounts, and generate statements.
• Support month-end processes, revenue recognition, and related SAP/NetSuite checks.
• Resolve billing and account queries with adjustments and credits where required.
• Collaborate with internal teams to keep billing data accurate and up to date.
• Assist with ad hoc finance tasks and broader Finance team support.

Skills

Finance background

Excel

Google Sheets

Communication skills

Tools

NetSuite

Salesforce

Job description

WeMaintain is seeking a Finance Assistant – Maternity Cover to join the team on a full-time basis from November 2026 to January 2028. You will support day-to-day finance operations, focusing on customer billing, payment allocation, credit control and month-end activities.

You will work with NetSuite and Salesforce, generate invoices, manage billing portals, reconcile accounts and assist with audits, while maintaining clear communication with internal teams and customers.