Venture-Backed Startups
132,242 companies with verified investor relationships.
Double Data builds a proprietary search system that enables B2C companies (banks, insurers, retailers) to automatically find and enrich customer data from public internet sources for marketing optimization, cross-selling, market research, and risk reduction. The software runs within the client's internal IT infrastructure to protect customer data privacy.
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The Double E Group manufactures mechanical and electrical industrial web handling products for the paper, film, and foil industries.
1 investor
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Double Helix Optics develops 3D imaging and sensing technology for scientific microscopy, based on its engineered point spread function (ePSF) and Nobel Prize-winning super-resolution methods. Its SPINDLE modules, phase masks, and 3DTRAX software attach to existing microscopes to capture instantaneous nanoscale 3D data for researchers in spatial biology and life sciences.
0 investors
double jump.tokyo is an enterprise Web3 infrastructure company offering four solutions—corporate wallets, stablecoin payments, AI agent payments, and crypto asset accounting—for companies' authentication and payment needs. Its products include N Suite, an MPC-based enterprise wallet SaaS with approval workflows and audit logs, and RIKYU, a crypto accounting SaaS that automates profit/loss calculation, bookkeeping, and tax filing from on-chain assets.
4 investors
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Double Loop Games is a women-led mobile game studio building free-to-play, narrative-focused titles, with a mobile-first game currently in soft launch. The team draws on backgrounds from studios such as Kongregate, Warner Bros, and Zynga.
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Double Robotics manufactures Double 3, a self-driving two-wheeled robot for remote workers and students to participate in hybrid offices and classrooms with physical presence. The robot features autonomous navigation, mixed reality visualization, and dual zoom cameras for videoconferencing.
2 investors
Double Wood Supplements produces and sells health and wellness supplements, including a men's health bundle containing testosterone support and muscle-building ingredients. The company serves consumers seeking science-backed supplement products and offers third-party testing certificates for transparency.
1 investor
Double-Barrelled is a craft beer brewery that produces and sells branded beers, founded after its co-founders traveled the world researching ingredients and beer trends.
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doubleAI develops Artificial Expert Intelligence (AEI) systems designed to achieve expert-level reasoning and discovery in specific scientific domains, rather than general intelligence. The company builds AI technology focused on deep, rigorous problem-solving for scientific research and engineering challenges.
3 investors
Doubleback is an estate winery in Walla Walla Valley focused on producing cabernet sauvignon. The company was founded by former NFL quarterback Drew Bledsoe and his wife Maura as a combination of their passion for fine wine and the local region.
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DoubleDutch was an event mobile app provider whose technology is now part of Cvent's Attendee Hub event app offering. The platform provides conference and trade show attendees with agendas, networking, exhibitor content, live polling and Q&A, while giving organizers engagement data and reporting.
3 investors
DoubleLoop offers an AI-powered platform combined with workshops that builds a "Value Architecture" — a model connecting a company's day-to-day work to business value and outcomes. It targets growth-stage companies looking to prioritize work by impact, connect metrics to results, and align stakeholders as a lower-cost alternative to traditional consulting.
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DoubleVerify provides a media effectiveness platform that uses measurement data and AI optimization to maximize digital advertising campaign performance and drive business outcomes. The platform serves advertisers, publishers, and commerce platforms by addressing fraud detection, brand suitability, and performance measurement across the digital advertising ecosystem.
4 investors



