# Top 50 CleanTech Startup Investors in United Kingdom in May 2026 ## Par Equity - Type: VC Fund - Location: Edinburgh, Edinburgh, City of, United Kingdom - Relevant deals: 7 - Stages: Seed, Series A - Focus: Software, Information Technology, Computer 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. ## Parkwalk Advisors - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 6 - 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. ## Biz Stone - Type: Angel - Location: San Francisco, California, United States - Relevant deals: 4 - Stages: Seed, Series A, Pre-Seed - Focus: Software, Messaging, Mobile Biz is a co-founder of Twitter, Medium, and Jelly. A progenitor of social media, and early Google employee, Biz has been developing large scale systems that serve the global conversation for twenty years. As an investor, Biz has backed Square, Pinterest, Slack when it was called Speck, Nest, Intercom and Beyond Meat (where he remains on the boardas Chair of the Nominating and Governance Committee), among others. In 2016, Stone's Jelly, a "human in the loop" AI search service, was acquired by Pinterest. After the sale, Twitter requested Biz return full time to lead the company's strategic vision, brand, and internal culture objectives alongside co-founder Jack Dorsey. Biz has been recognized as INC Magazine Entrepreneur of the Decade and one of TIME's 100 Most Influential People in the World. He is also an author, filmmaker and Fellow at both Oxford University and Berkeley. ## Paul Forster - Type: Angel - Relevant deals: 4 - Stages: Seed, Series A, Pre-Seed - Focus: Software, FinTech, Financial Services Paul Forster ## Oxford Science Enterprises - Type: VC Fund - Location: Oxford, Oxfordshire, United Kingdom - Relevant deals: 4 - Stages: Seed, Series A - Focus: Biotechnology, Health Care, Software Oxford Sciences Innovation is the world’s largest 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 companiestaking on challenges 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. ## QVentures - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 3 - 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 ## Social Impact Capital - Type: VC Fund - Location: New York, New York, United States - Relevant deals: 3 - Stages: Seed, Pre-Seed - Focus: Biotechnology, Information Technology, Nanotechnology Social Impact Capital specializes in investments that can deliver top decile returns in addition to a positive social impact. We focus on the "essentials of human need" — energy, water, food, health, environment, education, housing, access to capital, and social justice.We're a finance-first social impact venture capital firm,focusing on early-stage investment (Seed, Series A). We invest in high-growth companies where the driver of the business model is a social good.A top decile early-stage VC, we are a generalist firm with specialist due diligence capabilities: we leverage a broad network of advisors and venture partners with specific domain expertise.For more information about our firm, please contact hello@impcapital.com. ## TrueSight Ventures - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 3 - Stages: Seed, Pre-Seed, Series A - Focus: Software, Financial Services, FinTech TrueSight Ventures is a venture capital firm investing in pre-seed and seed deals. ## Sky Ocean Ventures - Type: VC Fund - Location: San Francisco, California, United States - Relevant deals: 3 - 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 ## 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. ## True Ventures - Type: VC Fund - Location: Palo Alto, California, United States - Relevant deals: 3 - Stages: Series A, Seed, Series B - Focus: Software, Information Technology, Internet A Silicon Valley-based venture capital firm focused on early stage technology startups. We invest in brilliant people who bring ideas that matter to life. ## NPIF – Mercia Equity Finance - Type: VC Fund - Location: Henley In Arden, Warwickshire, United Kingdom - Relevant deals: 3 - 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. ## 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 ## Climate VC - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed - Focus: Environmental Consulting, Manufacturing, Financial Services Climate VC helps to find, foster and fund innovative startups to have a global and gigatonne-scale impact on the climate. ## Kindred Capital - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Series A, Series B - Focus: Software, Biotechnology, Information Technology A new model for Venture Capital where every founder we back becomes a co-owner of the fund ## Torch Capital - Type: VC Fund - Location: New York, New York, United States - Relevant deals: 2 - Stages: Seed, Series A - Focus: Financial Services, Health Care, FinTech Torch Capital is a brand-focused investment firm built to shepherd the next generation of truly great mission driven consumer companies. ## ACE & Company - Type: VC Fund - Location: Geneva, Geneve, Switzerland - Relevant deals: 2 - Stages: Seed, Series A - Focus: Software, FinTech, Financial Services ACE & Company (“ACE”), founded in 2005, is a global investment group specialized in private investments with total assets of over $1.6 bn across three investment strategies and investment solutions. With headquarters in Geneva and offices in London, New York, and Cairo, ACE’s global presence brings the company in direct contact with sourcingpartners, investment firms, as well as entrepreneurs and provides investors unparalleled access to a network of opportunities. ACE’s passion is for finding investment opportunities where we have an advantage through many years of relationship building, a carefully developed position of knowledge in the sectors which we are active, and a culture of efficiency to gain first mover’s advantage. ACE’s purpose is to offer investors a long-term and collaborative investment approach that values honesty, transparency and rigorous execution, so that our strategies not only provide unique access to value accretive, risk-managed deals, but fosters what we consider our bedrock—trust.ACE’s progress has been marked by a globally respected track record since the Company was founded in 2005. In the last four years we have increased our total assets by fivefold and in 2017 received the Swiss Financial Supervisory Authority (FINMA) authorization. ## HG Ventures - Type: VC Fund - Location: Indianapolis, Indiana, United States - Relevant deals: 2 - Stages: Seed, Series A, Series B - Focus: Manufacturing, Biotechnology, Blockchain Partnering with innovative, high-growth companies that support a sustainable future in materials, infrastructure, environmental solutions and industrial systems. ## Verve Ventures - Type: VC Fund - Location: Zug, Zug, Switzerland - Relevant deals: 2 - 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. ## Octopus Ventures - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Series A, Seed, Series B - Focus: Software, Health Care, FinTech 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. ## Acequia Capital (AceCap) - Type: VC Fund - Location: Seattle, Washington, United States - Relevant deals: 2 - Stages: Seed, Series A, Pre-Seed - Focus: Software, Information Technology, Artificial Intelligence We are a leading early-stage investment platform. We are at the center of a global ecosystem that attracts and fuels the technical founders and product teams building the next wave of global businesses. ## Asymmetry Ventures - Type: VC Fund - Location: San Francisco, California, United States - Relevant deals: 2 - Stages: Seed, Pre-Seed, Series A - Focus: Software, Health Care, Biotechnology Asymmetry Ventures invests in scalable early-stage companies with exceptional defensibility. ## 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. ## ArcTern Ventures - Type: VC Fund - Location: Toronto, Ontario, Canada - Relevant deals: 2 - Stages: Series A, Series B - 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. ## Jenson Funding Partners - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Pre-Seed, Seed - Focus: Software, Artificial Intelligence, Marketplace Invest in Jenson EIS & SEIS Funds. Supporting Growth Capital. Diverse Portfolio of investment. Deployment in current tax year. ## Embryo Ventures - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed - Focus: CleanTech, SaaS, Retail Technology Embryo Ventures is a London-based venture firm that backs exceptional founders building transformational companies. ## Green Angel Ventures - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Series A - Focus: Renewable Energy, Energy, Construction Green Angel Syndicate is the only UK angel investment syndicate specialising in the fight against Climate Change and Global Warming. ## Crowdcube - Type: VC Fund - Location: Exeter, Devon, United Kingdom - Relevant deals: 2 - Stages: Equity Crowdfunding, Convertible Note, Seed - Focus: FinTech, Financial Services, Food and Beverage 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. ## Lowercarbon Capital - Type: VC Fund - Location: New York, New York, United States - Relevant deals: 2 - Stages: Seed, Series A - Focus: Biotechnology, Renewable Energy, Energy Lowercarbon Capital backs kickass companies slashing CO2 emissions, sucking carbon out of the sky, and buying us time to unf**k the planet. ## Sam Branson - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Series A - Focus: CleanTech, Laundry and Dry-cleaning Sam Branson Co-founder at HiddenLight Productions. ## Lupa Systems - Type: VC Fund - Location: New York, New York, United States - Relevant deals: 2 - Stages: Seed, Series A, Series B - Focus: Media and Entertainment, Big Data, Machine Learning Lupa Systems is a private investment company founded in 2019. ## Holly Branson - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Series A - Focus: CleanTech, Logistics, Transportation Holly Branson Chief Purpose and Vision Officer at Virgin. ## Ascension - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed - Focus: Software, Internet, FinTech Ascension is an early-stage VC built by exited entrepreneurs to back the next generation of tech and impact founders ## 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 is a holding company for owned and operated businesses as well as investments, founded by Ryan Graves. ## Serge Chiaramonte - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed, Series A - Focus: FinTech, Financial Services, E-Commerce Serge Chiaramonte ## Astanor Ventures - Type: VC Fund - Location: Brussels, Brussels Hoofdstedelijk Gewest, Belgium - Relevant deals: 2 - Stages: Series A, Seed, Series B - Focus: Agriculture, Food and Beverage, Biotechnology We help the ambitious build a food system that is nourishing, regenerative, scalable, trusted and produces delicious food for all. ## IP Group - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Series A, Series B - 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. ## BGF Ventures - Type: VC Fund - Location: Aberdeen, Aberdeen City, United Kingdom - Relevant deals: 2 - Stages: Seed, Series B - Focus: Health Care, Biotechnology, Medical In 2019, there was a record amount of venture capital investment in the UK. But what is venture capital and how could it help your business? ## EIT Food - Type: VC Fund - Location: Belgium, Wisconsin, United States - Relevant deals: 2 - Stages: Grant, Seed - Focus: Food and Beverage, Biotechnology, AgTech 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 ## AgFunder - Type: VC Fund - Location: San Francisco, California, United States - Relevant deals: 2 - Stages: Seed, Series A, Series B - Focus: Agriculture, AgTech, Biotechnology AgFunder invests in impactful companies that can positively transform the world's food system. Founded in 2013, AgFunder manages a portfolio of over 50 companies across four funds from offices in Silicon Valley and Singapore. Through its media platform AFN, it has built a global ecosystem of over 90,000 subscribers. ## SFC Capital - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Pre-Seed, Seed - Focus: Software, Information Technology, Artificial Intelligence SFC Capital, the UK's most active seed investor (PitchBook, 2020), provides capital and support to British startups. By combining its Angel Network and Seed Funds, SFC has created a unique model that allows investors to get exposure to SEIS- and EIS-qualifying businesses, either directly or through a diversified portfolio curated and managedby SFC’s expert team. In 2020, SFC received a £10m allocation from Business Investments as part of the Regional Angels Programme in support of SFC's mission to back promising early-stage companies from every corner of the UK.SFC Capital is an Appointed Representative of SFC Capital Partners Ltd which is authorised and regulated by the UK Financial Conduct Authority (FRN 736184). ## 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 ## Equinor - Type: VC Fund - Location: Stavanger, Rogaland, Norway - Relevant deals: 1 - Stages: Series A, Series C - Focus: Energy, Renewable Energy, Oil and Gas We are an international energy company headquartered in Norway, with 22,000 employees in around 30 countries worldwide. Find out more and get to know us better. ## Steve Pankhurst - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 1 - Stages: Seed, Pre-Seed, Angel - Focus: Software, Internet, Personal Health Steve Pankhurst ## Northstar Ventures - Type: VC Fund - Location: Newcastle Upon Tyne, Newcastle upon Tyne, United Kingdom - Relevant deals: 1 - Stages: Seed, Series A - Focus: Software, E-Commerce, Internet Northstar Ventures is a venture capital firm investing in innovative solutions to help solve the most pressing societal issues we have today.  Our ticket sizes range from £100k to £500k into early stage tech companies. We provide added value in leveraging our network of university partners, funders, non-executive directors and talent to supporteach investment. ## SSE - Type: VC Fund - Location: Perth, Western Australia, Australia - Relevant deals: 1 - Focus: CleanTech, Clean Energy, Sustainability SSE’s purpose is to responsibly provide the energy and related services needed now and in the future. It aims to be a leading provider of energy and related services in a low-carbon world. Its strategy is to create value for shareholders and society from developing, owning and operating energy and related infrastructure and services in asustainable way. These are the four pillars of the SSE strategy. Delivery of this strategy is dependent on the shared talent, skills and values of people throughout SSE. ## RWE - Type: VC Fund - Location: Essen, Nordrhein-Westfalen, Germany - Relevant deals: 1 - Stages: Series A, Series B - Focus: Renewable Energy, Clean Energy, Energy RWE has reliably supplied people and companies with electricity for more than 120 years – night and day. Many of us take electricity for granted. As well as the fact that it comes out of our sockets at any time. And we can, because power generators like RWE make sure that it does – with clean, secure and affordable electricity. ## Infinity Recycling - Type: VC Fund - Location: Rotterdam, Zuid-Holland, The Netherlands - Relevant deals: 1 - Focus: CleanTech, Waste Management Infinity Recycling develops markets for waste streams at the end of their useful lives by investing in cutting-edge recycling technologies. ## Iberdrola - Type: VC Fund - Location: Bilbao, Pais Vasco, Spain - Relevant deals: 1 - Stages: Series A, Seed, Series B - Focus: Solar, Manufacturing, Energy IBERDROLA, S.A., together with its subsidiaries, engages in the production, switching, and distribution of electricity and gas worldwide. It generates electricity primarily through nuclear, fossil-fuel, and hydroelectric power. The company also engages in retail of electricity under the tariff systems. In addition, IBERDROLA generateselectricity from renewable energy sources, as well as engages in the gas storage, and electricity and gas supply activities. Further, it provides telecommunications services, as well as engineering, consulting, and information technology services. Additionally, the company engages in real estate and other related activities. As of September 30, 2008, it distributed electricity to 10 million customers in Spain, 3.5 million customers in the United Kingdom, and 9 million customers in Latin America. ## Outsized Ventures - Type: VC Fund - Location: London, England, United Kingdom - Relevant deals: 1 - Stages: Seed, Series A, Pre-Seed - Focus: Biotechnology, Artificial Intelligence, Information Technology At Outsized Ventures we partner with founders pushing the boundaries of science and technology to solve the world’s greatest challenges. Some call it deep tech, others frontier tech, tough tech, hard tech or high tech - for us, it is simply the future. # About Shizune Shizune.co is an investor database. Core features: - 48,091 startup investors (angels, VCs, accelerators, and others) - Email, phone, LinkedIn (for intros), socials, and other contact data - Updated daily from public funding news - CSV and Excel export The User can access the full database FOR FREE after signing up: shizune.co