Accounts Technician Level 3 Apprentice

Start your finance career with Thames Water 

Ready to kick-start your future in finance? Join us as an Accounts Technician Apprentice and play a real part in supporting the UK’s largest water and wastewater provider. This is your chance to gain hands-on knowledge, work with skilled finance professionals, and earn a respected Level 3 qualification that can open the door to a long-term career. on experience, work with skilled finance professionals, and earn a respected Level 3 qualification that can open the door to a long-term career. 

You’ll learn how our Operations Finance teams help the business plan, track and understand performance, all while contributing to work that keeps our services running for millions of customers. 

What you’ll be doing as an Accounts Technician Level 3 Apprentice

As an apprentice, you’ll learn by doing. You’ll join our Operations Finance team and be supported every step of the way as you develop practical skills in: 

Financial Planning: 

• Support the Financial Planning and Accounting Manager in preparing reporting, consolidations, timetables & communications, with strong financial controls and critical evaluation are embedded in the processes.
• Preparing monthly financial reports on performance.
• Developing and implementing logical standards and modelling of Key performance Indicators. 
• Involvement in formal budget & forecast cycles including rolling forecasts & long-term business plans.

Management Accounting: 

• Support the Financial Controller in understanding and transacting core financial processes 
• Ranging from regular cycle close processes, core financial control compliance and review, production/provision of information for statutory and regulatory accounts and preparing for audit 

Where you will work: 

Location: Clearwater Court, Reading (RG1 8DB) 

Hours: 36 hours a week across four working days plus one off-the-job training day, with two days on site 

Start date: September 2026 

Training and qualification 

You’ll study with First Intuition, one of the UK’s leading finance training providers. 
Your training includes: 

• Classroom and online learning options.
• Face-to-face and live online development days.
• Support from your dedicated skills coach.
• Access to an online learning environment throughout your programme.

Qualification: Assistant Accountant Apprenticeship Standard Level 3 

Duration: 18 months 

What you should bring to the role 

If you’re passionate about numbers and excited to learn, this could be the perfect role for you. We're looking for someone who: 

• Has GCSE Maths and English (grade 9-4 / A-C)
• Holds 3 A-levels in related subjects.
• Thinks logically and enjoys problem-solving.
• Can manage their time well and stay organised.
• Works well in a team but is also confident working independently.

What’s in it for you? 

• Excellent salary: £22,500 annum
• Annual Leave: 24 days holiday per year, increasing to 28 with the length of service (plus bank holidays)
• Performance-related pay plan directly linked to company performance measures and targets 
• Generous Pension Scheme through AON.
• Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

Find out more about our benefits and perks 

Who are we? 

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It’s a big job and we’ve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come. 

Learn more about our purpose and values 

Working at Thames Water 

Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you’ll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits. 

If you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region, and our planet. 

Real purpose, real support, real opportunities. Come and join the Thames Water family. Why choose us? Learn more. 

We’re committed to being a great, diverse, and inclusive place to work. We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process. If you need any adjustments, whether that’s extra time, accessible formats, or anything else just let us know, we’re here to help and support. 

When a crisis happens, we all rally around to support our customers. As part of Team Thames, you’ll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be given for what is undoubtedly an incredibly rewarding experience. It’s also a great opportunity to learn more about our business and meet colleagues. 

Disclaimer: due to the high volume of applications we receive, we may close the advert earlier than the advertised date, so we encourage you to apply as soon as possible to avoid disappointment.