Credit Controller

We’re growing – and we want you to grow with us.
All Response Media are one of the UK’s leading performance marketing agencies and we are now looking for a talented and detail-driven Credit Controller to join our dynamic finance team in London. This is an exciting opportunity to play a pivotal role in a fast-paced, collaborative environment.

How You’ll Make an Impact

As a Credit Controller at ARM, you’ll be a key player in ensuring the smooth financial operations of our business. You’ll take ownership of the billing and credit control process, working closely with internal teams and external clients to maintain financial accuracy and efficiency.

Key Responsibilities

Billing & Invoicing

• Manage offline and online media billing cycles


• Generate and verify monthly invoices against client plans


• Liaise with Business Directors for invoice approvals and dispatch


• Ensure timely and accurate billing in line with client expectations


• Maintain client PO trackers and generate manual proforma invoices as needed

Credit Control & Debtors

• Send timely statements of account to clients


• Confirm payment schedules and follow up on outstanding invoices


• Ensure adherence to client payment terms and escalate where necessary

Banking & Reconciliation

• Post daily bank payments and receipts


• Update FX rates and monitor currency fluctuations


• Maintain daily cashflow files and currency cashbooks


• Prepare monthly bank reconciliations and report balances to senior management

Credit Exposure & Reporting

• Produce client credit positions and weekly exposure reports for board review


• Support the Credit Manager with ad hoc financial tasks and reporting

What You’ll Bring

• Proven experience in billing and credit control, ideally within a media or agency environment


• Strong Excel skills and proficiency in Microsoft Office


• Familiarity with MediaOcean systems (preferred but not essential)


• Meticulous attention to detail and a proactive mindset


• Excellent communication and interpersonal skills


• Ability to work collaboratively in a close-knit finance team


• Flexibility to support wider finance functions when needed

Why Join ARM?

At ARM, we don’t just offer jobs – we offer careers. As the 14th largest marketing agency in the UK, managing over £350M in ad spend across the UK and EU, we’re proud to work with industry-leading clients like Adobe, Norton, Brooks Running, and Omaze.

We’re a people-first agency that believes in mentorship, internal progression, and cross-functional collaboration. Many of our team members have grown from entry-level roles to leadership positions – and you could be next.

Perks & Benefits

• Competitive salary + performance bonus


• 25 days holiday + bank holidays


• Flexi Fridays and your birthday off


• Private healthcare with Vitality (plus 50% off Virgin Active!)


• Annual company away day and regular socials


• Free breakfast Mondays, lunch Fridays, and daily drinks fridge


• Long service rewards up to £10k + sabbaticals


• Life cover, enhanced sick pay, and income protection


• Season ticket loan, cycle to work scheme


• Access to LinkedIn Learning and professional development programs

Ready to Accelerate Your Career?

If you’re ready to join a high-performing team in a fast-growing agency where your work truly matters, we’d love to hear from you.

Apply now and be part of something extraordinary.