News, Events & Resources

Sustainable Ventures & Greenbackers Climate Investment Showcase

Wednesday, 2 July 2025, 10:00-19:30 GMT (incl. lunch & drinks reception)

@ County Hall, London

Greenbackers, in partnership with Sustainable Ventures, returned on July 2nd, 2025 with the flagship Climate Investment Showcase—a high-impact event bringing together some of the most innovative ClimateTech ventures and the investors ready to scale them.

For Investors

Connect with a pre-vetted pipeline of investment-ready ventures, gain exposure to cutting-edge innovation, and network with industry peers. Greenbackers’ Showcase events are known for surfacing high-quality deal flow and enabling deeper engagement before and after the event through our extended support model.

For Founders

Pitch your venture to a room of serious, sector-focused investors, gain visibility, and access 6-12 months of fundraising support. This includes warm introductions to hundreds of active funds, such as Venture Capital and Corporate Venture Firms, Family Offices, Impact Funds, EIS/SEIS and VCTs (UK only), Government and Development Funds, and Angel Syndicates. This is more than a pitch day—it’s the launchpad for your next raise.

Join Greenbackers as we host our next bi-annual Investment Showcase in London.
Sponsored by Sustainable Ventures.

Together, we’re turbocharging cleantech investment.

VC Funds, Corporate Funds, Family Offices, Impact Funds and Angel Syndicates will be joining us to see some of the most unique, cutting edge, investible deals to be found in the market today: Greenbackers Showcase of investment-ready cleantech ventures seeking Late Seed, Series A or B round funding.

During our speed-dating session, deal presentations, breakouts and the drinks reception, there will be ample time for entrepreneurs and investors to meet and interact. This is a great way to engage with market-ready cleantech businesses in a highly constructive environment. See some testimonials about the day from previous presenters, funds and sponsors here!

The attendee list was so very impressive and the buzz, in the event, was magnetic. We thoroughly enjoyed listening to the pitches, a very strong cohort brimming with innovation, passion and exciting growth potential” Henry Willcocks, Director Corporate Broking, Shore Capital

What to Expect on the Day:

1:1 Speed-Dating for Investors & Ventures

Back by popular demand, we kick off the day with pre-scheduled speed dating sessions, where selected funds meet curated founders in a fast-paced, focused format. These one-to-one meetings are pre-arranged based on mutual interest, allowing for high-quality, productive engagement. Note: Speed dating slots are limited to the first 20 funds who register, so book early to secure your place.

Live Pitch Sessions

Our hand-picked cohort of 20+ ventures, selected for their innovation, impact, and commercial traction, will deliver concise, 4-minute pitches in two exciting afternoon segments. Expect standout ideas from late seed to Series B stage across ClimateTech, CleanTech, Circular Economy and more.

Expert-Led Panel Discussion

We’ll host a topical panel session featuring key voices in the climate finance ecosystem. You’ll gain insights into market trends, investor priorities, and what’s shaping the future of sustainable innovation. Speakers to be announced soon.

Networking Opportunities

With 250+ delegates expected, including 140+ investment funds, there’s ample time to build new relationships and deepen existing ones. Join us over a networking lunch and wrap the day with an informal drinks reception.

Agenda for 2 July 2025

10:00Registration opens for confirmed Speed Dating Participants
10:30
12:30
Speed Dating session for Funds and Greenbackers Partners to meet with preselected delegates. Lively, fun and productive.
For pre-registered funds only!
12:00Registration opens for Clean Tech Pitching
12:30Break for Networking Lunch
13:30Pitch program starts: Welcome, intros, program recap & agenda by Andrew Smith, Greenbackers Partner
13:45Venture Cohort 1 pitches (9 x 4 minute pitches)
14:45Thought piece by Mark Hannigan, Greenbackers Partner
15:00Break for Networking
15:30Panel discussion “Getting deals done in the midst of chaos” with Greenbackers Andrew Smith, Innovate UK, Ryan​, OS Impact Investments, Energy Tech Nexus
16:00Venture Cohort 2 pitches (9 x 4 minute pitches)
17:00Wrap-up by Robert Hokin, Greenbackers Managing Partner
17:15
19:30
Networking Drinks reception

Presenting Ventures

Want to engage with any of these companies?

  • C-Power (USA) C-Power develops innovative ocean wave energy devices that provide renewable energy solutions, from low-power offshore systems enabling connectivity at sea to large-scale systems supporting grid decarbonization. Series B+, $10-15m.
  • Global OTEC Resources (England) Global OTEC Resources is commercialising modular, floating OTEC systems that convert ocean heat into clean, baseload power; designed for rapid deployment using existing offshore supply chains. Seed, £3m.
  • HGP (Scotland) Hydrogen Green Power decarbonises industrial CO₂ by combining it with green hydrogen to produce e-fuels using a modular electrolysis and methanation system (IHMS). Series A, £2m.
  • Horizon Bridge (England) Horizon Bridge develops advanced offshore wind cable monitoring solutions, bridging the gap between technology and insurance. Seed, £3.5m.
  • HyWaves (England) HyWaves is developing advanced power electronics to boost hydrogen production efficiency for energy companies. Seed, £2.2m.
  • Inition (England) Inition Energy has developed electrode production technology to make battery production more profitable and sustainable. Seed, £5m.
  • Inyanga Marine Energy Group (England) Inyanga MEG has developed Hydro Wing, a full, unique, and turn-key Tidal Energy solution for offshore renewable projects. Series B, £5m. 
  • IR Power (Scotland) IR Power is transforming industrial energy consumption with its electricity recycling technology, offering businesses an immediate and cost-effective path to greater efficiency and sustainability. Series A, £3.8m.
  • Kardinia Energy (Australia) Kardinia Energy has developed lightweight, flexible, and fully recyclable printed solar films using carbon-based inks—now being showcased on Coldplay’s US and UK tour as their first client—offering a scalable, low-cost alternative to traditional solar panels. Seed, £2.5m (AUS $5m).
  • Meatly (England) From a single sample of cells, Meatly can create an infinite amount of healthy, sustainable meat without harming animals—using 99% less land, 99% less water, 75% fewer CO₂ emissions, and no antibiotics. Meatly sold the world’s first cultivated pet food. Series A, £15m.
  • Modular Solar (England) Patented ground-mounted, modular and portable solar unit that can be deployed anywhere and can be moved at will. Seed, £500k.
  • Ocean Information Services (Scotland) OIS pioneers Industry 4.0 in offshore energy, using unique IP in Subsea IIoT, edge ML, and autonomous systems to accelerate offshore asset integrity and improve profitability and safety. Series A, £2.5m.
  • Proteum Energy (USA) Proteum Energy produces low-to-negative Carbon Intensity (CI) renewable hydrogen, Renewable Natural Gas (RNG) and methanol using proprietary reformer technology. Series B, £16m.
  • Qualus (England) Qualus uses patented polymer technologies to reduce chemical and water use at leather tanneries. Series A, £5m.
  • Recycl8 (Scotland) Recycl8 recycles 100% of Incinerator Bottom Ash Aggregate into a low-carbon, high-performance concrete solution, collaborating with energy-from-waste and construction partners to reduce global CO2 emissions. £3.5m.
  • Sundew BIO (Denmark) Sundew has environment friendly biotechnologies to target and reduce water-borne pests, diseases, and invasive species. Series A, £5m.
  • Triton Anchor (USA) Triton Anchor has developed a low cost, silent, efficient, flexible anchoring system for small-to-large-scale offshore wind farms, for any mooring configuration from catenary to tension leg in all soils. £10m.
  • Zoex (Scotland) ZOEX is developing a commercially viable wave energy device to replace diesel generators used offshore. Seed, £5m. 

Want to engage with any of these companies?

Important Note: This event is for the entrepreneurs selected by Greenbackers and invited, active investors only. Greenbackers reserves the right to de-select and disinvite any delegates that may not fit this description at their discretion. 

View the highlights from our last event below—it really captures the energy of the day!