UK Cleantech startup funding

UK Cleantech startups have raised €2.32bn across 180 rounds since January 2023, 3.4% of the money raised by all UK startups in that time (debt excluded).

In 2026 so far, 28 rounds have raised €685m, with a median round of €7.4m.

The largest round in the data is CuspAI's €394m Series B in July 2026.

Most of the money goes to companies in London, Cambridge, Wakefield.

The most active investors are Clean Growth Fund, Lowercarbon Capital, Carbon13.

Total raised

€2.32bn

since January 2023

Rounds

180

12 undisclosed

Companies

150

raising at least once

Median round

€5m

of rounds with an amount

Money raised each quarter

€m
Money raised each quarterMoney raised each quarter: 16 rows. Highest: Q3 26 (€443m). Lowest: Q4 26 (€21.4m).Q1 23: €184m. Rounds: 19Q2 23: €168m. Rounds: 18Q3 23: €190m. Rounds: 20Q4 23: €165m. Rounds: 7Q1 24: €102m. Rounds: 16Q2 24: €206m. Rounds: 17Q3 24: €78.4m. Rounds: 13Q4 24: €75.3m. Rounds: 12Q1 25: €281m. Rounds: 10Q2 25: €43.8m. Rounds: 7Q3 25: €88.2m. Rounds: 4Q4 25: €55m. Rounds: 9Q1 26: €53.1m. Rounds: 6Q2 26: €168m. Rounds: 10Q3 26: €443m. Rounds: 9Q4 26: €21.4m. Rounds: 3Q1 23: €184m. Rounds: 19Q2 23: €168m. Rounds: 18Q3 23: €190m. Rounds: 20Q4 23: €165m. Rounds: 7Q1 24: €102m. Rounds: 16Q2 24: €206m. Rounds: 17Q3 24: €78.4m. Rounds: 13Q4 24: €75.3m. Rounds: 12Q1 25: €281m. Rounds: 10Q2 25: €43.8m. Rounds: 7Q3 25: €88.2m. Rounds: 4Q4 25: €55m. Rounds: 9Q1 26: €53.1m. Rounds: 6Q2 26: €168m. Rounds: 10Q3 26: €443m. Rounds: 9Q4 26: €21.4m. Rounds: 3Raised (€m)Rounds (line)€0m€200m€400m€600mQ1 23Q2 23Q3 23Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26Q4 26€443m
Show the data as a table
LabelValue (€m)Rounds
Q1 23€184m19
Q2 23€168m18
Q3 23€190m20
Q4 23€165m7
Q1 24€102m16
Q2 24€206m17
Q3 24€78.4m13
Q4 24€75.3m12
Q1 25€281m10
Q2 25€43.8m7
Q3 25€88.2m4
Q4 25€55m9
Q1 26€53.1m6
Q2 26€168m10
Q3 26€443m9
Q4 26€21.4m3

Top cities by money raised

€m
Top cities by money raisedTop cities by money raised: 10 rows. Highest: London (€871m). Lowest: Bristol (€26.5m).London: €871m. 94 roundsCambridge: €664m. 12 roundsWakefield: €118m. 1 roundCranfield: €106m. 2 roundsCambridgeshire: €74.9m. 1 roundLincolnshire: €68.9m. 2 roundsOxford: €65.8m. 6 roundsCornwall: €62.2m. 1 roundManchester: €36.9m. 8 roundsBristol: €26.5m. 6 roundsLondon€871m 94 roundsCambridge€664m 12 roundsWakefield€118m 1 roundCranfield€106m 2 roundsCambridgeshire€74.9m 1 roundLincolnshire€68.9m 2 roundsOxford€65.8m 6 roundsCornwall€62.2m 1 roundManchester€36.9m 8 roundsBristol€26.5m 6 rounds
Show the data as a table
LabelValue (€m)Note
London€871m94 rounds
Cambridge€664m12 rounds
Wakefield€118m1 round
Cranfield€106m2 rounds
Cambridgeshire€74.9m1 round
Lincolnshire€68.9m2 rounds
Oxford€65.8m6 rounds
Cornwall€62.2m1 round
Manchester€36.9m8 rounds
Bristol€26.5m6 rounds

Dig deeper

Filter Cleantech rounds by year, stage, size and investor, see them on the map and download the data.

Open in the interactive explorer

Latest 100 rounds

Newest first; all 180 are in the explorer and the CSV.

UK Cleantech startup funding: latest rounds
DateCompanyCityStageAmount
15 Oct 2026HydRegenOxfordSeries A€7.1m
8 Oct 2026Neela BiotechCambridgePre-Seed€2.5m
5 Oct 2026ReclinkerCardiffSeries A€11.8m
24 Sep 2026AdaptavateBristolOther / undisclosed€4.7m
15 Sep 2026IsometricLondonSeries A€8.7m
2 Sep 2026Ki 13LondonSeed€4.3m
14 Aug 2026LORILLIONCoventryOther / undisclosedUndisclosed
13 Aug 2026Metal MorphLondonPre-Seed€819k
10 Aug 2026Watercycle TechnologiesManchesterGrant€3.5m
23 Jul 2026moa Technology LimitedOxfordSeries C€26m
20 Jul 2026CuspAICambridgeSeries B€394m
14 Jul 2026StratXLondonOther / undisclosed€1m
22 Jun 2026IsometricLondonSeries A€34.9m
2 Jun 2026Atana ElementsLondonSeed€23.6m
1 Jun 2026Circular11DorsetOther / undisclosed€2.7m
27 May 2026MykorLondonOther / undisclosed€4.6m
18 May 2026GreenpixieLondonSeed€5.4m
6 May 2026NyoboltCambridgeOther / undisclosed€51m
5 May 2026BarocalCambridgeSeed€8.6m
23 Apr 2026NaturbeadsBathOther / undisclosed€4.1m
22 Apr 2026Exergy3EdinburghSeed€11.5m
10 Apr 2026AltiliumLondonOther / undisclosed€21.2m
25 Mar 2026Epoch Biodesign—Other / undisclosed€10.4m
24 Mar 2026ZeveroLondonOther / undisclosed€6m
19 Mar 2026Cocoon CarbonLondonSeries A€13m
5 Mar 2026ShellworksLondonSeries A€12.9m
6 Feb 2026Uplift360BristolSeed€7.4m
13 Jan 2026VernaLondonOther / undisclosed€3.4m
5 Dec 2025OceanSaverLondonOther / undisclosed€2.2m
5 Nov 2025H2Origin RefillsManchesterOther / undisclosedUndisclosed
1 Nov 2025Utonomy—Seed€1.1m
31 Oct 2025PACTCambridgeSeries A€17.3m
30 Oct 2025SAGESLondonOther / undisclosed€216k
24 Oct 2025MondraLondonSeries A€11.5m
24 Oct 2025ImmaterialCambridgeSeries A€15.4m
22 Oct 2025HotGreen SolutionsLondonPre-Seed€1.4m
22 Oct 2025Milvus AdvancedOxfordSeed€6m
27 Aug 2025WypeLondonOther / undisclosed€1.2m
8 Aug 2025WatergateLondonOther / undisclosed€848k
7 Aug 2025WATRHethelGrowth/LateUndisclosed
6 Aug 2025CuspAICambridgeOther / undisclosed€86.2m
17 Jun 2025PavegenLondonOther / undisclosedUndisclosed
10 Jun 2025Impact RecyclingFalkirkOther / undisclosed€3.8m
29 Apr 2025Arda BiomaterialsLondonOther / undisclosed€4.6m
23 Apr 2025AdaptavateBristolSeed€3.1m
16 Apr 2025NyoboltCambridgeOther / undisclosed€26.4m
8 Apr 2025NuadaBelfastOther / undisclosed€2.5m
3 Apr 2025Grid EdgeBirminghamOther / undisclosed€3.3m
11 Mar 2025SupercriticalLondonSeries A€16.6m
5 Mar 2025Epoch Biodesign—Series A€17.1m
25 Feb 2025LeafrLondonOther / undisclosed€724k
20 Feb 2025PulpexCambridgeshireSeries D+€74.9m
10 Feb 2025Air Aware LabsLondonPre-SeedUndisclosed
29 Jan 2025Insight TerraLondonSeries A€5.5m
20 Jan 2025Aegis EnergyWakefieldOther / undisclosed€118m
16 Jan 2025OrigenLondonSeries A€12.7m
16 Jan 2025BeZeroLondonSeries C€31.2m
9 Jan 2025AltiliumLondonOther / undisclosed€4.8m
12 Dec 2024BpacksLondonSeed€1m
10 Dec 2024Uplift360BristolPre-Seed€1m
5 Dec 2024Oxford FlowOxfordSeries C€23.7m
29 Nov 2024Watercycle TechnologiesManchesterSeries A€5.3m
28 Nov 2024VolterLondonPre-Seed€3m
27 Nov 2024Barton BlakeleyHarpendenOther / undisclosed€2.9m
14 Nov 2024NaturbeadsBathSeries A€9.4m
6 Nov 2024ArtioLondonOther / undisclosed€661k
14 Oct 2024CirculandLondonPre-Seed€750k
14 Oct 2024ConcreteneSalisburyOther / undisclosed€3.5m
3 Oct 2024FIDOOxfordSeries BUndisclosed
1 Oct 2024NotplaLondonSeries A€24m
26 Sep 2024PACTCambridgeSeed€10.8m
25 Sep 2024Evoralis—Seed€3m
17 Sep 2024ZeveroLondonSeed€6.3m
10 Sep 2024PuraffinityLondonOther / undisclosed€8m
2 Sep 2024SignolLondonOther / undisclosed€3m
27 Aug 2024SunswapLondonOther / undisclosed€20m
20 Aug 2024PicloLondonOther / undisclosedUndisclosed
14 Aug 2024DRIFT EnergyBathOther / undisclosed€5.8m
26 Jul 2024RenewablLondonSeedUndisclosed
25 Jul 2024The Sustainability GroupLondonOther / undisclosed€3.2m
25 Jul 2024FuturePlusLondonSeed€3.2m
10 Jul 2024SwitcheeLondonOther / undisclosed€5.9m
4 Jul 2024NatcapLondonSeries A€9.2m
18 Jun 2024CuspAICambridgeSeed€28m
17 Jun 2024Spotless WaterBasingstokeOther / undisclosed€4.3m
13 Jun 2024RendescoCheltenhamOther / undisclosed€7.1m
12 Jun 2024MiricoChiltonOther / undisclosed€1.9m
4 Jun 2024AeropowderLondonOther / undisclosed€176k
3 Jun 2024Unibloom WorldLondonPre-Seed€763k
29 May 2024Hubl LogisticsNottinghamshireOther / undisclosed€3m
21 May 2024CirctecLondonOther / undisclosed€150m
16 May 2024EslandoLondonPre-Seed€140k
16 May 2024Carbon CellLondonPre-Seed€140k
16 May 2024ULEMCoLiverpoolOther / undisclosed€5.8m
16 May 2024RemyLondonPre-Seed€140k
16 May 2024Anzen Climate Wall—Pre-Seed€140k
16 May 2024FermtechLondonPre-Seed€140k
1 May 2024NuskuBristolOther / undisclosed€1.2m
23 Apr 2024SortedLondonSeed€1.9m
10 Apr 2024Clyde HydrogenGlasgowPre-Seed€1.2m

More UK funding data

Data as of , updated daily at midnight UK timeData: Tech.eu Funding Explorer

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