Commercial Assistant

Elbrus Partners LimitedLittlehamptonreedpublished 10/26/2026

About the company

Our client is a growing business who are looking for a driven all-rounder to sit at the heart of the company. You'll run the commercial and back-office side of the business day to day – valuations, invoicing, payroll, buying, CQR reports, and general business management – while helping us build better systems and win new business.

Your tasks

This role is for someone who wants to grow with the business. You don't need to be a fully fledged commercial manager yet, but you'll be ambitious, organised and keen to take on more responsibility as the company grows.

Commercial

  • Prepare and submit monthly valuations and applications for payment, including site visits to measure and record progress
  • Raise invoices and manage credit control, chasing payments to keep cash flow healthy
  • Handle buying and procurement of materials and plant, getting quotes and negotiating the best prices
  • Track costs against budgets on each project

Operations & Admin

  • Run weekly payroll.
  • Build, implement and improve business systems and processes so the company runs smoothly as it scales
  • Manage day-to-day back-of-house administration

Compliance

  • Complete PQQs, supplier registration and tender documentation
  • Keep company compliance up to date – accreditations (e.g. CHAS,SMAS), insurances, and health & safety paperwork

Business Development

  • Identify new clients, tenders and opportunities
  • Build relationships with main contractors and developers
  • Support pricing and tender submissions

Requirements

Essential

  • Experience in an admin, commercial, accounts or operations role – ideally in construction
  • Highly organised, with strong attention to detail
  • Confident with numbers and spreadsheets
  • Good communicator, comfortable dealing with clients, suppliers and site teams
  • Self-motivated and able to work independently in a hybrid setup
  • Full UK driving licence

Desirable

  • Knowledge of construction valuations, CIS and payroll
  • Experience with PQQs and accreditation schemes
  • Familiarity with accounting software such as Xero
  • An interest in growing into a Commercial Manager role