Purchase to Pay - Subcontractor Specialist

United Infrastructure is a dynamic and rapidly expanding business, focused on delivering critical infrastructure projects, across the utility and social infrastructure sectors.

Our team of highly skilled and hardworking specialists deliver innovative solutions to the complex challenges our clients face.

Our company is split into two business areas:

Utility Infrastructure –

Our team of Utility Infrastructure specialists design, build and maintain critical water, energy (gas), power and telecoms infrastructure, for the UK’s largest network owners and operators. 

Social Infrastructure -

Our team of Social Infrastructure specialists revitalise homes and communities by carrying out a wide range of work, from retrofit to refurbishment, and maintenance.  

Equal Opportunities Statement - At United Infrastructure, we are committed to making every interaction a positive and inclusive experience. If there is anything we can do to support you, remove barriers, or make the process more accessible, please let us know — we want this to be the best possible experience for you.

Job Description

We are looking for an experienced subcontractor ledger specialist with a proven track record within the construction industry to join our Finance team.

Key responsibilities will include:

• Process subcontractor invoices.
• Verify CIS status before payment.
• Calculate CIS deductions accurately.
• Prepare weekly/monthly payment runs.
• Resolve invoice and payment queries.
• Reconcile supplier statements.
• Liaise with project managers and commercial teams.
• Maintain subcontractor records.
• Assist with month-end reporting.
• Support finance audits.
• Ensure compliance with HMRC requirements.
• Managing reverse charge VAT for construction services

Skills we are looking for:

• Excellent attention to detail
• Strong numerical ability
• Time management
• Communication with suppliers and site teams
• Problem-solving
• Ability to prioritise workload
• Confidentiality and integrity
• Difference between employees and subcontractors

Essential Experience

• 2–5+ years' experience in Accounts payable responsible for subcontractor activity
• Experience processing high volumes of supplier and subcontractor invoices.
• Managing payment runs (BACS, CHAPS, Faster Payments).
• Reconciling supplier statements and resolving invoice queries.
• Working to strict month-end deadlines.
• Maintaining accurate financial records and audit trails.

You should understand:

• Construction Industry Scheme (CIS)
• Verifying subcontractors with HMRC
• Correct CIS deduction rates (0%, 20%, 30%)
• Processing CIS deductions on payments
• Recording gross and net payments
• Producing payment and deduction statements
• Supporting monthly CIS returns

Financial & Technical Skills

• Purchase Order (PO) matching (2-way and 3-way matching)
• Invoice coding to cost centres and nominal ledgers
• VAT knowledge
• Bank reconciliations
• Payment reconciliations
• Supplier account management
• Understanding accruals and prepayments (desirable)

Systems Experience

Common ERP systems include:

• Ideally using Microsoft Business Central or other large ERP system

Strong Excel skills are normally expected:

• VLOOKUP/XLOOKUP
• Pivot Tables
• SUMIFS
• IF statements
• Basic data analysis

Qualifications

Essential:

• GCSEs (or equivalent) including Maths and English.

Desirable:

• AAT Level 2–4

Join us at United Infrastructure and be part of our mission to deliver innovative and sustainable solutions to the complex infrastructure needs of the UK.