Sustainability
Our commitment to people and planet
Our sustainability targets are ambitious and reflect our strong commitment to operating sustainably. I’m immensely proud of my colleagues for embracing this challenge by adopting new and innovative ways of thinking and working; as well as demonstrating leadership in our industry."
Group Chief Executive Officer
Year on year, we make significant progress towards our sustainability targets
Our One Planet: Engineering with Purpose Sustainability Strategy (One Planet) continued to shape our activities in 2025. The Group-wide strategy was initially designed in 2021 and has driven sustainability across all areas of our operations from how we source materials, develop, manufacture and sell our products, to how we create value for our customers and support our communities, ensuring we protect people and the planet.
Our progress to date:
Achieve net zero greenhouse gas emissions
- 62% decrease in scopes 1 and 2 emissions (market-based) since 2019
- 20% reduction in Group energy use since 2019
- 87% electricity from renewable sources in 2025
Deliver biodiversity net gain
- 5x biodiversity ‘offset’ of our global operational footprint since 2021*
- 2,756 acres of land protected since 2021
- 10% biodiversity net gain achieved and externally verified for three sites
- 100% of operating companies have delivered at least one biodiversity initiative since the launch of the One Planet Strategy in 2021
* Acquisitions included in our operational footprint since 2022.
Implement environmental improvements in our operations
- 25% reduction in water consumption since 2019
- 5% waste to landfill in 2025
- 13% decrease in waste generation since 2019
- 20 (of 23) manufacturing sites certified to ISO 14001
- All solvent-based paint eliminated in WMFTS
Grow sales of products with quantified sustainability benefits
- 27 Life Cycle Assessments completed since 2021
- 14.8 million tonnes of carbon saved annually by customers purchasing products sold in 2025*
- 204 million GJ of energy saved annually by customers purchasing products sold in 2025*
- 80.5 million m3 of water saved annually by customers purchasing products sold in 2025*
* From 16 product ranges included in our third-party verified methodology.
Embed sustainability criteria in supply chain management
- 988 strategic suppliers in the Supplier Sustainability Portal who are required to complete a full assessment and c. 2,000 suppliers who we monitor remotely
- 96% of direct material suppliers have signed the Supplier Sustainability Code (by number)*
- 98% of direct material suppliers have signed the Supplier Sustainability Code (by spend)*
* Percentage of the total number of suppliers with an annual spend of over £15,000 and all suppliers that are deemed potentially high risk on the basis of geographic location or commodity type.
Support the wellbeing of people in our communities
- >109,000 volunteering hours delivered since 2021
- £1.4 million cash or in-kind donations made by Group companies since 2021
- £4.1 million donated by the Spirax Group Education Fund, since it began operating in 2022
Find out more about our sustainability strategy and approach.
Our sustainability progress
To find out more about our One Planet: Engineering with Purpose Sustainability Strategy, and progress against our sustainability targets, please view our most recent Sustainability Report.