EcoFactor Ltd is a growing HVAC (Heating, Ventilation & Air Conditioning) company based in Epping. We deliver installation, maintenance, and compliance services for healthcare, commercial, and residential clients -- including NHS sites. We are an equal-opportunity employer. We value diversity and welcome applications from all qualified individuals.
The Role
We're looking for a reliable and experienced
Bookkeeper / Office Administrator
to support our small professional team. The role combines bookkeeping and general office administration -- covering financial tasks, compliance, and coordination of subcontractor paperwork and documentation. It suits someone organised, dependable, and confident working independently in a technical office environment -- ideal for an experienced bookkeeper or construction administrator seeking a flexible, part-time position.
Key Responsibilities
Maintain company bookkeeping records using Xero.
Prepare and submit VAT returns.
Handle CIS payments, returns, and subcontractor statements.
Manage credit control and payment tracking.
Record and reconcile Pleo transactions.
Assist with sales and purchase invoices.
Manage subcontractor and supplier paperwork (insurance, certificates, accreditations, compliance documents).
Liaise with accountants for CIS, VAT, and bookkeeping queries.
Assist with purchase orders, invoice queries, and filing.
Maintain job files and documentation accurately.
Coordinate document control and version tracking for key projects.
Support ISO 9001 processes, Health & Safety, and accreditation renewals (CHAS, SafeContractor, Constructionline).
Liaise with clients, suppliers, and engineers by phone and email.
Provide general office admin and basic HR admin support to the management team.
Requirements
Minimum 5 years' experience in a construction or technical office environment.
Strong working knowledge of Microsoft Office (Word, Excel, Outlook).
Strong experience using Xero or Sage accounting software (essential).
Understanding of VAT and CIS processes.
Experience in credit control and invoice management.
Familiarity with job management or CRM systems (e.g. Workever, Commusoft) desirable.
Familiarity with ISO 9001 processes and document control.
Excellent organisational and communication skills.
Strong attention to detail and the ability to work independently.
Hours & Pay
Approx. 24-25 hours per week, ideally spread across 4-5 short days (e.g. 10:00-3:00, flexible)
Office-based role in Epping.
30,000-32,000 per year (pro rata)
depending on experience and agreed hours.
28 days' annual leave (including bank holidays), pro rata.
To Apply
Please send your CV together with a short note explaining your relevant experience and preferred working pattern to Terry