Best Angel Syndicates for GreenTech Startups (UK)

November 26, 2025
Last updated

Navigating the initial fundraising stages for a GreenTech startup in the UK can feel like trying to grow a seedling in uncertain soil. You're pioneering solutions for a sustainable future, but securing the crucial early capital to cultivate your vision often presents its own unique set of challenges. It's a journey many founders embark on, often without a clear guide, facing a fragmented ecosystem of potential support.

Angel Networks exist precisely to provide that guidance, offering a structured approach to what can otherwise be a chaotic process. For early-stage GreenTech ventures in the UK, these networks are becoming increasingly vital. The GreenTech sector is experiencing significant growth and investment, driven by the urgent need for innovative climate solutions. However, this also means the competition for funding is sharper than ever. The right angel network can be the decisive factor between a fundraising round that stalls for months and one that closes swiftly with investors who truly understand the nuances of sustainable technology.

What exactly constitutes an angel network, and why does it hold such importance for your GreenTech startup? An angel network is essentially a collective of high-net-worth individuals who pool their resources, expertise, and connections to invest in promising early-stage companies. For a GreenTech startup, this means access to investors who are often seasoned entrepreneurs or industry veterans. They offer more than just capital; they provide invaluable mentorship, strategic guidance, and a network that can open doors to further opportunities. In the current UK market, where early-stage deal volume has experienced some fluctuation, the strategic importance of connecting with angels who grasp the industry's long development cycles and impact metrics cannot be overstated.

When considering angel networks, you should evaluate their track record, sector focus, and the level of engagement they offer. Some networks specialise exclusively in GreenTech, bringing deep industry knowledge and a relevant investor base. Others may have a broader remit but a strong interest in impact investing. Understanding these distinctions will help you align with a network that not only provides funding but also becomes a true partner in your growth.

The right angel network can be a catalyst for faster, smarter fundraising, providing the resources and expertise to help your GreenTech venture thrive and make a tangible difference.

Pampos Ventures

Investor Syndicate

London, UK

We are an angel investment syndicate.

Guided by the Triple Bottom Line (profit, people and planet), we support UK and European entrepreneurs solving big problems in Education, Healthcare and Sustainability (what we like to refer to as ‘Quality of Life’ pillars).

We do that by focusing on pre-seed and seed-stage technology companies, where the potential for significant returns is greatest. But HOW and WHERE we generate those returns matters deeply to us.

We are more than just providers of capital. We only invest where we can add value. Our investment philosophy is fully aligned with the ‘Triple Bottom Line’ framework, and as such, we measure success in three key areas: profit, people, and planet.

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Raspberry

Investor Syndicate

London, UK

Raspberry is Europe's fastest growing investment syndicate, bringing together serial-entrepreneurs, corporate executives and angels to invest in high impact European AI and Climate Tech technology companies.

We are transforming the fundraising and investing experience for the founders and private investors in these core verticals. Each month, we review hundreds of investment opportunities and invite Raspberry Syndicate members to join us in investing in 1-2 cherry-picked startups alongside top-performing VC funds.

Our vision is to be the most founder- and private-investor-friendly ClimateTech/AI syndicate in Europe with at least €100m in virtual dry powder deployed annually.

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Deepbridge Syndicate

Investor Syndicate

Chester, UK

Deepbridge only invests in sectors in which our team has experience. By understanding where, how and why our investee companies operate, we have a better understanding of how to support, mentor and manage those businesses.

We have a unique team of sector luminaries who source review and manage investment opportunities, across the technology, life sciences and renewable energy sectors.

From seed stage, through commercialisation and growth funding, Deepbridge aims to work with investee companies throughout their funding journey in order to ensure that they have the very best opportunity to succeed and ultimately aim to provide our investors with an optimum return.

Investments in unquoted companies carries high risks and investors could lose all funds invested. Investors should not invest if capital is required in the near term. No established market exists for the trading of shares in private companies, making it difficult to sell shares. The value of tax reliefs depend on personal circumstances and may be subject to change in the future. The availability of tax reliefs depends on the Company invested in maintaining its qualifying status. Past performance is not a guide to the future performance of an investment, and investors are encouraged to take independent legal, tax and financial advice before considering an investment.

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4
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