Boston Startup Hub

Welcome to the hub for the most groundbreaking and ambitious startups in Boston! Our directory has just landed, want to join us on this exciting journey?

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Featured Startups

Dive into our directory to uncover more innovations that are shaping the city's future.

Ascend Elements

Chemicals

Ascend Elements

Ascend Elements is an independent manufacturer of advanced battery materials using valuable elements reclaimed from spent lithium-ion batteries. Their patented Hydro-to-Cathode® direct precursor synthesis process transforms today’s waste into high-value materials for tomorrow’s EV batteries — a giant step up in sustainability for the entire industry.

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HqO

Real Estate

HqO

HqO is transforming how people connect with each other and the places they work. The HqO Workplace Experience Platform makes it easy for companies and commercial property teams to create modern workplaces through world-class amenities and services that allow people to thrive and do their best work. Active in over 200 million square feet in 25 countries, 57% of the Fortune 100 rely on HqO to enhance their workplace experiences, improve employee satisfaction, and drive operational excellence.

Mainstay

At Mainstay, we believe one conversation can spark a brighter future. Our Engagement Platform makes it easy for colleges and businesses to start and measure conversations that drive action at scale. From our rigorous research methods to our Behavioral Intelligence framework — everything we do is designed to help people take the next step toward achieving their goals.

Activ Surgical

Healthcare

Activ Surgical

Activ Surgical is a digital surgery pioneer, envisioning a future of collaborative surgery, with surgical intelligence empowering scopes and robots to see what humans cannot see. The top surgeons in the world cannot be everywhere, but with Activ Surgical, their data and insights can be. Founded in 2017, Activ Surgical completed the world ￃﾢ￢ﾂﾬ￢ﾄﾢs first autonomous robotic surgery of soft tissue and is building hardware-agnostic surgical software that allows surgical systems to collaborate with surgeons.

Filtered.ai

HR Tech

Filtered.ai

Filtered.AI is a cutting-edge hiring platform that empowers leading brands to harness the power of generative AI in the recruitment process. With a focus on verifying skills and streamlining interviews, Filtered.AI ensures that every candidate is the best fit for the role every time. The platform offers a comprehensive Skills Verification Platform that aids hiring teams in authenticating, assessing, interviewing, and selecting the most suitable candidates for any given role. By leveraging advanced AI solutions, Filtered.AI provides features such as government ID checks for candidate identity verification, AI-powered fraud monitoring, objective technical skill assessments tailored for each role, and AI-assisted interviews that offer richer insights. Furthermore, the platform emphasizes objective data delivery to Diversity, Equity, and Inclusion (DEI) programs, offering anonymous candidate performance reviews and AI-driven insights to minimize bias and enhance DEI outcomes at scale. With a commitment to providing a seamless candidate experience, Filtered.AI boasts a 92% candidate satisfaction rate. Prioritizing data privacy and security, the platform ensures GDPR compliance, strict security protocols, and responsible data management. Serving global customers and candidates across 100+ countries, Filtered.AI is redefining the future of hiring, combining technology and human insight to create a more efficient and unbiased recruitment process.

OfferFit

Software

OfferFit

OfferFit.ai is revolutionizing the marketing landscape by transitioning from traditional A/B testing to AI-driven experimentation. Catering to lifecycle marketers, OfferFit's platform empowers businesses to rapidly accelerate their experimentation processes, ensuring the selection of the best offer for every customer. By integrating diverse messaging, creative, incentive, channel, and timing options, OfferFit autonomously identifies the optimal combination for each individual customer. The platform is designed to harness the full potential of first-party customer data, delivering tangible returns on investment. With testimonials from industry leaders, OfferFit has showcased significant improvements in conversion rates, profits, and overall customer experience. Whether it's a 200% profit boost in contract renewal offers or achieving true 1:1 personalization, OfferFit is the marketer's tool for tangible, data-driven results.

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Latest News

Dive into our blog for the latest trends and success stories from the Boston's startup community.

July 22nd, 2025

Boston Tech Talks: Arnar Larusson from Tyme Wear

In this edition of Boston Tech Talks, Arnar Larusson, co-founder of Tyme Wear, shares how his background in biomechanics and engineering led to building a wearable tech startup—and why Boston’s unique mix of resources, talent, and community made it the ideal place to launch.