Finance Assistant

Portsmouth Water Ltd; Langstone; Hybrid; GBP 22,000 - 30,000; Full time

Benefits offered by this job

25 days annual leave + bank holidays

Generous pension scheme (up to 15%)

Non-contractual bonus up to 6%

Life assurance (4x salary)

Employee Assistance Programme

HealthHero wellbeing / Virtual GP

PW Perks: EV scheme, Cycle to Work, HC

Job summary

Portsmouth Water Ltd is seeking a Finance Assistant to support both accounts payable and receivable within a collaborative and high-performing Finance team. You will accurately record and manage financial transactions, while building strong relationships across the business and with external partners, delivering a high level of service.

The role emphasizes accuracy, handling high volumes of transactions, and proactive problem-solving.

Qualifications

• A genuine passion for numbers with high accuracy.
• Experience handling large volumes of financial transactions.
• Attention to detail and data integrity.

Responsibilities

• Validate invoices against purchase orders and ensure timely posting.
• Support Finance Operations Manager with ad-hoc tasks.
• Maintain purchase ledger and control accounts for accuracy and integrity.
• Process invoices, credit notes and payments efficiently.
• Reconcile supplier statements and resolve discrepancies.
• Prepare and issue customer invoices with high accuracy.

Skills

Numerical accuracy

High-volume processing

Analytical skills

Communication skills

Problem solving

Multitasking

Deadline-driven

Values-driven

Education

AAT qualification

Job description

We’re making a difference: Together, we can ensure that there is enough water for everyone, now and in the future., As a Finance Assistant you will become an integral part of a collaborative and high-performing Finance team. In this varied role, you will support both accounts payable and receivable activities, helping to keep our financial operations running smoothly and efficiently.

As the successful candidate, you will play a key part in accurately recording and managing financial transactions within our systems, while ensuring processes are delivered with precision and on time. Alongside this, you will build strong relationships across the business and with external partners, providing a high level of service and support that contributes to the overall success of the Finance function.

What will you be doing?

Key Responsibilities

• Accurately validate invoices against purchase orders, ensuring all trade invoices are issued correctly and on time
• Support the Finance Operations Manager with a variety of ad‑hoc tasks, contributing to the smooth running of the team
• Maintain the purchase ledger and related control accounts, helping ensure financial accuracy and integrity
• Process invoices, credit notes, and payments efficiently and with great attention to detail
• Reconcile supplier statements, quickly identifying and resolving any discrepancies
• Prepare and issue customer invoices, ensuring a high standard of accuracy and service.

Key Requirements

• A genuine passion for numbers, with strong accuracy and confidence in working with figures
• Proven ability to process high volumes of potentially complex financial transactions
• Highly analytical, with exceptional attention to detail
• Strong communication skills, with the ability to clearly convey information to a range of stakeholders
• A proactive problem‑solver, confident in handling queries and resolving issues efficiently
• Highly adaptable, with excellent multi‑tasking skills and the ability to manage competing priorities and deadlines
• A commitment to demonstrating our core values of Excellence, Integrity and Future Focus

Desirable

• AAT qualification (or similar), current study towards a qualification, or relevant accounting experience would be advantageous but is not essential

If you are successful for the role, you will be required to undergo Baseline Personnel Security Standard (BPSS) pre‑employment checks that will include a basic disclosure check. Depending on the role, you may also be required to go through the national security vetting process for either a CTC or SC clearance check. Any offer of employment is conditional upon completion and receipt of satisfactory checks.

We recognise people want to work in a variety of different ways, and that’s why we’re happy to consider flexible working arrangements. Please feel free to talk to us at interview about the flexibility you may be looking for.

We’re committed to equality, diversity and inclusion, and we actively encourage applications from all sections of society.

Please be aware, the Company has a responsibility to ensure that all employees are eligible to live and work in the UK.

Due to the high volume of applications we may receive, we’re unable to respond to every applicant individually. If your application is of interest, we’ll usually be in touch within 4 weeks of receiving it.

What can Portsmouth Water offer you?

Holidays Made Better

Enjoy 25 days of annual leave, plus bank holidays, giving you plenty of time to relax, recharge, and explore.

A Pension That Works for You

We’ll help secure your future with a generous pension scheme, contributing up to 15% - because your tomorrow matters as much as your today.

Performance Pays Off

You could earn a non‑contractual bonus of up to 6% of your basic salary, linked to company performance - because when we succeed together, you should benefit too.

Family Comes First

Whether you’re welcoming a new arrival through birth or adoption, we’ve got your back with enhanced maternity, paternity, and adoption leave and pay.

Social Events

All expenses covered summer and winter social events

Peace of Mind, Always

Our life assurance scheme gives your loved ones extra security, with a 4x salary lump sum benefit in case the unexpected happens.

Comprehensive Wellbeing Support

Whether you need confidential mental health and wellbeing advice 24/7 through our Employee Assistance Programme, or physical health support via our Virtual GP service (available 8am-10pm, 7 days a week for you and your immediate family), help is always close at hand with the HealthHero app.

PW Perks - Treat Yourself!

Enjoy exclusive discounts at thousands of retailers, plus exciting benefits like:

• Electric Vehicle Scheme (after 1 year)
• Cycle to Work Scheme
• Health Cash Plan