Introduction
Susan Davy is one of the most respected leaders in the United Kingdom’s regulated water industry. Best known for serving as the Chief Executive Officer of Pennon Group plc, she built a reputation for combining financial expertise with strategic leadership. Over a career spanning nearly three decades, she played a significant role in shaping the future of water services through investment, operational improvement, and long-term planning.
Although Susan Davy maintained a low public profile compared to many corporate executives, her influence within the utilities sector has been substantial. From her early career in finance to leading one of Britain’s largest water companies, her professional journey reflects dedication, strong governance, and resilience during periods of both growth and public scrutiny.
Quick Bio
| Information | Details |
|---|---|
| Full Name | Susan Jane Davy |
| Known As | Susan Davy |
| Date of Birth | May 1969 |
| Age | 57 (as of 2026) |
| Nationality | British |
| Profession | Business Executive, Chartered Accountant |
| Education | BSc (Hons), Associate Chartered Accountant (ACA) |
| Career Started | Yorkshire Water |
| Joined Pennon Group | 2007 |
| CFO Appointment | 2015 |
| CEO Appointment | 31 July 2020 |
| Companies Led | Pennon Group, South West Water, Bournemouth Water, Bristol Water, SES Water |
| Industry | Water Utilities |
| Net Worth | Not publicly disclosed |
| Salary | Publicly reported through Pennon Group annual remuneration reports |
Who Is Susan Davy?
Susan Davy is a British business executive recognized for her leadership within the UK’s water utility sector. She became Chief Executive Officer of Pennon Group in July 2020 after several years as the company’s Chief Financial Officer. Her promotion reflected extensive experience in finance, regulation, and strategic planning.
Throughout her leadership, Susan Davy focused on strengthening operational performance while supporting long-term investment in water infrastructure. Her balanced approach to business management earned respect among industry professionals, regulators, and investors alike.
Early Career and Professional Foundation
Before joining Pennon Group, Susan Davy built valuable experience at Yorkshire Water. During her time there, she worked in senior finance and regulatory positions, helping develop strategies for investment planning and regulatory compliance.
These early responsibilities provided a strong understanding of the challenges facing the water industry. Working within a highly regulated environment prepared her for larger leadership responsibilities later in her career.
Joining Pennon Group
Susan Davy joined South West Water in 2007 as Finance and Regulatory Director. Her appointment came during a period when the company was investing heavily in infrastructure and customer services.
Her financial knowledge and understanding of regulation quickly made her one of the company’s most trusted executives. She played an important role in business planning, financial management, and preparing investment strategies for future growth.
Becoming Chief Financial Officer
In 2015, Susan Davy was promoted to Chief Financial Officer of Pennon Group and joined the Board of Directors. This marked an important milestone in her professional career.
As CFO, she managed the company’s financial strategy, capital investment planning, corporate reporting, and shareholder communication. Her careful financial management supported Pennon’s long-term stability while preparing the business for future strategic developments.
Susan Davy’s Appointment as CEO
On 31 July 2020, Susan Davy became Chief Executive Officer of Pennon Group, succeeding Chris Loughlin. Her appointment represented years of experience within the company and deep knowledge of the regulated utilities sector.
As CEO, she guided Pennon through significant business transformation while maintaining a focus on customer service, operational performance, and environmental responsibility. Her leadership emphasized sustainable growth rather than short-term results.
Major Companies Under Her Leadership
During her time as CEO, Susan Davy oversaw several important businesses operating within Pennon Group.
These included South West Water, Bournemouth Water, Bristol Water, and SES Water. Managing multiple regulated water companies required careful coordination, strong governance, and continuous investment in infrastructure and customer services.
Business Achievements and Strategic Decisions
One of Susan Davy’s most notable achievements was leading Pennon Group after the sale of Viridor, allowing the company to focus entirely on regulated water services. This strategic change reshaped the group’s long-term direction.
She also supervised the integration of Bristol Water and SES Water into the wider Pennon business. These acquisitions strengthened the company’s position within the UK water industry while expanding its customer base and operational footprint.
Leadership Style
Susan Davy became known for a leadership style centered on accountability, financial discipline, and long-term planning. She consistently highlighted the importance of responsible investment in essential public infrastructure.
Her approach also emphasized workforce development, operational efficiency, and delivering reliable services for customers. Rather than pursuing rapid expansion alone, she focused on sustainable improvement across the organization.
Challenges During Her Leadership
Like many executives in the regulated utilities sector, Susan Davy faced significant challenges during her tenure. Environmental concerns, regulatory oversight, and public expectations placed increasing pressure on water companies across the United Kingdom.
Her leadership also coincided with periods of heightened public criticism regarding environmental performance within the industry. These challenges required transparent communication and continued investment aimed at improving operational standards.
Source of Income and Salary
Susan Davy’s professional income primarily came from her executive responsibilities at Pennon Group. Public company reports show that her remuneration included a base salary together with performance-related incentives and pension contributions.
As with other listed companies in the United Kingdom, executive remuneration was disclosed through annual corporate reports. However, no verified public information confirms her personal net worth beyond those official disclosures.
Industry Contributions
Beyond her executive responsibilities, Susan Davy contributed to the wider UK water sector through industry leadership roles. She served as President of the Institute of Water and supported professional development across the utilities industry.
Her involvement reflected a commitment to improving industry standards while encouraging skills development and future leadership within the water sector.
Retirement and Latest Developments
In 2025, Pennon Group announced that Susan Davy would retire after more than eighteen years with the company and nearly thirty years working within the UK water industry.
Her retirement marked the conclusion of a significant chapter in Pennon’s history. The company recognized her contribution to strategic transformation, operational leadership, and long-term investment across its regulated water businesses.
Susan Davy’s Legacy
Susan Davy leaves behind a legacy defined by responsible corporate leadership, financial expertise, and commitment to public utility services. Her career demonstrates how strategic planning and strong governance can support long-term organizational success.
Although her leadership included both achievements and industry challenges, she remains recognized as one of the prominent executives who helped shape the modern UK water sector through investment, business transformation, and operational leadership.
Conclusion
Susan Davy’s professional journey reflects steady progression through experience, expertise, and responsible leadership. Beginning in finance and regulation before advancing to Chief Executive Officer of Pennon Group, she demonstrated the importance of strategic thinking within one of the United Kingdom’s most heavily regulated industries.
Her career serves as an example of effective executive leadership focused on long-term investment, customer service, and corporate governance. While the UK water industry continues to evolve, Susan Davy’s contribution to Pennon Group and the wider utilities sector remains an important part of its recent history.
Frequently Asked Questions (FAQ)
Who is Susan Davy?
Susan Davy is a British business executive and chartered accountant who served as the Chief Executive Officer of Pennon Group plc.
What is Susan Davy known for?
She is best known for leading Pennon Group and overseeing South West Water, Bournemouth Water, Bristol Water, and SES Water.
When did Susan Davy become CEO of Pennon Group?
She became Chief Executive Officer on 31 July 2020.
Where did Susan Davy start her career?
She began her career in the UK water industry at Yorkshire Water, where she held senior finance and regulatory roles.
What is Susan Davy’s educational background?
She holds a Bachelor of Science (BSc Hons) degree and is an Associate Chartered Accountant (ACA).
What companies did Susan Davy lead?
She led Pennon Group, including South West Water, Bournemouth Water, Bristol Water, and SES Water.
What is Susan Davy’s net worth?
Her personal net worth has not been publicly disclosed, and no verified estimate is available.
Why is Susan Davy considered an influential business leader?
She is recognized for her leadership in corporate finance, strategic transformation, infrastructure investment, and governance within the UK water industry.




