Protostellar

A global investment firm, built for performance.

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About

Protostellar is an investment firm that builds, acquires, and partners with exceptional businesses. We operate with a long-term horizon, combining capital, strategic direction, and ownership into a single platform.

Operating across New York, London, and Melbourne, Protostellar connects global perspective with disciplined execution, positioning businesses and partners for sustainable growth and performance.

Founded by Sebastian Gold, Protostellar was established to do more than manage assets. It's purpose is to transform enterprises into institutions, creating a foundation that compounds value and opportunity over time.

Portfolio

Protostellar partners with world-class talent to build, scale, and incubate solutions that define industries.

brokr Technologies

brokr Technologies

Bolt Solutions

Bolt Solutions

1839 Industries

1839 Industries