| SU-0236 | Aspiring founder in Bavaria seeks a finance-minded co-founder; business direction still openFinance / CFO, CEO & business · Rosenheim, Germany | Idea | — | — | Oct 2026 | New |
| SU-0233 | Buying real businesses, starting with wealth management, and transforming them with AIFinance / CFO, CEO & business · Location not stated | Fintech, AI · Idea | — | — | Oct 2026 | New |
| SU-0227 | Soybean crop-stress scoring from satellite and weather data seeks a remote-sensing co-founder and a business co-founderData & infrastructure, CEO & business · Location not stated | AI, Climate & energy · Idea | — | — | Oct 2026 | New |
| SU-0218 | Mobile wellbeing app backed by an investment company seeks a Co-founder and CEO on up to 25% equityCEO & business · Location not stated | Health, Consumer & social · Live product or beta | Equity only | Remote | Oct 2026 | New |
| SU-0476 | Team seeks an experienced commercial co-founder strong in sales and go-to-marketCEO & business, Sales & partnerships · Location not stated | — | — | Remote | Oct 2026 | New |
| SU-0206 | Service for capturing and sharing 3D spatial data (ARKit/LiDAR); solo engineer seeks a business-savvy co-founderCEO & business, Finance / CFO · Location not stated | SaaS & B2B software, Media & creators · Live product or beta | — | — | Sep 2026 | New |
| SU-0472 | AI agent security and governance platform seeks a co-founder and CEO to take its MVP to marketCEO & business, Sales & partnerships · Location not stated | Cybersecurity, AI · Live product or beta | — | Remote | Sep 2026 | Recent |
| SU-0191 | Company group in formation seeks co-founders to independently run new venturesOperations / COO, CEO & business · Essen, Germany | Idea | — | — | Aug 2026 | Recent |
| SU-0186 | Studio venture building an AI inventory-planning autopilot for small retailers seeks a CEO co-founderCEO & business · Seattle, Washington, United States | SaaS & B2B software, Commerce & retail, AI | Full-time · Equity only | — | Jul 2026 | Recent |
| SU-0177 | Early-stage digital mental health platform seeks a US-based mission-driven co-founderCEO & business · United States | Health | Full-time · Equity only | Remote | Jun 2026 | Recent |
| SU-0171 | AI infrastructure for India's gig workforce, mobility and EV ecosystems seeks one co-founderCEO & business, Operations / COO · Bengaluru, India | AI, HR & future of work, Mobility & logistics | — | Hybrid | May 2026 | Recent |
| SU-0166 | Research spinout for light-driven on-site hydrogen peroxide generation seeks a business-lead co-founderCEO & business · Potsdam, Germany | Climate & energy, Deep tech · Prototype | — | — | May 2026 | Recent |
| SU-0161 | Catalyst-materials startup with patent-pending core-shell technology seeks a business co-founder in ConnecticutCEO & business, Sales & partnerships · Storrs Mansfield, Connecticut, United States | Deep tech, Climate & energy | Full-time · Equity only | Hybrid | Apr 2026 | Recent |
| SU-0148 | Photonics-based AI processor and supercomputing company seeks co-founders to join its core founding teamCEO & business, Finance / CFO · Bengaluru, India | Hardware, robotics & IoT, Deep tech, AI | — | Hybrid | Mar 2026 | Recent |
| SU-0144 | TypeScript server framework that runs handlers across many runtimes, adding an AI-agent layer; seeks a co-founderCEO & business, Marketing & growth · Location not stated | Developer tools, AI · Live product or beta | — | — | Mar 2026 | Recent |
| SU-0135 | Identity and access infrastructure startup in Austin seeks an equity co-founderCEO & business, Sales & partnerships · Austin, Texas, United States | Cybersecurity, Developer tools · Idea | Flexible · Equity only | — | Jan 2026 | Recent |
| SU-0134 | Declarative point-and-click editor for GUI-database apps seeks a non-technical co-founderCEO & business, Finance / CFO, Marketing & growth · Location not stated | Developer tools, SaaS & B2B software · Idea | — | — | Jan 2026 | Recent |
| SU-0130 | PhD-led deep-tech idea in neuromorphic and next-generation memory devices seeks co-foundersScience & R&D, Hardware & robotics, CEO & business · Location not stated | Deep tech, Hardware, robotics & IoT · Idea | Equity only | Remote | Jan 2026 | Recent |
| SU-0128 | Venture studio recruits co-founders (CEO, CTO or CMO) for a newly launched, funded startupCEO & business, Technical co-founder / CTO, Marketing & growth · United States | Funded | Full-time · Equity and salary | — | Jan 2026 | Recent |
| SU-0126 | Early-stage music production and marketing studio seeks an equity-based business co-founder in Los AngelesCEO & business, Finance / CFO, Operations / COO · Los Angeles, California, United States | Media & creators | Flexible · Equity only | Remote | Jan 2026 | Recent |
| SU-0122 | Artist marketplace and agency platform in New York seeks an equity-only co-founderCEO & business, Marketing & growth · New York, United States | Marketplaces, Media & creators | Full-time · Equity only | Hybrid | Dec 2025 | Recent |
| SU-0120 | South African app store programme seeks equity-only co-founders with app or SaaS ideas, domain expertise or reachCEO & business, Industry expert, Content & community · Johannesburg, South Africa | Marketplaces, SaaS & B2B software | Equity only | — | Dec 2025 | Recent |
| SU-0111 | Early-stage cross-border connections platform seeks a business co-founder to complement a technical founderCEO & business, Marketing & growth · San Francisco, California, United States | Consumer & social, Travel & hospitality · Live product or beta | — | — | Dec 2025 | Recent |
| SU-0109 | Studio venture building AI compliance review for SEC/FINRA-regulated firms seeks a CEO co-founderCEO & business · Location not stated | Fintech, AI, SaaS & B2B software | Full-time | — | Dec 2025 | Recent |
| SU-0099 | Software product with early sales seeking a non-technical or sales co-founderCEO & business, Sales & partnerships · Location not stated | SaaS & B2B software · Paying customers | — | — | Oct 2025 | Older |
| SU-0082 | AI operating system for women's safety and empowerment, solo India-based founder seeks technical or strategic co-founderTechnical co-founder / CTO, CEO & business · India | AI, Social impact · Prototype | — | — | Aug 2025 | Older |
| SU-0081 | Next-generation large crewed space station, seeks technical and business co-foundersHardware & robotics, Technical co-founder / CTO, CEO & business · Location not stated | Deep tech, Hardware, robotics & IoT · Idea | — | — | Aug 2025 | Older |
| SU-0055 | Website helping people find the best weather for a trip or relocation; founder seeks co-founders for monetizationMarketing & growth, CEO & business · Location not stated | Consumer & social, Travel & hospitality | — | — | Mar 2025 | Older |
| SU-0052 | AI-powered ASPM platform seeking a US-based CEO co-founderCEO & business, Sales & partnerships, Finance / CFO · Madrid, Spain | Cybersecurity, AI · Paying customers | — | — | Mar 2025 | Older |
| SU-0035 | Psychology-driven talent and startup-advisory firm seeks an investing strategic co-founderCEO & business, Finance / CFO · Location not stated | HR & future of work | Full-time · Equity only | Remote | Jan 2025 | Older |
| SU-0032 | Pre-launch AI social connection platform in New York seeks a growth and operations co-founderCEO & business, Marketing & growth · New York, United States | Consumer & social, AI · Prototype | Full-time · Equity only | — | Dec 2024 | Older |
| SU-0031 | Profitable TypeScript npm library for automating FIX message workflows at trading firmsCEO & business, Technical co-founder / CTO · London, United Kingdom | Fintech, Developer tools · Paying customers | — | — | Dec 2024 | Older |
| SU-0372 | Savings and payment platform for Middle East expatriates seeks a business-side co-founderFinance / CFO, CEO & business · Location not stated | Fintech · Idea | — | Remote | Aug 2024 | Older |
| SU-0017 | Open-source project the startup seeking a co-founder who can design, code and act as CEOCEO & business, Technical co-founder / CTO, Design & UX · Location not stated | — | — | — | Jul 2024 | Older |
| SU-0430 | AI workflow automation for insurance agencies with 10K+ monthly revenue seeks a CTO or CEO co-founderTechnical co-founder / CTO, CEO & business · San Francisco, United States | AI, Fintech · Paying customers | — | On site | Feb 2024 | Older |
| SU-0005 | Bootstrapped SaaS founder with low seven-figure revenue seeks an in-person co-founder for new ideasTechnical co-founder / CTO, CEO & business · New Jersey, United States | SaaS & B2B software · Paying customers | — | On site | Jan 2024 | Older |
| SU-0003 | Low-cost 3D ultrasonic sonar sensor as lidar alternative seeks technical partner who can also handle business tasksTechnical co-founder / CTO, CEO & business · France | Hardware, robotics & IoT, Deep tech · Prototype | — | — | Jan 2024 | Older |
| SU-0524 | Demand-led marketplace in development seeks a part-time commercial and fundraising co-founderCEO & business, Finance / CFO, Sales & partnerships · Location not stated | Marketplaces, Commerce & retail · Prototype | Part-time · Equity only | Remote | — | Undated |
| SU-0522 | Stealth crypto trading-infrastructure startup built on order-book data seeks a non-technical co-founderCEO & business, Finance / CFO · Location not stated | Fintech, Crypto & web3 · Prototype | Equity only | Remote | — | Undated |
| SU-0521 | Urban innovation agency in Edinburgh seeks a communications and marketing (CMO) co-founderMarketing & growth, CEO & business · Edinburgh, United Kingdom | Climate & energy, Real estate & construction | Equity only | Hybrid | — | Undated |
| SU-0519 | Resume-feedback product for software engineers seeks a non-technical co-founderCEO & business · Location not stated | HR & future of work, Consumer & social | Flexible | Remote | — | Undated |
| SU-0518 | Privacy infrastructure for AI and API apps seeks a sales and go-to-market co-founderSales & partnerships, Marketing & growth, CEO & business · Location not stated | Cybersecurity, AI, SaaS & B2B software · Live product or beta | Equity only | Remote | — | Undated |
| SU-0504 | Planned quantum-AI operating system for smart devices seeks a co-founder for scaling and leadershipCEO & business · Location not stated | Deep tech, Hardware, robotics & IoT, AI · Idea | — | — | — | Undated |
| SU-0486 | Codebase-understanding tool seeks a non-technical co-founder for marketing, 50% equityMarketing & growth, CEO & business · United States | Developer tools | Equity only | Remote | — | Undated |
| SU-0424 | IT services firm adds a Co-Founder to lead B2B sales and go-to-market for productized CRM/ERP servicesSales & partnerships, CEO & business · Islamabad, Pakistan | SaaS & B2B software · Paying customers | Equity and salary | Hybrid | — | Undated |
| SU-0423 | African personal-finance app seeks an equity-only co-founder and CEOCEO & business · Location not stated | Fintech, Consumer & social · Live product or beta | Full-time · Equity only | Remote | — | Undated |
| SU-0319 | Studio venture building an AI returns and reverse-logistics orchestration layer seeks a CEO co-founderCEO & business · Boston, Massachusetts, United States | Commerce & retail, AI, SaaS & B2B software · Idea | Equity only | — | — | Undated |
| SU-0316 | AI competitive-intelligence platform for B2B SaaS seeks a martech-savvy co-founder for go-to-marketCEO & business, Marketing & growth · Berlin, Germany | SaaS & B2B software, AI · Live product or beta | Equity only | Remote | — | Undated |
| SU-0302 | UK venture builder recruiting co-founders for science-backed bio-materials and sustainable-construction venturesCEO & business, Science & R&D, Operations / COO · Leeds, United Kingdom | Climate & energy, Deep tech, Commerce & retail · Prototype | Full-time · Equity only | Remote | — | Undated |
| SU-0296 | Laser-photonics spinout from an Austrian research institute seeks a CEO co-founder in ViennaCEO & business · Wien, Austria | Deep tech, Hardware, robotics & IoT · Prototype | Full-time · Equity and salary | On site | — | Undated |
| SU-0273 | Pre-formation battery-materials manufacturing venture in London seeks a commercial co-founderCEO & business, Sales & partnerships · London, United Kingdom | Climate & energy, Deep tech · Idea | Equity and salary | On site | — | Undated |
| SU-0264 | FinTech SaaS showing cross-border investors how ETF domicile and taxes affect returns seeks a commercial co-founderSales & partnerships, CEO & business · Location not stated | Fintech, SaaS & B2B software · Live product or beta | Equity only | Remote | — | Undated |
| SU-0256 | Group-buying wholesale platform seeks a sales business partner with a path to commercial director or CEOSales & partnerships, CEO & business · Location not stated | Marketplaces, Commerce & retail · Paying customers | Flexible | Remote | — | Undated |
| SU-0250 | Venture-builder-backed clean-energy startup turning food waste into electricity seeks a commercial co-founderCEO & business, Sales & partnerships, Finance / CFO · London, United Kingdom | Climate & energy, Biotech & life sciences, Deep tech · Idea | Full-time · Equity and salary | Hybrid | — | Undated |
| SU-0249 | AI digital death-planning platform for families and advisers seeks a third co-founder to lead fundraising and productCEO & business, Product, Finance / CFO · United Kingdom | Fintech, Legal & public sector, AI · Paying customers | Flexible · Equity and salary | Remote | — | Undated |
| SU-0238 | Venture-builder alarm-system startup seeks a co-founder / managing director in BerlinCEO & business, Operations / COO · Berlin, Germany | Cybersecurity, Consumer & social · Paying customers | Equity and salary | — | — | Undated |