Ghost crosses $7M ARR
Independent publishing platform powering 100k+ creators.

Culvert Solo Venture helps businesses transform ideas into impactful solutions through strategy, technology and execution.
Independent publishing platform powering 100k+ creators.
11 teams across MENA join the residency.
Browser automation gets a fully agentic upgrade.
Active mentors in the Culvert network worldwide.
The free, indie alternative to Typeform keeps scaling.
Over 2,400 investors registered in 48 hours.
Independent publishing platform powering 100k+ creators.
11 teams across MENA join the residency.
Browser automation gets a fully agentic upgrade.
Active mentors in the Culvert network worldwide.
The free, indie alternative to Typeform keeps scaling.
Over 2,400 investors registered in 48 hours.
For fourteen years we've worked with one kind of founder — the kind who can build the thing themselves, who reads the paper before the announcement, who'd rather be debugging than networking.
Our job is to give them the surface area they don't have: the operators, the capital, the customers, the second opinion at 2am. Then we get out of the way.
DeepTech: AI, SpaceTech, Quantum Computing, Energy, IoT, Robotics
Enterprise tech: digitising life and work, smart physical systems
Conversational AI, Mobile, Internet, Cloud, Software, Analytics
When you partner with Culvert, you gain more than an investor. You gain a dedicated team committed to nurturing your success.





$150K, 7%, six months — and the network you'd have spent a decade building.
Start your applicationSan Francisco, Chicago, Doha, Tokyo — wherever you build, there's a partner within three time zones.

A hand-matched bench of founders, operators, and partners — the people who've already built the company you're trying to build.








"Culvert didn't teach us how to build — we already knew that. They taught us how to be taken seriously by the kinds of buyers who don't return cold emails."

"Culvert stands out for its unique mix of entrepreneurial DNA and hands-on operational experience. From day zero, they've been co-dreamers and empathetic partners through the highs and lows of scaling."

"With Culvert, capital came with wisdom. Each partner brought deep, multidimensional expertise, strengthening all facets of our startup and playing a pivotal role in our journey."

Technical founders building hard things — infrastructure, security, AI, deep tech. You don't need a product. You do need conviction.
We invest $150K on standard terms, with the option to follow on at the seed and Series A.
Six months hybrid, with three mandatory in-person weeks across our hubs in San Francisco, Chicago, Doha, and Tokyo.
7% — fixed. No negotiation, no special class of stock, no board seat.
We run two cohorts per year. Applications for the Spring 2027 cohort close on 15 October 2026.
The Spring 2027 cohort starts in February. Twelve seats. Always undersubscribed by ambition, oversubscribed by applications.
Apply now