Put your business on Manchester’s sustainability map

We’ve partnered with 50 proud Manchester businesses with the mission to make Manchester the UK’s first sustainable city.

Together, we’re working to promote sustainability in the community and inspire every business to commit to a sustainability journey with Zellar.

Explore the first 50 on the map and sign up your business to join our mission.

Why Manchester?

Last year, small and medium-sized businesses in Manchester produced the highest combined gas and electricity emissions of anywhere in the UK.

With the city’s pledge to reach carbon zero by 2038 and rich history of driving change, we’re working with the business community to help Manchester get there even faster.


Sustainability made simple

Zellar offers everything you need to become sustainable in one place. In summer 2021, our platform will show you how sustainably you’re operating and create you a tailored plan covering 3 areas:
Take the first step by listing your business on the Zellar directory and demonstrating your commitment to helping Manchester become the UK’s first sustainable city.

Zellar ambassadors

With climate action a top priority in Manchester, Zellar has attracted attention from high profile individuals across the city who are supporting the cause and working with us to drive change.

Sacha Lord

Night Time Economy Adviser for Greater Manchester​

Chris Brindley MBE

Chairman of Rugby League World Cup 2021

Lisa Morton​

Founder and CEO Roland Dransfield​

Gary Neville​

Founder Relentless Group​

Sacha Lord

Night Time
Economy Adviser for
Greater Manchester​

Lisa Morton​

Founder and CEO
Roland Dransfield​

Chris Brindley MBE

Chairman of
Rugby League
World Cup 2021

Gary Neville​

Relentless Group​

Why Zellar?

Fastest and most
cost-effective route
to sustainability
Fastest and most
route to
Not only reduce
impact on the
environment but
reduce costs​​
Drive change in
the local business
Drive change in
the local business
Improve your
brand image and
public profile
Improve your
brand image and
public profile
Attract customers,
employees and
Help you meet future
tax and reporting


Twitter @zellaruk


- 5 days ago

@ForestCarbon_UK: Applications are now open for the @DefraGovUK 'Nature for Climate: Peatland Grant Scheme'. *Land managers can apply for 75% of their total project costs (85% in exceptional circumstances)* For anyone looking to secure the remainder through the Peatland Code, pls get in touch! https://t.co/9o9siDGwWD
h J R

- 6 days ago

It’s our birthday! Zellar has been 2 years in the making, and we’re excited to be launching this year to help businesses on their journey to become more sustainable. 💚 #companybirthday #twoyearanniversary #sustainabletogether #netzero #smallbusiness https://t.co/iqhwgQMDpg
h J R

- 10 days ago

We’ve teamed up with @DowntownBusines to present the special ‘Zellar Sustainability Award’! One of our first 50 Manchester businesses will be chosen for their determination and commitment to becoming a sustainable business. 💚 🌍 https://t.co/bbJClNmrP3 #comba21 #manchester #sme https://t.co/K8OiNev9qg
h J R

- 11 days ago

@DowntownBusines: #COMBA21 We will be presenting the special ‘Zellar Sustainability Award’ to one of the first 50 Manchester businesses who have started their sustainability journey with @zellaruk and who have demonstrated early commitment in driving down their emissions. https://t.co/AWF2lzFHra https://t.co/fYYbFJdzje
h J R

- 11 days ago

@SamBooth1 💚 #zellarfirst50
h J R

Let's talk

Want to find out more about sustainability and how we can help your business? Email us and one of the Zellar team will be in touch.

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Zellar LTD is registered in England & Wales | Company number: 10193629

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2x Full stack developers (Remote working)

We all need to protect the planet

The UK has a target to get to net zero by 2050. We think that 30 years is too long to wait. That’s why we created Zellar. 

We’re a team of like-minded individuals on a mission to build disruptive technology to connect the data and insights that will help businesses on their sustainability journey to be net zero. And we need you.

Purpose of the role

We’re looking for two C# ASP.NET Core / React Full Stack Developers to join our growing development team,
and transform beautiful designs into a functioning web presence by designing and developing ASP.NET Core WebApi’s to enable functionality.

Responsibilities will include:

Implementing visual elements and their behaviours with user interactions. You will also be able to design, develop and test webapi to integrate with your ReactJS SPA.  

Bridging the gap between the visual elements and the server-side infrastructure, taking an active role on both sides, and defining how the application looks and function.

Key responsibilities

  • Help build reusable components and libraries for future use.
  • Create ASP.NET Core WebApis
  • Ensure the technical feasibility of UI/UX designs.
  • Assure that all user input is validated before submitting to back-end services.
  • Collaborate with other team members.

Essential requirements

  • Be a great friendly team player, experienced in working within an agile team.
  • Thrives on a fast-paced environment.
  • Can-do attitude.
  • Excellent understanding of JavaScript libraries, ReactJS.
  • Strong understanding of C#/JavaScript/Typescript and consuming Web API’s.
  • Familiarity with the ASP.NET Core framework, Sql Server/NoSql and modern design/architectural patterns.
  • Familiarity with Cloud computing.
  • Exposure to CI/CD.
  • Advocate of writing unit tests.
  • Commercial experience of Cloud computing / architecture E.g. AWS/Azure, etc.
  • Exposure to container experience. E.g. Docker.
  • Experience of developing RESTful API’s.
  • Experience of integrating with third-party APIs (including payment provider APIs).
  • Good understanding of HTML5 and CSS3.
  • Good understanding of asynchronous request handling, partial page updates.
  • Good understanding and experience of implementing client-side validation.
  • Proficient understanding of cross-browser compatibility issues with a strong understanding / experience of techniques to overcoming such issues.
  • Familiarity with front-end build tools, such as Webpack.
  • Good understanding of browser rendering behaviour and performance.
  • An understanding of Agile methodologies.
  • Good knowledge of coding and design principles.
  • A good understanding of best practices.
This is a fantastic opportunity for a passionate Full stack Developer professional looking to take on some significant challenges and help accelerate our business and transform an industry. 

If you’re passionate about software development and are looking for an opportunity to work with seasoned leaders in an ambitious, market-defining organisation, then this opportunity is for you. You’ll experience radical levels of ownership and empowerment within your role – plus the opportunity to see the direct impact of your work on our customers.


Zellar is headquartered in London, however the team are currently 100% remote working.

How to apply

To apply for the role, please send your CV to keisha@zellar.com. Keisha can also advise on more details about the role, including salary banding.

Thank you for your interest in Zellar.