Final Account Manager and Commercial Assistant – Renewable Energy Sector

SERT Group Limited; England; Hybrid; GBP 27,000 - 30,000; Full time

Job summary

A renewable energy company in the UK seeks a motivated Final Account Manager and Commercial Assistant to support financial accuracy and project management. The ideal candidate will manage account reconciliation, liaise across teams, and assist with commercial tasks. A proactive individual with good communication skills is preferred. This full-time role includes hybrid working and excellent career development opportunities in the growing renewable sector.

Benefits

Reimbursed business travel expenses

Supportive work environment

Career progression opportunities

Qualifications

• Previous experience in account reconciliation or finance assistant role (advantageous).
• Confident working across multiple teams and managing competing priorities.
• Strong analytical and problem-solving skills.

Responsibilities

• Manage and reconcile final accounts, ensuring accuracy.
• Liaise with property developers, contractors, and internal teams.
• Support the Commercial Manager with data analysis and reporting.

Skills

Excellent communication skills

Organisational skills

Numeracy skills

Proactive mindset

Competence in Microsoft Excel

Analytical skills

Job description

Final Account Manager and Commercial Assistant – Renewable Energy Sector

Contract Type: Full Time

Location: Whiteley, Hampshire

Region: Hampshire

Industry: Utilities and Green Energy

Location & Salary

Hybrid working available.

Salary: £27,000 – £30,000 per annum (DOE).

Department: Finance & Operations

Reports to: Commercial Manager

About Us

Join a forward-thinking company in the renewable energy industry, specialising in solar panel installations and photovoltaic (PV) systems. Our mission is to make sustainable energy accessible across the UK while supporting the growth of a cleaner, greener future.

We pride ourselves on a friendly, flexible working culture where collaboration and innovation thrive. As a growing organisation in the sustainable energy and solar sector, we offer excellent career development opportunities and the chance to be part of a team that’s driving real environmental change.

The Role

We’re seeking a motivated Final Account Manager and Commercial Assistant to join our Finance and Operations team in Whiteley, Hampshire. This is a hybrid role, ideal for someone looking to grow within commercial finance and renewable energy project management.

You’ll play a key part in final account reconciliation, contract management, and commercial support across multiple departments. The role involves close collaboration with our Commercial Manager, Operations team, and external clients to ensure financial accuracy, clear communication, and smooth delivery of renewable energy projects.

Key Responsibilities

• Manage and reconcile final accounts, ensuring accuracy across client and internal records.
• Liaise with property developers, contractors, and internal teams to maintain project integrity.
• Support the Commercial Manager with data analysis, reporting, and ad hoc commercial tasks.
• Assist the Operations team in coordinating project information and financial documentation.
• Take ownership of chasing missing data, identifying commercial opportunities, and meeting deadlines.
• Maintain clear, professional communication with colleagues and clients at all times.

What We’re Looking For

• Previous experience in account reconciliation or a similar finance assistant role (advantageous but not essential).
• Excellent communication, numeracy, and organisational skills.
• Confident working across multiple teams and managing competing priorities.
• Strong analytical and problem-solving skills with a proactive mindset.
• Competent in Microsoft Excel, email systems, and accounting software.
• Positive, approachable, and enthusiastic about learning and supporting business growth.

Working Arrangements

Based primarily at our Whiteley, Hampshire office.

Travel may be required to our other UK offices in Lee-on-the-Solent and Bracknell (expenses reimbursed).

Hybrid working options available for the right candidate.

Salary & Benefits

• Competitive salary: £27,000 – £30,000 per annum (depending on experience).
• Reimbursed business travel expenses.
• Supportive, collaborative work environment.
• Genuine opportunities for career progression in the renewable energy sector.

Why Join Us?

This is an excellent opportunity for someone looking to build a career in finance and commercial operations within one of the UK’s fastest-growing green energy companies. You’ll gain exposure to a wide range of projects in solar energy, sustainability, and renewable infrastructure while working with a supportive, professional team.