ScaleUp Competitors

Y Combinator is the leading startup accelerator for entrepreneurs. Since 2005, YC has invested in over 5,400 companies, including Airbnb, Dropbox, Stripe, Reddit, Instacart, DoorDash, and Coinbase. Today, YC has built the most powerful startup community in the world alongside the products and programs to support founders for the life of their company.

LaunchDarkly is the runtime control layer for the AI era. For over a decade we have helped engineering teams control what ships in production, starting with feature management and evolving into the infrastructure that governs how software and AI agents behave after deploy. With CodeControl and AgentControl, teams can update agent behavior in milliseconds, automatically roll back when something drifts, and govern every agent and feature across the organization from one place. No redeploys required. LaunchDarkly processes more than 50 trillion flag evaluations per day and serves some of the most demanding engineering teams in the world, including over a quarter of the Fortune 500. Founded in 2014 in Oakland, California by Edith Harbaugh and John Kodumal, LaunchDarkly has been named to the Forbes Cloud 100 for five consecutive years, Fast Company's Most Innovative Companies list, and the Inc. 5000.

SeedLegals is the one-stop platform for the legals to grow your business, raise investment and legal contracts you'll likely need. We guide, educate and empower startups and small businesses to automate the legals they need, dramatically cutting down the time and expense companies used to spend with traditional lawyers and accountants. Our innovative agile funding services help founders raise money, from one-off investments to a full funding round and top-ups in between. We also work with investors to accelerate the fundraising process. 🚀 🖐️ 60,000+ startups, SMEs and investors use SeedLegals 💷 £2 billion+ raised on SeedLegals 🥇 UK's #1 for funding rounds 🥇 UK's #1 for cap table management 🥇 UK's #1 for EMI Option Schemes 👥 160+ employees 🏢 Offices in London, NY and Paris ⚡ We’re hiring! ⚡ Hit ‘Jobs’ or go to linkedin.com/company/seedlegals/jobs Awarded Outstanding Customer Service and Product Excellence by Gartner Digital Markets in 2025