Top Tech Startups in New England, United States in 2026

At 4Catalyzer we strive to transform 21st century medicine by solving today’s most challenging problems – across life science research tools, medical devices and therapeutics. We aspire to create significant societal impact and are motivated by the idea that our products will change the lives of people we love. Fundamentally, we are focused on developing new types of sensors and pairing them with deep learning to get a window into biology and medicine that nobody has ever had before. We have audacious plans – but we have an unbeatable team and a founder that has disrupted biomedical science successfully more than once. If you have experience in image reconstruction, mixed-signal IC design, high-speed electronics, nanophotonics, microfabrication, MEMs, biophysics, biochemistry, molecular biology, deep learning, cloud computing, embedded systems, or hold any dual degree with distinction along with computer science please contact us and “put a dent in the universe”.

CourseStorm is on a mission to streamline access to education by offering an impossibly simple way for local education programs to list their classes online, spread the word about their offerings, and process registrations for them, complete with credit card processing. When most people think of education, they think of elementary school, high schools, colleges, and universities. But in the US, measured by enrollments, there are 2x more registrations in classes outside of traditional school. These classes are offered by a variety of providers including after-school programs, hospitals, libraries, museums, non-profits, and internal training performed at large companies. CourseStorm is the fastest and easiest way for these organizations to get up and running.

Madison Reed (madison-reed.com) is an e-commerce start-up with a team of 180+ rock stars in San Francisco. We’re revolutionizing the $50B hair care market using technology (web, mobile, tablet, social) to radically innovate the user experience and business model. Madison Reed is headquartered in SF and backed by top-tier venture capital firms Norwest VP, True Ventures, Maveron and Shea Ventures.

HDS Features Powered by our two proprietary technology platforms - RoboFS and RetailerFS - HDS offers consumers the ability to shop for fresher-than-store groceries and general merchandise from the world’s leading retailers One-stop-shopping for grocery and from 100s of leading brands. Everything - your groceries, clothes, cosmetics, prescriptions, etc. - arrives in a single delivery Fresher-than-store perishables - fruits, vegetables and meats, personalized to your tastes. Seamless returns - just give it back to us on our next visit Eco-friendly packaging. We use reusable totes, resulting in zero cardboard waste. Free delivery scheduled, same-day or 1-hour express

AssemblyAI is a remote-first company building powerful AI models for developers, startups, and enterprises to transcribe and understand their audio data. Our mission is to make production-ready, state-of-the-art AI models accessible to developers and product teams at extremely large scale through simple APIs. Customers, including Spotify, Algolia, Dow Jones, Happy Scribe, BBC, The Wall Street Journal, and NBCUniversal, use our APIs to transcribe and understand millions of videos, podcasts, phone calls, and zoom meetings every day. Our APIs power innovative products like conversational intelligence platforms, meeting summarizers, content moderation, and automatic closed captioning. We're growing at breakneck speed, and recently announced our Series B round. We've raised $63M in total funding, backed by leading investors including Insight Partners, Accel, Y Combinator, Patrick and John Collision (Founders of Stripe), Nat Friedman (Former CEO of GitHub), and Daniel Gross (Entrepreneur & Investor in companies including GitHub, Uber & SpaceX). Our team is made up of problem solvers, innovators, and top AI researchers from companies like DeepMind, Google Brain, Meta AI, Amazon and Apple. They conduct cutting-edge AI research and develop novel algorithms and techniques to continually push the state-of-the-art in speech recognition and NLP. Join our world-class, remote team and help us build an iconic deep learning company!

Postman is the leading API platform, used by 17 million developers and 500,000 organizations worldwide. Postman simplifies each step of the API lifecycle and streamlines collaboration so developers and teams can create better APIs—faster. Postman is a global company with headquarters in San Francisco, a large office in Bangalore (where the company was founded), and distributed team members on four continents. Postman is privately held, with funding from Insight Partners, CRV, Nexus Venture Partners, Coatue, Battery Ventures, and BOND. Learn more at postman.com or connect with Postman on Twitter via @getpostman.

Vend is a SaaS payments company leveraging AI and automation to elevate parking into a first-class mobility vertical

ProdPro offers unique, actionable data intelligence in a modern, purpose-built software platform. Unlike other services that focus solely on data, ProdPro is building a suite of tools to help crew, vendors and producers to maximize the value they get from the solution. For crew, this means accelerated careers and staying connected with their community. For vendors, this means increased revenue, predictable sales, and better growth strategies. For production companies, this means hiring the best talent and services for the project.

Force Factor is a Boston-based vitamins and supplements brand working to improve global health for a better future. We develop, market, and sell science-backed nutritional solutions that help people around the world change their lives and unleash their potential. Whether for physical or mental performance, we have formulas for every goal.