# Buckthorn Partners

> Buckthorn Partners is a VC fund in London backing Energy and Manufacturing. See 4 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: VC Fund
- Location: London, United Kingdom
- Total investments: 4
- Last investment: Aug 2026
- Lead investor: 25%
- Last updated: Sep 2026
- LinkedIn: https://www.linkedin.com/company/buckthorn-partners/
- Website: https://buckthornpartners.com/

Buckthorn Partners is a VC fund in London focused on Energy and Manufacturing. Buckthorn makes investments in industrial companies that offer goods and services that promote the development and integration of renewable energy sources, reduce emissions, increase energy efficiency, and upgrade the current energy infrastructure.

## Contacts

5 contacts available for Buckthorn Partners. Shizune tracks 2 team members at Buckthorn Partners. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/buckthorn-partners?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 2 | 50% |
| Manufacturing | 2 | 50% |
| Recreation | 1 | 25% |
| Recruiting | 1 | 25% |
| Oil and Gas | 1 | 25% |

14 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 50% |
| Private Equity | 1 | 25% |
| Venture - Series Unknown | 1 | 25% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United Kingdom | 2 | 50% |
| France | 1 | 25% |
| The Netherlands | 1 | 25% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Mark Chaichian | managing partner | 0 | https://shizune.co/investors/profile/mark-chaichian |
| Mark Chaichian | managing partner | 1 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Voltheia | Voltheia is building the first unified European standard platform for low-voltage electric infrastructure, the platform acts as a consolidating force to integrate regional manufacturers into one unified brand and standard. Voltheia focuses on building a secure, customer-centric, and data-led supply chain to support global electrification and energyupgrades. | $5.4M | Seed | Aug 28, 2026 |  |
| Cardo Group | Cardo Group delivers building maintenance services to local authorities, social housing providers and their residents. |  | Seed | May 07, 2023 |  |
| Coretrax Technology | Coretrax Technology's Research Development Team is constantly at work developing new and creative products to fulfill the needs of all our valued customers. Coretrax strives to supply the oil industry with up-to-date solutions to improve time efficiency, maximize cost reduction, reliability, damage prevention, and technological advancement. |  | Private Equity | Dec 12, 2018 |  |
| Paradigm Group | Paradigm Group is an oil and gas company that offers drilling enhancement, well intervention, fire protection, and other energy services. | $7.7M | Venture - Series Unknown | Feb 16, 2015 |  |

4 of 4 investments shown.

## Co-investors
- [Souter Investments](https://shizune.co/investors/profile/souter-investments) — VC Fund, 2 deals together
- [Columbia Threadneedle Investments](https://shizune.co/investors/profile/columbia-threadneedle-investments) — VC Fund, 1 deal together
- [Saudi Aramco Energy Ventures](https://shizune.co/investors/profile/saev) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund

## FAQ

### What does Buckthorn Partners invest in?

Buckthorn Partners invests primarily in Energy, Manufacturing and Recreation startups, most often at Seed and Private Equity stage. Most of the 4 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Buckthorn Partners?

Public channels for Buckthorn Partners include LinkedIn 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 Buckthorn Partners?

The team at Buckthorn Partners includes Mark Chaichian (managing partner) and Mark Chaichian (managing partner). 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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