Junior Accounts Receivable Executive in Cardiff

JOIN OUR JOURNEY

Medialab is the UK’s leading independent media agency, and one of the fastest growing in the industry. We’re a media agency that’s made differently: purpose-led, data-driven, founder-run and proudly independent. Our entrepreneurial spirit means success is rewarded and there are no limits to what you can achieve, which our employees agree with, evidenced by being a Campaign ‘Best Place to work’ for the last 5 years in a row, Campaign's Independent Agency of the Year 2024 and The Sunday Times Best Places to Work 2025.

We are IPA Effectiveness accredited, an IPA People-First agency and widely awarded including a double-gold at the 2024 IPA Effectiveness Awards for our work with Laithwaites. Our independence means we can focus 100% on doing the right thing to secure success for our clients and our brilliant people. We work with a wide variety of clients including Hovis, Sharps Bedrooms, SunLife, Standard Life, Laithwaites Wine, EMMA Mattresses, Save the Children, Mind, Guide Dogs, Alzheimer’s Society, RNLI and Clearscore.

OUR VALUES

• Commit to Doing the Right Thing (Act with integrity and accountability)
• Help People Flourish (Invest in people)
• Dig Deeper to Understand Better (Data driven curiosity)

OUR COMMITMENT TO YOU

Working at Medialab comes with lots of perks including all the usual things you would expect, such as a competitive salary package, pension, season ticket loans, cycle to work scheme, weekly social events and big summer / end of year parties. On top of that, we offer extra benefits, which make life at Medialab even more rewarding:

• Time to Unwind – 22 days holiday (+ Christmas holiday closure), birthday & mental health day off, holiday buying scheme, flexi-hours and work abroad scheme.
• Hybrid Working – Balance between home and office. We welcome requests for flexible working arrangements from the commencement of employment.
• Career Growth – A meritocratic approach to progression with quarterly reviews, CPD Platinum accredited training, mentoring and leadership support.
• Health & Wellbeing – Private medical insurance, health cash plan, gym discounts, wellbeing apps Mental Health First Aiders and unlimited free professional counselling.
• Supporting Families – Enhanced parental leave, flexible working and life assurance.
• Giving Back – Paid charity days and sustainability initiatives.
• Perks & Rewards – Retail discounts, long-service trips and an unforgettable team culture.

THE OPPORTUNITY

We’re looking for a Junior Accounts Receivable Executive with strong numeracy skills and a keen eye for detail. You’ll support the Finance team by ensuring timely client payments and preparing weekly debtor reports, playing a vital role in keeping the business’s cashflow running smoothly. This is a key position within our Finance function, with a core focus on Accounts Receivable and the opportunity to gain exposure across Accounts Payable and wider finance operations. You’ll collaborate closely with internal client teams and our clients’ finance teams, helping to maintain excellent relationships while ensuring accurate and timely financial data underpins decision-making.

You’ll need to be highly organised, comfortable managing multiple tasks, and confident communicating both internally and externally. If you thrive on accuracy, enjoy problem-solving, and are looking to develop your finance career in a fast-paced and supportive environment, this is the role for you.

WHAT YOU'LL BE DOING

• Monitor customer accounts to ensure payments are received within agreed terms and proactively follow up on large balances becoming due.
• Maintain our Aged Debtors database, updating with daily remittances and payments.
• Issue a small number of in-month invoices and credit notes and support the client teams with the monthly invoicing process.
• Assist the Head of Finance in preparing weekly Aged Debtor reports for review by the CFO and COO.
• Distribute statements of account to our clients’ accounts payable teams monthly, or more frequently as required.
• Liaise internally with the client teams when a client has indicated a missing item from their statement of account.
• Promptly highlight overdue accounts of concern to the Head of Finance to support effective cashflow management.
• Work with the client teams to resolve client payment and invoicing queries.
• Assist the Senior Accounts Payable Executive by matching and registering a subset of media invoices accurately, completely and in a timely manner in the accounting system.
• Assist the wider finance team with ad-hoc projects as needed.

WHAT YOU'LL BRING

• Some experience within an Accounts Receivable role.
• Acts as a supportive team member, contributing to a collaborative and respectful workplace culture.
• High level of numeracy, accuracy and attention to detail.
• Able to communicate clearly internally and externally both verbally and via email.
• Ability to be collaborative and work well in within a team.
• Keen to learn and develop in a growing business.
• Excellent IT skills, particularly Excel and accountancy software (Concept is an advantage).