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Venture Builder

Rainbow Jet

Prague, Czech Republicrainbowjet.eu

Rainbow Jet is a venture capital firm based in Prague, the Czech Republic, investing in Software & Developer Tools, Finance & Blockchain and AI, 7 tracked investments.

7
Investments Tracked

About Rainbow Jet

Operating out of Prague, the Czech Republic, Rainbow Jet is a venture capital firm. Our dataset covers 7 investments involving Rainbow Jet.

Recorded deals span Software & Developer Tools, Finance & Blockchain, AI and Fintech. Coverage extends to 5 sectors in total. Investments are concentrated at Pre-Seed.

Rainbow Jet is a Czech startup studio founded by serial entrepreneurs that builds and funds pre-seed B2B software startups, investing EUR 50-100K in cash and studio services (product, engineering, growth, talent, PR, fundraising) for a 10-20% stake, then helping them raise from larger VCs.

Investment Focus

Stage Focus
pre-seed
Sectors
Software & Developer ToolsFinance & Blockchainaifintechsaas

Investment Thesis

Rainbow Jet is a Czech startup studio founded by serial entrepreneurs that builds and funds pre-seed B2B software startups, investing EUR 50-100K in cash and studio services (product, engineering, growth, talent, PR, fundraising) for a 10-20% stake, then helping them raise from larger VCs.

Team

Jáchym PetříkCo-founder, serial entrepreneur, startup investor and attorney
Jaroslav MatyášCo-founder, communication and PR
Adam ZelfelCo-founder, tech (founded a blockchain software house)
Michal BílekCo-founder, business development and online marketing
Ondřej ŽáčekCo-founder, CEO of a design-driven software studio
David ProkopOperations and business development
Oliver StaehelinConsulting, venture capital and industrial project development

Explore Rainbow Jet's full profile on Brouky

Portfolio companies, co-investors, AI match scores, and deal flow signals.

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