Top Software Startups in 2027

Pinterest is the world's first visual discovery engine. People use Pinterest to discover ideas to try in their daily lives. More than 300 million people around the world use Pinterest to dream, plan and prepare for things they want to do in life. We always start by asking: whose problem are we solving? Is it significant? Are we making Pinners lives better? If products don't work for people they don't work for us. The success of Pinterest depends on the ownership of every Pinployee. We all own Pinterest and work to achieve results that benefit everyone, not just specific teams or individuals.

SimilarWeb is the pioneer of digital market intelligence, and the standard for understanding the digital world. Our platform provides customers with granular insights about every website and mobile app enabling visibility into digital behavior and letting businesses see what is actually happening with their competitors, their industry and throughout the digital world. We have thousands of paying customers worldwide and millions of users using our free platform every month. Our customers are some of the largest global brands in the world and including Walmart, AirBnb, adidas, DHL and eBay. SimilarWeb raised over $112 million and has over 400 employees in 8 offices around the world in NY, SF, London, Tel Aviv, Tokyo, Kiev, Paris, San Paulo. With the insights and the data we provide businesses, agencies, marketers and analysts can benchmark performance against competitors, reveal competitors online strategy, discover new opportunities, identify emerging trends and understand consumer

Our mission is to automate how humans acquire and master skills. The first step in our journey is to build the "AI stack for education" to transform the credentialing and publishing industries with the best tools to build curricula, assessments, and apps at scale. After winning #1 (of 1,500) in the Vercel AI Accelerator we bootstrapped to millions in revenue and profitability while delivering over 200MM assessments via our AI platform. We also just closed our first strategic investment to scale faster and deploy our solution to millions of additional learners. We're a lean, talented team that rewards agency, curiosity, and shipping real products that directly impact the lives of millions. "Memorang has literally the best gen AI results I've seen applied to a real world problem." - Director of Trust and Safety, Google Deepmind

Welbi improves the quality of life of older adults like our parents and grandparents by transforming the way senior living communities provide care to them every day. We do this by streamlining their processes so staff can spend more time keeping residents active and engaged. This allows them to build deeper connections with residents and stay ahead of their changing needs so that no resident is socially isolated.

Our team combines seasoned aerospace engineering talent and Special Operations combat veterans to address 21st century threats. We embrace the best practices from Silicon Valley innovation such as agile development and deliver breakthroughs in high-power microwave for offensive and defensive EMP and artificial intelligence for enhanced targeting capabilities.

Today, more than ever, data demands respect. That's why Virtru gives people, organizations, and developers the power to share sensitive data without sacrificing security, privacy, or ownership. Our portfolio of data encryption and privacy enhancing applications are remarkably easy to use, fast to implement, affordable for all, and built on the Trusted Data Format (TDF) open standard. We empower commercial software developers to innovate on TDF using our cloud APIs for Zero Trust Data Control. Further, we warmly welcome community developers to build upon and contribute to the OpenTDF project.

Checkout.com is one of the most exciting and valuable fintechs in the world, with our Series D taking our valuation to $40 billion. Our mission is to enable businesses and their communities to thrive in the digital economy. We’re the strategic payments partner for some of the best known fast-moving brands globally such as Wise, Hut Group, Sony Electronics, Homebase, Henkel, Klarna and many others. Purpose-built with performance and scalability in mind, our flexible cloud-based payments platform helps global enterprises launch new products and create experiences customers love. And it's not just what we build that makes us different. It's how. We empower passionate problem-solvers to collaborate, innovate and do their best work. That’s why we’re number 9 on the Forbes Cloud 100 list and on Glassdoor’s list of Top 10 fintechs to work for. And we’re just getting started. We’re building diverse and inclusive teams around the world — because that’s how we create even better experiences for our merchants and our partners. And we need your help. So, join us to build tomorrow, today. We believe in equal opportunities. Checkout.com is an equal opportunities employer. We welcome applications from all members of society irrespective of age, sex, disability, sexual orientation, race, religion, or belief. We make recruiting decisions based on your experience, skills and personality. We believe that employing a diverse workforce is the right thing to do and is central to our success.

Take Command is a software start-up on a mission to accelerate the adoption of a new health insurance model. We’re a small team doing big things in the healthcare industry.

Utilizing both public and private data, Sigma Ratings dynamically tracks company-level non-credit risks across multiple jurisdictions. In generating its scores and ratings, Sigma is solving a number of hard technology problems related to emerging market data collection, analysis and display that are valuable to global financial institutions, investors and governments.

Tomorrow.io is the world’s leading Weather Intelligence Platform™. Fully customizable to any industry impacted by the weather, customers around the world including Uber, Delta, Ford, National Grid and more use Tomorrow.io to dramatically improve operational efficiency. Tomorrow.io was built from the ground up to help teams predict the business impact of weather, streamline team communication and action plans, improve productivity, and optimize profit margins. Space: In case you have not heard, we are also going to space with our Operation Tomorrow Space initiative. We are building the first-of-its-kind proprietary satellites equipped with radar, and launching them into space to improve weather forecasting technology for everyone on Earth.