Act now, take climate action, reduce emissions, plant trees and become sustainable

Everything a small business needs to go beyond Net Zero, all in one place

Become a sustainable business from £125 per year


Your carbon footprint


Behaviour, action & investment


Residual carbon emissions


Promote your Zellar sustainability profile


First step or already on your green journey, we bring together all the sustainable services that’s SMEs need to measure, benchmark, reduce, offset and promote their sustainable journey.

All modules combine to create your customised net zero strategy and sustainable business action plan in lowest cost and most efficient way possible.


Understand and measure your scope 1 emissions with our easy-to-use carbon emissions calculator, micro sector templates and tools.

Take steps to reduce and compare your scope 1 behaviours and emissions with similar businesses both locally and nationally.

24/7 access to your scope 2 electricity and gas emission data – building history and informing your Net Zero forecast.

Improve your carbon footprint and compare your scope 2 emissions with similar businesses both locally and nationally – regardless of who supplies your energy. Scope 3 supply chain emission reporting and benchmarking – coming soon.


Take action to reduce your emissions and costs through employee engagement, behavioural changes and adopting new business practices. We share sustainable ideas to help you reduce emissions and support the environment through an easy to follow sustainable plan.

Our peer-to-peer sustainability marketplace saves time and money by connecting you directly to leading green technology and renewable energy suppliers. Helping you track and monitor changes, while recognising the impacts you’re making in real time.


Support impactful projects that are improving the environment and reducing carbon emissions with verified local and international woodland, peatland, and soil projects.

Our peer-to-peer sustainability marketplace saves time and money by connecting you directly to carbon offset project owners.


ESG Environmental, Social and Governance standards are important for every organisation, that is why we provide a way to measure and manage all these aspects of sustainability. Your responsibility goes beyond carbon emissions your business has a responsibility to volunteer, reduce waste, water consumption and to offset your biodiversity impact.

Our peer-to-peer sustainability marketplace saves time and money by connecting you directly to biodiversity project owners, waste suppliers and environmental charities.


Keep your customers and stakeholders informed on every step of your sustainability journey, by capturing and sharing your stories through your Zellar and social media profiles.

Zellar sustainability reporting is being created to support supply chain, RFP and any future mandatory government requirements. Our profile badges are awarded for the actions that each business takes to make a positive impact on the environment, a visible way to prove and share your sustainable operations.- TBD as badges are being removed.

Build a better business by being sustainable

Zellar gives you everything you need to become sustainable all in one place, providing you with a personalised plan you can implement at your own pace.

  • Free carbon calculator

  • Benchmark your carbon footprint with similar businesses

  • Get a personalised plan to reduce emissions

  • Transition to a range of green suppliers

  • Reduce costs through green initiatives and technology

  • Offset your carbon footprint and plant your own trees

  • Showcase your sustainability progress on your profile

  • Get a transparent sustainable plan

Zellar case studies

Sustainability platform demo

Zellar CEO & Founder

“I wanted to create a business that made a difference today and to the world we leave behind for our children. Our planet is heating up and we want to help cool it down.”

– Gary Styles, Founder

Why become a sustainable business?

We understand that businesses face a lot of challenges in developing a sustainability strategy and reaching Net Zero, but it’s not always easy to know where to start. That’s why we created Zellar: to make sustainability simple, affordable and accessible by bringing together all the services small businesses need to measure, benchmark, manage, offset and promote their sustainability journey into one easy-to-use platform.

Whether you’re just getting started or looking for more ways to improve your sustainable business practices, we can show you how you’re operating, provide you with customised small business sustainability ideas, best practices and connect you to the communities, products and services you need, all in one place.

Become part of the UK's most connected sustainable community

Zellar makes is easy for anyone, anywhere to track the real time environmental impact of a business or community and invest in sustainability initiatives for business.

See the behaviours, actions, investments, emissions, offsets and good deeds of people committed to green, low carbon, eco-friendly, sustainable practices.

Find a business

Sustainable business opportunities in every sector

Every business has the opportunity to reduce emissions and at Zellar we understand every sector is different. To help small businesses make sustainable change tailored to their needs, we provide over 60 personalised sustainable business plans so businesses can focus on the changes that will make a difference. Go to each sector page to discover more: