Accounts Assistant

JR United Kingdom; Belfast; On-site; GBP 25,000 - 35,000; Full time

Job summary

A dynamic advertising agency is seeking an organised Accounts Assistant to support its financial operations. You will play a key role in managing accounts payable, payroll, and reconciliations while working closely with various teams. This position offers excellent benefits, including a competitive salary up to £35,000 and flexible work arrangements.

Benefits

Flexible Work: WFH every Friday + 20 additional WFH days per year

Annual Leave: Up to 30 days

Unlimited training and development budget

Top-tier office setup with high-end equipment

Additional perks listed on Careers page

Qualifications

• Proven experience working with Xero and CRM systems.
• Strong competency in payroll processing and financial reconciliations.
• Demonstrated excellent attention to detail and organizational skills.

Responsibilities

• Manage accounts payable and receivable processes.
• Process payroll and manage pension contributions.
• Prepare financial reports for internal stakeholders.

Skills

Xero

Accruals

Prepayments

Reconciliation

Payroll

Invoicing

Excel

Education

Previous experience in finance/accounts assistant role

Job description

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One Day Agencyis an integrated advertising and marketing agency with offices in Manchester, London, and Warsaw. In just five years, we’ve built a team of 12 dynamic professionals working with brands of all sizes, from small e-commerce businesses to F1 teams.

We specialise in delivering high-impact advertising campaigns across OOH, TV, Radio, and digital channels, helping brands grow through strategic media planning and buying.

The Role

We’re looking for a highly organised and detail-orientedAccounts Assistantto support the financial operations of the business. This is a pivotal role working closely with our leadership and operations teams to manage day-to-day finance functions including accounts payable, payroll, reconciliations, and management reporting.

You’ll need to be confident working independently, proactively managing month-end processes and reporting, with a solid understanding of core accounting principles. Experience in the media/advertising industry is highly desirable.

Key Responsibilities

• Manage accounts payable and receivable processes
• Reconcile management accounts, P&L, balance sheets, and cash flow
• Process payroll and manage pension contributions
• Handle accruals and prepayments accurately
• Issue client invoices and ensure timely follow-up on payments
• Maintain accurate financial records and documentation
• Prepare financial reports for internal stakeholders
• Assist with budgeting and forecasting
• Ensure compliance with internal financial controls and HMRC regulations
• Liaise with external accountants, suppliers, and internal teams

What We’re Looking For

• Proven experience working with Xero and CRM systems
• Demonstrated competency in:
• Accruals and prepayments
• Reconciliation of management accounts
• P&L, balance sheet, and cash flow reporting
• Payroll processing
• Invoicing and payables
• Previous experience in a finance/accounts assistant role
• Strong Excel/Sheets and general IT skills
• Excellent attention to detail and organisational skills
• Comfortable working independently and prioritising tasks
• Media/advertising industry experience preferred

Salary & Benefits

? Salary: Up to £35,000

? Flexible Work: WFH every Friday + 20 additional WFH days per year

? Annual Leave: Up to 30 days

? Professional Growth: Unlimited training and development budget

? Top-tier office setup with high-end equipment

? Additional perks listed on our Careers page.