Business Administration Apprenticeship - Billing & Customer Research

Looking to kick-start your career, gain hands-on experience, and earn while you learn? We’ve teamed up with GP Strategies to offer apprenticeship opportunities that give you real experience in a professional role. You’ll work towards recognised qualification, with 3 paid hours per week dedicated to your apprenticeship learning.

As a Business Administrative Apprentice you will be placed in our positive Billing & Customer Research team which focuses on helping customers and colleagues with essential billing processes.

No experience needed, just a positive attitude, motivation and willingness to learn.

Interviews will take place in June with a start date on or around 10 August 2026.

Perks you'll enjoy

• Earn while you learn with a salary of £15,500
• Fully funded for those aged 16-24
• Real-world business experience with valuable transferable skills
• Monday to Friday working schedule, so your weekends are all yours

What you'll be doing

• Customer communication and care: Understand, generate and review customer bills, taking ownership or customer queries and following through to resolution by handling incoming communications typically over email
• Problem-solving: Build rapport, identify customer needs quickly, efficiently, and proactively to deliver excellent customer services
• Team Collaboration: Work collaboratively with team members to ensure more complex customer queries are investigated and resolved
• Account Management: Allocate customer payments and set up direct debits
• Workload and performance management: Stay organised, meet deadlines, understand your KPIs and use performance data to support continuous improvement
• Apprenticeship development: Use your allocated 3 hours of study time effectively and attend weekly meetings with your GP Strategies assessor
• Systems and processes: Use internal systems confidently, contribute to improvements, and understand key customer journey processes
• Values and compliance: Demonstrate Castle Water’s values, follow regulatory requirements, complete all mandatory training, and uphold company standards
• Flexibility and growth: Be open to additional tasks, contribute to team success, and take ownership of your professional development by participating in training programs and workshops to enhance customer service skills, product knowledge, and industry expertise

What you'll bring to the role

• Qualifications: Minimum Nat 5 Maths and Nat 5 English preferred
• Communication skills: Clever verbal and written communication is essential for conveying information effectively, whether it’s through emails, phone calls or in-person interactions
• Organisational skills: The ability to prioritise tasks and manage time effectively
• Attention to detail: Being meticulous and thorough ensures accuracy in tasks like data entry, documentation preparation and record-keeping, minimising errors and oversights
• Problem-solving skills: The capacity to identify issues, analyse situations and propose solutions is valuable for resolving challenges that may arise in day-to-day operations
• Teamwork and collaboration: Working well with others, being cooperative and contributing positively to team dynamics fosters a productive and harmonious work environment
• Adaptability: Flexibility and openness to change enable you to adjust to shifting priorities, new tasks and evolving business needs effectively
• IT proficiency: Basic proficiency in using common office software such as Word, Excel and PowerPoint are necessary, along with the ability to quickly learn new software tools

Why choose Castle Water

Castle Water is redefining the utilities sector as one of the fastest-growing and most successful companies in the UK. Guided by our core values of fairness, transparency, tenacity and being supportive, we deliver outstanding service to a diverse range of customers, including some of the UK’s largest companies and public sector organisations.

We believe in putting people first. Whether it’s creating positive interactions with our customers or fostering a supportive workplace culture, our commitment to fairness and transparency ensures we build lasting relationships with our customers.

With over 20,000 5-star Trustpilot reviews, our reputation is built on trust and excellence. We tackle every challenge with tenacity and a dedication to doing what’s fair and right.

Our head office in Blairgowrie, Perthshire, is located within easy reach of Perth and Dundee. As a company embedded in the local community, we actively participate in events that reflect our supportive values. We also have offices in Brentford, London, and Ayr, offering plenty of opportunities to join our growing team.

If you’re looking for company that’s dynamic, forward-thinking and values-driven, Castle Water is the place for you.

It’s been an incredibly rewarding experience

Hannah Bodie

Onboarding Manager