Accounts Assistant
| Posting date: | 12 March 2026 |
|---|---|
| Salary: | Not specified |
| Additional salary information: | Competitive |
| Hours: | Full time |
| Closing date: | 11 April 2026 |
| Location: | Luton, LU1 3LU |
| Company: | inploi |
| Job type: | Permanent |
| Job reference: | 75792609 |
Summary
The benefits
Health and Wellbeing Plans
23 days paid holiday increasing to 25 after 2 years
Discounts and Cashbacks
Paid Volunteering days
Employee Assistance Program
Refer a Friend Scheme
Cycle to Work Scheme
Bonus
The role
Carlisle Support Services is looking for 2 diligent and organised Accounts Assistant to join our Finance team, with a core focus on supporting both the Sales Ledger and Purchase Ledger functions. The successful candidate will be responsible for ensuring invoices are processed accurately and efficiently, supporting colleagues across the business with financial processes, and maintaining strong relationships with suppliers and customers. This role plays a key part in ensuring the smooth operation of the finance function and contributing to the integrity of financial data within the organisation.
Your core role will include but not be limited to the following activities:
• Accurately process and record sales invoices in the finance system, ensuring correct coding and compliance with internal procedures.
• Support in monitoring outstanding debt, responding to customer queries regarding invoice discrepancies, payment status, or documentation requests.
• Maintain accurate customer account information and assist with credit control activities where required.
• Accurately enter and process purchase invoices, ensuring matching to purchase orders (POs) and resolving any discrepancies in a timely manner.
• Assist operational managers with the correct raising of POs, ensuring compliance with the PO process, including accurate coding, timely approval, and prompt receipting.
• Proactively resolve delayed or missing POs by liaising with internal teams.
• Reconcile supplier statements regularly, investigating and resolving variances to maintain accurate and up-to-date supplier accounts.
• Respond to queries from suppliers and customers regarding invoices, payments, and account activity in a professional and timely manner.
• Escalate any overdue, disputed, or final demand notices to appropriate internal stakeholders.
• Build and maintain strong working relationships with key suppliers, customers, and internal colleagues to support smooth financial operations.
General Finance Support
• Support month-end processes including accruals, invoice checks, and ledger reviews as required.
• Work collaboratively with finance colleagues to ensure consistency, accuracy, and adherence to company policies.
• Participate in continuous improvement activities to enhance processes across the finance team.
• Undertake any other reasonable finance-related duties aligned with business needs.
The ideal candidate
• Excellent verbal and written communication skills.
• Strong customer service abilities, including professional handling of phone queries.
• Strong organisational skills with the ability to manage multiple tasks simultaneously.
• Ability to prioritise workload effectively in a fast-paced environment.
• Good problem-solving skills with a logical approach to investigating issues.
This could include the following: passport / driving licence / utility bill dated in the last 3 months / HMRC letter / original bank statement / original payslip / birth certificate / a valid share code.
About us
Join a growing market-leading brand of support services to work with the UK’s largest brands such as Tottenham Hotspur Stadium, Jaguar Land Rover, Tesco, BBC StudioWorks, and many more.
Carlisle currently employees over 5,000 dedicated and enthusiastic staff members to deliver events, security cleaning, and retail facilities support services across the UK’s most renowned sites and critical infrastructure.
Apply today to find out more and embark on an exciting career journey filled with unrivalled recognition schemes and progression opportunities aimed at helping you achieve your true potential.
Equality, Diversity, and Inclusion
At Carlisle, we are committed to Equality, Diversity, and Inclusion in all areas of employment, recruitment and selection, training, development, and promotion.
In all situations people will be judged solely on merit or ability.