creates microbial treatments, specialising in biofungicides and biofertilisers.
Originally established in 2015 as FungiAlert, FA Bio was founded by Angela De Manzanos Guinot and Kerry O’Donnelly Weaver. It began with a mission to create tools that promote regenerative agriculture and transform disease management practices. The company’s SporSenZ technology, developed during the founders’ PhD research at Imperial College London, was designed to enable early detection of soil pathogens.
SporSenZ was used for soil microbial analysis and early identification of soil disease risks. However, in 2021, FA Bio shifted its focus, using its technology to discover unique microbes for biocontrol and biostimulant products, providing growers with advanced solutions to support sustainable farming.
The company has received a patent for its technology and six grants. It’s gone through eight funding rounds, raising a total of £7.63m. It hit two of our environmental signals, one for sustainable farming and food production and the other for environmental accolades. This second signal means that the company has received backing from organisations that support companies working towards sustainability.
has created Internet of Things software designed to enable construction project managers to keep track of the social and environmental impact of their projects.
Qualis Flow, often referred to as Qflow, was founded by Brittany Harris and Jade Cohen in 2018. The company originated as part of the Entrepreneur First accelerator program, which supports early-stage founders.
Qflow’s mission is to enhance sustainability in the construction industry by helping companies better manage materials and waste. The platform uses AI and machine learning to process data from receipts and documentation, providing real-time insights that help track and reduce carbon emissions on construction sites.
The company has featured on two high-growth lists: the BusinessCloud PropTech 50 and the BusinessCloud EnviroTech 50. It’s been through four funding rounds, raising a total of £9.98m, and hit our signal for environmental accolades.
sells light-weight solar panels for domestic and commercial use.
The company was founded by Jo May Parker-Swift in 2016. Jo is an entrepreneur who previously founded and sold two companies. Her background in science, with a focus on environmental pollution, and her work at AstraZeneca inspired her to launch Solivus to address pressing energy and sustainability challenges. The company focuses on innovative solar solutions, including lightweight, flexible solar panels for commercial buildings and homes.
Solivus has developed proprietary technologies such as the “Solivus Arc,” a portable solar structure for residential use, and has pioneered the use of thin-film solar technology on flat rooftops of large commercial structures.
The company has raised a total of £10.5m through ten funding rounds. It attended the Grow London Global accelerator in 2023, and it hit our environmental signal for clean and renewable energy.
has created a platform that aggregates and analyses data on the sustainability and impact of investments and companies. It was established with the mission of simplifying impact measurement for investors, aiming to mobilise the substantial capital required to achieve the Sustainable Development Goals.
Its founder, Sarah Dee Duncan, previously served as Head of Impact at LeapFrog Investments and was part of the Investment Banking Team at Goldman Sachs. Her experiences in the investment industry highlighted the need for reliable data on sustainable performance to support the achievement of global goals.
Since Net Purpose was founded it has been through three funding rounds, raising a total of £12.7m and hitting our signal for environmental accolades.
has developed 3D printed, personalised multi-vitamins produced from stacked vegan gummy layers.
Melissa Snover Brown founded Nourished in 2019. She is an entrepreneur and registered nutritionist with a strong focus on health and wellness. The concept for Nourished originated in 2018 during her travels. Having been a regular user of vitamins for over a decade, Melissa often carried a large collection of pills, tablets, and supplements on her business trips.
During one such trip, an incident at airport security—where her supplements spilled—prompted her to consider a more convenient solution for managing daily vitamin intake. This experience led to the development of Nourished, a personalised approach to vitamin supplementation.
The company has raised £14.8m through four funding rounds and featured on ten high-growth lists. It has also hit our signal for environmental accolades.
offers film-based learning material for schools on a subscription basis.
Catherine Cahn founded Twig World in 2008, in Glasgow. Catherine earned her law degree from the University of California, Berkeley and began her career at Latham & Watkins in San Francisco before relocating to London, where she transitioned from finance law to investment banking. Later, she entered the media industry as Head of Business Affairs at Cinnamon Entertainment.
The company has been through six funding rounds, raising a total of £21.8m. It also hit our high-growth signal for 20% scaleup. It’s included on our list for hitting our environmental accolades signal.
Twig World was acquired by Weld North Education in 2021 and was rebranded as Twig Education.
develops eDNA (environmental DNA) testing kits, which aim to allow the biodiversity of an aquatic habitat to be determined from trace amounts of DNA found in environmental samples.
Dr Kat Bruce founded Nature Metrics in 2014. Kat is part of the DNA Working Group steering team and the UK Business and Biodiversity Forum. After earning her PhD, she set up Nature Metrics to connect cutting-edge molecular research tools with environmental managers who can use them to monitor and protect ecosystems.
Passionate about bridging research, industry, and policy, Kat’s work focuses on improving how we measure and understand the natural world, particularly through best practices for using DNA tools in aquatic environments.
Nature Metrics is a spinout of the University of East Anglia and since its incorporation has raised £31.0m in equity. It featured on Sifted 100: UK and Ireland in 2024. It hit our environmental signal for green infrastructure and building, and for environmental accolades. It also hit our social and governance signal for having an age diversity in directors.
produces cell-based meat alternatives.
It was founded by Benjamina Aure Bollag and Ruth Faram in 2018. Benjamina grew up with a strong understanding of the importance of health, instilled by her parents who emphasised its central role in life. However, she later recognized that many people do not prioritise health, often due to financial constraints, lack of knowledge, or other barriers.
Acknowledging the challenges posed by the modern food system—such as antibiotic resistance, climate change, and food security—Benjamina discovered cultivated meat in 2017 and became deeply committed to its potential to improve public health. This led her to found Higher Steaks, later rebranded with co-founder Ruth’s involvement. Together, they refined their strategy and built the business into what it is today.
The company has raised a total of £38.4m over four funding rounds, and received a grant for £1.03m. It has appeared on two high-growth lists: The FoodTech 500 and HolonIQ Europe Climate Tech. Uncommon hit two of our environmental signals, one for sustainable farming and food production, and other for environmental accolades. It also hit one of our social and governance signals for having an age diversity in directors.
is an app that allows individuals and businesses to list food items (and other household items) for local people to purchase or pick up free-of-charge in order to reduce waste.
The app was founded by Tessa Clarke and Saasha Celestial-One in 2015. The idea came to Tessa when she was moving house and had a surplus of food leftover. She went door-to-door trying to share the food with neighbours, and thought ‘there must be a better way’. She shared the idea with Saasha, someone who also passionately believes in not being wasteful, and together they made OLIO.
Since then the company has been through five funding rounds, receiving £46.5m in total. The company has featured on six high-growth lists, most recently Sifted 100: UK and Ireland in 2024. It hit our signal for environmental accolades, as well as two signals for social and governance: social impact accolades and gender equality of directors.
aims to allow customers to invest in onshore renewable energy projects with the aim of reducing the cost of their electricity.
The company was founded by Sarah Merrick in 2017. Sarah has been involved in the wind energy industry since 2000, previously serving as Head of Public Affairs for Vestas and vice-chair of RenewableUK.
Recognising the need for individuals to access affordable clean energy, she founded Ripple to enable co-ownership of large-scale renewable energy projects like wind turbines and solar farms. Her goal was to empower people to lower their energy bills while contributing to a greener UK grid.
Sarah’s achievements include being named Business Green Entrepreneur of the Year 2021 and a finalist for the New Entrepreneur Award at the Lloyds British Business Awards 2022.
In total Ripple Energy has raised £48.3m over eight fundraising rounds, and featured on the BusinessCloud EnviroTech 50 high-growth list in 2024. It hit two of our environmental signals, one for clean and renewable energy and the other for environmental accolades.