The startup investor directory
Pre-seed, operator-led solo GP (9-figure exit) operating as a Day Zero kingmaker for frontier space, defense, energy, manufacturing, semiconductor, autonomy and AI founders focused on global resilience.
Focuses on founders building a better future and offers storytelling and narrative support to transform tomorrow.
Backs non-consensus, anti‑thesis product bets (AI‑native and future‑of‑work), with former-operator and product-leader partners who advise founders on product strategy.
Sparking Capital is a Business Angel, investing in early-stage startups with pre-seed and seed investments. It focuses on empowering businesses and helping entrepreneurs with unique industry insights, powerful vision, passion, courage, and excellence. Sparking Capital also provides resources, information, and analysis on credit cards, investments, and more. It is based in Romania, and it has invested in a variety of startups, including Bright Spaces, a real-estate solution facilitating properties management.
Typically leads education deals with first checks of €0.5–1.5m and up to €5m total; unique as the Nordics' first education-focused VC with partners' 50–80 years sector experience.
Speciale Invest is an early-stage investor that provides venture capital and private equity to startups exploring science and engineering innovation. The company was founded in 2017 by co-founders Vishesh Rajaram and Sanjay Mehta and is based in Karnataka, India. Speciale Invest has a team of 2-10 employees, and they invest in early-stage startups in the areas of enterprise cloud computing, EVTOL aircraft, and energy.
Speedinvest is a venture capital fund that invests in pre-seed, seed, and early-stage tech startups. They consider principal adverse impacts before and after investments, and provide commercial strategy and pricing consulting to help startups boost commercial value creation. Additionally, they provide an equity crowdfunding platform for growth-obsessed startups and offer a range of services, including data analysis and due diligence, to help startups succeed.
SpeedUp Group is a leading group of early-stage venture capital funds investing in all stages of the development of new businesses and technologies. The group was founded in 2009 and is based in Poland. It invests in startups and established companies across industries, providing access to capital and offering mentorship and guidance to help companies grow and succeed. The team consists of experienced professionals with diverse backgrounds in finance, technology, and business. SpeedUp Group has successfully exited multiple investments and has a portfolio of over 200 companies.
Early-stage investor in private technology companies focused on crypto/web3, offering equity investments plus opportunistic direct token and NFT allocations from a $10M fund.
Spintop Ventures is a venture capital firm based in \u00c5stersund, Sweden. Founded in 2010, the firm invests in tech startups and early-stage companies, with a focus on sustainability and value creation. The firm invests in a variety of sectors, including data storage and analysis, retail, and office environments. They are committed to backing entrepreneurs on their mission and providing them with the resources and guidance they need to succeed.
Spring Capital is a venture capital firm based in Tallinn, Estonia. Founded in 2008, the firm focuses on investments in technology, media and services companies. Spring Capital also provides advisory services in areas such as investment sales, debt advisory, equity advisory, capital markets quants, loan sales and loan servicing and asset management.
Spring Invest is a French investment fund dedicated to disrupting traditional investment management by leveraging leading-edge technology to increase the efficiency of decision making and improve returns for investors. The fund offers a range of services, including portfolio management, financial advisory, asset selection, and risk management. Spring Invest also provides online tools to help investors make informed decisions, such as a portfolio monitoring tool, an investment simulator, and a financial planning tool.
Invests at the earliest stages in mission-critical infrastructure for care, housing, work and community, offering access to 100+ operator and family-office co-investor network plus policy partnerships to shape regulation.
Repeat health‑tech founders' VC with embedded CMO and clinical operators, 22 venture partners, Wave Summit/Wave Labs, and direct access to policymakers and system leaders for underserved patient populations.
Tiny fund that leads complicated priced seed rounds, invests nationwide from Boulder, Denver, Austin, and Atlanta, offers daily VC Minute fundraising advice, data-driven Seed Crust analysis, and transparent mentorship.
$10M fund committed to accelerating the world’s most compelling startups.
Stacks.ac is a website that provides tools and resources for conducting population and comparative genomics research. The site provides a range of tools for analyzing data, including tools for assessing gene expression, genetic variation, and population-level diversity. Additionally, Stacks.ac provides access to a range of datasets, including public datasets and datasets from recent research projects. The site also offers tutorials and documentation to help users get up to speed with the tools and data available. Finally, Stacks.ac also offers a forum for users to ask and answer questions about their research.
Stadia Ventures is a venture capital firm focused on sports and esports startups. It provides companies with the tools, resources, and network they need to get their venture off the ground. Stadia Ventures is committed to helping these startups succeed and reach their full potential, while also helping to shape the future of sports and esports. The firm offers mentorship, investment, and access to a network of industry experts and partners.
Staenberg.com is an online platform that provides venture capital services to technology companies. The site was founded by Marc Staenberg, an experienced venture capitalist with a successful track record of investments. The company offers a wide variety of services, such as venture capital, angel investing, seed funding, and advice on fundraising and structuring. The site also provides information about upcoming events and resources for entrepreneurs. It also offers a wide range of content for entrepreneurs, including articles, podcasts, videos, and resources. Additionally, Staenberg.com provides a variety of tools and resources to help entrepreneurs maximize their success, including venture funding calculators, advice on negotiating deals, and networking opportunities.
Seed investor applying value‑investing tools (unit economics, downside analysis) to deep‑tech B2B—space, industrial robotics, life sciences, defense—helping ex‑SpaceX founders ship enterprise‑grade products on small budgets in regulated environments.
StageOne Ventures is a venture capital firm based in Herzliya, Israel, founded in 2001. The firm focuses on investing in early-stage, high potential startups, providing capital, operational guidance and business development support to their portfolio companies. They also provide access to their extensive network of investors, advisors and peers, and are committed to helping their portfolio companies achieve success.
Starburst Aerospace is a company operating as a startup accelerator and strategic advisory firm. They help existing and emerging aerospace companies access capital, resources, and skills. They provide mentorship, access to the largest aerospace and aviation stakeholders groups, and a platform to help clients gain visibility and traction. Starburst Aerospace offers a range of services, from capital raising and investor relations to market entry and growth strategies. They also provide research and consulting services, and have a network of aerospace and aviation experts ready to advise and support their clients.
Miami-based VC focused on fusion, geothermal, advanced materials and climate tech, advising founders on capital-stacking deep-tech companies from lab to scale.
Founded in 2008, Starquest Capital is a venture capital firm headquartered in Paris, France. The firm seeks to invest in Greentech and other technologies that protect the environment, conserve resources, and improve the lives of humans. Their investments are focused on early-stage, high-growth companies and their portfolio includes companies from a variety of sectors, including energy, water, food, health, and mobility. Starquest Capital works closely with their portfolio companies to help them reach their goals, leveraging their extensive network of partners, advisors, and other investors.