Best Angel Syndicates for ClimateTech Startups (UK)

November 26, 2025
Last updated

Navigating the initial fundraising rounds for a ClimateTech startup in the UK can feel like trying to build a sustainable future with fragmented resources. You have an innovative solution, but securing the crucial early capital and finding investors who truly understand the complexities and long-term vision of ClimateTech can be a significant hurdle.

In the current UK market, where investment in ClimateTech is accelerating due to urgent environmental needs and supportive government policies, competition for funding is also intensifying. Identifying the right Angel Syndicates can be the decisive factor in whether your fundraising efforts gain momentum or stagnate. These groups offer more than just capital; they provide strategic insights, valuable connections, and a wealth of experience from seasoned investors who are often passionate about environmental impact.

What exactly are Angel Syndicates, and why do they hold such importance for your early-stage ClimateTech startup? An angel syndicate is a private group of accredited investors who agree to invest together in a particular project. For ClimateTech ventures, these syndicates are particularly vital because they often bring specialist expertise in areas like renewable energy, sustainable agriculture, and carbon capture. Unlike individual angel investors or generalist networks, angels in these syndicates are often deeply committed to the sector's mission, offering patient capital and a willingness to support longer development cycles. They can provide invaluable feedback on your technology, market fit, and regulatory challenges, helping you refine your strategy and accelerate your growth.

When evaluating Angel Syndicates for your ClimateTech startup, consider their track record in the sector, the specific types of technologies they’ve previously invested in, and the level of engagement their angels offer beyond just financial input. Some syndicates focus on particular sub-sectors within ClimateTech, while others might have a broader remit. Understanding these distinctions will help you target those most aligned with your venture’s stage and specialisation. The right Angel Syndicates will not only bridge your funding gap but will also serve as a catalyst for faster, smarter fundraising, connecting you with the expertise and networks needed to drive genuine impact.

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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