Careers with LMG

Accounts Payable Specialist

About LMG

LMG has been at the forefront of innovation within the built environment since 1986.

We deliver integrated smart building technology projects and support services which provide sustainable long-term growth and profitability, as well as diverse range of career opportunities; enabling both our people and our clients’ businesses to flourish, whilst setting a new standard for what is possible in the built environment.

As experts in smart building technology, we want to inspire new ways of thinking, deliver excellence and establish new models for doing business – with people, partners and customers – built on trust and shared values, rather than transactional relationships.

Alongside actively working to support the raising of standards in training and professional qualifications, we invest heavily in the development of our people. We give them access to continuous learning opportunities, leading to the freedom of working autonomously and making their own informed decisions, whilst benefiting from a supportive and collaborative working environment.

About Role

As Accounts Payable Specialist, you will work within the busy Finance team, delivering an efficient service to the business.

You will take ownership of the end-to-end accounts payable function, ensuring the accurate and timely processing of invoices, effective supplier management and conducting detailed reconciliations using systems including Sage 200 and Monday.com. You will play a key role in improving processes, resolving complex queries, and supporting the wider finance team with insight and reporting.

Working in Finance involves engaging with a range of people and dealing with situations and issues as they arise; an approachable manner and a good understanding of customer service and workplace culture are all essential attributes for this role, as are excellent general communication skills. You will need to be highly organised and able to work flexibly to meet competing demands, whilst maintaining excellent attention to detail.

A willingness to demonstrate initiative and learn new skills will also be essential, as will the ability to work as part of a team.

Key Responsibilities

Accounts Payable:

  • Take ownership of the end-to-end accounts payable process, ensuring invoices are processed accurately, efficiently, and in line with company controls.
  • Process high volumes of purchase invoices in accordance with company policy and agreed timescales.
  • Manage the Accounts Payable mailbox and Supplier Invoice Library, ensuring queries and invoices are handled promptly and escalated where required.
  • Act as a key point of contact for supplier queries, providing timely updates and resolving issues professionally.
  • Complete monthly supplier statement reconciliations and investigate discrepancies where necessary.
  • Work closely with internal stakeholders to ensure invoice approvals and payment processes are completed efficiently.

Reporting & Compliance:

  • Support the production of monthly finance and P&L reporting, including project and overhead analysis.
  • Assist with the review and reporting of open purchase invoices across the finance system.
  • Maintain accurate supplier records and support robust financial controls and audit requirements.
  • Assist with internal and external audit requests relating to accounts payable activity.
  • Ensure compliance with company policies, financial procedures, and best practice.

Process Improvement & Systems:

  • Identify opportunities to improve accounts payable processes, controls, and efficiencies.
  • Support finance system enhancements and automation initiatives, including Sage 200 workflows.
  • Proactively investigate and resolve complex payment, invoice, and supplier issues.
  • Contribute ideas and improvements that support the wider Finance team and business operations.

Administration & Team Support:

  • Provide administrative support across the Finance function with a high degree of accuracy and professionalism.
  • Create and maintain supplier accounts and records within Sage 200.
  • Support the Financial Controller and wider Finance team with ad hoc duties as required.
  • Build strong working relationships across the business and contribute positively to team culture.

What We’re Looking For

  • Brings solid Accounts Payable or Purchase Ledger experience within a busy, fast-paced environment.
  • Highly organised with excellent attention to detail and accuracy.
  • Comfortable managing high volumes of work whilst balancing competing priorities.
  • Confident communicating with suppliers and internal stakeholders at all levels.
  • Proactive and solutions-focused, with the ability to investigate and resolve issues independently.
  • Strong Excel and finance systems knowledge, including experience with Sage 200 or similar systems.
  • Takes ownership of tasks and consistently follows through to completion.
  • Enjoys improving processes and finding more efficient ways of working.
  • Works collaboratively as part of a team whilst also being comfortable working independently.
  • Brings a professional, approachable and customer-focused attitude to their work.

Experience, Qualifications and Certificates

Qualifications:
Essential:

  • AAT qualified
  • Minimum five A*-C (4-9) GCSE’s or equivalent, including Maths or English
  • Three A levels at grades A*-C (or 240 UCAS points or new tariff equivalent)

Desirable:

  • ACCA/CIMA/ACA part-qualified/qualified

Experience:

  • Minimum 3–5 years’ experience in an Accounts Payable or Purchase Ledger role, ideally within a fast-paced or project-based environment.
  • Strong Excel skills (e.g. lookups, pivot tables, data reconciliation).
  • Experience using finance systems such as Sage 200 (or similar ERP systems).
  • Experience working with invoice processing systems or workflows
Apply now
Position
Permanent
Location
London
Salary
£30,000 - £35,000
Closing date