iiE Awards 2025
Thursday 20th November - Kingsgate Conference Centre, Peterborough
Join us to celebrate the sustainability successes of our iiE community, discover best practices, and be inspired by industry leaders.
This is your opportunity to showcase your sustainability achievements and gain the recognition you deserve. Whether you’ve cut carbon, reduced waste, or inspired your team to go green, we’re here to celebrate your impact.
This year’s awards
Entries open: 1st April 2025
Note: To enter the iiE Awards 2025, your organisation must have been audited between 1st October 2024 and 30th September 2025. If you haven’t been audited within these dates, please contact your advisor.
Deadline for entries: 5pm Thursday 9th October 2025
Judging period: October
Shortlist announced: Early November
Enter here Download the submission criteria See last year’s winners
Thank you to our iiE Awards 2025 Sponsors
Roythornes Solicitors
Compare the Market
Interested in sponsoring the iiE Awards 2025?
Support our celebration of sustainability and gain valuable brand exposure through our sponsorship packages.
2025 Award Categories
We’re proud to celebrate members making a real difference. Here are the categories you can enter this year:
Low Carbon Transport Champion 2025
This award recognises organisations making excellent progress to increase low carbon transport in their organisation.
Sponsorship available
Natural Environment Champion 2025
This award recognises businesses for how they have contributed to enhancing or protecting the natural environment, including support for biodiversity and conservation.
Sponsorship available
Sustainability Influencer 2025
Sustainability Influencer 2025 is awarded to businesses that have changed behaviours to inspire change beyond their direct business activities.
Sponsorship available
Best Social Impact 2025
This award recognises our members that have gone above and beyond with a social or CSR-focused project.
Sponsorship available
Best Newcomer 2025
This award recognises our newer members that have gone above and beyond at the start of their sustainability journey.
SME Category sponsored by Cambridge & Counties Bank
Large Business Category sponsored by Roythornes Solicitors
Overall Outstanding Achiever 2025
This award recognises our highest achieving SME and Large Business Green-Accredited members that can demonstrate incredible resource efficiency and staff engagement with environmental or social impact projects.
SME Category sponsorship available
Large Business Category sponsored by Compare the Market
Best Carbon Reduction 2025
This award recognises businesses that have gone above and beyond to reduce their carbon emissions.
Sponsored by Green Energy Switch
Best Waste Reduction 2025
This award recognises businesses that have gone above and beyond to reduce waste.
Sponsorship available
Best Water Reduction 2025
This award recognises businesses that have significantly reduced their water usage and/or improved water quality.
Sponsorship available