Octopus Ventures is a London-based venture capital firm that backs technology-enabled startups across Europe, with a bias toward the UK. It invests across stages, from idea/concept through seed, Series A/B to growth, typically taking lead rounds and board seats. The firm targets sectors including health, fintech, deep tech, consumer, and B2B software, as well as climate and digital health, and provides hands-on support to help portfolio companies scale, not only capital. Annual activity amounts to several hundred million pounds, with equity investments ranging from relatively small rounds to tens of millions. It seeks to partner with founders for multi-year growth, and has backed notable companies such as ManyPets, Cazoo, Depop, Elvie, and WaveOptics. Operations span London and New York, aided by a network of partners in the US and Asia.

JamJar Investments is a London-based venture capital firm that backs European consumer-focused startups across seed to later stages. It invests across consumer services and products, technology and non-tech sectors, including food and drink, and focuses on high-growth consumer brands in both digital and non-tech areas. The firm typically makes initial investments in the range of £0.15 million to £1 million, with the option to follow on, and prefers teams of more than one founder, often taking a lead or co-investor role. Its approach draws on operational, commercial and brand experience developed through the founders’ work with innocent, including scaling it into a major brand and sale to Coca-Cola, which informs its support for entrepreneurs navigating growth challenges. JamJar seeks to back European businesses with potential to scale, offering practical guidance alongside capital.

IP Group is a London-based corporate firm that provides financial, strategic, and commercial expertise to clients internationally. Founded in 2001, the company focuses on creating value through the commercialisation of intellectual property derived from research-intensive institutions. It manages the end-to-end process of identifying viable IP, developing or partnering to build value, and establishing commercial arrangements that translate scientific advances into practical products and businesses. IP Group combines industry insight and financial experience to support science- and technology-based ventures, offering capital as well as strategic guidance to help companies grow and accelerate the impact of research. Its work spans clean technology, life sciences, and other deep technology sectors, with a track record of backing and developing ventures that aim to deliver tangible societal and economic outcomes.

Seedcamp is a European seed-stage venture capital firm based in London that identifies and invests early in founders tackling large global markets with technology. It supports a community of more than 400 startups, including publicly listed UiPath and Wise and unicorns such as Revolut, Hopin, Sorare, Pleo and wefox, as well as fast-growing companies like Grover, viz.ai and Ezra. The firm accelerates founders by providing smart capital, a lifelong community, and a global network built on more than a decade of backing exceptional talent.

SFC Capital is a United Kingdom-based venture capital firm founded in 2012 that makes early-stage investments in UK startups, including pre-seed and seed rounds. It backs companies across sectors such as software, technology, e-commerce, consumer, enterprise, green tech, medical technology, and hospitality, providing capital plus strategic guidance to support growth and product development. The firm operates a model that combines an angel network with seed funds to back SEIS- and EIS-qualifying businesses, aiming to offer exposure to a diversified portfolio while delivering hands-on support to portfolio companies.

Ascension is a venture capital investment firm based in London, United Kingdom. Founded in 2010, the firm focuses on investing in deep tech, fintech, e-commerce, sustainability, new work, next-generation media, and health sectors.

Citi Ventures is the corporate venture capital arm of Citigroup that leverages the bank’s resources to identify, incubate, and invest in innovative ideas at the intersection of finance and technology. Headquartered in San Francisco with offices in New York, London, Palo Alto, Tel Aviv, and Singapore, Citi Ventures collaborates with Citi colleagues, clients, and the broader innovation community to discover new value and accelerate the development of transformative technologies. The firm focuses on fintech, data analytics and machine learning, the future of commerce, security and enterprise IT, marketing, property technology, distributed ledger technology, and digital assets, pursuing strategic investments that complement Citi’s business lines and risk management capabilities. Since its founding, Citi Ventures has sought to build partnerships and portfolios that support entrepreneurship and technological progress, helping individuals, businesses, and communities adapt to rapid digital change while expanding Citi’s ecosystem and capabilities.

Entrepreneur First is a London-headquartered platform and early-stage technology investor that helps ambitious individuals form technology startups by connecting them with potential co-founders, helping develop ideas, and accelerating funding from leading investors. The organization operates across six cities on three continents, supporting high-potential founders to build globally important tech companies. Since inception it has supported hundreds of ventures and built a network of thousands of alumni, with a portfolio valued in the billions. It is backed by prominent tech founders and investors who provide mentorship and capital to accelerate growth.

Speedinvest is a venture capital firm based in Vienna, with offices in Berlin, Paris, London, Munich, and San Francisco, that focuses on early-stage technology investments across Europe, including Central and Eastern Europe. The firm backs seed to early growth rounds in areas including deep tech, fintech, health, industrial tech, marketplaces, consumer tech, software-as-a-service, and network effects, with a platform philosophy and hands-on support via an in-house Platform+ team that provides growth marketing, human resources, US business development, and networking assistance from day one. Typical investments range from a few hundred thousand euros up to about three million euros, with a preference for minority stakes up to around 20% and for taking co-entrepreneurial operational roles for six months to a year. Speedinvest was founded in 2011 and is known for combining capital with hands-on operational support to help portfolio companies scale.

Accel is a venture capital firm founded in 1983 by Arthur Patterson and Jim Swartz and headquartered in Palo Alto, California, with additional offices in San Francisco, London and Bangalore. It funds early- and growth-stage technology companies across software, cloud, SaaS, consumer, enterprise IT and related sectors, and it supports portfolio companies as they scale internationally. With a global network and more than three decades of experience, Accel seeks to help entrepreneurs build world-class, category-defining businesses. Notable investments include Atlassian, Facebook, Dropbox, Slack, Spotify, Etsy, Braintree, Cloudera and Qualtrics, among others. Accel operates multiple funds and programs to back companies at different stages, continuing a long track record of backing ambitious technology founders around the world.

Index Ventures is a venture capital firm with offices in London, San Francisco, and Geneva that backs technology-driven startups worldwide. Since 1996 it has partnered with entrepreneurs to turn bold ideas into global businesses, investing across early and growth stages in sectors such as artificial intelligence, software, data, fintech, healthcare, media, mobility, security, and open source. The firm focuses on high-technology and life sciences and supports portfolio companies to scale internationally. Notable portfolio companies include Adyen, Deliveroo, Dropbox, Farfetch, King, Slack, and Supercell.

Insight Partners is a global software investor that partners with growth-stage technology and software companies. Headquartered in New York City with offices in London, Tel Aviv, and Palo Alto, it concentrates on growth-stage software, internet, and data services, with notable focus areas including fintech, cybersecurity, AI/ML, DevOps, and healthcare. Founded in 1995, Insight Partners manages over $75 billion in regulatory assets under management and has invested in more than 750 companies worldwide, with over 55 portfolio companies achieving an IPO. The firm combines capital with hands-on, right-sized software expertise to support portfolio companies on their growth journey from first investment to IPO.

Balderton Capital is a London-based venture capital firm that invests in European technology companies across early-stage and growth stages. It targets sectors including software, fintech, health technology, consumer and retail, internet, mobility, security, and related tech-enabled businesses. The firm supports portfolio companies throughout their lifecycle—from seed to exit—by providing strategic guidance, introductions to professional services, and access to a network of globally connected executives. It operates a founder-focused program with workshops and community events designed to help portfolio companies scale, hire, and navigate markets.

Founded in 1986 and based in London, Downing is a diversified investment firm with a focus on infrastructure investments. It manages funds for investors and supports businesses across various sectors including renewable energy, healthcare, care homes, children's nurseries, and technology. As of 2021, Downing has raised and invested over £1.7 billion into businesses that make a difference.

SOSV is a global venture capital firm that supports early-stage startups through active, founder-first development programs. Its flagship initiatives HAX and IndieBio provide facilities, engineering resources, services, and laboratory equipment to accelerate product development and prepare companies for subsequent funding rounds. SOSV focuses on deep technology across health, environmental, and cross-border software sectors, aiming to solve human and planetary health challenges. In addition to providing capital, the firm emphasizes intensive programmatic support to help portfolio companies move quickly from seed toward growth, including customer acquisition and scale. The firm operates globally with a bias toward startups targeting rapid international expansion, especially in Asia, and tends to back a small cohort of high-potential companies to accelerate their progress and attract leading investors.

Founded in 1999, LocalGlobe is a UK-based venture capital firm focusing on seed investments. It supports ambitious founders across various sectors, with notable portfolio companies including Citymapper, Improbable, Lovefilm, Moo, Tweetdeck, TransferWise, and Zoopla.

AlbionVC is a London-based venture capital firm that partners with UK early-stage to growth-stage companies across B2B software, healthcare and life sciences. Founded in 1996, it acts as the technology investment arm of Albion Capital Group and focuses on seed to Series B investments. The firm backs companies in sectors including artificial intelligence, climate tech, deep-tech, digital risk, fintech, health-tech and medtech, SaaS and digital health, providing long-term capital and scale-up expertise to support growth.

Firestartr is a London-based venture capital firm, founded in 2012, that supports digital startups from seed stage through Series A and beyond. It provides more than capital, drawing on the founders' operating experience with leading technology companies to drive sustainable growth in its portfolio. With a broad network of advisors, Firestartr facilitates strategic introductions at the right time and offers hands-on support to help portfolio companies scale. The firm targets software and digital infrastructure sectors, including SaaS, cloud, digital media, fintech, and e-commerce, and it seeks to back ambitious entrepreneurs to accelerate product development, market entry, and business maturity.

Founded in London in 2011, Passion Capital is a venture capital firm dedicated to supporting early-stage technology companies. They focus on fostering an ecosystem of innovation and collaboration in Europe, believing that the passion and ability of founders are key assets for success. Notable investments include GoCardless, Monzo Bank, and Marshmallow.

Episode 1 Ventures is a London-based venture capital firm that backs early-stage technology companies in the United Kingdom. Founded in 2013, it concentrates on business-to-business software and related IT sectors, investing in seed and Series A rounds of up to two million pounds in software-driven startups with the potential to disrupt markets. The firm emphasizes founders with relevant experience, ambition, and a data-driven approach, seeking teams capable of hiring world-class talent and executing quickly. It takes an active, hands-on stance, supporting portfolio companies through early growth and subsequent financing rounds, often including close collaboration and shared workspace. Investments typically occur after product launch when reference clients exist, with initial revenues not required but expected to establish market traction. Episode 1 Ventures aims to turn promising ventures into scalable, valuable businesses by acting as a hands-on partner to management.

Force Over Mass Capital is a London-based venture capital firm founded in 2013 by Martijn de Wever. It targets early-stage technology investments in B2B sectors, including fintech, artificial intelligence, SaaS and Industry 4.0, with activity across the United Kingdom, Europe and the United States. The firm is FCA-regulated and supports growth through seed and scale-up investment programmes for startups.

Molten Ventures is a London-based venture capital firm established in 2006. They focus on investing in deeptech, consumer tech, healthtech, SaaS, and enterprise software sectors, supporting visionary entrepreneurs with innovative ideas.

Founded in Berlin in 2013, Global Founders Capital is a venture capital firm supporting entrepreneurs across various stages and global markets. It focuses on software and TMT sectors, investing based on potential impact and feasibility.

IQ Capital Partners is a Cambridge- and London-based venture capital firm that backs early-stage technology companies in the UK, with a focus on deep tech, AI and machine learning, IoT, cybersecurity, SaaS and PaaS, data analytics, life sciences and other technology driven sectors. It typically invests between £0.3 million and £5 million upfront, with follow-on capacity up to about £30 million per company, and supports rounds with equity, debt and convertible instruments. The firm generally does not lead rounds, instead co-investing with angel investors from networks such as the Great Eastern Investment Forum, and it often seeks to appoint a board member at portfolio companies. IQ Capital operates across the UK, including Cambridge, Oxford and Bristol, and targets both early local ventures and opportunities in less developed areas in the East of England. Founded in 2003, it maintains a presence in Cambridge and London.

MMC Ventures is a London-based venture capital firm that backs seed and early-stage technology companies, focusing on transformative software, AI and data science across sectors such as enterprise software, cloud and data infrastructure, fintech and data-driven health. Founded in 2000, the firm emphasizes a deep understanding of each company's technology and business model to act as a hands-on partner. It primarily invests in the United Kingdom, with a focus on Greater London, and tends to lead rounds or take a board seat while pursuing follow-on investments. Notable investments include Gousto, Interactive Investor, Copper, Signal AI and Synthesia. The firm seeks to support startups through initial rounds and extended growth funding, aiming to help founders scale through close collaboration and practical support.

Forward Partners is a London-based venture capital firm that backs early-stage technology startups, focusing on pre-seed and seed rounds in eCommerce, marketplaces, Web3, and applied AI. The firm provides venture funding and strategic support to help portfolio companies grow. Founded in the early 2010s, Forward Partners was acquired by Molten Ventures in 2023, with its activities integrated into Molten Ventures' platform.

Wayra UK is the corporate venture arm and accelerator of Wayra, the global open-innovation program of Telefónica. It runs accelerator programs for early-stage technology startups across industries including health care, information technology, cybersecurity, smart transport and smart city, and 5G, providing investment and acceleration support. The unit connects startups with Telefónica’s networks and partners to enable collaboration and scale opportunities, aiming to generate joint business opportunities between innovators and Telefónica. As part of a worldwide network spanning multiple countries, Wayra UK positions itself as a bridge between entrepreneurs and corporate-scale opportunity, facilitating access to capital, mentorship, and business development.

Notion Capital is a London-based venture capital firm that invests in early-stage technology companies, with a focus on B2B software-as-a-service, cloud computing, and enterprise technologies. Founded in 2009 and entrepreneur-led, it aims to help European tech companies fulfill their potential and scale by providing hands-on support and long-term relationships across Europe, North America and Asia-Pacific.

British Patient Capital Limited is a venture capital arm of British Business Bank PLC, established in 2018 and headquartered in Sheffield, with an additional office in London. The company specializes in seed, early venture, mid venture, and growth capital investments, focusing on a diverse range of sectors including information technology, healthcare, financial services, and energy. British Patient Capital primarily invests in UK-based ventures but is also open to global opportunities. The firm aims to finance innovative companies and promote long-term investment strategies that yield competitive returns. It also emphasizes the importance of attracting additional investors to the venture capital space through its commitment to delivering value and managing risk.

Battery Ventures is a technology-focused venture capital firm based in Boston, Massachusetts, founded in 1983. It invests in category-defining technology companies across sectors such as application software, infrastructure software, consumer internet and mobile services, industrial technologies, and life science tools. The firm supports growth across various stages and geographies, including the United States, Europe, and Israel, with emphasis on software, TMT, and related tech-enabled opportunities. As a registered investment adviser, Battery Ventures backs companies that build scalable platforms and transformative products, helping them compete in rapidly evolving markets.

Beringea is an international venture capital and private equity firm founded in 1988 and headquartered in Michigan, with offices in the United States and the United Kingdom. It invests in growth-stage companies across the United States and the United Kingdom, providing equity and debt capital and hands-on support to management teams. The firm has a portfolio spanning sectors such as media, health care and life sciences, Internet technologies, advanced manufacturing, clean tech and consumer goods, and leverages its experience to help companies develop strategy, evaluate growth opportunities, and scale operations.

Founded in London in 2002, Venrex is a venture capital firm focused on investing in technology-enabled businesses led by creative founders.

Winton Group is a British investment management firm founded by David Harding. It applies quantitative analysis and data science to manage global investments across futures, forwards, and equities, offering strategies including long/short, long-only, and absolute return through its research-driven approach. The group operates Winton Capital Management as its investment management arm and has a corporate venture unit, Winton Ventures, which invests in companies in information security, energy and environment, and data science-driven healthcare, leveraging in-house expertise to support portfolio companies. Headquartered in London, Winton Group maintains an international presence across major financial markets, reflecting its global client base and diversified investment activities.

New Enterprise Associates is a U.S.-based venture capital firm founded in 1977 and headquartered in Menlo Park, California. It invests in technology and healthcare companies across stages and geographies, supporting startups from seed to growth. The firm operates globally with investments in the United States, Asia, and Brazil among others, and has a long track record of portfolio IPOs and acquisitions. It has over $19 billion in cumulative committed capital.

Northzone is a London-headquartered venture capital firm with offices in New York, Oslo, Stockholm, and across the Nordics. Established in 1996, it pursues early- and multi-stage technology investments in healthcare, semiconductors, software, hardware, artificial intelligence, blockchain, and gaming. The firm leverages a global network to help portfolio companies scale, connecting them with customers, partners, and key talent. Northzone has backed influential founders and built relationships with category-defining businesses, having partnered with the founders of Spotify, Klarna, iZettle, Hopin, and others. The organization has raised over €1.5 billion in funds to support its investments.

Parkwalk Advisors is a London-based venture capital firm that focuses on investing in early-stage to growth-stage technology companies, with a particular emphasis on spin-outs derived from UK universities and research institutes. It targets UK-based, often unquoted companies across sectors such as artificial intelligence, big data, life sciences, materials, cleantech, future mobility, medical technology, quantum computing and related fields, and operates with a stage-agnostic approach from seed through later rounds. The firm leverages academic networks, technology transfer channels and venture networks to access deal flow and support portfolio companies. Founded in 2009, it has been aligned with IP Group as part of its corporate structure, reinforcing its focus on intellectual property-backed innovation. The company is headquartered in London, United Kingdom.

Founded in 2015, Kindred Capital is a London-based venture capital firm focusing on early-stage investments. It practices equitable venture by aligning ambitions and achievements with founders, making them co-owners of the fund.

Threshold Ventures, formerly Draper Fisher Jurvetson (DFJ), is a venture capital firm based in Palo Alto, California, that provides venture and growth capital to technology companies. It emphasizes a high-conviction investment approach and partners with entrepreneurs building software, consumer, enterprise, and healthcare technology ventures.

Tiger Global Management is an investment firm founded in 2001 by Charles (Chase) Coleman. It allocates capital across public and private markets worldwide, with a focus on technology-enabled growth opportunities. The firm pursues public equity strategies, including long/short and growth investments, and private equity across early- to late-stage companies in multiple industries, seeking high-quality growth opportunities and guiding portfolio companies through their lifecycle.

Connect Ventures is a London-based venture capital firm that invests across Europe in early-stage technology companies, following a thesis-led, product-focused approach. Known as the Product VC, it backs pre-seed and seed-stage startups that develop opinionated software products and other technology-enabled offerings. The firm targets European markets and seeks teams with a strong product vision and scalable go-to-market strategies, providing capital and strategic guidance to help young companies achieve product-market fit and sustainable growth in software, TMT and related digital sectors.

Firstminute Capital is a London-based venture capital firm that backs early-stage technology companies across Europe, the United States, and Israel. Founded in 2017 by Brent Hoberman and Spencer Crawley, the firm focuses on fintech, health tech, SaaS, climate tech, blockchain, and consumer marketplaces, providing capital and strategic support to help founders scale their businesses.

Founded in 1996, Albion Capital is a UK-based venture capital firm investing £2-5m for minority stakes in early-stage companies. They focus on digital B2B companies across sectors like enterprise software, technology services, digital health, cybersecurity, martech, and fintech, with a preference for companies benefiting from macro trends such as disruption and digital transformation.

Felix Capital is a London-based venture capital firm founded in 2014 that backs early-stage startups at the intersection of technology and creativity. It focuses on the digital lifestyle, authentic brands, platforms, and related enabling software, and makes investments in consumer businesses and new digital brands and technologies for the art and lifestyle sectors, including internet services, sales, media, mobile, and SaaS. The firm primarily targets opportunities in Europe and the United States, and typically makes checks around 2 to 5 million USD per round, with wider ranges that can extend up to 10 million USD.

DMG Ventures is the venture capital arm of Daily Mail and General Trust plc. Established in 2015, it focuses on investing in early-stage businesses within sectors such as e-commerce, prop-tech, publisher-tech, and media. The firm commits time, capital, and resources to support these start-ups, leveraging its extensive industry networks and media properties to help grow their brands and market presence.

Fuel Ventures is a London-based venture capital firm that backs early-stage technology companies, with a focus on marketplaces, platforms, software as a service (SaaS), and fintech initiatives. The firm adopts a hands-on approach, providing mentorship, operational experience, and access to a broad network to help entrepreneurs scale and achieve international growth. It supports companies across seed and growth stages, aiming to build repeatable business models and accelerate product development, go-to-market execution, and customer acquisition in online and mobile markets.

ACF Investors, established in 2011 and based in Sheffield, United Kingdom, operates as a venture capital entity that collaborates with experienced angel investors to support early-stage businesses. The firm focuses on co-investing alongside syndicates of angel investors, leveraging their sector-specific expertise to identify and fund high-potential companies. ACF Investors has built a strong portfolio, having invested over £40 million in partnership with more than £200 million from angel investors and other sources, resulting in a diverse collection of over 80 companies. The organization is dedicated to fostering the growth of small and medium-sized enterprises throughout the UK, often providing support through multiple funding rounds as these companies scale.

Amadeus Capital Partners is a London-based global technology investor and venture capital firm founded in 1997. It backs technology companies across stages, from seed to growth, across sectors including software, cybersecurity, healthcare IT, fintech, hardware and semiconductors, communications and networking, and clean energy. The firm also participates in secondary investments to provide founders with additional runway and partners with entrepreneurs to scale. To date it has backed over 130 companies and raised more than a billion dollars for investment, with a focus on Europe and selective opportunities in Israel.

Headline is a San Francisco-based venture capital firm founded in 1998 (formerly e.ventures). It maintains a global footprint with activity in seven cities and invests across geographies, leading rounds at every stage. The firm operates Early Stage Funds aligned with regional focus in the US, Europe, Asia, and Brazil to invest locally, and a Growth Fund based in San Francisco that participates from Series B onward. It backs companies across consumer, media, retail, financial services, healthcare, information technology, software-as-a-service, mobile, cybersecurity, e-commerce, artificial intelligence, advertising technology, and digital health. Notable portfolio companies include Sonos, The RealReal, Creditas, Sorare, Pismo, AppFolio, goPuff, Acorns, Farfetch, Segment, Bumble, and Yeahka. Headline is a registered investment adviser.

Frontline Ventures is a venture capital firm headquartered in Dublin, Ireland, that backs business-to-business software companies targeting the United States and Europe. Founded in 2012, the firm maintains a global footprint with teams in Dublin, London and San Francisco, and focuses on helping globally ambitious B2B startups expand across the Atlantic. It leverages a hands-on approach and a broad network of founders, executives and advisers from leading tech companies to support portfolio companies through critical growth moments and international expansion.

Spark Capital is a venture capital firm founded in 2005 and based in San Francisco with offices in Boston and New York. It invests in startups across the United States, spanning early-stage to growth opportunities, focusing on software, internet, media, consumer products and services, fintech, and information technology. The firm backs companies across sectors such as software-as-a-service, digital media, online platforms, and technology-driven consumer products, often supporting ventures at the intersection of entertainment and technology, e-commerce, and education technology. It typically makes investments from formative rounds up to larger growth rounds, and seeks to take a board seat in portfolio companies to help guide strategy and growth. Notable investments include Twitter, Discord, Anthropic, Cruise, Niantic, Oculus, Warby Parker, and Tumblr, illustrating a history of backing influential products and teams.