Grow
a sustainable
organisation

Investors in the Environment (iiE) is a not-for-profit sustainability accreditation scheme for organisations of all sizes and sectors. We'll help you set goals, take action, track progress, and achieve nationally recognised accreditation.

Our Plans

Join 300+ businesses across the UK, and beyond, making an impact

Explore iiE member success stories

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How can we help?

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New to sustainability?

Develop a clear framework, understand your environmental impact and build momentum.

Learn how iiE works
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Looking for recognised certification?

Achieve Bronze, Silver or Green accreditation and demonstrate your progress.

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Want to build skills?

Access training, resources and expert support.

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The iiE Framework

The iiE framework provides a practical roadmap for environmental improvement, helping organisations build, measure and strengthen their Environmental Management System. Across Bronze, Silver and Green accreditation levels, organisations progress from establishing the foundations of good environmental management to delivering measurable impact, reducing carbon emissions and embedding sustainability across their operations.

 


What our members say

Being part of iiE has really boosted my confidence in driving sustainability forward — it’s given me the knowledge, tools, and community I need to make a real difference.

iiE membership has helped our organisation embed sustainability into everyday operations, cut costs through efficiency, and showcase our environmental commitment with credibility

Lisette Etheridge, Office Manager & PA, IBA Group Limited

iiE really helps us focus on the areas where we can make a difference in reducing our carbon emissions.

Amit Parmar, Strategy & Performance Executive, CIPD

The 1-to-1 support provided throughout the year and at our annual review by our iiE advisor enables us to remain committed and focussed in our sustainability efforts.

John Leaver, Marketing and Framework Director, Alliance Leisure

I have always found the iiE advisors to be extremely friendly, supportive and knowledgable, and have so much information to support our organisation as we improve our sustainability. There are fantastic resources available as part of our iiE membership, and the templates were invaluable when we started our work with iiE to allow us to produce the required documentation for each annual audit. They are always providing new ideas and suggestions as well as providing IT assistance with the data analysis.

Rachel Church, Milton Keynes Veterinary Group

iiE are a major influence and guidance for us

Chris Yare, Emmaus North East

iiE gives us the tools to make real changes within our practice, this is all through the guidance of a brilliant advisor.

Ella Townsend, Veterinary Surgeon, St Peter's Vets

Being iiE members has encouraged and motivated us to improve our environmental practices and to celebrate the things we do well.

Dawn Foster, Highlights Rural Touring Scheme

We can all make a difference at a time when action on climate change is most needed. As we work towards iiE’s top level Green accreditation, we are keen to share our growing experience and knowledge on sustainability to help inspire and support other practices in any way we can.

Ellie West, Linnaeus Environmental Sustainability Lead, Davies Veterinary Specialists

We’ve had a few different advisors over the years and all of them have been brilliant, they are there to help when you need them but equally they don’t hover over you when you don’t need them. The advice they give is always very helpful.

Laura Binnie, Vet & Sustainability Lead, Paragon Veterinary Group

iiE’s thorough resources take you through the process step-by-step, making it accessible and achievable, and their friendly team has been extremely helpful in responding to our queries. Organisations need help to understand and take action on environmental issues, and iiE’s work provides a vital bridge to enable them to do so.

Sustainability Projects & Education Lead, Change Agents

We joined iiE back in 2018 and they have been with us every step of the way for our environmental journey. They are always available for help, support and ideas when needed. They have helped us achieve green accreditation and helped countless others to become more environmentally aware to help our strained planet.

Lindsey Raven Emrich, SVN, Mayne Veterinary Clinic

The advisor and auditors are very approachable, friendly and knowledgeable

Darren Fahy, Facilities Manager, British Veterinary Association

It’s really gratifying when the work we as a Council have put in is recognised and we can demonstrate to others in the City the benefit of both monitoring and taking action of your environmental impact as well as the iiE approach to a management system as well.

Climate Change Manager, Hull City Council

iiE helps the lone voice in an organisation become louder and get listened to

Adrian Shortland, Environment & Sustainability Manager, West Midlands Police

Support and guidance from advisors, also the newly added benefits of the stickerbook are great learning materials

Wayne Granger, Group Director of Estates and Health + Safety, Inspire Education Group

Being a member of iiE has been invaluable in setting up our veterinary hospital on this environmental journey. In the beginning it felt like even the small environmental actions were difficult to achieve but four years down the line sustainability is part of our core values and we have moved on to much bigger projects and ambitions. Being an iiE member helped us to get here in a structured way, without any in-house sustainability knowledge in the beginning.

Emilia Porter, Veterinary Surgeon, Veterinary Specialists Scotland

Latest News & Events

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Carbon Literacy for Housing Associations (2 half days)

Join Change Agent’s interactive, informative and inspiring training to develop your skills and become fully Carbon…

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Let’s talk about how we can help your organisation

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