# Drees & Sommer AG

> Drees & Sommer AG is a VC fund backing Software and Cloud Data Services. See 2 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Atlanta, United States
- Total investments: 2
- Last investment: Jun 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/drees-&-sommer
- X (Twitter): https://www.twitter.com/drees_sommer
- Website: http://www.dreso.com

Drees & Sommer AG is a company that provides management services on the basis of solid knowledge.

## Contacts

5 contacts available for Drees & Sommer AG. Shizune tracks 3 team members at Drees & Sommer AG. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/drees-sommer-ag?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 1 | 50% |
| Cloud Data Services | 1 | 50% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 50% |
| Series B | 1 | 50% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Gerhard Drees | Founder | 0 | — |
| Hans Sommer | Co-Founder | 0 | — |
| Mathias Stach | Head of Integral Factory Planning | 0 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| aedifion | Aedifion develops tools for the cloud-based processing of operating data from building automation systems. | $19.7M | Series B | Jun 23, 2025 |  |
| aedifion | Aedifion develops tools for the cloud-based processing of operating data from building automation systems. | $13M | Series A | Jan 27, 2023 |  |

2 of 2 investments shown.

## Co-investors
- [BitStone Capital](https://shizune.co/investors/profile/bitstone-capital) — VC Fund, 3 deals together
- [Bauwens Digital](https://shizune.co/investors/profile/bauwens-digital) — VC Fund, 2 deals together
- [Eurazeo](https://shizune.co/investors/profile/eurazeo-com) — VC Fund, 2 deals together
- MOMENI Ventures — VC Fund, 2 deals together
- [Phoenix Contact Innovation Ventures](https://shizune.co/investors/profile/phoenix-contact-innovation-ventures) — VC Fund, 2 deals together
- [World Fund](https://shizune.co/investors/profile/world-fund) — VC Fund, 2 deals together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Drees & Sommer AG invest in?

Drees & Sommer AG invests primarily in Software and Cloud Data Services startups, most often at Series A and Series B stage. Most of the 2 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Drees & Sommer AG?

Public channels for Drees & Sommer AG include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Drees & Sommer AG?

The team at Drees & Sommer AG includes Gerhard Drees (Founder), Hans Sommer (Co-Founder) and Mathias Stach (Head of Integral Factory Planning). The Team section lists each member with their title, investment count and links.

### 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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