Job title: Assistant Accountant
Emp type: Full-time
Salary: negotiable
Location: Somerset
Job published: 20-05-2026

Job Description

Citadel Source are delighted to be partnering with an award-winning SME construction business in Somerset, currently looking to appoint an Assistant Accountant to support both the finance and commercial operations teams. This is a broad and varied opportunity sitting between transactional finance and commercial project support, offering strong exposure across the business and the chance to play a key role in supporting operational efficiency and project delivery.

About you

You are someone with a strong accounting foundation who also enjoys the commercial side of a business. You’re comfortable working across multiple teams, supporting operational processes, and getting involved wherever needed within a fast-paced SME environment. You enjoy variety in your role and are proactive in identifying ways to improve processes and support the wider business.

As an Assistant Accountant, your role will include, but not be limited to:

  • Supporting purchase order management and financial administration
  • Processing supplier and subcontractor invoices accurately and efficiently
  • Supporting day-to-day bookkeeping and transactional finance activities
  • Assisting with project monitoring including project costs, valuations, and payments
  • Supporting commercial teams with financial and operational administration
  • Tracking project variations and identifying opportunities for efficiencies or savings
  • Supporting final accounts and post-project financial analysis
  • Helping manage project documentation and commercial reporting
  • Supporting both finance and operational teams with reporting and administration
  • Running reports and supporting data analysis where required
  • Assisting with process improvement initiatives across finance and operations
  • Supporting future automation and AI-led process improvements across the business

What the client is looking for

  • Previous experience within an Assistant Accountant, Accounts Assistant, or similar finance role
  • General bookkeeping knowledge (AAT Level 3 or qualified by experience advantageous)
  • Strong Excel skills, ideally including pivot tables
  • Strong organisational skills and attention to detail
  • Ability to work collaboratively across finance and operational teams
  • A proactive and flexible approach within a growing SME environment
  • Construction or project-led business exposure highly desirable
  • Commercial awareness and confidence supporting operational stakeholders

What the client has to offer:

  • Salary of circa £35,000 per annum
  • Hybrid working model
  • Opportunity to work closely with senior stakeholders including the Finance Director
  • Broad exposure across both finance and commercial operations
  • Varied role within a supportive and growing SME environment
  • Opportunity to support process improvements and operational efficiencies across the business

Sound like a good fit?

If you are interested in this position, please reach out to Harry Harvey - harry@citadelsource.com at Citadel Source.