Rainfall Ventures
Venture capitalSan Francisco · Seed–Series A
Investment thesis
Rainfall prioritizes understanding each founding team's unique mission and strengths to help position them as category leaders before market trends materialize. The firm takes a founder-centric approach, focusing on recognizing and developing exceptional teams early in their growth.
Source: firm website, verified Jul 21, 2026.
What they invest in
from 6 of 7 portfolio companiesAI & Machine Learning ×3Enterprise Software ×3SaaS ×3Construction Tech ×2Developer Tools ×2Data & Infrastructure ×1Fintech ×1Healthtech ×1
HQs:United States×4India×1
Investments · 7 tracked
founders shown can be your intro pathCitus is a Postgres extension that enables horizontal scaling of databases by distributing data and queries across multiple nodes. It serves SaaS applications, real-time analytics platforms, and microservices architectures that need to scale transactional and analytical workloads on a single distributed database.
Data & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Sumedh Pathak(Founder/Engineer)
Curri provides logistics and delivery solutions for the construction and industrial materials supply chain. The company serves trades workers and construction professionals who need reliable material delivery rather than spending time sourcing supplies themselves.
AI & Machine LearningConstruction TechLogistics & Supply ChainPropTechSaaSLos Angeles, US
Brian Gonzalez(Founder)inMatthew Lafferty(Founder)inMattBrian
Doxel provides computer vision-based progress tracking software for construction projects, enabling teams to monitor site status and prevent delays and cost overruns. The platform serves general contractors and construction developers across commercial, data center, and industrial projects.
AI & Machine LearningConstruction Tech
Fastgen provides a drag-and-drop platform for building custom APIs and data workflows, with an integrated PostgreSQL database that handles data operations for applications.
Developer ToolsEnterprise SoftwareNew York City, US
Mike Mahlkow(Founder)inDavid Nordhausen(Founder)inConstantin Schreiber(Founder)in
Karbon Card provides financial services for cross-border payments, including foreign payment collection and sending, corporate cards, and cloud billing optimization. The platform serves freelancers, importers, exporters, e-commerce businesses, and marketplace resellers globally.
AI & Machine LearningEnterprise SoftwareFintechSaaSBengaluru, IN
Pei-fu Hsieh(Founder)in
WTHN provides acupuncture, herbal medicine, and acupressure products based on Traditional Chinese Medicine to address stress, pain, and other health concerns. The company operates physical studios and distributes products through retail partners.
HealthtechWellness & FitnessNew York, US
Dr. Shari Auth(Co-founder & Chief Healing Officer)Michelle Larivee(Founder and CEO)
Frequently asked questions
- What stage does Rainfall Ventures invest at?
- Rainfall Ventures invests at the Seed, Series A stages.
- What sectors does Rainfall Ventures focus on?
- Rainfall Ventures focuses on Sector Agnostic.
- Where is Rainfall Ventures located?
- Rainfall Ventures is headquartered in San Francisco, US.
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