# Constantin Overlack

> Constantin Overlack is a seed investor in Zürich backing Real Estate and Renewable Energy. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Zürich, Switzerland
- Total investments: 1
- Last investment: May 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/constantinoverlack/

Constantin Overlack is a seed investor in Zürich focused on Real Estate and Renewable Energy. Constantin Overlack

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Real Estate | 1 | 100% |
| Renewable Energy | 1 | 100% |
| Artificial Intelligence | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| enshift | Streamlining local clean energy for large-scale real estate.Easily simulate, plan and realise your buildings’ journey to energy independence and ‘net zero’. With just an address, instantly discover the financial and environmental returns your building can generate by transitioning to clean energy. Once you’re ready select and contract your idealconstruction and financing partners and reduce transition risks. | $3.9M | Seed | May 05, 2023 |  |

1 of 1 investments shown.

## Co-investors
- [Global Founders Capital](https://shizune.co/investors/profile/global-founders-capital) — VC Fund, 1 deal together
- [Harmony Advisors](https://shizune.co/investors/profile/harmony-advisors) — VC Fund, 1 deal together
- [One Creation](https://shizune.co/investors/profile/one-creation) — VC Fund, 1 deal together
- [Rocket Internet](https://shizune.co/investors/profile/rocket-internet) — VC Fund, 1 deal together
- [Sarona Partners](https://shizune.co/investors/profile/sarona-partners) — VC Fund, 1 deal together

## Similar investors

### Similar industry
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [SOSV](https://shizune.co/investors/profile/sosv) — VC Fund
- [Breakthrough Energy Ventures](https://shizune.co/investors/profile/breakthrough-energy-ventures) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
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### Similar country
- [SICTIC](https://shizune.co/investors/profile/sictic) — VC Fund
- [Zürcher Kantonal Bank](https://shizune.co/investors/profile/z%C3%BCrcher-kantonalbank) — VC Fund
- [Foundation for Innovation and Technology (FIT)](https://shizune.co/investors/profile/foundation-pour-l-innovation-technologique) — VC Fund

## Featured in investor lists
- [Sustainability Angel Investors in Switzerland](https://shizune.co/investors/sustainability-angel-investors-switzerland)
- [Impact Angel Investors in Switzerland](https://shizune.co/investors/impact-angel-investors-switzerland)
- [Real Estate Angel Investors in Switzerland](https://shizune.co/investors/real-estate-angel-investors-switzerland)
- [Energy Angel Investors in Switzerland](https://shizune.co/investors/energy-angel-investors-switzerland)
- [Proptech Angel Investors in Switzerland](https://shizune.co/investors/proptech-angel-investors-switzerland)

## FAQ

### What does Constantin Overlack invest in?

Constantin Overlack invests primarily in Real Estate, Renewable Energy and Artificial Intelligence startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in Switzerland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Constantin Overlack last invest?

The most recent investment recorded for Constantin Overlack closed in May 2023. Shizune tracks 1 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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