Imagine H2O Accelerator
Gives early-stage water startups worldwide a zero-equity accelerator with mentors and investor access.
Sixteen years into the program, Imagine H2O has supported 190 startups with an 80 percent survival rate, and its alumni have raised more than $1.3 billion in early-stage funding. The cohort experience has three parts: startup development through a mentor network, virtual training led by industry experts and personalized support; ecosystem access to the Tech Adopters network, the investor network a…
Imagine H2O looks for early-stage water-technology startups worldwide, across areas like treatment, reuse, desalination and monitoring. It wants companies incorporated within the last seven years, still under $5 million in annual revenue and under $10 million raised.
Sign up free to see the funding breakdown
Sign up free to see the industries in scope
Sign up free to see the full eligibility
Sign up free to see where teams trip up
Guides for this application
All guides →Deep Tech Funding Playbook 2026
Data-driven guide for deeptech founders raising capital, covering valuations, investor expectations, fundraising tactics, and a map of 1,200+ deeptech funds.
Write proposalGrant Proposal Abstract and Executive Summary: Examples That Work
Learn how to write a grant proposal abstract or executive summary, what to include, how it differs from a project summary, and how to use examples without copying.
DocumentsLetter of Support for Grant Applications: Template and Examples
Learn how to write and request a letter of support for a grant, with template structure, examples, reviewer logic, and common mistakes.
Similar grants
Browse the directory →R2C Accelerator
🇰🇪KENIA · Kenya
Supports Kenyan researchers and startups in transforming research outputs into commercial products through guided collaboration.
Critical Minerals Accelerator
🇬🇧DSIT · United Kingdom
£25 million to scale up UK extraction, processing and recycling of critical minerals.
Deep Tech Accelerator (DTA)
🇫🇮Business Finland · Finland
Funds young Finnish deep-tech companies commercialising research results through a phased grant-and-loan package.
EIC Accelerator Challenges
🇪🇺EIC · European Union
Funds strategic deep-tech challenge projects in materials, energy, biotechnology, and climate innovation.
DEEPSCALE Climate Tech Accelerator
Hello Tomorrow · Global / Multinational
Supports global climate deep-tech startups scaling internationally via a Chile-based accelerator.
EIC Accelerator — Short Proposal
🇮🇱ISERD · Israel
Supports small and medium firms in early-stage deep technologies through public proposals and commercialization mentoring.