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.

Ecotone Renewables

Climate Tech

Manufacturing

Ecotone Renewables

EMPOWER SUSTAINABLE COMMUNITIES. By making sustainable food and agriculture systems more accessible and prevalent outside the industrial scale. This is why Ecotone is dedicated to building the tools necessary to empower communities to redevelop and grow through sustainable food practices.

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The Marbl Platform

SaaS

The Marbl Platform

The Marbl Platform is a groundbreaking sales tool meticulously crafted for the ductless industry. Revolutionizing the sales process, Marbl allows HVAC professionals to size, design, and price a custom ductless system directly in the homeowner's residence during the initial visit. Built on a foundation of extensive product knowledge and installation expertise, the platform simplifies complex configurations, making them easy, accurate, and fully automated. The platform's interactive nature encourages homeowners to actively participate in the system design, ensuring a tailored solution that meets their unique needs. With its cloud-based delivery, professionals can effortlessly move around the home, capturing design details via the Marbl iPad App or Android tablet. The Marbl Proposal Tool, a standout feature, is customized with the user's unique pricing. It automatically integrates Mitsubishi unit prices based on the system design, allowing for the addition of accessories and overhead costs. The result is a comprehensive, fully priced proposal presented on the spot. Enhanced with e-signature technology, Marbl ensures a seamless sales closure, enabling professionals to secure a signed proposal and email it to the customer before even leaving the premises. As a testament to its efficacy, industry experts like Roger Willett, NEBU Regional Sales Manager-Mitsubishi, laud Marbl as a game-changer in addressing the prevalent 'email a bid' challenge in the HVAC/R industry.

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.

Entrada Therapeutics

Biotech

Entrada Therapeutics

Headquartered in Boston’s Seaport community, Entrada Therapeutics is a growing biopharmaceutical company innovating to transform the treatment of devastating diseases through intracellular therapeutics. We’re establishing a new class of medicines, Endosomal Escape Vehicles (EEV™), with the potential to engage intracellular targets that have long been considered inaccessible and undruggable. Our EEV™ therapeutics are designed to enable the efficient intracellular delivery of a wide range of therapeutics into a variety of organs and tissues with an improved therapeutic index.

Reprise

Software

Reprise

Reprise empowers enterprise sales and marketing teams to build personalized, interactive demos that lead to greater conversions, shorter sales cycles, and more revenue. For sales and marketing leaders who strive to expertly showcase their products, Reprise is the only enterprise-class demo creation platform that fully integrates live demos, guided demos, and product tours to seamlessly show the value of your product at every phase of the buyer's journey. Launched in 2020, Reprise has been recognized as a leader in G2's winter 2023 report of best Mid-Market Content Experience Platforms. Backed by ICONIQ Growth, Bain Capital Ventures, Accomplice VC, and Glasswing Ventures, Reprise is changing how companies deliver demos.

Hydrow

Healthcare

Hydrow

New to the market, fast-growing, incredibly innovative, and already recognized as one of the Boston Globe’s Top Places to Work, Hydrow is the Live Outdoor Reality (LOR)™ rowing machine that delivers on-water experiences at home with workouts led by world-class athletes. Engaging twice as many muscles as cycling (86%, in fact), Hydrow’s interactive technology delivers challenging virtual workouts, including On the Mat offerings like Yoga (Strength, Mobility) and Pilates from gorgeous locations around the world. Hydrow connects members with an entire community of fellow rowers who experience the rivers and waterways of the world together in synchrony. You, too, can be part of that community. At Hydrow, you’ll have the chance to shape a company that is disrupting the fitness industry while creating engaging content unmatched in the marketplace today. Sound exciting? That’s because it is!

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Latest News

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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.