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Summer Capital

Venture capital

Charleston · Pre-Seed–Series A · 1 people tracked

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Investment thesis

Summer Capital makes selective, thesis-driven early-stage investments in technology companies operating in niche sectors, including regulatory technology, data, and quantum computing applications. Building on its founder's background as a senior executive and board member across technology, natural resources, and trading, the firm invests directly in early-stage startups across Europe, the United States, and Asia. It supports entrepreneurs through mentorship and board involvement, helping with strategic positioning, capital raising, risk management, and governance.

Source: firm website, verified Jul 31, 2026.

Stage
Pre-Seed–Series A
HQ
Charleston, US
Founded
2013

Team · 1 people

from the firm's website
Jan-Maarten Mulder· Founderin

Founder of Summer Capital and an engineer by training, Mulder previously served as a senior executive and board member across technology, natural resources, and trading. He was a founding partner and board member of the Startupbootcamp IoT & Data Tech accelerator and is a Kauffman Fellow who has invested in early-stage technology companies.

Frequently asked questions

What stage does Summer Capital invest at?
Summer Capital invests at the Pre-Seed, Seed, Series A stages.
What sectors does Summer Capital focus on?
Summer Capital focuses on AI & Machine Learning, Crypto & Web3, Data & Infrastructure, GovTech, Quantum Computing.
Where is Summer Capital located?
Summer Capital is headquartered in Charleston, US.

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