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.

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.

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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.

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.

Spoiler Alert

Software

Spoiler Alert

Transforming excess inventory from a problem into a profit. Spoiler Alert is a B2B sales software company helping CPG manufacturers and distributors to manage excess and slow-moving inventory by digitizing the liquidation process. Our goal is to help our customers recover value for products that otherwise would be wasted, allowing them to increase profits, strengthen customer relationships, increase the effectiveness of supply chain managers, and allow for more accurate demand planning. Founded by alumni of MIT, Spoiler Alert works with some of the world's largest companies, including Campbell Soup Company, Danone North America, HelloFresh, KeHE Distributors, Kraft Heinz, Mondelēz, Johnsonville, and Nestlé, along with a growing network of discount channels committed to increasing affordable food access.

Goldcast

Event Tech

Goldcast

Goldcast is a tailored B2B Events Platform that transforms marketing through the effortless hosting of engaging digital and in-person events. Thousands of enterprise B2B marketers, from companies like Adobe, Microsoft, Zuora, and Mailchimp, leverage Goldcast to boost attendance, create captivating experiences, repurpose event content, and capitalize on intent data. Elevate your events with Goldcast for true audience engagement, brand development, and revenue growth; moving beyond basic events to revenue-driving engagement from webinars and product demos to thought leadership panels and in-person dinners.

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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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.