AcceleratorColaborativo, based in Mexico City, focuses on promoting sustainable development through entrepreneurship and impact investing in seed and early-stage tech startups.

The Engine is a nonprofit incubator and accelerator based in Cambridge, Massachusetts, supporting early-stage Tough Tech companies. It provides…
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Third-party rankings
| Ranking | Edition | Position | Since last edition | Trust | What it measures |
|---|---|---|---|---|---|
| 2026 | #18 | No prior edition | D | Performance, Prestige | |
| 2022 | #48 | Down 5 | C | Activity, Performance, Prestige |
The Engine is a nonprofit incubator and accelerator founded in 2016 and based in Cambridge, Massachusetts. It is dedicated to supporting early-stage Tough Tech companies by providing critical infrastructure, educational programming, and access to a network of stakeholders including entrepreneurs, investors, and academia. The organization aims to help these companies transition from research breakthroughs to commercial impact.
The Engine focuses on Tough Tech, which encompasses transformational technologies that address significant global challenges through interdisciplinary approaches. The sectors of interest include applied AI and machine learning, computing, mobility, autonomous systems, energy, natural resources, biotechnology, life sciences, food and agriculture, quantum computing, carbon capture, manufacturing, climate, materials, and water/oceans. The Engine provides resources, infrastructure, and programming to assist companies at various stages of development.
The Engine provides critical infrastructure, educational programming, and access to a network of stakeholders including entrepreneurs, investors, and academia to support early-stage Tough Tech companies.
Startups must be in the early stages of development, specifically in the pre-seed, seed, or seed-plus phases. They should focus on Tough Tech sectors and demonstrate a commitment to addressing global challenges.
Interested companies can apply through The Engine's website. The application typically requires a detailed business plan and information about the technology being developed.
The Engine invests between $250,000 and $2 million in startups, with specific equity terms not publicly disclosed. Companies also gain access to follow-on funding opportunities.
The program is primarily in-person, held at The Engine's facilities in Cambridge, Massachusetts. It includes mentorship, workshops, and networking events.
The Engine focuses exclusively on Tough Tech, providing specialized resources and a strong network tailored to companies addressing significant global challenges.
Success is measured by the progress of resident companies, including funding raised, technological advancements, and successful commercialization of their innovations.
From public sources
The Engine says it connects Resident companies with grants, corporate partnerships, and other capital sources.
Source: The Engine ResidencyThe Engine advertises fully managed wet lab, engineering, and office infrastructure for Tough Tech teams.
Source: The Engine homeThe Engine identifies climate change, human health, and advanced systems as interconnected focus areas.
Source: Mission | The EngineThe Engine lists its facility at 750 Main Street, Cambridge, MA 02139.
Source: The Engine ResidencyThe Engine describes its nonprofit mandate as supporting Tough Tech companies and ecosystems nationwide.
Source: Mission | The EngineThe Engine says it formally became a 501(c)(3) nonprofit in 2025.
Source: Mission | The EngineSuperscout Pro
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