Octopus First Cheque Fund
Octopus Ventures is a large and active venture capital investor in Europe, focusing on investing in people, ideas, and industries that are changing the world for the better. Their mission is to invest in areas where they can make the biggest impact: building a more sustainable planet, empowering people, and revitalizing healthcare. They aim to back entrepreneurs who are reimagining how whole industries behave, specifically those eliminating carbon footprints, creating cancer vaccines, building the next phase of the internet, and charting a greener approach to space travel. They aim to invest £10 billion in industries bringing about positive change by 2030. The firm seeks founders with purpose, building revolutionary solutions to change the world, with clear visions and focused on solving society’s biggest problems. They prioritize businesses that put people, community, and the environment first, investing as early as an idea on a page and supporting every growth stage with funding and hands-on support. Octopus Ventures also runs a mentorship program, matching founders and senior leaders with seasoned professionals from their network for knowledge and experience sharing. Octopus Ventures emphasizes diversity and inclusion, striving to welcome people from the widest range of backgrounds and experience into their team and portfolio companies. They acknowledge their leadership in investing in female leaders but recognize the need to do more to support everyone, regardless of culture, race, gender, orientation, or economic status. The firm invests across seven core areas to build long-lasting relationships with founders.
Onstage
Onstage operates an events ecosystem aimed at simplifying the fundraising journey for startups and VCs. Their primary event, Demo Day, occurs bi-annually and is designed to connect pre-seed to Series A startups with over 300 leading VC funds. The process involves a streamlined application, VC introductions, the announcement of the Onstage Top 100, and a live Demo Day in London where the top 1% of applicants pitch. All applicants get exposure to VCs. Onstage also hosts "Deploy," an in-person summit for emerging and established venture fund managers to pitch their funds to a curated group of LPs. Onstage emphasizes efficiency, meritocracy, transparency, and collaboration in the startup ecosystem, aiming to provide an equal playing field for founders and funders and perfect information to all stakeholders.
OpenseedVC
Openseed VC invests in exceptional operators who are starting their own companies, providing up to $150k in seed funding and leveraging a global operator network for support from zero to one. Focuses on reinventing enterprise-scale rails for modern businesses, health innovations, and work productivity.
Oxford Capital
Oxford Capital is a venture capital firm based in Oxford, UK, that invests in early-stage and growth-stage companies across the UK. They focus on backing founders of innovative companies with disruptive potential, investing from pre-seed to growth and beyond. With over 25 years of experience, they have invested over £500m into over 100 companies. The firm provides individuals, families, and institutions the ability to participate in these investment opportunities. Oxford Capital aims to bridge the gap between entrepreneurs and private capital investors. The firm's strategy involves supporting companies from their earliest stages to later growth, enabling entrepreneurial successes. They are particularly interested in companies leveraging technology and science to solve complex problems. The firm's investment approach emphasizes backing companies that are creating new markets or disrupting existing ones. Oxford Capital looks for founders with a clear vision, strong execution capabilities, and the potential to build large, scalable businesses. They also focus on providing value beyond capital, offering support in areas such as strategy, operations, and fundraising. Oxford Capital actively monitors the venture capital landscape, providing commentary on industry trends and investment policy through its news and views section. They support the Enterprise Investment Scheme (EIS) as a means to encourage investment in early-stage companies. The firm has a strong emphasis on governance and sustainability in both mature and high-growth companies.
Oxford Technology
Oxford Technology specializes in investing in startup and early-stage technology companies based in and around Oxford, UK. Their investment strategy centers around leveraging SEIS and EIS tax reliefs to provide seed and follow-on funding to innovative tech ventures. They manage two funds: a flagship three-year combined SEIS and EIS fund and a Knowledge-Intensive EIS fund, each with slightly different risk/return profiles. The SEIS fund targets earlier-stage companies, investing a portion of the capital upfront and following on with high performers in subsequent years. The Knowledge-Intensive EIS fund focuses on companies already in their portfolio, offering a potentially lower risk/return profile. The firm typically invests up to £150k of seed funding into SEIS-eligible companies and up to £300k of EIS follow-on funding. They emphasize the importance of follow-on investments for achieving the best returns and exit multiples. Oxford Technology also runs WOTAN (Wider Oxford Technology Angel Network) to provide further investment opportunities. The firm prioritizes investments in companies with novel science or technology that can disrupt existing sectors or create new ones. They seek companies that are SEIS-eligible, especially those located in or around Oxford. Oxford Technology's investment approach includes tax relief benefits for investors under SEIS and EIS schemes. They provide investors with opportunities to participate in monthly presentations of follow-on EIS-eligible pitches. They also actively assist portfolio companies in their early years, especially those located near Oxford. Their investment philosophy is oriented towards providing both capital growth and tax reliefs.
Oxford Technology Management
Oxford Technology Management specializes in investing in startup and early-stage technology companies based in and around Oxford since 1983. The firm leverages the UK's SEIS (Seed Enterprise Investment Scheme) and EIS (Enterprise Investment Scheme) tax reliefs to provide investors with tax-efficient access to innovative technology startups. Their investment strategy focuses on providing seed funding to SEIS-eligible companies and follow-on EIS funding to high-performing ventures within their portfolio. The firm believes that the ability to make follow-on investments is crucial for achieving the best returns and highest exit multiples. Oxford Technology manages two funds: a flagship three-year combined SEIS and EIS fund, and an approved Knowledge-Intensive EIS fund. The SEIS and EIS Start-Up Fund invests in approximately eight tech startups over three tax years, allocating a third of the subscription to SEIS companies in the first year and providing follow-on EIS funding in subsequent years. The Knowledge-Intensive EIS Fund invests in five select EIS companies already within the Oxford Technology portfolio, offering a slightly lower risk/return profile due to the companies' progression and higher valuations. The firm emphasizes the benefits of capital growth and tax reliefs associated with SEIS and EIS investments, including income tax reduction, capital gains relief, and tax-free capital gains after three years. Oxford Technology aims to provide investors with opportunities for significant capital growth while mitigating risk through tax advantages and downside protection offered by the schemes. Oxford Technology also operates WOTAN – Wider Oxford Technology Angel Network, connecting investors with early-stage technology opportunities. They host monthly investor presentations featuring follow-on EIS-eligible pitches, further facilitating investment in promising startups.
Portage
Portage is a global investment platform focused on fintech and financial services. Their mission is to empower entrepreneurs reshaping financial services by providing flexible capital and a global network of investors, commercial partners, advisors, and value creation experts. They have deep industry knowledge and entrepreneurial experience, and are committed to supporting leaders in the fintech and financial services space. Portage leverages a thesis-driven investment approach, enabling differentiated insights, understanding of market dynamics and opportunities, and deep research and expertise. They aim to be long-term partners, with various pools of capital that allow them to partner with companies across all stages, from seed to later-stage. Their Value Creation team of vertical domain experts accelerates the growth of their portfolio companies through access to expertise in go-to-market, technology and cybersecurity, commercial partnerships, and business acceleration & M&A. Portage was founded in 2016 by Adam Felesky and Paul Desmarais III to help fintech and financial services entrepreneurs navigate the challenges of scaling from local startups to global companies. They started with early-stage fintech venture capital and have since expanded to late-stage fintech and financial services through Portage Capital Solutions in 2022. They have over 115 portfolio companies in 13 countries and have facilitated 142+ partnerships for their portfolio companies. Additionally, they have 1,000+ relationships with financial institutions and investors worldwide, with over 40 institutional, corporate, and family office investors, along with 20+ advisors with deep entrepreneurial and financial services experience.
RLC Ventures
Concept Ventures focuses on providing tailored support to founders based on their experience level, rather than adhering to strict sector or vertical focuses. They emphasize the importance of the founder-VC relationship and aim to be the right fit for the founders they back. They invest in first rounds, with an emphasis on being early stage investors. The firm's team has operational know-how to guide companies to Series A and beyond.
RockawayX
RockawayX operates in the digital asset space, focusing on running blockchains and providing liquidity to fuel protocols. Their investment strategy revolves around backing early-stage projects and actively building alongside them. They are particularly convicted in the Solana ecosystem, having been seed backers and continuing to expand their portfolio within it. Their approach combines venture and yield strategies, with engineers actively contributing on-chain code. They aim to provide capital injections at crucial moments, partnering with projects to design unique products and launch liquidity programs. They also support network launches by running validators and developing protocol-ready hardware, offering bare metal solutions to accelerate network launches and improve operational efficiency. The firm aims to deliver diversified, market-neutral yield by allocating capital across institutional-grade real-world asset strategies on Solana.
SFC Capital Partners
SFC Capital Partners focuses on investing in early-stage, innovative startups in the UK. The firm leverages partnerships with universities, spin-out organizations, accelerators, incubators, angel investors, Innovate UK, and the British Business Bank to identify promising ventures. Their core strategy revolves around providing SEIS (Seed Enterprise Investment Scheme) and EIS (Enterprise Investment Scheme) funding, which offers significant tax relief benefits to investors while supporting high-potential startups. They operate multiple funds, including the SEIS Angel Fund, which invests in a diverse portfolio of 15-20 companies per fund, and the All-Star EIS Fund, which reinvests in 10-15 of their best-performing portfolio companies. They also facilitate direct angel investing through the SFC Angel House. SFC's approach is centered around identifying companies with strong growth potential and providing not only financial backing but also valuable support and mentorship. This includes access to their network of experienced angel investors and industry experts. The firm emphasizes building a supportive community around its portfolio companies, fostering collaboration and knowledge sharing. SFC highlights its ability to spot potential early and provide follow-on funding to help startups scale. The investment process is streamlined and designed to be hassle-free for both startups and investors. The firm's strategy appears to cater to both investors seeking tax-efficient investment opportunities and startups looking for early-stage capital and guidance. They aim to create a win-win scenario by aligning the interests of investors and entrepreneurs. Their focus on the UK market and strong network within the innovation ecosystem positions them as a key player in the early-stage funding landscape. Overall, SFC Capital Partners offers tax-efficient investment opportunities in high-potential, early-stage UK startups, leveraging its deep network and expertise to identify promising ventures and provide comprehensive support. They utilize SEIS and EIS schemes to attract investors, fostering a strong investor community and providing access to diversified portfolios of innovative companies.
Seedcamp
Seedcamp partners with Europe’s most exceptional tech founders from Day One. They aim to identify and nurture the continent’s most promising entrepreneurs with the grit and vision to reshape the future. Seedcamp provides founders and their teams access to an unparalleled network, unfiltered advice, and unwavering support throughout their company-building journeys. With almost two decades at the heart of Europe’s tech ecosystem, Seedcamp has established a strong reputation for early-stage investment. They look for founders who are building the future, taking a chance on teams even when others might deem their ideas crazy. Seedcamp emphasizes long-term partnership, providing ongoing support from their internal team and global network.
Seraphim Accelerator
Seraphim VC is a global leader in SpaceTech investment, focusing on companies solving the world’s greatest problems. They invest in the brightest minds and smartest ideas to provide trailblazing, high-value solutions that disrupt, transform, and improve life. Their mission is to accelerate humanity’s next giant leap by transforming science fiction into science fact. They support space entrepreneurship from inception to exit, providing capital, expertise, and global partners. Seraphim backs pioneering space and deeptech ventures at the forefront of global security, sustainability, and resilience. Their portfolio companies redefine how critical infrastructure is protected, defense capabilities are strengthened, and pressing global challenges are tackled, including real-time Earth observation, secure communications, and climate intelligence. They aim to harness the power of space to build the next generation of game-changing companies. Their interconnected model is designed to identify, support, and grow early-stage SpaceTech companies across the full lifecycle, from inception to exit. They are backed by leading space corporations and international space agencies across their activities, including investors in their funds like Airbus, SES, Teledyne, and Telespazio, SSTL MDA. They also have accelerator partnerships with the UK and European Space Agency. Their approach generates co-investment opportunities for their LPs at Series B and beyond. Seraphim identifies as “mission control” for Spacetech founders.
Social Tech Trust
Social Tech Trust is an impact investor that focuses on backing early-stage ventures utilizing technology to address social and environmental challenges. They aim to improve lives, strengthen communities, and protect the planet by investing in startups and impact funds that are creating more equitable outcomes. The Trust prioritizes ventures that are underserved by traditional investment models and are seeking flexible, aligned capital. The Social Tech Ventures fund, seeded by Social Tech Trust, is designed to back promising UK impact tech startups, offering founder-first investments tailored to the needs of ventures pursuing scalable social and environmental change. This includes flexible equity structures, such as revenue-based growth or hybrid models, demonstrating a commitment to achieving measurable and scalable impact.
SpecialistVC
Specialist VC invests in early-stage tech companies that are solving meaningful problems with scalable solutions. Focus on B2B, SaaS, fintech, platforms, software-enabled hardware, and deep tech. Emphasis on founders with grit, customer obsession, and long-term vision. Provides hands-on support, mentorship, and access to a network of founders and experts from top tech companies in the region.
Tribal VC
Tribal.vc is an evergreen investment partnership based in Dublin that focuses on providing deep partnerships and long-term support to entrepreneurs, primarily in the software sector. They aim to be a trusted investment partner, providing big support despite being a small team. Their evergreen structure allows them to be patient, flexible, and fully aligned with entrepreneurs, adapting to the journey and timeline that best suits the company's needs. They invest early and with conviction, typically at the seed or early traction stage.
Unruly Capital
Unruly Capital positions itself as a venture capital fund that operates differently, offering transparency through its public web dashboard. The firm seems to have a broad investment mandate, participating in diverse sectors such as Health, BioHealth, and Climate. They are actively deploying capital, having invested $19.6M out of a $23.9M fund across 73 investments. Their investment activity is relatively recent, indicated by the listed transactions up to January 2026. The firm publishes a manifesto that indicates a contrarian and independent spirit. Given the range of co-investors, Unruly Capital is likely willing to participate in syndicated deals with established firms. The data presented indicates an investment approach that is active and responsive to emerging opportunities. The dashboard publicly shares fund statistics, recent transactions, and visual representations of investment categories, investments per quarter, top investment locations, co-investors, and current portfolio companies. This transparency is core to their "doing things differently" approach. Given the sector information available (Climate, BioHealth, Health) and portfolio companies (Beyond Aero, Deep Science Ventures, Renaissance Fusion), it seems the fund has some inclination toward deep tech and impactful ventures. The fund's co-investors are impressive, showing that Unruly Capital is able to attract high-caliber capital allocators. Further research would be needed to flesh out all aspects of the fund's investment strategy.
o2h Ventures
o2h Ventures focuses on seeding early-stage biotech therapeutics and related AI opportunities, particularly in the UK. The firm operates two funds: the Human Health EIS Knowledge Intensive Fund and the Human Health SEIS Fund. The EIS fund invests in companies qualifying under EIS and covering novel drug discovery along with enabling services, tools, and AI technologies. The SEIS fund targets seed-stage companies with a similar focus. o2h Ventures differentiates itself through grassroots working relationships, providing early access to deals. They aim to build a diversified portfolio of 5-10 companies and seek exits typically within 3-7 years, strategically managing exits to optimize S/EIS tax reliefs. They evaluate companies based on scientific tractability, IP position, path to the clinic, and the team's ability to navigate challenges, also attempting to gauge interest from potential acquirers early in the evaluation process. The firm actively nurtures and invests in emerging life science and tech companies, leveraging a strong pipeline of early-stage opportunities developed over 20 years of involvement in grassroots science in the UK. They operate from The Mill SciTech Park, a 2.7-acre site developed as an incubation hub for small life science companies. o2h Ventures' business model combines access to opportunities similar to China's Wuxi Ventures with an incubation approach akin to USA's Atlas Ventures, aiming to improve the prospects of successful exits. o2h Ventures emphasizes early involvement with founders, providing not only capital but also co-working lab and office space, hands-on scientific input, and ongoing board-level mentorship and strategic support. This integrated approach aims to help companies focus on innovation and rapid development. They also provide support through their research services company, o2h Discovery. The firm's investment strategy is knowledge-intensive, focusing on areas where they have deep expertise and can provide significant value beyond just capital.
Ahren Innovation Capital
Ahren Innovation Capital focuses on investing in deep technology companies that are at the intersection of groundbreaking science and high-end technology. Their investment strategy is geared towards creating outsized returns while also having a positive impact on the world. They back founders with big visions and provide support to help them achieve their goals. They believe in taking asymmetric, considered risks to capture generational opportunities in deep technology. Ahren partners with stellar founders and teams at all stages from pre-seed to pre-IPO, and are willing to help build companies from scratch or provide capital and expertise to high-growth businesses. Their approach involves deep tech expertise from their Founding & Science Partners, who have created technologies with a combined value of over $100BN. They are involved throughout the investment process, from sourcing to deep-tech diligence, and supporting businesses. They offer a Commercial Engine and Unicorn Founder advisors to help their companies achieve success. They also value strategic LP partnerships, where major LPs provide access, expertise, and customers to their portfolio companies. Ahren prioritizes strong values and treating founders well, aiming to be a trusted and respected group that can have a differentiated impact on their success. They aim to add value to exceptional founders at any stage, providing both patient and active capital to empower them to achieve the unimaginable.
Amadeus Capital Partners
Amadeus Capital Partners is a deep tech venture capital firm investing from seed to growth stages. Since 1997, they've backed over 200 companies and raised over $1.3 billion for investment. They focus on companies solving hard problems in large markets across three key technology areas: Intelligence, Human, and Planet. This suggests a thesis centered on supporting trailblazing companies that are developing innovative solutions to address significant global challenges using deep technology.
Bethnal Green Ventures
Invests in ambitious, diverse founders building tech-driven solutions to address global challenges like climate change, inequality, and health disparities. Focuses on scalable, sustainable businesses that deliver measurable positive impact alongside commercial growth.
Connectventures
Connect Ventures is a venture firm designed to work for exceptional founders building outlier product companies. They focus on supporting brilliant minds driving change, providing support every step of the way. They seek founders who are building products they themselves badly want and can't find anywhere, solving problems they personally experience. This resonates with Connect's thesis, indicating a product-centric investment approach. They claim to deeply understand the power of product, showing an obsession with developer experience.
Cornerstone VC
Cornerstone VC focuses on investing in early-stage technology businesses led by diverse teams in the UK. They employ a 'people first' investment strategy, believing that the potential in diversity as an asset class is significant. Their approach centers on supporting founders who are intentional about building world-class teams, excel in high-growth environments, and are obsessive about execution. They prioritize the team and the people behind the idea, as much as the product itself. The firm's investments span across three key themes: Live, Work, and Play. Within Live, they invest in Health Tech, Carbon Tech, Supply Chain and Logistics, and PropTech & Infrastructure, focusing on technologies that improve lifestyles and create a sustainable future. In Work, they target Enterprise Software, Machine Learning/AI, Fintech, and Ed Tech & Skills, supporting innovative applications for collaboration, data protection, financial empowerment, and employee wellness. For Play, they invest in Networks & Marketplaces, Online Communities, Web 3.0/Immersion, Social, Adtech, and Martech, redefining how people wind down, socialize, and spend quality time. Cornerstone VC emphasizes being an approachable and supportive partner to founders, particularly during the challenging early stages. They aim to be present during both the ups and downs of the entrepreneurial journey. They actively look to break barriers within the VC landscape and support opportunities for talented founders from diverse backgrounds. They started as angel investors and aim to bring that experience into their fund investing activities. They seek founders who are building world-class teams, can excel in high growth environments and are truly obsessive about execution.
Eden Ventures
Eden Ventures is an international venture capital firm focused on pre-seed startups, aiming to help founders realize their full potential. They position themselves as the "garden of Eden" for early-stage companies. Their strategy revolves around leveraging a large network of over 500 angels to provide business connections and fundraising opportunities through club deals and connections to VC partners. They seek to invest in teams with serial entrepreneurs, multidisciplinary skills, and strong commitment. The firm offers initial investments up to 100,000 EUR, with flexible financing options including SAFEs, convertible notes, and equity. They prioritize a "founders friendly" approach, acknowledging the challenges and opportunities of building a new business. Eden Ventures is backed by IAG, the main Italian business angel network, which suggests a strong tie to the Italian startup ecosystem and access to angel investors. Their investment criteria include targeting multibillion-dollar markets in hyper-growth sectors with well-defined target customers. They look for deals with the presence of professional investors, a clear roadmap, and defined KPIs, aiming to complete at least 50% of each round. They also mention synergies with the IAG portfolio of 80+ startups and scaleups as a value add. Their overall approach is network-powered, emphasizing connections, strategic advice, and maximizing next round opportunities for their portfolio companies.
Entrepreneur First (EF)
Entrepreneur First (EF) is a pre-seed investor that focuses on helping individuals find co-founders, develop their ideas, and raise capital. Their primary value proposition is to build unicorn cofounding teams from scratch by providing a structured program that includes matching individuals with complementary skills and behaviors, offering expert advice, and fostering a supportive community. EF supports founders in going from emerging ideas to generating first revenue, with a focus on accelerating their path to building world-class companies. They provide access to advisors, workshops, office space, fundraising support, and Demo Days to help portfolio companies break into top startup ecosystems. EF differentiates itself by investing at the very beginning of the founder journey, often before an idea is fully formed. They provide a curated co-founder matching process which is unique in the venture landscape. The firm also offers extensive support in the U.S. market, including dedicated advisors and a San Francisco Demo Day. Backing from prominent Silicon Valley founders and investors further validates EF's approach and provides credibility to its portfolio companies. The firm's strategy is to identify talented individuals with the potential to become successful founders, regardless of their initial idea or stage. Through their program, EF helps these individuals refine their ideas, build strong teams, and secure funding. By taking a hands-on approach and providing access to a valuable network, EF aims to increase the odds of success for its portfolio companies.