High-Growth Sector
Clean & Green Technology
A market overview of active UK companies in Clean & Green Technology. Figures exclude dormant and dissolved companies. Data refreshed 30 Apr 2026.
Active companies
9,544
trading & on register
Reporting turnover
1,572
16% of active
Reporting employees
8,079
85% of active
Register health
10%
of 10,893 on register are dormant
Company size (employees)
Active companies reporting employee counts
Turnover distribution
Active companies reporting turnover
Where they're based
Active companies by major UK city (30km London, 15–20km elsewhere)
New formations by year
Active companies incorporated under this category (dormant shells excluded)
Largest by turnover
| # | Company | Turnover | EBITDA | Employees | 3y growth |
|---|---|---|---|---|---|
| 1 | BP P.L.C. | £189.3B | £34.5B | - | -2% |
| 2 | RENEW ENERGY GLOBAL PLC | £103.9B | £79.4B | - | - |
| 3 | RWE SUPPLY & TRADING GMBH | £54.3B | - | 1,686 | 72% |
| 4 | EDF ENERGY HOLDINGS LIMITED | £14.8B | £2.3B | 12,276 | 19% |
| 5 | EDF ENERGY CUSTOMERS LIMITED | £13.7B | £473.0M | 3,708 | 20% |
| 6 | JOHNSON MATTHEY PLC | £11.7B | £572.0M | 2,717 | -10% |
| 7 | EDF ENERGY LIMITED | £10.6B | £508.0M | 819 | 20% |
| 8 | VALERO ENERGY LTD | £10.3B | £208.4M | 635 | 7% |
| 9 | SSE PLC | £10.2B | £2.7B | 15,824 | 5% |
| 10 | SHELL U.K. LIMITED | £8.3B | £1.0B | 1,733 | 18% |
| 11 | E.ON NEXT ENERGY LIMITED | £7.9B | £211.0M | 3,852 | 43% |
| 12 | ESSAR OIL (UK) LIMITED | £7.9B | £2.3M | 1,216 | 28% |
| 13 | METLEN ENERGY & METALS SINGLE MEMBER S.A. UK BRANCH | £5.6B | £709.9M | 3,216 | - |
| 14 | ENERGY TRANSITION HOLDINGS LTD | £5.5B | - | 5,059 | - |
| 15 | ENERGY TRANSITION GROUP LTD | £5.5B | £3.0M | 5,059 | - |
| 16 | OVO GROUP LTD | £5.5B | £56.0M | 5,099 | 7% |
| 17 | OVO ENERGY LTD | £5.5B | £9.0M | 4,138 | 78% |
| 18 | DRAX GROUP PLC | £5.4B | £873.4M | - | -11% |
| 19 | DRAX POWER LIMITED | £5.0B | £849.9M | 653 | 2% |
| 20 | TOTALENERGIES GAS & POWER LIMITED | £4.8B | £1.6B | 795 | 8% |
Fastest-growing
Active companies with turnover ≥ £1m, sorted by 3-year turnover CAGR
| # | Company | Turnover | Employees | 3y turnover growth |
|---|---|---|---|---|
| 1 | ISSA FOUNDATION | £9.9M | 23 | 874% |
| 2 | AREERA LTD | £5.2M | 96 | 771% |
| 3 | RATIO EV LIMITED | £1.6M | 14 | 465% |
| 4 | BGI TRADING LIMITED | £15.6M | - | 389% |
| 5 | THE DEGREES INITIATIVE | £2.6M | 7 | 375% |
| 6 | EARLS GATE ENERGY CENTRE LIMITED | £33.9M | - | 338% |
| 7 | EGEC HOLDINGS LIMITED | £33.9M | - | 338% |
| 8 | SULNOX LIMITED | £1.1M | 1 | 272% |
| 9 | SONNEDIX UK HOLDINGS LIMITED | £2.5M | 5 | 266% |
| 10 | KEADBY GENERATION LIMITED | £542.8M | 50 | 253% |
| 11 | SULNOX GROUP PLC | £1.1M | 9 | 221% |
| 12 | MORRISON INFRASTRUCTURE (UK) LIMITED | £24.8M | 32 | 210% |
| 13 | ONPATH ENERGY LIMITED | £95.7M | 67 | 189% |
| 14 | FASTNED UK LIMITED | £4.9M | 26 | 180% |
| 15 | SOUTH COAST RENEWABLE ENERGY LTD | £1.2M | 3 | 147% |
| 16 | TRINA STORAGE (UK) LTD | £139.9M | 17 | 144% |
| 17 | REVENTUS POWER LIMITED | £4.8M | 46 | 143% |
| 18 | VTTI MLP SERVICES LTD | £7.4M | 19 | 143% |
| 19 | CNG EUROCENTRAL LIMITED | £1.4M | - | 141% |
| 20 | MER CHARGING UK LIMITED | £4.1M | 36 | 138% |
Newest formations
Most recently incorporated active companies
| # | Company | Location | Incorporated |
|---|---|---|---|
| 1 | ITERO TECHNOLOGIES HOLDINGS LIMITED | London | 2026 |
| 2 | WATERTITE PRODUCTS UK LIMITED | Sutton Coldfield | 2026 |
| 3 | BRB;I LIMITED | London | 2025 |
| 4 | CELTIC SEA OFFSHORE WIND FARM LIMITED | London | 2025 |
| 5 | FRONTIER POWER ENERGY HOLDINGS LIMITED | London | 2025 |
| 6 | REDWOOD GREEN ENERGY LIMITED | Bromley | 2025 |
| 7 | THE WARMER GROUP (HOLDINGS) LTD | Wimborne | 2025 |
| 8 | OAKTREE POWER ENERGY GROUP LIMITED | London | 2025 |
| 9 | ROCKSCAPE HOLDINGS LIMITED | Aberdeen | 2025 |
| 10 | STREAM BIOENERGY UK FINCO LIMITED | London | 2025 |
| 11 | ABSOLUTE SOLAR HOLDINGS LIMITED | Loughborough | 2025 |
| 12 | LOW CARBON HOLDCO LIMITED | London | 2025 |
| 13 | CLIMATE INVESTMENT (ANYBOTICS) LTD | London | 2025 |
| 14 | GWE BIOGAS NEWCO 2 LTD | Towcester | 2025 |
| 15 | OGCI LIMITED | London | 2025 |
| 16 | CLIMATE INVESTMENT (ENERGY ROBOTICS) LTD | London | 2025 |
| 17 | PROTOS CCS HOLDCO 2 LIMITED | London | 2025 |
| 18 | PROTOS CCS HOLDCO 1 LIMITED | London | 2025 |
| 19 | ELEMENTS GREEN NEW PARENT LTD | London | 2025 |
| 20 | PB CONTROLS LTD | Dartford | 2025 |