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?

Join Discover

Featured Startups

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

Hourwork

HR Tech

Hourwork

HourWork offers a new, better way to hire and retain hourly workers in today’s understaffed world. Our best-in-class recruitment and retention solutions help match employers with top hourly talent, uncover what matters most to employees, and automatically check in at key milestones to prevent early attrition. Our name is rooted in our commitment to celebrate and build the interdependent relationship between employers and employees. We partner with clients who see themselves as skill providers and who have a deep belief that their business is most successful when their employees feel successful, too. This understanding – coupled with our advanced HourWork technology – differentiates our customers from the abundance of employers ready to hire today as an employer of choice.

Details

Tomorrow.io

Software

Climate Tech

Tomorrow.io

Tomorrow.io is the world’s leading Weather and Climate Security Platform, equipping humanity with the weather intelligence needed to thrive and adapt in an era of climate crisis. Through predictive and actionable insights, teams adapt to any weather-related challenge at scale, both in real-time and in advance of business impact. Customers, including Uber, Delta, National Grid, and more, use Tomorrow.io to significantly improve operational efficiency, automate risk management, and customize resiliency plans to meet sustainability goals.

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.

Asimov

Biotech

Asimov

Headquartered in Boston, Asimov's mission is to advance humanity's ability to design living systems, enabling biotechnologies with outsized societal benefit. The company is developing a synthetic biology platform – from cells to software – to design and manufacture next-generation therapeutics, including biologics, cell/gene therapies, and RNA. Founded by bioengineers from MIT and Boston University, the company has raised over $200 million from top institutional investors including Andreessen Horowitz, CPP Investments, Horizons Ventures, and Fidelity Management & Research Company. Asimov builds tools to program living cells. By integrating mammalian synthetic biology, computer-aided design, and machine learning, our multi-disciplinary team is advancing the design and manufacture of biologics and gene therapies.

Silvertree

Consumer

Silvertree

Silvertree is on a mission to inspire the world’s aging population. We are developing a wellness wearable platform that provides the right balance of safety, connection, and style for active older adults. Aging is a personal experience, yet aging with dignity and independence so often includes the caring involvement of family and loved ones. That is why we are designing a stylish, wrist-worn wearable that is built for safety and deeply rooted in human connection, across generations. We aim to be the consumer brand associated with vitality, style, and independence for the growing population of fifty-five million Americans ages sixty-five and beyond.

JellyFish

Software

JellyFish

Jellyfish is the pioneer Engineering Management Platform that enables engineering leaders to align engineering work with strategic business objectives. By analyzing engineering signals and contextual business data, Jellyfish provides complete visibility into engineering organizations, the work they do, and how they operate. Companies like SessionM (A Mastercard Company) and Toast use Jellyfish to optimize the allocation of engineering resources to focus their teams on what matters most to the business.

Details

Go to Directory

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.