Happy Office
Position title
Fractional Financial Controller - Northern Ireland
Description

Specialist Building Systems Contractor, Belfast / Lisburn .

One day per week, hybrid, £500-£550/day.

Contracting experience essential. Job fields: Employment type:

Accountancy Capital is recruiting a Fractional Financial Controller for a profitable, well-established specialist contractor headquartered in Northern Ireland, whose engineers design, install and commission intelligent building systems — audio-visual, KNX/DALI lighting control, building management systems, guest-room management, structured cabling and command-centre infrastructure — for a client list most contractors would envy: landmark five-star hotels, heritage estates, healthcare campuses and elite sporting venues across London, the North West and Northern Ireland. The business also runs an active London delivery operation and is preparing for its next stage of growth.

The brief in one sentence

This is not a produce-the-accounts engagement: the MD wants one day a week of senior financial control aimed squarely at the places where contracting businesses leak margin — unbilled certified work, verbal variations, slow retentions, creeping subcontract costs — found, quantified and closed.

Responsibilities

What the day a week delivers

  • Billing discipline: every certified and completed package invoiced on cadence, across all live projects and the small-works and servicing stream
  • A live variation register: verbal commitments converted into written instructions with exposure values — or escalated to the MD for a commercial decision
  • Leak-hunting as a standing agenda: aged debt, retention recovery, under-recovered variations, supplier and subcontractor cost creep, overhead drift and unapplied rate uplifts — a quantified list, worked weekly
  • A rolling 13-week cash forecast, refreshed each week and feeding the MD's weekly summary
  • Project-level margin reporting, built on the retained CVR consultant's output, with plain-spoken recommendations on where profit is being made, lost, and left on the table

You will work directly with the Managing Director, alongside the Engineering Manager, the external accountants and the CVR consultant — a compact senior table where your reporting gets read and acted on the same week.

Who this fits

  • ACA, ACCA or CIMA qualified, with genuine Financial Controller experience inside a contracting business — M&E, fit-out or specialist subcontracting preferred
  • Fluent in the commercial machinery of construction: applications for payment, certification, retentions, variations, and the JCT/NEC subcontract interface
  • Self-sufficient with cloud accounting and project data — someone who improves the process, not just the report
  • Based in Northern Ireland or close enough to Belfast for regular days at the Lisburn HQ, with the balance worked remotely
  • Straight-talking by nature — the client deals plainly and values the same in return
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Employment Type
Part-time
Beginning of employment
1st August 2026
Duration of employment
Perm
Industry
Building Services
Job Location
Lisburn, Northern Ireland, United KIngdom
Working Hours
9-5
Base Salary
£500-£550 Per day
Date posted
July 17, 2026
Valid through
July 31, 2026
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