Construction Commercial Assistant Costing & Admin

I D Corcoran Building Contractors Ltd; Essex; On-site; GBP 21,000 - 28,000; Full time

Job summary

I D Corcoran is seeking a full-time Commercial Assistant to support cost logging, invoicing, and project controls in our Essex office. The role involves preparing cashflow forecasts, handling contracts (NEC3/4, JCT or bespoke), and coordinating with clients, suppliers, and site teams.

You will assist with tender documentation, costings, and internal audits while ensuring compliance with CDM and company procedures. Some sites visits may be required.

Qualifications

• Experience with cost logging and invoicing processes.
• Familiarity with auditing and ISO standards is advantageous.
• Strong IT skills and proficiency in Excel.

Responsibilities

• Cost logging of incurred costs and evidencing with supporting documents.
• Applications for payment.
• Forecast to completion – cashflow forecast by period (initial and updating throughout project).
• Contracts and requirements e.g NEC3/4, JCT or bespoke.
• Submitting communications, Compensation Events, Early Warnings, Technical Queries and General Communications.
• Client liaison to understand requirements and provide updates.
• Remote and face to face project meetings including providing input.
• Reviewing tender documents/packs.
• Liaising with suppliers and subcontractors for project requirements, cost information, SQEP information etc.
• Compiling subcontracts and issuing purchase orders to suppliers.
• Understanding of CDM requirements and roles.
• Liaising with site based managers, supervisors and support staff.

Tools

Microsoft Project

Excel

Job description

I D Corcoran is seeking a full-time Commercial Assistant to support cost logging, invoicing, and project controls in our Essex office. The role involves preparing cashflow forecasts, handling contracts (NEC3/4, JCT or bespoke), and coordinating with clients, suppliers, and site teams.

You will assist with tender documentation, costings, and internal audits while ensuring compliance with CDM and company procedures. Some sites visits may be required.