# Siem Offshore Contractors

> Siem Offshore Contractors is a VC fund in Leer backing Energy, Industrial and Wind Energy. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Leer, Germany
- Total investments: 1
- Last investment: Jun 2017
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/siem-offshore-contractors-gmbh/
- Website: https://siemoffshorecontractors.com/

Siem Offshore Contractors is a well-known installer of subsea inter-array cables and provides repair and maintenance services to the global offshore renewable energy market. It employs approximately 100 people. The vessels, Siem Aimery and Siem Moxie, are owned by Siem Offshore Rederi AS.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 1 | 100% |
| Industrial | 1 | 100% |
| Wind Energy | 1 | 100% |
| Renewable Energy | 1 | 100% |
| Energy Management | 1 | 100% |

7 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ideol Offshore | Ideol is a global and pure player in floating foundations for offshore wind and has been engineering and accompanying floating offshore wind projects from conception to installation since 2010. Recipient of numerous innovation and entrepreneurship awards and recognized as one of the most promising cleantech companies, Ideol’s fully integrated teamof over 60 experts and engineers has patented numerous innovations of which its globally acclaimed Damping Pool ®. A prestigious panel of international private and public investors have been supporting the company’s growth since its creation. | $8.8M |  | Jun 06, 2017 |  |

1 of 1 investments shown.

## Co-investors
- [Amundi Private Equity Funds](https://shizune.co/investors/profile/amundi-private-equity-funds) — VC Fund, 1 deal together
- [Conseil Plus Gestion](https://shizune.co/investors/profile/conseil-plus-gestion) — VC Fund, 1 deal together
- [Hitachi Zosen Corp.](https://shizune.co/investors/profile/hitachi-zosen-corp) — VC Fund, 1 deal together
- [Paca Investissement](https://shizune.co/investors/profile/paca-investissement) — VC Fund, 1 deal together

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## Featured in investor lists
- [Renewable Energy Investors in France](https://shizune.co/investors/renewable-energy-investors-france)
- [Renewable Energy VC Funds in France](https://shizune.co/investors/renewable-energy-vc-funds-france)

## FAQ

### What does Siem Offshore Contractors invest in?

Siem Offshore Contractors invests primarily in Energy, Industrial and Wind Energy startups, most often at Funding Round stage. Most of the 1 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Siem Offshore Contractors last invest?

The most recent investment recorded for Siem Offshore Contractors closed in Jun 2017. 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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