Third Sphere

Investment thesis

Third Sphere focuses on investing in hardware-enabled climate solutions that address systemic challenges in energy, infrastructure, transportation, water, and agriculture. The firm aims to support rapidly scalable technologies for climate change mitigation and adaptation, often serving as the first institutional check for startups.

Focus narrative

Third Sphere invests in early-stage companies, primarily at the Pre-seed and Seed stages, with initial investments ranging from $250,000 to $1 million. The organization focuses on sectors such as affordable and clean energy, sustainable cities and communities, industry innovation, clean water and sanitation, responsible consumption, connected transportation, and climate action. Approximately 80% of their portfolio consists of hardware-enabled solutions, often integrated with software components.

Value beyond capital

Third Sphere adds value to its portfolio companies through a model called 'Seedstrapping,' which combines small equity checks with AI-driven operational support and alternative non-dilutive financing. This approach helps portfolio companies reach $1M ARR or $10M in pre-orders within 6 months, while also facilitating introductions to subsequent lead investors.