Job Description: Admin / Assistant Accountant (Construction Sector – UK)

Job Title: Accounts Administrator / Accounts Assistant
Sector: Construction (SME)
Location: Northampton
Office Set Up: Fulltime office based
Working hours: 7:00-16:00 or 8:00-17:00
Employment Type: Full-time
Reports To: Finance Manager / Managing Director

Overview

We are seeking an organised, proactive, and detail-focused candidate to manage the day-to-day financial operations of our small-to-medium construction business. This role involves full end-to-end accounts responsibilities, including creditor and debtor control, producing profit & loss reports, debt collection, maintaining accurate financial records, and general administrative duties. The ideal candidate will have experience in the construction sector and a strong understanding of CIS, VAT, and project-based accounting.

Key Responsibilities

Accounts Payable (Creditor Control)

• Process supplier invoices, ensuring accuracy and correct allocation to jobs/projects.
• Reconcile supplier statements and resolve any discrepancies.
• Prepare weekly/monthly payment runs.
• Manage subcontractor onboarding, CIS verification, and CIS payment & deduction statements.

Accounts Receivable (Debtor Control)

• Raise customer invoices and applications for payment in line with project milestones.
• Monitor outstanding payments and chase overdue accounts professionally and effectively.
• Maintain accurate aged debtor reports and escalate issues where required.

Profit & Loss & Financial Reporting

• Assist with monthly management accounts including Profit & Loss statements.
• Track project costs, variations, and margins.
• Support cashflow forecasting and budget preparation.
• Provide financial information to directors as needed.

General Accounting & Admin

• Perform bank reconciliations and update ledgers.
• Assist with VAT returns and HMRC submissions.
• Maintain accurate digital and paper filing systems.
• Support year-end preparation for external accountants.
• Ensure compliance with internal financial procedures and industry requirements.

Debt Collection

• Proactively contact clients regarding overdue invoices.
• Negotiate realistic payment arrangements where required.
• Maintain detailed communication logs and escalation records.
• Work closely with project managers to resolve disputes affecting payment.

Skills & Experience Required

• Previous experience in an Accounts role, ideally within construction or a project-based environment.
• Strong understanding of CIS, VAT, and UK accounting practices.
• Proficiency in accounting software (e.g., Sage, Xero, QuickBooks, or construction-specific software).
• Excellent numerical accuracy and attention to detail.
• Strong communication skills with confidence to follow up debts professionally.
• Ability to manage workload independently in a small business environment.
• Strong organisational skills, especially with digital and paper filing systems.

Personal Qualities

• Reliable, trustworthy, and discreet with confidential data.
• Hands-on approach with a willingness to improve systems and processes.
• Calm under pressure and able to meet deadlines.
• Positive and helpful team player.

Qualifications (Preferred but not essential)

• AAT Level 2–4, ACCA, or equivalent experience.
• Knowledge of CIS regulations.
• Experience working in the construction industry.