TEMP Group Financial Regulatory Accountant
| Posting date: | 10 February 2026 |
|---|---|
| Salary: | £450 per day |
| Hours: | Full time |
| Closing date: | 24 February 2026 |
| Location: | Reading, Home Counties, RG1 8DB |
| Company: | Thames Water |
| Job type: | Contract |
| Job reference: | 59155960 |
Summary
We are seeking an experience Group Financial Regulatory Accountant to join the team on a 6 month temporary contract. You will be primarily responsible for the development of first-class financial regulatory reporting within our Annual Performance Report (APR).
This includes segmental business unit analysis and reporting across the whole company. You will project manage year-end and month-end deliverables, refine reporting processes, optimise our use of financial systems and provide expert advice to the business.
This is a demanding role in a large organisation that will give you the opportunity to engage and work alongside stakeholders from across the business and to fully understand all our service lines.
In addition to your core role, you will join your friendly external financial reporting colleagues on site visits to Waste and Water treatment works, have access to a range of training courses and enjoy team social events. You will be a highly valued and pivotal team member as we increase our focus on best-in-class external reporting.
What you will be doing as a Group Financial Regulatory Accountant
- Leading and project managing the delivery of the financial sections and associated documentation for our Annual Performance Report.
- Main lead for external audit deliverables and queries.
- Central support for monthly regulatory reporting.
- Central support for quarterly reporting on Return of Regulatory Equity. (RORE)
- Developing best practice processes and procedures around our external regulatory reporting, including using a range of financial tools, including SAP, HFM and SAC.
- Building up an expert knowledge of our business units and their financial performance.
- Becoming an expert in and advising stakeholders on financial reporting requirements set by our regulator, Ofwat, as set under Regulatory Accounting Guidelines. (RAGs)
- Providing training and guidance to the supporting Finance teams.
- Supporting projects to support the wider Finance team.
- Key contact for Ofwat and External Audit queries.
The role will report into the Financial Reporting manager and will be supported by the wider financial accounting team.
What should you bring to the role?
To effectively perform this role, the successful candidate must be a qualified chartered accountant (ACA, ACCA, CIMA or equivalent). The ideal candidate will have the ability to learn and become an expert in the water sector, have a change mindset and the ability to work with a range of financial systems.
In addition, strong communication and relationship management skills will be essential, as maintaining and building robust relationships with a variety of key stakeholders is vital within this position. Additionally, you will have strong experience working in a team towards a common objective within tight deadlines. Experience of using company IT systems, including SAP, SAC and HFM, would be desirable.
Whats in it for you?
- Daily Pay rate: £450
- IR35 determination: Inside IR35
- Location: Hybrid, Reading (2 days a week)
- Length of assignment: 26 weeks
Required Start date - ASAP
Who are we?
At Thames Water, our purpose is crystal clear - to deliver life’s essential service so our customers, communities and planet can thrive.
Water is life’s great leveller. Every living thing needs it, every single day. From people to plants, birds to bees, farms to factories, we all need it to thrive, and we’re committed to taking care of it for us all.
But keeping water flowing is becoming harder. From scorching summers to wetter winters, extreme weather affects everything from our pipes to our local rivers. We need to keep millions more kettles boiling, public services operating, washing machines spinning, showers running and more, so every drop is more precious than ever. Are you ready to play your part?
Working at Thames Water
At Thames Water we recognise that people are at the heart of our business. To help us succeed in providing life's essential service, we need a range of skills and capabilities, representative of society throughout our business.
We seek to attract and retain a cultural mix of people who can offer different but complementary attitudes, values, talents, and knowledge. We understand the importance of appreciating and harnessing the unique skills, experiences, background, and differences that each individual brings.
Our over-arching diversity and inclusion aim is to ensure Thames Water is a diverse and inclusive great place to work. We encourage applications from everyone and offer extra support for those who need it throughout the recruitment process
Find out more about working at Thames Water.
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, meet colleagues and earn some extra money along the way.
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.
This includes segmental business unit analysis and reporting across the whole company. You will project manage year-end and month-end deliverables, refine reporting processes, optimise our use of financial systems and provide expert advice to the business.
This is a demanding role in a large organisation that will give you the opportunity to engage and work alongside stakeholders from across the business and to fully understand all our service lines.
In addition to your core role, you will join your friendly external financial reporting colleagues on site visits to Waste and Water treatment works, have access to a range of training courses and enjoy team social events. You will be a highly valued and pivotal team member as we increase our focus on best-in-class external reporting.
What you will be doing as a Group Financial Regulatory Accountant
- Leading and project managing the delivery of the financial sections and associated documentation for our Annual Performance Report.
- Main lead for external audit deliverables and queries.
- Central support for monthly regulatory reporting.
- Central support for quarterly reporting on Return of Regulatory Equity. (RORE)
- Developing best practice processes and procedures around our external regulatory reporting, including using a range of financial tools, including SAP, HFM and SAC.
- Building up an expert knowledge of our business units and their financial performance.
- Becoming an expert in and advising stakeholders on financial reporting requirements set by our regulator, Ofwat, as set under Regulatory Accounting Guidelines. (RAGs)
- Providing training and guidance to the supporting Finance teams.
- Supporting projects to support the wider Finance team.
- Key contact for Ofwat and External Audit queries.
The role will report into the Financial Reporting manager and will be supported by the wider financial accounting team.
What should you bring to the role?
To effectively perform this role, the successful candidate must be a qualified chartered accountant (ACA, ACCA, CIMA or equivalent). The ideal candidate will have the ability to learn and become an expert in the water sector, have a change mindset and the ability to work with a range of financial systems.
In addition, strong communication and relationship management skills will be essential, as maintaining and building robust relationships with a variety of key stakeholders is vital within this position. Additionally, you will have strong experience working in a team towards a common objective within tight deadlines. Experience of using company IT systems, including SAP, SAC and HFM, would be desirable.
Whats in it for you?
- Daily Pay rate: £450
- IR35 determination: Inside IR35
- Location: Hybrid, Reading (2 days a week)
- Length of assignment: 26 weeks
Required Start date - ASAP
Who are we?
At Thames Water, our purpose is crystal clear - to deliver life’s essential service so our customers, communities and planet can thrive.
Water is life’s great leveller. Every living thing needs it, every single day. From people to plants, birds to bees, farms to factories, we all need it to thrive, and we’re committed to taking care of it for us all.
But keeping water flowing is becoming harder. From scorching summers to wetter winters, extreme weather affects everything from our pipes to our local rivers. We need to keep millions more kettles boiling, public services operating, washing machines spinning, showers running and more, so every drop is more precious than ever. Are you ready to play your part?
Working at Thames Water
At Thames Water we recognise that people are at the heart of our business. To help us succeed in providing life's essential service, we need a range of skills and capabilities, representative of society throughout our business.
We seek to attract and retain a cultural mix of people who can offer different but complementary attitudes, values, talents, and knowledge. We understand the importance of appreciating and harnessing the unique skills, experiences, background, and differences that each individual brings.
Our over-arching diversity and inclusion aim is to ensure Thames Water is a diverse and inclusive great place to work. We encourage applications from everyone and offer extra support for those who need it throughout the recruitment process
Find out more about working at Thames Water.
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, meet colleagues and earn some extra money along the way.
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.
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About Disability Confident
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