Top Tech Startups in United States in 2026

Winnie is a marketplace for child care built on powerful data systems and backed by a trusted community of parents and providers. Parents use Winnie to discover high-quality local daycares and preschools and learn all about their programs including detailed descriptions, photos, tuition information, licensing status, availability data and more. Child care providers use Winnie to fill their open spaces, build their wait lists, and get support and resources to run their business efficiently. Winnie was started in early 2016 by tech veterans Sara Mauskopf and Anne Halsall. Working moms of two kids each, Sara and Anne became frustrated with the long search to find child care for their young children. Now Winnie is used throughout the United States and is helping connect millions of parents with high quality child care.

Kalepa is the Professional Grade AI underwriting platform trusted by top-tier insurers to accelerate profitable premium growth. We automate what slows underwriters down and amplify what makes them exceptional - covering the full workflow from submission intake and triage through to risk evaluation, quote and bind, and portfolio steering. Our clients include Berkley, Munich Re, Bowhead, Canopius, Paragon, and Secura. The results are measurable: 40% faster quote turnaround, 5–15% improvement in bind rates, and 960+ basis points of combined ratio improvement. Working at Kalepa means working on a genuinely hard problem - and seeing your work go live quickly and directly benefit clients. There's no such thing as boredom here. Every day brings something new, and there's always an opportunity to make a meaningful impact. The culture is built on hustle, grit, and transparency. We hire exceptional people who take pride in their craft. If you're energized by our mission and share our values - get in touch.

JustPark is The Parking App leading a £50bn industry into the digital age. Parking has been difficult for too long, and we’re on a mission to make it easy. Today, we enable over 1.5 million drivers to enjoy easy parking - and also help over 20,000 property owners to manage their parking assets more effectively. Our 5-star apps help drivers find parking in seconds, with 1.4 million spaces to choose from - providing real-time information on price, availability and restrictions. You can even reserve and pay for a guaranteed space at 20,000+ locations, and extend your time in a couple of taps of the app - giving you total peace of mind. On the flip side, our award-winning car park technology unlocks underutliised space for drivers and helps property owners to maximise their revenue. From driveways to offices; hotels to hospitals; council-owned to commercially-run car parks - we offer industry-leading, data-driven solutions, trusted by Marriott, Hilton, JLL, BT, Savills and many more.

Financial institutions process billions of transactions every day across cards, ACH, wires, and third party aggregators. But most of that data is difficult to use. Descriptions are inconsistent, merchant names don’t match, and categories vary by payment type. Spade is a data and AI platform that turns messy transaction strings into structured, verified records — and gives teams the tools to act on it across authorization, attribution, analytics, and AI initiatives. Spade leads the market in terms of merchant coverage, matching accuracy, geolocation data, and speed of transaction enrichment. Customers such as, FIS, Bilt, Mercury, Stripe, alongside many other leaders in fintech and financial services, trust Spade's data to enable personalized rewards programs, accurate applied spending rules, precise analytics requests, and innovative AI-powered features. Spade is a fast growing, Series B company backed by industry experts and top tier investors (including Oak HC/FT, a16z, Flourish Ventures, Y-Combinator, and Gradient Ventures). We’re a lean and execution-oriented hybrid team, passionate about building exceptional products for our growing customer base. We care deeply about diversity of background, experience, and opinion. We value empathy, curiosity, and passion, and strive to create an environment where individuals have autonomy and the ability to take ownership over their work.

At Integral, we’re transforming how enterprises source, process, govern, and deliver their most valuable data. Sensitive data is expansive, complex, and highly regulated, spanning everything from voice interactions and raw images to notes, financial profiles, operational records, and more. It powers critical decisions, research, reimbursement, business operations, and increasingly AI — but the systems used to make this data usable are still fragmented, manual, slow, and expensive. Everything starts with trust, compliance, and governance. Today, those processes often delay the insights, workflows, and products that organizations rely on every day. Integral is building an Agentic Data Operations Platform that streamlines the full lifecycle of sensitive data, from sourcing and compliance to governance and continuous delivery. Instead of relying on disconnected services and bespoke pipelines, enterprises use Integral to manage regulated data end-to-end through a single, persistent platform. We’re creating a future where organizations can safely connect, optimize, and deploy sensitive datasets as easily as checking a box.

Kipsi is a venture-backed, accounting software company. We are passionate about using technology to improve the accounting profession and make the lives of accountants easier. Kipsi is based in the Bay Area but we are a remote-first company.

There will be a shortage of 1.5 million healthcare workers in 5 years. There are 37 million workers who could double their income with short vocational training. Stepful will bridge this gap. Stepful is the first online school disrupting healthcare vocational training by offering a new student experience, and guaranteeing job outcomes.

SpaceX designs, manufactures and launches advanced rockets and spacecraft. The company was founded in 2002 to revolutionize space technology, with the ultimate goal of enabling people to live on other planets. SpaceX has gained worldwide attention for a series of historic milestones. It is the only private company capable of returning a spacecraft from low Earth orbit, which it first accomplished in 2010. The company made history again in 2012 when its Dragon spacecraft became the first commercial spacecraft to deliver cargo to and from the International Space Station. SpaceX successfully achieved the historic first reflight of an orbital class rocket in 2017, and the company now regularly launches flight-proven rockets. In 2018, SpaceX began launching Falcon Heavy, the world’s most powerful operational rocket by a factor of two. As one of the world’s fastest growing providers of launch services, SpaceX has secured over 100 missions to its manifest, representing over $12 billion on contract. These include commercial satellite launches as well as US government missions. SpaceX’s Dragon spacecraft is flying numerous cargo resupply missions to the space station under a series of Commercial Resupply Services contracts. Dragon was designed from the outset to carry humans to space and will soon fly astronauts under NASA’s Commercial Crew Program. Building on the achievements of Falcon 9 and Falcon Heavy, SpaceX is working on a next generation of fully reusable launch vehicles that will be the most powerful ever built, capable of carrying humans to Mars and other destinations in the solar system.

LitByLeia Our core IP uses a nanostructured light guide plate in a standard edge-lit configuration to produce a custom lightfield illumination of the LCD front-plane. From smartphones to TV screens, the possibilities for the LitByLeia™ experience are endless. Supporting standard applications processors and standard display interfaces. LeiaLoft Engage, immerse and experience. LeiaLoft™ is an exciting platform that offers bespoke content designed for Leia-enabled devices. Experience games and apps like never before and open up a world of alluring beauty. Watch your favorite movies on your device in new depth. With no need for glasses, these movies are made for sharing. Find new ways to experience familiar things: see apps come to life and create images you can move around. Virtual reality becomes real as you mix the two in richer, more immersive ways.

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