How Family Offices Can Fund Europe’s Next Generation of AI-for-Green Innovation

European venture money is chasing AI harder than ever and backing away from climate tech at the same time. Start-ups using the first to solve the second are caught in the middle. Blackwell Harris is assembling a programme of grants and hands-on support to reach them.

AI took 31% of all European venture funding in 2025 and became the continent’s dominant vertical for the first time. In the first quarter of this year, according to Sifted’s tally, its share passed 50%. Over the same stretch, climate tech moved in the opposite direction, sliding to roughly 18% of European venture dollars from 32% in 2023.

The picture inside cleantech is starker still. Cleantech for Europe put EU venture and growth investment at €1.3 billion in the first quarter of 2026, against a 2024 quarterly average of €2.2 billion. Deal volume shrank to 62, the lowest quarterly count since 2017.

Those two trends converge on a single group of companies. Start-ups applying machine learning to industrial emissions or to grid operations tend to look too technical for generalist AI investors and too software-led for funds built around hardware and infrastructure. They sit between the two pools of capital.

That gap is what Blackwell Harris is trying to address with a European AI-for-Green funding programme now in development.

What The Programme is Designed to Do

The initiative will support early-stage European companies using artificial intelligence to cut emissions, improve energy efficiency, build cleaner infrastructure or make communities more environmentally resilient. It will also look at a category that gets far less attention from impact investors: technologies that shrink AI’s own energy and water footprint.

Blackwell Harris is helping to develop and coordinate the programme, and it is one contributor among several. The lead family behind it has chosen to remain anonymous. The structure assumes a coalition of funders in place of a single balance sheet.

“Families come out of a values exercise with climate near the top and AI right behind it, then ask us where the two meet in their portfolio,” said Brian Lockwood, Partner at Blackwell Harris. “We had good answers for each on its own and nothing convincing for the overlap. So we set out to build one.”

The programme combines four instruments in one package: grant funding, patient equity, hands-on investment-readiness support and access to a bench of specialist advisers covering energy markets, procurement, measurement and regulation.

Why Grants Come First

Non-dilutive money does something venture equity cannot. It pays for the unglamorous work that determines whether an AI-for-green company is fundable at all.

Take a start-up using reinforcement learning to optimise district heating. Before anyone can price the equity, someone has to establish a credible baseline and then run a pilot with a utility that has no commercial incentive to move quickly. That work can take eighteen months and produces evidence instead of revenue, which is precisely the stretch that equity investors tend to avoid and precisely the stretch a grant is built for.

Europe already has substantial non-dilutive infrastructure. The European Innovation Council deploys well over €1.5 billion a year, and Horizon Europe consortia routinely run into eight figures. But the application cycles are long and the reporting burden is heavy for a six-person team. Family capital can move in weeks instead of quarters, and it can be used to make a company grant-ready in the first place.

Patient equity then does the second job. European climate tech has a well-documented survival problem at the point where prototypes become products: only 14.7% of European climate tech start-ups that raised seed between 2010 and 2020 reached Series B, against 24.5% in the US, according to analysis by World Fund. That single statistic explains why the early-stage share of climate funding keeps thinning out. Sightline data cited by Heatmap put it at under 8% of the total last year, down from around 20% in 2021.

The Case for The Theme Itself

The macro argument is not subtle. The IEA reported that global data centre electricity demand rose 17% in 2025, with consumption from AI-focused facilities up 50%. Its base case has data centres reaching roughly 945 TWh by 2030, close to double the 2024 figure.

The regulatory direction in Brussels points the same way. The Cloud and AI Development Act, part of the European Technological Sovereignty Package, ties support for expanded data centre capacity to requirements covering energy and water efficiency. A ratings scheme covering efficiency and waste-heat reuse has been adopted, with the first labels expected in 2027. Companies that can measurably reduce the resource intensity of compute are moving from a nice-to-have into a compliance market.

On the other side of the ledger, the claims need handling with care. The widely quoted figure that AI could mitigate 5% to 10% of global greenhouse gas emissions by 2030 originates in a Google-commissioned BCG report, and a study published earlier this year by Beyond Fossil Fuels and others found that only about a quarter of 154 corporate climate claims about AI cited published academic work. Peer-reviewed estimates are more modest. The IEA has suggested AI could reduce global emissions by up to 5% by 2035, largely by accelerating innovation in the energy sector.

Lockwood is blunt about what that means for diligence. “A measured baseline and an independently verifiable reduction are the two things we want to see on the table,” he said. “The screening for this programme starts with the evidence and works forward from there.”

Why This Suits Family Offices Specifically

Three structural features make family capital unusually well-matched to the problem.

The first is time. A ten-year fund with a five-year investment period cannot comfortably back a company whose first utility contract lands in year four. A family balance sheet can.

The second is the ability to blend. Foundations and family offices can put charitable money next to commercial money in the same capital stack, using grants to de-risk the technical work and equity to capture the upside. Ceniarth and others have shown how far blended structures can be pushed when a single decision-maker controls both pots.

The third is convening power. Families with operating businesses in logistics, real estate, manufacturing or agriculture are exactly the customers these start-ups need. An introduction to a portfolio company’s facilities director is often worth more than the next €250,000.

The appetite is measurable. UBS’s Global Family Office Report 2026, drawing on 307 offices with average net worth of $2.7 billion, found 60% planning changes to strategic asset allocation over the next twelve months, the largest share in the survey’s history, with AI now a dominant thematic focus. Separately, Foresight Group research with Campden Wealth found 55% of UK family offices already allocating to natural capital strategies.

What has been missing is a route between those two interests.

What Advisers Should Watch

For private-wealth advisers, the practical question is where an AI-for-green allocation sits. It is not a satellite ESG sleeve. Most of these deals are early-stage venture with venture-scale loss rates, and they should be sized accordingly.

Two risks deserve particular attention. The first is measurement. Emissions savings attributed to a software layer are notoriously difficult to isolate from other changes in a client’s operations, and any programme that cannot attribute credibly will eventually face the greenwashing charge. The second is rebound. Efficiency gains that lower the cost of an activity frequently increase how much of it gets done, which is the entire history of data centre power consumption in one sentence.

The Blackwell Harris programme is being built with those objections in mind, according to Lockwood, with verification standards set in advance of any commitment.

Whether it becomes a template depends on how many other families join. The underlying logic, though, is hard to argue with. Europe has the founders and it has the regulatory pull. What it lacks is capital patient enough to wait for the pilot data, which is the one thing family offices have always been able to supply.

Blackwell Harris is an impact-first multifamily office operating from Antwerp and Chicago, working with families across Europe and the United States.