Kickstart your finance career with a global leader! We're seeking a detail-driven Accounts Receivable Assistant to support collections, reporting, and client relations in a rewarding role. Accounts Receivable Assistant Sheffield, S1 2BJ Full-time, permanent Competitive salary excellent benefits Please Note: Applicants must be authorised to work in the UK Our client accelerates medicines using proprietary bio-simulation software, advanced technology, and expert services that transform traditional drug discovery and development. Supporting more than 2,000 biopharmaceutical companies, academic institutions, and regulatory agencies across 62 countries, their impact spans every therapeutic area. Over 90% of companies receiving FDA new drug approvals in the past six years have used their software or services. Partnering globally, they combine bio simulation and technology-enabled services to revolutionise how innovative therapies are discovered, developed, and delivered. The Role We are looking for a proactive Accounts Receivable Assistant to join our client's finance team. This role is key in ensuring timely collections, maintaining accurate financial records, and delivering a first-class service to both internal and external stakeholders. Key Responsibilities: Monitor accounts to identify outstanding debts and chase overdue invoices Communicate with clients via phone and email regarding payments and discrepancies Reconcile AR ledger to ensure all payments are posted correctly Prepare monthly AR reports and aging analysis Support the month-end and year-end closing processes Maintain up-to-date customer records and documentation Collaborate with internal teams to resolve billing issues Assist with audits and provide required documentation Process sales orders and manage related tax forms (W8BENE, withholding, residency certificates etc.) Post journals into Netsuite Benefits 8% company pension contribution EV car scheme Life assurance and employment insurance schemes Private healthcare and health cash-back plan Gym membership contribution Cycle to work scheme The Ideal Candidate You will be an organised and motivated individual with a solid understanding of accounting principles and a strong customer focus. Previous experience in accounts receivable or general accounting Proficiency with ERP systems and MS Excel Strong attention to detail and accuracy Excellent communication and interpersonal skills Ability to work independently and as part of a team Knowledge of core accounting principles Exposure to multinational organisations and AAT qualification or equivalent are desirable Apply today and become part of a global organisation making a real difference in healthcare innovation. How to apply for the role: If you have the skills and experience required for this position, click “apply” today and check your inbox for an email providing more information on how to complete your application and provide any other supporting documents. You must be authorised to work in the UK. No agencies please. Flat Fee Recruiter is an advertising agency promoting this role on behalf of the employer. You may be contacted directly by the Employer should our client wish to move forward with your application. Other suitable skills and experience include Accounts Receivable Clerk, Credit Controller, Finance Assistant, AR Specialist, Billing Coordinator, Collections Officer, Accounts Clerk, Finance Administrator, Accounts Payable Assistant, Ledger Clerk.