# Top 50 CleanTech Startup Investors in United Kingdom in June 2026 ## Parkwalk Advisors - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 8 - Stages: Seed, Series A, Series B - Focus: Biotechnology, Health Care, Software Parkwalk is a London-based fund management firm. Parkwalk invests in UK technology companies that have IP backing and freedom to operate, generally spun out of UK universities. Their funds seek to generate capital gains for their investors, enhanced by the attractive tax relief provided by EIS. Parkwalk entered this investment sector in 2009,anticipating a wave of tax-efficient incentives launched by the UK Government to stimulate innovative emerging technology companies and thereby help drive economic growth.Parkwalk utilises academic, technology transfer, venture capital and personal networks developed over many years to gain access to the highest calibre deal-flow. In 2017 Parkwalk joined forces with IP Group plc, a leading intellectual property commercialisation company that is listed on the Main Market of the London Stock Exchange under the ticker symbol IPO. As at March 2019 the combined group has net assets of £1.2bn. ## Par Equity - Type: VC Fund - Location: Edinburgh, Edinburgh, City of, United Kingdom - Relevant deals: 7 - Stages: Series A, Seed - Focus: Software, Information Technology, Health Care Founded in 2008, Par Equity is a venture capital firm that backs the most innovative, high growth technology companies in the North of the UK. Based in Edinburgh, Par invests across Northern England, Northern Ireland and Scotland. ## QVentures - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 4 - Stages: Seed, Angel - Focus: Software, E-Commerce, Artificial Intelligence QVentures sources, screens, and invests in top-tier start-ups from Seed to Series B. Our investors consist of Family Offices, Institutional Investors, UHNWIs, and Cashed-out Entrepreneurs. We look for disruptive companies with a proven product-market fit, set to scale from Seed to Series B. We focus on Enterprise SaaS, Marketplaces, Consumer Tech,FinTech, AdTech, EdTech, InsurTech and HealthTech and more. We look for quality management teams, large addressable markets, proven traction, sustainable business models, route to scale and quality investors.To apply for investment, please fill out this short form to be reviewed: https://qventures.typeform.com/to/zZPOWf ## Oxford Science Enterprises - Type: VC Fund - Location: Oxford, Oxfordshire, United Kingdom - Relevant deals: 4 - Stages: Seed, Series A, Series B - Focus: Health Care, Biotechnology, Software Oxford Science Enterprises is the university-partnered venture firm. We work with the University of Oxford to build companies that create fundamental technologies: science-based businesses capable of tackling the planet’s toughest problems. We invest in life science, AI and software, healthcare, and deep tech to create companies taking onchallenges like nuclear fusion, quantum computing and developing treatments and cures for infectious diseases. Founded in 2015, we’ve raised over £600M to create a world-class technology ecosystem, and combine our deep experience with a network of investors, entrepreneurs and sector-experts to find co-investment, build businesses, and hire senior management talent. ## IP Group - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 4 - Stages: Seed, Series A - Focus: Health Care, Biotechnology, Therapeutics IP Group's core business is the creation of value for its shareholders and partners through the commercialisation of intellectual property originating from research intensive institutions. Their strength lies in managing this process from finding suitable intellectual property to commercialise to either helping develop businesses and createvalue out of them, or identifying and establishing appropriate commercial partnerships to do so. IP Group's extensive expertise in this area combined with its inside knowledge of both industry and finance have enabled the group to create a formidable track record of consistently delivering excellent results for their companies, for their partners and for their shareholders. ## Paul Forster - Type: Angel - Location: Cambridge, Massachusetts, United States - Relevant deals: 4 - Stages: Seed, Series A, Pre-Seed - Focus: Software, FinTech, Financial Services Paul Forster is an early-stage investor in the tech sector. He previously worked at Indeed as a Senior Advisor. Paul attended INSEAD, where he earned an MBA. ## Biz Stone - Type: Angel - Location: San Francisco, California, United States - Relevant deals: 4 - Stages: Seed, Series A, Pre-Seed - Focus: Software, Apps, Mobile Biz Stone is the Co-founder and CEO of Jelly Industries, Inc. He previously worked at The Obvious Corporation as a Co-founder and Chief Creative Officer. Biz Stone attended Northeastern University. ## Kindred Capital - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 3 - Stages: Seed, Series A, Series B - Focus: Software, Biotechnology, Health Care A new model for Venture Capital where every founder we back becomes a co-owner of the fund ## Social Impact Capital - Type: VC Fund - Location: New York, New York, United States - Relevant deals: 3 - Stages: Seed, Pre-Seed - Focus: Biotechnology, Information Technology, Artificial Intelligence We are the earliest investors in mission-driven founders until their companies are attractive to top-tier VCs. ## HG Ventures - Type: VC Fund - Location: Indianapolis, Indiana, United States - Relevant deals: 3 - Stages: Seed, Series A, Series B - Focus: Manufacturing, Biotechnology, Renewable Energy Partnering with innovative, high-growth companies that support a sustainable future in materials, infrastructure, environmental solutions and industrial systems. ## TrueSight Ventures - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 3 - Stages: Seed, Pre-Seed, Series A - Focus: Software, Financial Services, Artificial Intelligence TrueSight Ventures is a venture capital firm investing in pre-seed and seed deals. ## Asymmetry Ventures - Type: VC Fund - Location: San Francisco, California, United States - Relevant deals: 3 - Stages: Seed, Series A, Pre-Seed - Focus: Software, Health Care, Biotechnology Asymmetry Ventures invests in scalable early-stage companies with exceptional defensibility. ## Cambridge Angels group - Type: VC Fund - Location: Cambridge, Cambridgeshire, United Kingdom - Relevant deals: 3 - Stages: Seed, Series A - Focus: Software, Health Care, Biotechnology The Cambridge Angels are a group of high-net worth investors who have proven experience as successful entrepreneurs in internet, software, technology and bio-technology. Members invest in and mentor high quality start-up and early-stage companies in these sectors in the Cambridge (UK) area and throughout the UK.Typical funding requirements thatthe Cambridge Angels meet are in the range of £50,000 to £500,000 - although it is worth noting that several of their portfolio companies have received more than £1m in funding from their Members over several funding rounds.Their Members have been responsible for a large number of the “Cambridge Phenomenon” success stories over recent years. Therefore, in addition to providing funding for early-stage companies, the Cambridge Angels also offer start-ups the considerable benefit of a wide range of expertise, contacts and directly relevant experience in establishing and growing entrepreneurial businesses successfully. ## EIT Food - Type: VC Fund - Location: Belgium, Wisconsin, United States - Relevant deals: 3 - Stages: Grant, Seed - Focus: Food and Beverage, Biotechnology, Food Processing EIT Food is a European Knowledge and Innovation Community (KIC), which was set up to transform our food ecosystem. By connecting consumers with businesses, start-ups, researchers and students from around Europe, EIT Food supports innovative and economically sustainable initiatives which improve our health, our access to quality food, and our environment ## SFC Capital - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 3 - Stages: Pre-Seed, Seed - Focus: Software, Artificial Intelligence, Information Technology Discover the UK's leading SEIS Fund, offering tax-efficient investments in innovative startups. Join thousands of savvy investors and raise capital for your business with SFC Capital. ## Uday Kumar Bangalore Shivaraman - Type: Angel - Location: Bengaluru, Karnataka, India - Relevant deals: 3 - Stages: Seed, Series B, Equity Crowdfunding - Focus: FinTech, Financial Services, E-Commerce Angel / Sophisticated Investor and Trader (Ex London Stock Exchange(LSE), Deutsche Bank, London Clearing House(LCH) ) , Invested in 60+ Startups / 4 successful exits (with Avg 20x) and counting more. (Web3 -> udaybs.ETH )Invested in following asset classes from past 2 decades across UK / India / US / Europe / -Private Equity (Seed / Growth / VC/ Acquisition / Merger) - Equity Markets - Real Estate - FX - Commodity - Bonds - Fintech, Blockchain, Crypto Market, Web3 , DeFi, NFT - Derivative Markets / Hedging / F&O / CFDGrowing Wealth in bumpy economic rides - There is no secret formula. Investment is an art. Being vigilant, dynamic, connecting dots, evaluating risk with constant change, loads of patience and visualising medium to long term.Private Equity Investments across globe in following domains / categories: - Energy - EV / Carbon Footprint - Blockchain / FinTech / AI / ML / Web3 / DeFi - D2C / B2C - Food & Beverages - Pharma - Media & Entertainment ## AgFunder - Type: VC Fund - Location: San Francisco, California, United States - Relevant deals: 3 - Stages: Seed, Series A, Pre-Seed - Focus: Agriculture, AgTech, Biotechnology AgFunder is a global venture capital firm backing deeptech platforms across AI, biotech, robotics, manufacturing, climate, and materials. ## Verve Ventures - Type: VC Fund - Location: Zug, Zug, Switzerland - Relevant deals: 3 - Stages: Series A, Seed, Series B - Focus: Health Care, Software, Biotechnology Verve Ventures has invested in more than 140 science and technology startups. We support visionary and resilient entrepreneurs from day one and are a reliable partner for the entire journey. We typically invest EUR 1-3m in early as well as later stage rounds of European high tech startups. ## True Ventures - Type: VC Fund - Location: Palo Alto, California, United States - Relevant deals: 3 - Stages: Seed, Series A, Series B - Focus: Software, Information Technology, Artificial Intelligence Founded in 2005, True Ventures is a Silicon Valley-based venture capital firm that invests in early-stage technology startups. With more than $3.8 billion under management, True provides seed and Series A financing to entrepreneurs in some of today's growing markets. With more than 40 team members including special advisors, operationsprofessionals, and founders-turned-investors, True represents one of the largest and most experienced teams dedicated to the ecosystem. The True team believes creativity flourishes when founders are supported fully and empowered to pursue brave ideas. To that end, the True Platform offers programs that inspire professional and personal growth. To date, True has helped more than 350 companies launch and scale their businesses, creating over 85,000 jobs worldwide. True was awarded Venture Firm of the Year by the National Venture Capital Association in 2018. To learn more, visit www.trueventures.com. ## Octopus Ventures - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 3 - Stages: Series A, Seed, Series B - Focus: Software, Health Care, Information Technology We provide venture capital investment for the people, ideas and industries that will change the world. Learn about what we do and the kind of founders we back. ## Transition - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 3 - Stages: Seed, Series A, Pre-Seed - Focus: Software, Sustainability, CleanTech Transition, a new climate tech venture capital firm that focuses on Seed and Series A startups recently launched. ## Astanor Ventures - Type: VC Fund - Location: Brussels, Brussels Hoofdstedelijk Gewest, Belgium - Relevant deals: 3 - Stages: Series A, Seed, Series B - Focus: Agriculture, Biotechnology, Food and Beverage Astanor Ventures is a venture capital firm focusing on entrepreneurs regenerating the food, blue ocean economy, and agriculture sector. The firm targeting technology-enabled companies across the agri-food value chain, leveraging disruptive technologies to bring about a future of food that is nourishing, regenerative, trusted, and ultra-fresh. Itrings together capital, deep sector knowledge, and a strong network of entrepreneurs, impact investors, technologists, scientists, farmers, chefs, policymakers, and food lovers to give rise to a future of food that is nourishing, regenerative, scalable, trusted, and delicious. ## Finance Yorkshire - Type: VC Fund - Location: Barnsley, Gloucestershire, United Kingdom - Relevant deals: 3 - Stages: Seed, Venture - Series Unknown - Focus: Information Technology, Software, Health Care Finance Yorkshire is an investments company that provides seedcorn, loan and equity linked investments. At the start of 2017, Finance Yorkshire received funds from the Sheffield and Leeds City Regions to invest until the Northern Powerhouse Investment Fund (NPIF) was operational. NPIF was launched in February 2017. Please click here for detailsFinance Yorkshire provides seedcorn, loan and equity linked investments, specifically to help small and medium sized businesses meet the gaps in the market for the funding they need for growth and development. Finance Yorkshire has been developed as a European JEREMIE* initiative and is capitalised by grants from UK Government, European Regional Development Fund and finance from the European Investment Bank. (*JEREMIE stands for Joint European Resources for Micro to medium Enterprises)Finance Yorkshire is supported by the Regional Growth Fund (RGF). The RGF has supported eligible projects and programmes raising private sector investment to create economic growth and lasting employment. It has invested £2.7 billion to help businesses in England to grow; and is expected to create or safeguard over 557,000 jobs by the mid 2020s. ## Green Angel Ventures - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 3 - Stages: Seed, Series A - Focus: Energy, Renewable Energy, Agriculture Green Angel Syndicate is the only UK angel investment syndicate specialising in the fight against Climate Change and Global Warming. ## Antler - Type: VC Fund - Location: Singapore, Central Region, Singapore - Relevant deals: 2 - Stages: Pre-Seed, Seed, Series A - Focus: Software, Information Technology, Artificial Intelligence Build your next company with Antler, a global day zero investor enabling exceptional founders to start great companies, from the very beginning. Apply now! ## Eos - Type: VC Fund - Location: Edinburgh, Edinburgh, City of, United Kingdom - Relevant deals: 2 - Stages: Seed, Series A - Focus: Biotechnology, Health Care, Medical Eos invests in, & commercialises, science & technology, from local seed-stage to global scale, with a focus on improving lives. ## Ascension - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed - Focus: Software, FinTech, Internet Pre-seed and seed investors backing 300+ ambitious founders from day one. ## Trousdale Ventures - Type: VC Fund - Location: Los Angeles, California, United States - Relevant deals: 2 - Stages: Series A, Seed - Focus: Artificial Intelligence, Information Technology, Software Trousdale Ventures is an innovative VC firm in search of companies that are designing the future of health, happiness, and productivity. ## Crowdcube - Type: VC Fund - Location: Exeter, Devon, United Kingdom - Relevant deals: 2 - Stages: Equity Crowdfunding, Convertible Note, Seed - Focus: Food and Beverage, FinTech, Financial Services Whether you're a beginner or an experienced investor, we make it simple to buy and sell shares in Europe's most exciting high-growth businesses. ## Horizons Ventures - Type: VC Fund - Location: Hong Kong, Hong Kong Island, Hong Kong - Relevant deals: 2 - Stages: Series A, Series B, Seed - Focus: Biotechnology, Software, Artificial Intelligence Investing in the deep science and technology that can propel humanity towards a radically better future. ## Carbon13 - Type: VC Fund - Location: Cambridge, Cambridgeshire, United Kingdom - Relevant deals: 2 - Stages: Pre-Seed, Seed - Focus: Sustainability, Environmental Consulting, Biotechnology Carbon13 is the venture builder for the climate-emergency ## Progress Tech Transfer Fund - Type: VC Fund - Location: Luxembourg, Luxembourg, Luxembourg - Relevant deals: 2 - Stages: Series A, Seed - Focus: Biotechnology, Water, Manufacturing Investment fund specialized in sustainable technologies from universities and public research organizations, start-ups, spin-offs, and entrepreneurs. ## ArcTern Ventures - Type: VC Fund - Location: Toronto, Ontario, Canada - Relevant deals: 2 - Stages: Series B, Series A - Focus: Energy, Software, Renewable Energy ArcTern Ventures is a venture capital fund that provides early-stage capital to cleantech companies.The privately-backed venture capital fund provides early-stage capital to companies developing breakthrough ideas in the cleantech sector. The Fund has developed a unique early-stage investment model through its partnership with MaRS, one of thelargest innovation centers in the world. ## South Pole - Type: VC Fund - Relevant deals: 2 - Stages: Pre-Seed - Focus: CleanTech, Renewable Energy, Environmental Consulting South Pole is an investment firm. ## Embryo Ventures - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed - Focus: Health Care, CleanTech, Pharmaceutical Embryo Ventures is a London-based venture firm that backs exceptional founders building transformational companies. ## Angel Investment Network - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Angel, Pre-Seed - Focus: Software, Information Technology, Health Care The UK Angel Investment Network connects business entrepreneurs with Angel Investors. Find an Investor for your business, or access a network of investment opportunities. ## ACE & Company - Type: VC Fund - Location: Geneva, Geneve, Switzerland - Relevant deals: 2 - Stages: Seed, Series A - Focus: Software, Financial Services, FinTech ACE offers three core investment strategies across the stages of private investment: Secondaries, Buyout, and Venture. Our portfolio construction guidelines ensure that our investors access the necessary customization to achieve their risk and return requirements.ACE aims to drive returns by managing risks and strategically adjusting investmentexposure to the stage of a company’s development. We strongly believe that diversification and sizing of investments according to the risk profile are the most effective approaches to investing private capital.ACE’s specialized investment teams provide the support to create long-term and sustainable investment results. ## Jenson Funding Partners - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Pre-Seed, Seed - Focus: Software, Marketplace, Information Technology Jenson Funding Partners LLP (Jenson) was founded in 2012 by Paul Jenkinson and Sarah Barber from Jenson Solutions Ltd., a network of finance directors who continue to provide support to the investee companies. Since 2012, they have launched five SEIS and four EIS funds. They are now in the 10th tranche and have invested £16 million in 100entrepreneurial UK businesses that have typically launched their product or service and are typically close to or past revenue. In addition, they have supported 20 follow-on funding rounds, all at a premium to the initial launch cost. They have recently become FCA-authorized and have split our SEIS and EIS funds into two separate funds, retaining the same ethos and strategy across both evergreen funds. ## BGF Ventures - Type: VC Fund - Location: Aberdeen, Aberdeen City, United Kingdom - Relevant deals: 2 - Stages: Series B, Series A - Focus: Health Care, Biotechnology, Software We explore the rise of venture capital, plus the pros and cons of early-stage startups raising equity investment from venture capitalists. ## The Conduit Connect - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Series A - Focus: Software, CleanTech, Biotechnology We source & connect the most promising high growth impact investing opportunities to mission-aligned investors. Read all about our The Conduit EIS Impact Fund. ## Saltwater Capital - Type: VC Fund - Location: Mill Valley, California, United States - Relevant deals: 2 - Stages: Seed, Series A, Series B - Focus: SaaS, Software, CleanTech Saltwater Capital provide experience-backed strategic and operational support. We partner for the long-term. We scale founders along with their business. It focuses on growth-oriented businesses and partnering with founders of companies. Ryan Graves founded Saltwater Capital in 2017. Its headquarters is in Mill Valley in California. ## Sam Branson - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Pre-Seed, Series A, Seed - Focus: Energy, CleanTech, Recycling Sam Branson Co-founder at HiddenLight Productions. ## Serge Chiaramonte - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed - Focus: FinTech, Financial Services, Information Technology Serge Chiaramonte ## Oxford Technology Management - Type: VC Fund - Location: Oxford, Oxfordshire, United Kingdom - Relevant deals: 2 - Stages: Seed, Series A - Focus: Biotechnology, Health Care, Software Oxford Technology's SEIS fund and EIS fund enable private investors to access high growth technology startup opportunities and support UK innovation. SEIS and EIS tax reliefs offer downside protection, whilst gains can be tax free. ## Lowercarbon Capital - Type: VC Fund - Location: New York, New York, United States - Relevant deals: 2 - Stages: Seed, Series A, Series B - Focus: Renewable Energy, Energy, Biotechnology Lowercarbon Capital backs kickass companies slashing CO2 emissions, sucking carbon out of the sky, and buying us time to unf**k the planet. ## NPIF – Mercia Equity Finance - Type: VC Fund - Location: Henley In Arden, Warwickshire, United Kingdom - Relevant deals: 2 - Stages: Seed, Series A - Focus: Software, Information Technology, Health Care Mercia Equity Finance is a regional investor that focuses initially on uncovering the hidden value. It uses both of its managed funds and its proprietary capital to invest across four distinct asset classes: venture, private equity, and debt, referred to as their 'Complete Capital Solution’. It aspires to be the first choice for investors,investees, and employees, and, by aspiring to be the first choice, they believe that Mercia will deliver superior returns for business owners, shareholders, and fund investors alike. ## Climate VC - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed - Focus: Environmental Consulting, Energy, Mining Climate VC helps to find, foster and fund innovative startups to have a global and gigatonne-scale impact on the climate. ## Enterprise Ventures - Type: VC Fund - Location: Preston, Lancashire, United Kingdom - Relevant deals: 2 - Stages: Seed, Post-IPO Equity - Focus: Biotechnology, Health Care, Medical Mercia Asset Management provides equity and debt to UK businesses with growth ambition. We are your investment partners from scale-up to exit. ## Sky Ocean Ventures - Type: VC Fund - Location: San Francisco, California, United States - Relevant deals: 2 - Stages: Seed, Grant - Focus: CleanTech, Sustainability, Packaging Services Sky Ocean Ventures is a bold new creation that will support breakthrough thinking and invest in promising new ideas that will help turn off the plastics tap.They ## Cur8 Capital - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed, Series A - Focus: Artificial Intelligence, Software, FinTech Invest in High-Growth Startups