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Think Carbon

Get started with Giki Zero to learn what you can do for the planet 

Try Giki Zero

Giki Zero for individuals

Your free step by step guide to improve your carbon footprint

Understand your carbon footprint and then find practical steps to improve it. Every step comes with tips and a handy to do list to keep track of everything you’re doing for the planet.

Giki Zero breaks down the steps to a more sustainable lifestyle and makes it feel a lot more tangible and achievable.
The benefit of Giki is seeing actions quantified. Every action and choice we make impacts our footprint, and Giki helps illustrate that.
It feels amazing to know there is always more you can do, especially when you have data to illustrate and support progress!
We had quite a lot of fun being able to divide up the family’s carbon footprint between us. It was really helpful to see immediate feedback on what impact various suggested actions would have on my footprint.

Giki Zero Pro

Build a company with sustainability at its core

Giki Zero Pro engages and educates your people on sustainability. Combining our, easy to use,  science based platform with a comprehensive engagement programme Giki Zero Pro brings people together to learn more about sustainability.

Learn about Giki Zero Pro

We work with everyone from blue chip global companies to  small businesses

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Natwest Group logo
Federated Hermes International logo
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Jump straight in

For companies

Access to all Pro features, comprehensive engagement programme & dedicated Impact Directors with sustainability expertise
Priced on enquiry
Book a demo
Popular features
  • Everything in Giki Zero included plus:
  • Dedicated Impact Director 
  • Launch planning, engagement planning to make your programme a success
  • Achievements, teams & leader boards
  • Chief Greenie training & monthly events
  • Sustainability KPIs and benchmarking
  • Impact services* including Think Carbon workshops and campaign management
  • SSO*

For individuals

We’ve made Giki Zero free and accessible for individuals who want to get a personal guide to help reduce their carbon footprint on an easy-to-use, beautiful app.
Sign Up
Popular features
  • Personal carbon-calculator 
  • Detailed footprint data
  • Giki score
  • 150+ carbon-cutting steps for every lifestyle 
  • Personalised climate clock
  • Tips and checklist for every step 
  • Multi-region, multi-language

For organisations under 50

Giki Zero Pro for small companies is a digital-first plug-in-and-go programme that empowers your green team to run their own sustainability engagement initiatives & go live straight away to #ThinkCarbon at home and at work
From £350 (+VAT)
Find out more
Popular features
  • Everything in Giki Zero included plus:
  • Digital-first launch and campaign assets
  • Plug-in-and-go campaigns & challenges
  • Achievements, teams & leader boards  
  • Chief Greenie monthly events 
  • Sustainability KPIs and benchmarking
  • Impact services* including workshops, campaign management & bespoke carbon calculations 
  • Many more…

Sustainability tips and insights to help you Think Carbon


Giki is an integral part of our sustainability journey.
Gavin Shinfield, Founder and CSO at Kyan Technology
You can use Giki Zero as your first step to reaching net zero, for a healthier, resilient zero carbon future for us all.
Nigel Topping, UK High Level Climate Action Champion
Giki Zero has inspired many of us to take steps towards living a more sustainable lifestyle. The tool is intuitive and a great fit for our company culture.
Helen Hughes, Sustainability Director, Design Bridge
Giki deepens our sustainability knowledge across Ninety One and we cut carbon emissions together.
Hendrik du Toit, CEO Ninety One
We need to walk the walk, and Giki Zero is a fantastic way to hold up the mirror to all our actions.
Saker Nusseibeh CEO Federated Hermes
Using Giki Zero Pro, we will help our colleagues learn more about sustainability, ESG and climate change and we will track and reduce our carbon footprints together.
Spectris plc
The team at Giki have delivered a perfectly simple website that helps you reduce your impact that is easy and fun to use.
Paul Dickinson, Executive Chair, CDP
Giki Zero is a great way to help people reduce their carbon footprint.
Toby Willison, Director of Environment and Corporate Affairs, Southern Water
We are proud to be working with Giki on to mobilise sustainable behavioural change.
Sammy Fry, Net Zero Programme Executive at Tech Nation