Top Tech Startups in North America in 2027

Paragon is an Integration Infrastructure Platform for SaaS apps - we enable companies to build products that integrate with the SaaS ecosystem. With Paragon, software companies can integrate with hundreds of different SaaS apps in minutes while providing their customers with a seamless, unified integration experience. Our vision is to build the connecting layer for all software that enables every application in the world to work together seamlessly. In the last few years, we've grown by over 10x and now work with over 200 customers around the world. We've raised over $16M from world-class investors like Y Combinator, Inspired Capital, Global Founders Capital, Soma Capital, and Village Global, and have been featured in Techcrunch and Forbes.

CB Insights fuses machine learning, algorithms, data and visualizations together to help large enterprises ask, answer and articulate compelling answers to difficult questions - about growth, about competition and about the markets and technologies of the future. Our machine learning technology mines vast numbers of unstructured documents such as patents, earnings calls, news articles, company websites, regulatory filings, social media and more to derive insights into the future of the global economy.

Nova Credit is a credit infrastructure and analytics company that enables businesses to grow responsibly through alternative credit data. As a Consumer Reporting Agency (CRA), Nova Credit leverages its unique data infrastructure, compliance framework, and credit expertise to help lenders fill critical gaps in traditional credit analytics. The company transforms the fragmented universe of consumer financial data into compliant, actionable risk insights through a comprehensive platform designed to increase conversion through expanded coverage, speed, and reliability. Leading organizations, including HSBC, RBC, SoFi, Scotiabank, Appfolio, and Yardi, work with Nova Credit to make smarter credit decisions through cash flow underwriting with Cash Atlas™, quickly verify income with Income Navigator, and reach new-to-country consumers with Credit Passport®. Learn more at novacredit.com or reach out to [email protected]

Stripe is a software platform for starting and running internet businesses. Millions of businesses rely on Stripe’s software tools to accept payments, expand globally, and manage their businesses online. Stripe has been at the forefront of expanding internet commerce, powering new business models, and supporting the latest platforms, from marketplaces to mobile commerce sites. We believe that growing the GDP of the internet is a problem rooted in code and design, not finance. Stripe is built for developers, makers, and creators. We work on solving the hard technical problems necessary to build global economic infrastructure—from designing highly reliable systems to developing advanced machine learning algorithms to prevent fraud.

The world’s first checkout experience platform, Bolt offers a lightning-fast, one-click checkout, and connects millions of shoppers to retailers through a unified, cross-brand network. Hundreds of forward-thinking retailers like Forever 21, Badgley Mischka, Milk Makeup, and more rely on Bolt to convert, retain, and delight shoppers.

RevenueCat removes the headaches of building and scaling in‑app subscriptions. Since graduating from YC’s S18 batch we’ve grown into the default monetization platform for mobile: we’re in >40% of newly shipped subscription apps, we process $12B+ in annual purchase volume, and we help everyone from a solo dev in Brazil to the OpenAI mobile team understand and grow their revenue. We’re a remote‑first crew of 150+, spread across 25+ countries, and guided by values we actually practice: Customer Obsession, Always Be Shipping, Own It, and Balance. If you want your work to touch hundreds of millions of end‑users (and help the developers behind them get paid), you’ll fit right in.

Klaviyo (NYSE: KVYO) is the B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 183,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency, and drive revenue.

At Mixpanel, our mission is to increase the rate of innovation. Not only as a company, but for the businesses we serve. Through our analytics platform, companies can analyze how and why their users engage, convert, and retain in real time across web, mobile, and smart devices. Then they can use that data to improve their business and products.

MongoDB is the leading modern, general purpose database platform, designed to unleash the power of software and data for developers and the applications they build. Headquartered in New York, MongoDB has more than 15,000 customers over 100 countries. The MongoDB database platform has been downloaded over 60 million times and there have been more than one million MongoDB University registrations.

At Weights & Biases our mission is to build the best tools for machine learning. Our co-founders built Figure Eight, and our tools are being used by cutting-edge machine learning teams including OpenAI, NVIDIA, and Co:here. We’re looking for passionate, driven people who love to learn and collaborate in an inclusive work environment.