Tech Hiring Rankings

UK's Most Popular Sustainability Companies

The UK's most popular Sustainability companies of Summer 2026 that are actively hiring engineers.

#
Company
Open jobs
Headcount
Overall popularity
Calculated based on total number of applications received compared with all companies in Summer ’26.
1
London, UK · EnviroTech
Driving the global green energy revolution through transformational EnTech. Part of the Octopus Energy Group.
15 jobs
1001 - 5000
Top 1%
2
Aylesbury, UK · Consultancy
Global Leaders in Sustainability Solutions
3 jobs
1001 - 5000
Top 19%
3
London, UK · Energy and Utilities
Reimagining energy for people and our planet
8 jobs
5001+
Top 22%
4
London, UK · EnviroTech
The intelligent software platform powering the future of energy.
5 jobs
501 - 1000
Top 29%
5
London, UK · Sustainability
We run the global environmental disclosure system for business & subnational governments. Voted #1 for climate research.
8 jobs
1001 - 5000
Top 30%
6
Hertfordshire, UK · Energy and Utilities
Power for good
6 jobs
1001 - 5000
Top 32%
7
London, UK · Data
Sedex is a Data / Tech company that helps businesses to manage, assess, and report on sustainability performance and, ultimately, meet their supply chain goals.
2 jobs
501 - 1000
Top 41%
8
High Wycombe, UK · EnviroTech
We’re here to change the way people think about waste.
23 jobs
1001 - 5000
Top 49%
9
London, UK · Manufacturing
Redefining Packaging for a Changing World
16 jobs
5001+
Top 49%
10
High Wycombe, UK · Charity
Nature, beauty, history. For everyone, for ever.
31 jobs
5001+
Top 53%
11
Stroud, UK · Energy and Utilities
The Worlds first green electricity company
3 jobs
501 - 1000
Top 58%
12
Harrogate, UK · Consultancy
Environmental Risk Reduction
12 jobs
501 - 1000
Top 63%
13
London, UK · Energy and Utilities
Delivering responsible solar power for our world.
6 jobs
1001 - 5000
Top 65%
14
London, UK · Chemicals
Catalysing the net zero transition.
6 jobs
5001+
Top 68%

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