Finance Assistant
| Posting date: | 29 April 2026 |
|---|---|
| Hours: | Full time |
| Closing date: | 29 May 2026 |
| Location: | GU16 7PL |
| Company: | Mitie |
| Job type: | Permanent |
| Job reference: | 94880 |
Summary
Finance Assistant
ACL, a subsidiary of the Fire & Security division of Mitie Security Ltd, is a leading Southern-based provider of fire alarm, security, and building management systems. We deliver both new installations and a comprehensive after-sales service, including maintenance and reactive support.
With an annual turnover exceeding £16 million, ACL supports a diverse portfolio of clients and contractors across multiple sectors, underpinned by a strong reputation for quality and reliability.
We are seeking a proactive and detail-oriented Finance Assistant to join our established Finance team. This role will support the day-to-day accounting activities of the business, working collaboratively with colleagues to ensure the accuracy and integrity of financial information. This is an excellent opportunity for someone looking to develop their career within a dynamic and growing organisation.
Key Responsibilities
-Perform a range of day-to-day accounting tasks, working closely with the wider Finance team to support business operations.
-Process purchase invoices across multiple divisions, including accurate allocation of costs between Cost of Goods Sold (COGS) and administrative expenses.
-Complete statement reconciliations, and accurately post payments and receipts.
-Support month-end close processes, including reconciling intercompany balances and ensuring all costs are captured within the accounting system.
-Prepare reports and supporting information to facilitate an efficient and accurate month-end close.
-Build effective working relationships with operational teams and develop familiarity with internal service systems, including Simpro.
-Provide additional administrative and finance support as required by the Financial Controller.
Person Specification
-A conscientious, self-motivated individual who takes ownership of their work and demonstrates a proactive approach.
-Strong numerical skills with a high level of accuracy and attention to detail.
-Ability to manage multiple tasks across different areas of finance in a structured and efficient manner.
-Good IT and systems skills, with a solid working knowledge of Microsoft Excel.
-A collaborative team player with a positive, flexible attitude and a willingness to learn and develop.
-Excellent organisational and time management skills, with the ability to prioritise workload and meet deadlines while maintaining the integrity of financial records.
Skills & Experience
-Proven experience in a broad accounting role within an SME environment, ideally within engineering, construction, or facilities management.
-Sound understanding of core accounting processes, including Sales and Purchase Ledger.
-Practical experience using accounting software such as Sage 50, Sage 200, or similar systems.
Additional InformationKnowledge of DRC VAT and CIS would be advantageous, although not essential.
ACL, a subsidiary of the Fire & Security division of Mitie Security Ltd, is a leading Southern-based provider of fire alarm, security, and building management systems. We deliver both new installations and a comprehensive after-sales service, including maintenance and reactive support.
With an annual turnover exceeding £16 million, ACL supports a diverse portfolio of clients and contractors across multiple sectors, underpinned by a strong reputation for quality and reliability.
We are seeking a proactive and detail-oriented Finance Assistant to join our established Finance team. This role will support the day-to-day accounting activities of the business, working collaboratively with colleagues to ensure the accuracy and integrity of financial information. This is an excellent opportunity for someone looking to develop their career within a dynamic and growing organisation.
Key Responsibilities
-Perform a range of day-to-day accounting tasks, working closely with the wider Finance team to support business operations.
-Process purchase invoices across multiple divisions, including accurate allocation of costs between Cost of Goods Sold (COGS) and administrative expenses.
-Complete statement reconciliations, and accurately post payments and receipts.
-Support month-end close processes, including reconciling intercompany balances and ensuring all costs are captured within the accounting system.
-Prepare reports and supporting information to facilitate an efficient and accurate month-end close.
-Build effective working relationships with operational teams and develop familiarity with internal service systems, including Simpro.
-Provide additional administrative and finance support as required by the Financial Controller.
Person Specification
-A conscientious, self-motivated individual who takes ownership of their work and demonstrates a proactive approach.
-Strong numerical skills with a high level of accuracy and attention to detail.
-Ability to manage multiple tasks across different areas of finance in a structured and efficient manner.
-Good IT and systems skills, with a solid working knowledge of Microsoft Excel.
-A collaborative team player with a positive, flexible attitude and a willingness to learn and develop.
-Excellent organisational and time management skills, with the ability to prioritise workload and meet deadlines while maintaining the integrity of financial records.
Skills & Experience
-Proven experience in a broad accounting role within an SME environment, ideally within engineering, construction, or facilities management.
-Sound understanding of core accounting processes, including Sales and Purchase Ledger.
-Practical experience using accounting software such as Sage 50, Sage 200, or similar systems.
Additional InformationKnowledge of DRC VAT and CIS would be advantageous, although not essential.