# Barclays Sustainable and Impact Banking

> Barclays Sustainable and Impact Banking is a VC fund in London backing Energy and Industrial. See 16 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: London, United Kingdom
- Total investments: 16
- Last investment: Oct 2024
- Lead investor: 44%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/barclays-bank
- Website: https://home.barclays/society/our-position-on-climate-change/supporting-green-financing/

Barclays Sustainable and Impact Banking is a VC fund in London focused on Energy and Industrial. Barclays will invest £175m of its own capital, led by the Principal Investments team, in fast-growing, innovative, environmentally-focused companies whose values are aligned with those of Barclays and which target the goals and timelines of the Paris Agreement. Investments will be strategic to Barclays, its clients and the communities it serves,with clear scalable propositions that deliver both environmental benefits and economic returns.

## Round sizes

| Stage | Round size |
| --- | --- |
| Series A | $8M–$15M |
| Series B | $30M–$51M |
| Venture - Series Unknown | $3.7M–$51M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 3 | 19% |
| Industrial | 2 | 13% |
| Energy Storage | 2 | 13% |
| Renewable Energy | 2 | 13% |
| Environmental Engineering | 2 | 13% |

24 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 4 | 25% |
| Series B | 3 | 19% |
| Venture - Series Unknown | 3 | 19% |
| Funding Round | 1 | 6% |
| Convertible Note | 1 | 6% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United Kingdom | 5 | 31% |
| United States | 2 | 13% |
| Italy | 1 | 6% |
| Ireland | 1 | 6% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| LuxWall | LuxWall is a building materials manufacturer that innovates the design and production of vacuum-insulated glass. The company was founded in 2020 and is headquartered in Ypsilanti, Michigan, United States. | $51M | Series B | Oct 31, 2024 |  |
| Sustainable Ventures | Sustainable Venture provides services in bid writing, commercialization, and acceleration, drawing from our unique experience in building climate tech ventures. They also offer bespoke design and innovation support, assisting early-stage organizations with their new product development and communication design. | $3.7M | Venture - Series Unknown | Nov 06, 2023 |  |
| SaveMoneyCutCarbon | SaveMoneyCutCarbon is uniquely positioned as a full-service efficiency partner to organisations and homes who want to reduce energy, water and carbon to improve sustainability. Clients include major hospitality groups, property ownership groups, distribution centres, theme parks and corporate offices as well as SMEs and private residences. | $6.3M |  | May 15, 2023 |  |
| SaveMoneyCutCarbon | SaveMoneyCutCarbon is uniquely positioned as a full-service efficiency partner to organisations and homes who want to reduce energy, water and carbon to improve sustainability. Clients include major hospitality groups, property ownership groups, distribution centres, theme parks and corporate offices as well as SMEs and private residences. | $6.3M |  | May 15, 2023 |  |
| Energy Dome | Energy Dome develops and deploys long-duration energy storage systems based on a proprietary CO₂-based technology. The company offers the CO₂ Battery, a closed thermodynamic system that stores electricity by manipulating carbon dioxide between its gaseous and liquid states. This process enables storage and dispatch of renewable energy over longperiods without degradation, supporting grid stability and flexibility. The system operates using standard industrial components and does not rely on rare or hazardous materials, making it scalable and resource-efficient. Energy Dome’s solution is designed to be cost-effective and suitable for integration with renewable energy sources like solar and wind. The technology supports the global transition to a decarbonized energy infrastructure by addressing the intermittency challenges of renewables. | $44.1M | Series B | Apr 27, 2023 |  |
| Energy Dome | Energy Dome develops and deploys long-duration energy storage systems based on a proprietary CO₂-based technology. The company offers the CO₂ Battery, a closed thermodynamic system that stores electricity by manipulating carbon dioxide between its gaseous and liquid states. This process enables storage and dispatch of renewable energy over longperiods without degradation, supporting grid stability and flexibility. The system operates using standard industrial components and does not rely on rare or hazardous materials, making it scalable and resource-efficient. Energy Dome’s solution is designed to be cost-effective and suitable for integration with renewable energy sources like solar and wind. The technology supports the global transition to a decarbonized energy infrastructure by addressing the intermittency challenges of renewables. | $44.1M | Series B | Apr 27, 2023 |  |
| HT Materials Science | HT Materials Science provides nanofluid science in thermal systems for commercial and industrial infrastructure. | $15M | Series A | Mar 21, 2023 |  |
| ZeroAvia | ZeroAvia provides hydrogen-electric propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable technologies that can retrofit existing aircraft and support sustainable aviation. By partnering with various stakeholders, ZeroAvia aims to revolutionize the aviation industrywith cleaner, more efficient flight options. | $30M | Series B | Jul 20, 2022 |  |
| Brill Power | Brill Power is a clean-tech platform that develops cutting-edge battery management technology to increase the lifetime performance of lithium-ion battery packs. Founded in 2016, the company is headquartered in Oxford, England. | $10.5M | Series A | Jul 19, 2022 |  |
| Energy Dome | Energy Dome develops and deploys long-duration energy storage systems based on a proprietary CO₂-based technology. The company offers the CO₂ Battery, a closed thermodynamic system that stores electricity by manipulating carbon dioxide between its gaseous and liquid states. This process enables storage and dispatch of renewable energy over longperiods without degradation, supporting grid stability and flexibility. The system operates using standard industrial components and does not rely on rare or hazardous materials, making it scalable and resource-efficient. Energy Dome’s solution is designed to be cost-effective and suitable for integration with renewable energy sources like solar and wind. The technology supports the global transition to a decarbonized energy infrastructure by addressing the intermittency challenges of renewables. | $11M | Convertible Note | Jun 28, 2022 |  |

10 of 16 investments shown.

## Co-investors
- [CDP Venture Capital](https://shizune.co/investors/profile/cdp-venture-capital) — VC Fund, 5 deals together
- [Novum Capital Partners](https://shizune.co/investors/profile/novum-capital-partners) — VC Fund, 4 deals together
- [360 Capital](https://shizune.co/investors/profile/360-capital-partners) — VC Fund, 3 deals together
- [Aramco Ventures](https://shizune.co/investors/profile/aramco-ventures) — VC Fund, 2 deals together
- [DSM Venturing](https://shizune.co/investors/profile/dsm-venturing) — VC Fund, 2 deals together
- [Elemental Impact](https://shizune.co/investors/profile/elemental-excelerator) — VC Fund, 2 deals 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
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

### Similar country
- [CDP Venture Capital](https://shizune.co/investors/profile/cdp-venture-capital) — VC Fund
- [Club degli Investitori](https://shizune.co/investors/profile/club-degli-investitori) — VC Fund
- [Primo Capital](https://shizune.co/investors/profile/barcamper-ventures) — VC Fund

## Featured in investor lists
- [Climate VC Funds in Italy](https://shizune.co/investors/climate-vc-funds-italy)
- [Energy Investors in Italy](https://shizune.co/investors/energy-investors-italy)
- [Energy VC Funds in Italy](https://shizune.co/investors/energy-vc-funds-italy)
- [Sustainability Investors in Italy](https://shizune.co/investors/sustainability-investors-italy)
- [Impact VC Funds in Italy](https://shizune.co/investors/impact-vc-funds-italy)
- [Renewable Energy Investors in Italy](https://shizune.co/investors/renewable-energy-investors-italy)

## FAQ

### What does Barclays Sustainable and Impact Banking invest in?

Barclays Sustainable and Impact Banking invests primarily in Energy, Industrial and Energy Storage startups, most often at Series A and Series B stage. Most of the 16 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Barclays Sustainable and Impact Banking's check size?

Barclays Sustainable and Impact Banking typically joins rounds of $8M–$15M at Series A, $30M–$51M at Series B and $3.7M–$51M at Venture - Series Unknown. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Barclays Sustainable and Impact Banking participates in.

### When did Barclays Sustainable and Impact Banking last invest?

The most recent investment recorded for Barclays Sustainable and Impact Banking closed in Oct 2024. Shizune tracks 16 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co