Actions for 2024 ‑ 2026
To support our ambition to be the best water and environment sustainability specialist, we have identified the areas where we can make the biggest impact and drive long-term, positive change. Our approach is structured across three pillars – people, planet, and prosperity.

People
Empowering our people and communities for a brighter future
- Enhance workforce
diversity - Create opportunities
for all - Invest in
our people - Promote health, safety
and wellbeing

Planet
Leading the transition to a more sustainable and resilient world
- Progress to
net zero - Prioritise low
carbon delivery - Protect and restore biodiversity
- Deliver resilient, sustainable water infrastructure

Prosperity
Nurturing responsible growth for a better tomorrow
- Contribute to a sustainable supply chain
- Engage with thriving stakeholders
- Provide effective governance and transparent reporting
- Foster empowered communities

ESG report 2025
We’re delighted to share our 2025 Environment, Social, and Governance (ESG) report which highlights the steps we have taken to achieve our ambition to be the best water and environment sustainability specialist.
These achievements reflect our unwavering commitment to lead the transition to a sustainable and resilient future – working with our stakeholders to create lasting positive impact for generations to come.
Looking ahead, our focus will be on accelerating Scope 3 emissions disclosure, scaling biodiversity initiatives across all projects, and embedding ESG training deeper into our workforce and supply chain. We will continue to innovate and collaborate with clients and partners to ensure that sustainability remains at the heart of everything we do. Together, we will drive measurable impact and lead the transition to a sustainable future for all.
Jeremy Campbell
Chief Growth Officer
Our ESG accreditations

Achilles Carbon Reduce
Our certification under the Achilles and Toitū Envirocare Carbon Reduce programme empowers Stonbury to manage, quantify and report its continually reducing carbon footprint, offering industry-leading sustainability assurance.

The 5% Club
As a member of the 5% Club, we’re committed to Earn and Learn positions for apprentices, students and graduates to contribute to a socially mobile, prosperous and cohesive nation.

Disability Confident
We are a Disability Confident employer, meaning we’ve improved the way we recruit, retain and develop disabled people. This helps us find valuable employees from the widest pool of talent, nurture a fair and diverse workplace and eradicate outdated attitudes to lead a movement of societal change.

Living Wage Employer
Being an accredited Living Wage employer means we pay our employees a real living wage. We’ve chosen to go further than the government minimum wage to ensure our annual pay increases are linked to the cost of living so our employees always earn enough to live on.

Conflict Avoidance Pledge
The RICS Conflict Avoidance Pledge offers assurance to clients and suppliers that we work collaboratively to ensure projects are delivered on time, on budget and on par. By implementing early intervention procedures to proactively mitigate disputes, we’re leading positive change in the construction industry.

British Safety Council
Our British Safety Council membership helps us navigate legislation and compliance while systematically maintaining exceptional health, safety, and wellbeing standards to foster a thriving and resilient workforce.