Invoicing Controller in Holywell, Flintshire

Invoicing Controller
Location: Talacre, North Wales
Contract: Full-Time Contractor (Outside IR35)
Rate: £300 per day
Start Date: August 2026 (12 months)

ARM is recruiting for an Invoicing Controller to join a major energy infrastructure project based in North Wales. This is an excellent opportunity for an organised and detail-oriented finance professional to support a high-profile project focused on the UK's energy transition.

The Role

As an Invoicing Controller, you will be responsible for managing and overseeing the invoicing process, ensuring supplier invoices are accurately reviewed, recorded and prepared for client back charging where applicable. Working closely with finance, procurement and project teams, you will play a key role in maintaining accurate financial records and supporting effective project controls.

Key Responsibilities

• Collect, review and process incoming supplier and vendor invoices.
• Identify invoices that require back charging to the client.
• Prepare supporting documentation for client recharge invoices.
• Maintain accurate and up-to-date invoice records.
• Generate regular reports on invoice status and outstanding actions.
• Liaise with finance, procurement and project stakeholders to ensure timely invoice processing.
• Support the wider project team with invoicing and financial administration activities.

About You

• 6 months to 2 years' experience in an invoicing, accounts payable or finance administration role.
• HNC or equivalent qualification in Economics, Finance, Accounting or a related discipline.
• Good understanding of invoice processing and financial documentation.
• Experience using Microsoft Excel.
• Basic knowledge of SAP would be advantageous.
• Strong attention to detail and excellent organisational skills.
• Ability to manage multiple priorities and meet deadlines.

What's on Offer

• £300 per day (Outside IR35).
• Full-time contractor position.
• Opportunity to work on a major UK energy infrastructure programme.
• Collaborative project environment with exposure to large-scale engineering and construction activities.
• Immediate involvement in a long-term, high-profile project supporting the UK's energy transition.

Location: Talacre, North Wales

Start Date: August 2026

Please note that applicants must have the permanent right to work in the UK, as sponsorship is not available for this position.

To apply or find out more, please contact Simon Cheung on