Accounts Assistant

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

Job summary

A leading advertising and marketing agency is seeking a detail-oriented Accounts Assistant to enhance their financial operations. In this pivotal role, you will manage accounts payable, reconcile financial statements, process payroll, and support budgeting efforts. The ideal candidate should have proven experience in finance, preferably within the media/advertising sector, and be proficient in accounting software like Xero.

Benefits

Flexible Work: WFH every Friday + 20 additional WFH days

Annual Leave: Up to 30 days

Unlimited training and development budget

Top-tier office setup with high-end equipment

Additional perks listed on our Careers page.

Qualifications

• Experience in media/advertising industry is preferred.
• Strong attention to detail and organizational skills required.
• Ability to work independently and prioritize tasks.

Responsibilities

• Manage accounts payable and receivable processes.
• Reconcile management accounts, P&L, balance sheets, and cash flow.
• Prepare financial reports for internal stakeholders.

Skills

Accruals and prepayments

Reconciliation of management accounts

P&L reporting

Balance sheet reporting

Cash flow reporting

Payroll processing

Invoicing

Xero

CRM systems

Excel/Sheets

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.