Careers at One Day.

One Day Agency is 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-oriented Accounting & Finance Manager to 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

• AAT Level 4 qualification (minimum requirement)

• 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

🏡 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.

APPLY BY SENDING US AN EMAIL HERE.

Marketing Manager

📍 Manchester | 4 Days @ Office

About One Day Agency

One Day Agency is 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 across the Globe, 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 a unique cross-functional team.

The Role

We’re looking for a bold and creative Marketing Manager who can bring personality and intelligence to our marketing, following our motto "If others do it, don't". Ideally, you have at least four years of experience, preferably from an advertising or marketing agency, and you’ll take full ownership of our brand, marketing and TOV to raise the agency's profile, visibility, thought leadership, and engagement across all relevant channels.

This role is perfect for someone who thrives in a collaborative, high-energy environment, is eager to learn about all forms of media, and can independently manage all aspects of marketing from start to finish.

Key Responsibilities

• Develop and execute a comprehensive marketing strategy to raise the profile of One Day Agency across key markets.

• Own and evolve the agency’s tone of voice, brand messaging, and positioning to ensure consistency across all channels.

• Manage and grow the agency’s presence across key digital channels (LinkedIn, Instagram, website, email, etc.).

• Plan, create, and publish compelling content (case studies, blogs, thought leadership, social posts, videos, etc.).

• Collaborate with the senior team to promote new business initiatives, launches, partnerships, and PR opportunities.

• Lead the creation and execution of marketing campaigns that support the agency’s growth and client acquisition goals.

• Track and analyse campaign performance and make data-driven decisions to improve outcomes.

• Coordinate awards submissions, speaking opportunities, events, and other reputation-building initiatives.

• Manage external suppliers (e.g., PR, SEO, design freelancers) as needed to deliver marketing objectives.

• Stay up to date with industry trends, competitors, and emerging platforms to identify opportunities for innovation.

What We’re Looking For

• Proven experience as a Marketing Manager in an advertising or marketing agency.

• Creativity, intelligence and a risk-taking approach.

• Strong computer skills—you’ll need to navigate multiple platforms with ease.

• Exceptional communication and interpersonal skills.

• Ability to work independently, manage priorities, and meet deadlines.

• Proactive, solution-oriented mindset.

Benefits

💰 Salary up to £60,000 depending on experience and profile

🏡 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

APPLY BY SENDING US AN EMAIL HERE.