Sector portfolio · Private equity · United Kingdom
Business Growth Fund's Energy portfolio
Business Growth Fund has backed 11 Energy startups in rounds we track, $912M between them, shown by the stage each has reached. The best-funded is 3sun.
Business Growth Fund's whole portfolioBusiness Growth Fund's profile
Funding by segment
- Stage not reported$837M7
- Series A$54M2
- Growth$21M2
Where they are based
- United Kingdom8$277M
- Italy1$608M
- Canada1$14M
- Ireland1$13M
United Kingdom
Italy
Canada
IrelandFounded
Total raised
- Under $1M0
- $1M to $10M3
- $10M to $50M5
- $50M to $250M2
- $250M to $1B1
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
11 of 11 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United Kingdom8
- Italy1
- Canada1
- Ireland1
Startups by country, 4 countries in all.
Segment by segment
Stage not reported
7 startups · $837M raised
3Sun3Sun is an energy management company that specializes in designing photovoltaic solutions for large-scale industries and roof application.Italy$608M
SunswapSunswap is a British manufacturer specializing in fully electric, battery and solar-powered transport refrigeration units.United Kingdom$106M
Echion TechnologiesEchion Technologies is a leading battery technology company based in Cambridge, UK.United Kingdom$84M
Cold Bore TechnologyCold Bore Technology is a privately held company based in Calgary, Alberta, specializing in well completions automation, data manaCanada$14M
STATS GroupSTATS Group is an engineering company and service provider operating in the arena of piping and pipeline integrity and maintenance.United Kingdom$12M
Spex GroupSPEX Group is an oil and gas technology company based in Aberdeen, UK, founded in 2009.United Kingdom$7.6M
Cheesecake EnergyCheesecake Energy is developing advanced thermal and compressed air energy systems to store energy.United Kingdom$5.2M
Series A
2 startups · $54M raised
GaussionGaussion is a London-based technology company that specializes in MagLiBTM, an innovative magnetic lithium-ion battery charging technology.United Kingdom$43M
ACELERONACELERON is a UK-based clean technology company founded in 2016, focused on designing and manufacturing advanced lithium-ion batteUnited Kingdom$11M
Growth
2 startups · $21M raised
Revive ActiveRevive Active is Ireland's leading health food supplement brand, established in 2011 and headquartered in Galway.Ireland$13M
M-Flow TechnologiesM-Flow Technologies aims to be the go-to provider of Multiphase metering and monitoring for the new era in upstream oil and gas production.United Kingdom$7.7M
How this map is made. Every startup here works in Energy and has raised money in a round we track that names Business Growth Fund as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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