Celebrating a year of outstanding achievement at the iiE Awards 2025

This year’s event featured an inspiring talk from a leader in nature restoration, unmissable networking opportunities, and expert-led workshops.

Held at KingsGate Peterborough on Thursday 20 November, the iiE Awards 2025 saw members come together to recognise the green achievements of businesses and organisations across the membership and beyond.

Attendees had the opportunity to exchange ideas and quiz environmental specialists during morning of sustainability-themed workshops on carbon footprinting, transport, nature, social impact, and more.

Introduced by event compère Sarah Mukherjee MBE (CEO of ISEP and a former BBC environment correspondent), this year’s keynote speaker was Archie Struthers, CEO of world-leading nature restoration company Nattergal.

Congratulations to the winners and runners-up of this year’s awards:

Natural Environment Champion 2025, supported by Nattergal

Winner: Ecology Building Society

Runner-up: Manchester University NHS Foundation Trust

Best Carbon Reduction 2025, sponsored by Green Energy Switch

Winner: St Peter’s Vets

Runner-up: Everyturn Mental Health

Low Carbon Transport Champion 2025, sponsored by Smart Carbon

Winner: Alliance Leisure Services

Runner-up: Connected Voice

Best Water Conservation 2025, sponsored by Graf

Winner: Nene Park Trust

Runner-up: Wylie Veterinary Centre

Best Social Impact 2025, supported by Good Business Charter

Winner: VetPartners

Runner-up: Cross Keys Homes

Best Waste Reduction 2025, sponsored by Wastepack

Winner: Rise North East

Runner-up: Bova Specials UK

Best Newcomer (Small) 2025, sponsored by Cambridge & Counties Bank

Winner: PCS North East

Runner-up: Sustainable Film

Best Newcomer (Medium/Large) 2025, sponsored by Roythornes Solicitors

Winners: Baltic Centre for Contemporary Art and Sophie Allport

Sustainability Influencer 2025, supported by Giki

Winner: Northampton General Hospital NHS Trust

Runner-up: Gateshead College

Overall Outstanding Achiever (Small) 2025, supported by Enterprise Mobility

Winners: Old Hall Veterinary Centre and Charity Bank

Runners-up: British Veterinary Association and Veterinary Defence Society

Overall Outstanding Achiever (Large) 2025, sponsored by Compare the Market

Winner: Cromwell Tools

Runners-up: The Newcastle upon Tyne Hospitals NHS Foundation Trust


We also celebrated Budget Paper Supplies Ltd, Cambridge & Counties Bank, Cross Keys Homes, Hull City Council, the University of Northampton, Peterborough College, and Northampton General Hospital NHS Trust achieving 10 consecutive years of Green Accreditation with iiE!

Congratulations to all winners, runners-up, and those that achieved accreditation this year.

Thank you to all our sponsors, supporters, speakers, and Nate Lansdell for the day’s photography.

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